Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java @ 2066:2b6a0de47379

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Improved the WaterlevelExporter: added range check for W/Q at gauge. flys-artifacts/trunk@3561 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 02 Jan 2012 10:59:42 +0000
parents 1ae17b100973
children fd95bfbb2ec2
rev   line source
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7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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1 /* ===========================================================
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2 * JFreeChart : a free chart library for the Java(tm) platform
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3 * ===========================================================
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4 *
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5 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
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6 *
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7 * Project Info: http://www.jfree.org/jfreechart/index.html
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8 *
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9 * This library is free software; you can redistribute it and/or modify it
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10 * under the terms of the GNU Lesser General Public License as published by
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11 * the Free Software Foundation; either version 2.1 of the License, or
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12 * (at your option) any later version.
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13 *
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14 * This library is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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17 * License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this library; if not, write to the Free Software
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21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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22 * USA.
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23 *
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24 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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25 * in the United States and other countries.]
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26 *
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27 * -------------------------
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28 * StableXYDifferenceRenderer.java
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29 * -------------------------
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30 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
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31 *
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32 * Original Author: David Gilbert (for Object Refinery Limited);
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33 * Contributor(s): Richard West, Advanced Micro Devices, Inc. (major rewrite
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34 * of difference drawing algorithm);
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35 *
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36 * Changes:
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37 * --------
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38 * 30-Apr-2003 : Version 1 (DG);
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39 * 30-Jul-2003 : Modified entity constructor (CZ);
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40 * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);
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41 * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);
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42 * 09-Feb-2004 : Updated to support horizontal plot orientation (DG);
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43 * 10-Feb-2004 : Added default constructor, setter methods and updated
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44 * Javadocs (DG);
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45 * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);
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46 * 30-Mar-2004 : Fixed bug in getNegativePaint() method (DG);
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47 * 15-Jul-2004 : Switched getX() with getXValue() and getY() with
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48 * getYValue() (DG);
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49 * 25-Aug-2004 : Fixed a bug preventing the use of crosshairs (DG);
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50 * 11-Nov-2004 : Now uses ShapeUtilities to translate shapes (DG);
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51 * 19-Jan-2005 : Now accesses only primitive values from dataset (DG);
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52 * 22-Feb-2005 : Override getLegendItem(int, int) to return "line" items (DG);
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53 * 13-Apr-2005 : Fixed shape positioning bug (id = 1182062) (DG);
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54 * 20-Apr-2005 : Use generators for legend tooltips and URLs (DG);
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55 * 04-May-2005 : Override equals() method, renamed get/setPlotShapes() -->
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56 * get/setShapesVisible (DG);
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57 * 09-Jun-2005 : Updated equals() to handle GradientPaint (DG);
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58 * 16-Jun-2005 : Fix bug (1221021) affecting stroke used for each series (DG);
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59 * ------------- JFREECHART 1.0.x ---------------------------------------------
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60 * 24-Jan-2007 : Added flag to allow rounding of x-coordinates, and fixed
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61 * bug in clone() (DG);
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62 * 05-Feb-2007 : Added an extra call to updateCrosshairValues() in
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63 * drawItemPass1(), to fix bug 1564967 (DG);
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64 * 06-Feb-2007 : Fixed bug 1086307, crosshairs with multiple axes (DG);
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65 * 08-Mar-2007 : Fixed entity generation (DG);
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66 * 20-Apr-2007 : Updated getLegendItem() for renderer change (DG);
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67 * 23-Apr-2007 : Rewrite of difference drawing algorithm to allow use of
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68 * series with disjoint x-values (RW);
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69 * 04-May-2007 : Set processVisibleItemsOnly flag to false (DG);
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70 * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);
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71 * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);
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72 * 05-Nov-2007 : Draw item labels if visible (RW);
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73 * 17-Jun-2008 : Apply legend shape, font and paint attributes (DG);
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74 */
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75 /*
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76 * For further changes within the FLYS project, refer to the ChangeLog.
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77 */
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78 package de.intevation.flys.jfree;
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79
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80 import java.awt.Color;
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81 import java.awt.Graphics2D;
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82 import java.awt.Paint;
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83 import java.awt.Shape;
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84 import java.awt.Stroke;
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85 import java.awt.geom.GeneralPath;
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86 import java.awt.geom.Line2D;
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87 import java.awt.geom.Rectangle2D;
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88 import java.io.IOException;
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89 import java.io.ObjectInputStream;
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90 import java.io.ObjectOutputStream;
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91 import java.util.ArrayList;
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92 import java.util.Collections;
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93 import java.util.LinkedList;
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94 import java.util.List;
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95
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96 import org.jfree.chart.LegendItem;
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97 import org.jfree.chart.axis.ValueAxis;
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98 import org.jfree.chart.entity.EntityCollection;
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99 import org.jfree.chart.entity.XYItemEntity;
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100 import org.jfree.chart.event.RendererChangeEvent;
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101 import org.jfree.chart.labels.XYToolTipGenerator;
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102 import org.jfree.chart.plot.CrosshairState;
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103 import org.jfree.chart.plot.PlotOrientation;
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104 import org.jfree.chart.plot.PlotRenderingInfo;
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105 import org.jfree.chart.plot.XYPlot;
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106 import org.jfree.chart.urls.XYURLGenerator;
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107 import org.jfree.data.xy.XYDataset;
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108 import org.jfree.data.xy.DefaultXYDataset;
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109 import org.jfree.io.SerialUtilities;
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110 import org.jfree.ui.RectangleEdge;
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111 import org.jfree.util.PaintUtilities;
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112 import org.jfree.util.PublicCloneable;
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113 import org.jfree.util.ShapeUtilities;
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114
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115 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
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116 import org.jfree.chart.renderer.xy.XYItemRenderer;
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117 import org.jfree.chart.renderer.xy.XYItemRendererState;
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118
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119 import gnu.trove.TDoubleArrayList;
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120
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121 import de.intevation.flys.artifacts.math.Linear;
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122
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123 /**
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124 * A renderer for an {@link XYPlot} that highlights the differences between two
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125 * series. The example shown here is generated by the
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126 * <code>DifferenceChartDemo1.java</code> program included in the JFreeChart
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127 * demo collection:
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128 * <br><br>
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129 * <img src="../../../../../images/StableXYDifferenceRendererSample.png"
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130 * alt="StableXYDifferenceRendererSample.png" />
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131 */
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132 public class StableXYDifferenceRenderer extends AbstractXYItemRenderer
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133 implements XYItemRenderer, PublicCloneable {
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134
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135 /** For serialization. */
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136 private static final long serialVersionUID = -8447915602375584857L;
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137
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138 /** The paint used to highlight positive differences (y(0) > y(1)). */
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139 private transient Paint positivePaint;
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140
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141 /** The paint used to highlight negative differences (y(0) < y(1)). */
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142 private transient Paint negativePaint;
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143
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144 /** Display shapes at each point? */
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145 private boolean shapesVisible;
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146
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147 /** The shape to display in the legend item. */
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148 private transient Shape legendShape;
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149
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150 //private XYDatasetToZeroMapper mapper;
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151
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152 /**
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153 * This flag controls whether or not the x-coordinates (in Java2D space)
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154 * are rounded to integers. When set to true, this can avoid the vertical
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155 * striping that anti-aliasing can generate. However, the rounding may not
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156 * be appropriate for output in high resolution formats (for example,
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157 * vector graphics formats such as SVG and PDF).
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158 *
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159 * @since 1.0.4
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160 */
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161 private boolean roundXCoordinates;
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162
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163 /**
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164 * Creates a new renderer with default attributes.
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165 */
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166 public StableXYDifferenceRenderer() {
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167 this(Color.green, Color.red, false /*, null */);
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168 }
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169
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170 /**
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171 * Creates a new renderer.
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172 *
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173 * @param positivePaint the highlight color for positive differences
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174 * (<code>null</code> not permitted).
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175 * @param negativePaint the highlight color for negative differences
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176 * (<code>null</code> not permitted).
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177 * @param shapes draw shapes?
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178 */
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179 public StableXYDifferenceRenderer(Paint positivePaint, Paint negativePaint,
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180 boolean shapes) {
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181 if (positivePaint == null) {
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182 throw new IllegalArgumentException(
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183 "Null 'positivePaint' argument.");
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184 }
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185 if (negativePaint == null) {
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186 throw new IllegalArgumentException(
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187 "Null 'negativePaint' argument.");
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188 }
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189 this.positivePaint = positivePaint;
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190 this.negativePaint = negativePaint;
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191 this.shapesVisible = shapes;
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192 this.legendShape = new Rectangle2D.Double(-3.0, -3.0, 10.0, 10.0);
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193 this.roundXCoordinates = false;
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194 }
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195
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196 /**
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197 * Returns the paint used to highlight positive differences.
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198 *
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199 * @return The paint (never <code>null</code>).
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200 *
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201 * @see #setPositivePaint(Paint)
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202 */
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203 public Paint getPositivePaint() {
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204 return this.positivePaint;
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205 }
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206
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207 /**
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208 * Sets the paint used to highlight positive differences and sends a
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209 * {@link RendererChangeEvent} to all registered listeners.
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210 *
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211 * @param paint the paint (<code>null</code> not permitted).
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212 *
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213 * @see #getPositivePaint()
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214 */
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215 public void setPositivePaint(Paint paint) {
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216 if (paint == null) {
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217 throw new IllegalArgumentException("Null 'paint' argument.");
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218 }
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219 this.positivePaint = paint;
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220 fireChangeEvent();
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221 }
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222
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223 /**
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224 * Returns the paint used to highlight negative differences.
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225 *
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226 * @return The paint (never <code>null</code>).
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227 *
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228 * @see #setNegativePaint(Paint)
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229 */
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230 public Paint getNegativePaint() {
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231 return this.negativePaint;
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232 }
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233
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234 /**
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235 * Sets the paint used to highlight negative differences.
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236 *
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237 * @param paint the paint (<code>null</code> not permitted).
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238 *
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239 * @see #getNegativePaint()
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240 */
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241 public void setNegativePaint(Paint paint) {
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242 if (paint == null) {
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243 throw new IllegalArgumentException("Null 'paint' argument.");
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244 }
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245 this.negativePaint = paint;
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246 notifyListeners(new RendererChangeEvent(this));
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247 }
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248
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249 /**
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250 * Returns a flag that controls whether or not shapes are drawn for each
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251 * data value.
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252 *
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253 * @return A boolean.
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254 *
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255 * @see #setShapesVisible(boolean)
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256 */
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257 public boolean getShapesVisible() {
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258 return this.shapesVisible;
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259 }
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260
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261 /**
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262 * Sets a flag that controls whether or not shapes are drawn for each
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263 * data value, and sends a {@link RendererChangeEvent} to all registered
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264 * listeners.
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265 *
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266 * @param flag the flag.
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267 *
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268 * @see #getShapesVisible()
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269 */
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270 public void setShapesVisible(boolean flag) {
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271 this.shapesVisible = flag;
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272 fireChangeEvent();
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273 }
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274
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275 /**
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276 * Returns the shape used to represent a line in the legend.
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277 *
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278 * @return The legend line (never <code>null</code>).
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279 *
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280 * @see #setLegendLine(Shape)
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281 */
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282 public Shape getLegendLine() {
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283 return this.legendShape;
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284 }
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285
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286 /**
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287 * Sets the shape used as a line in each legend item and sends a
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288 * {@link RendererChangeEvent} to all registered listeners.
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289 *
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290 * @param line the line (<code>null</code> not permitted).
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291 *
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292 * @see #getLegendLine()
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293 */
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294 public void setLegendLine(Shape line) {
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295 if (line == null) {
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296 throw new IllegalArgumentException("Null 'line' argument.");
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297 }
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298 this.legendShape = line;
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299 fireChangeEvent();
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300 }
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301
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302 /**
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303 * Returns the flag that controls whether or not the x-coordinates (in
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304 * Java2D space) are rounded to integer values.
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305 *
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306 * @return The flag.
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307 *
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308 * @since 1.0.4
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309 *
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310 * @see #setRoundXCoordinates(boolean)
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311 */
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312 public boolean getRoundXCoordinates() {
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313 return this.roundXCoordinates;
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314 }
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315
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316 /**
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317 * Sets the flag that controls whether or not the x-coordinates (in
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318 * Java2D space) are rounded to integer values, and sends a
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319 * {@link RendererChangeEvent} to all registered listeners.
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320 *
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321 * @param round the new flag value.
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322 *
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323 * @since 1.0.4
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324 *
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325 * @see #getRoundXCoordinates()
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326 */
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327 public void setRoundXCoordinates(boolean round) {
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328 this.roundXCoordinates = round;
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329 fireChangeEvent();
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330 }
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331
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332 /**
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333 * Initialises the renderer and returns a state object that should be
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334 * passed to subsequent calls to the drawItem() method. This method will
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335 * be called before the first item is rendered, giving the renderer an
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336 * opportunity to initialise any state information it wants to maintain.
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337 * The renderer can do nothing if it chooses.
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338 *
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339 * @param g2 the graphics device.
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340 * @param dataArea the area inside the axes.
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341 * @param plot the plot.
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342 * @param data the data.
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343 * @param info an optional info collection object to return data back to
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344 * the caller.
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345 *
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346 * @return A state object.
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347 */
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348 public XYItemRendererState initialise(Graphics2D g2,
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349 Rectangle2D dataArea,
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350 XYPlot plot,
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351 XYDataset data,
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352 PlotRenderingInfo info) {
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353
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354 XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
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355 info);
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356 state.setProcessVisibleItemsOnly(false);
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357 return state;
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358
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359 }
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360
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361 /**
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362 * Returns <code>2</code>, the number of passes required by the renderer.
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363 * The {@link XYPlot} will run through the dataset this number of times.
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364 *
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365 * @return The number of passes required by the renderer.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
366 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 public int getPassCount() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
368 return 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
369 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
370
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
371 private static final void addSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
372 DefaultXYDataset ds,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
373 Comparable key,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
374 TDoubleArrayList xs,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
375 TDoubleArrayList ys
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
376 ) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
377 ds.addSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
378 key,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
379 new double [][] {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
380 xs.toNativeArray(),
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
381 ys.toNativeArray()
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
382 });
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
383 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
384
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
385 protected static List<XYDataset> splitByNaNsOneSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
386 XYDataset dataset
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
387 ) {
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
388 List<XYDataset> datasets = new ArrayList<XYDataset>();
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
389
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
390 int N = dataset.getItemCount(0);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
391 TDoubleArrayList xs = new TDoubleArrayList(N);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
392 TDoubleArrayList ys = new TDoubleArrayList(N);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
393 for (int i = 0; i < N; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
394 double x = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
395 double y = dataset.getYValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
396 if (Double.isNaN(x) || Double.isNaN(y)) {
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
397 if (!xs.isEmpty()) {
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
398 DefaultXYDataset ds = new DefaultXYDataset();
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
399 addSeries(ds, dataset.getSeriesKey(0), xs, ys);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
400 datasets.add(ds);
1885
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
401 xs.resetQuick();
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
402 ys.resetQuick();
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
403 }
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
404 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
405 else {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
406 xs.add(x);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
407 ys.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
408 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
409 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
410 if (!xs.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
411 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
412 addSeries(ds, dataset.getSeriesKey(0), xs, ys);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
413 datasets.add(ds);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
414 }
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
415
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
416 return datasets;
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
417 }
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
418
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
419 private static final boolean add(TDoubleArrayList xs, double x) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
420 int N = xs.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
421 if (N == 0 || xs.getQuick(N-1) < x) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
422 xs.add(x);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
423 return true;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
424 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
425 System.err.println("pushed smaller");
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
426 return false;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
427 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
428
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
429 protected static List<XYDataset> splitByNaNsTwoSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
430 XYDataset dataset
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
431 ) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
432 List<XYDataset> datasets = new ArrayList<XYDataset>();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
433
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
434 int N = dataset.getItemCount(0);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
435 int M = dataset.getItemCount(1);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
436
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
437 int i = 0, j = 0;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
438 // ignore leading NaNs
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
439 for (; i < N; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
440 double x = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
441 double y = dataset.getYValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
442 if (!Double.isNaN(x) && !Double.isNaN(y)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
443 break;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
444 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
445 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
446
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
447 for (; j < M; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
448 double x = dataset.getXValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
449 double y = dataset.getYValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
450 if (!Double.isNaN(x) && !Double.isNaN(y)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
451 break;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
452 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
453 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
454
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
455 TDoubleArrayList six = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
456 TDoubleArrayList siy = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
457 TDoubleArrayList sjx = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
458 TDoubleArrayList sjy = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
459
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
460 while (i < N && j < M) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
461 int ni = i+1;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
462 for (; ni < N && !Double.isNaN(dataset.getXValue(0, ni)); ++ni);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
463 for (; ni < N && Double.isNaN(dataset.getXValue(0, ni)); ++ni);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
464
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
465 int nj = j+1;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
466 for (; nj < M && !Double.isNaN(dataset.getXValue(1, nj)); ++nj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
467 for (; nj < M && Double.isNaN(dataset.getXValue(1, nj)); ++nj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
468
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
469 if (ni == N && nj == M) { // no more splits
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
470 System.err.println("no more splits ....");
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
471 for (; i < ni; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
472 double x = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
473 double y = dataset.getYValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
474 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
475 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
476 && add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
477 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
478 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
479 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
480 for (; j < nj; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
481 double x = dataset.getXValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
482 double y = dataset.getYValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
483 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
484 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
485 && add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
486 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
487 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
488 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
489 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
490 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
491 addSeries(ds, dataset.getSeriesKey(0), six, siy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
492 addSeries(ds, dataset.getSeriesKey(1), sjx, sjy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
493 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
494 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
495 break;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
496 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
497
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
498 System.err.println("ni: " + ni + " " + N);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
499 System.err.println("nj: " + nj + " " + M);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
500
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
501 double xni = ni < N
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
502 ? dataset.getXValue(0, ni)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
503 : Double.MAX_VALUE;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
504
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
505 double xnj = nj < M
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
506 ? dataset.getXValue(1, nj)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
507 : Double.MAX_VALUE;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
508
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
509 double xns = Math.min(xni, xnj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
510
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
511 double pushxi = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
512 double pushyi = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
513 double pushxj = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
514 double pushyj = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
515
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
516 for (; i < ni; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
517 double x = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
518 double y = dataset.getYValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
519 if (Double.isNaN(x) || Double.isNaN(y)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
520 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
521 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
522 if (x < xns) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
523 if (add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
524 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
525 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
526 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
527 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
528 if (x == xns) { // exact match
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
529 if (add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
530 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
531 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
532 pushxi = x; pushyi = y;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
533 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
534 else { // x > xns: intersection
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
535 System.err.println("xns: " + xns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
536 System.err.println("x/y: " + x + " / " + y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
537 int SIX = six.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
538 if (SIX > 0) { // should always be true
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
539 double yns = Linear.linear(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
540 xns,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
541 six.getQuick(SIX-1), x,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
542 siy.getQuick(SIX-1), y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
543 System.err.println("intersection at: " + yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
544 if (add(six, xns)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
545 siy.add(yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
546 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
547 pushxi = xns;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
548 pushyi = yns;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
549 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
550 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
551 break; // Split point reached.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
552 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
553
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
554 for (; j < nj; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
555 double x = dataset.getXValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
556 double y = dataset.getYValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
557 if (Double.isNaN(x) || Double.isNaN(y)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
558 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
559 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
560 if (x < xns) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
561 if (add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
562 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
563 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
564 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
565 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
566 if (x == xns) { // exact match
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
567 if (add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
568 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
569 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
570 pushxj = x; pushyj = y;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
571 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
572 else { // x > xns: intersection
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
573 int SJX = sjx.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
574 if (SJX > 0) { // should always be true
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
575 double yns = Linear.linear(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
576 xns,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
577 sjx.getQuick(SJX-1), x,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
578 sjy.getQuick(SJX-1), y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
579 System.err.println("intersection at: " + yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
580 if (add(sjx, xns)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
581 sjy.add(yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
582 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
583 pushxj = xns; pushyj = yns;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
584 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
585 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
586 break; // Split point reached.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
587 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
588
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
589 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
590 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
591 addSeries(ds, dataset.getSeriesKey(0), six, siy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
592 addSeries(ds, dataset.getSeriesKey(1), sjx, sjy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
593 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
594 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
595
1885
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
596 six.resetQuick(); siy.resetQuick();
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
597 sjx.resetQuick(); sjy.resetQuick();
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
598
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
599 // Push split points.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
600 if (!Double.isNaN(pushxi)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
601 six.add(pushxi);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
602 siy.add(pushyi);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
603 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
604
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
605 if (!Double.isNaN(pushxj)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
606 sjx.add(pushxj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
607 sjy.add(pushyj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
608 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
609 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
610
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
611 // Copy the rest.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
612 for (; i < N; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
613 double x = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
614 double y = dataset.getXValue(0, i);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
615 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
616 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
617 && add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
618 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
619 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
620 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
621
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
622 for (; j < M; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
623 double x = dataset.getXValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
624 double y = dataset.getXValue(1, j);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
625 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
626 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
627 && add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
628 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
629 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
630 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
631
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
632 // Build final dataset.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
633 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
634 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
635 addSeries(ds, dataset.getSeriesKey(0), six, siy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
636 addSeries(ds, dataset.getSeriesKey(1), sjx, sjy);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
637 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
638 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
639
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
640 System.err.println("datasets after split: " + datasets.size());
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
641
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
642 return datasets;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
643 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
644
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
645 public static List<XYDataset> splitByNaNs(XYDataset dataset) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
646
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
647 switch (dataset.getSeriesCount()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
648 case 0:
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
649 return Collections.emptyList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
650 case 1:
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
651 return splitByNaNsOneSeries(dataset);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
652 default: // two or more
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
653 return splitByNaNsTwoSeries(dataset);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
654 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
655 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
656
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
657 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
658 * Draws the visual representation of a single data item.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
659 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
660 * @param g2 the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
661 * @param state the renderer state.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
662 * @param dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
663 * @param info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
664 * @param plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
665 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
666 * @param domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
667 * @param rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
668 * @param dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
669 * @param series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
670 * @param item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
671 * @param crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
672 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
673 * @param pass the pass index.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
674 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
675 public void drawItem(Graphics2D g2,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
676 XYItemRendererState state,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
677 Rectangle2D dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
678 PlotRenderingInfo info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
679 XYPlot plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
680 ValueAxis domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
681 ValueAxis rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
682 XYDataset dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
683 int series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
684 int item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
685 CrosshairState crosshairState,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
686 int pass) {
1881
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
687 switch (pass) {
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
688 case 0:
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
689 for (XYDataset ds: splitByNaNs(dataset)) {
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
690 drawItemPass0(g2, dataArea, info,
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
691 plot, domainAxis, rangeAxis,
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
692 ds, series, item, crosshairState);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
693 }
1881
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
694 break;
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
695 case 1:
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
696 drawItemPass1(g2, dataArea, info,
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
697 plot, domainAxis, rangeAxis,
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
698 dataset, series, item, crosshairState);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
699 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
700 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
701
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
702 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
703 * Draws the visual representation of a single data item, first pass.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
704 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
705 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
706 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
707 * @param x_info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
708 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
709 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
710 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
711 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
712 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
713 * @param x_series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
714 * @param x_item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
715 * @param x_crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
716 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
717 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
718 protected void drawItemPass0(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
719 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
720 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
721 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
722 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
723 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
724 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
725 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
726 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
727 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
728
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
729 if (!((0 == x_series) && (0 == x_item))) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
730 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
731 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
732
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
733 boolean b_impliedZeroSubtrahend = (1 == x_dataset.getSeriesCount());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
734
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
735 // check if either series is a degenerate case (i.e. less than 2 points)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
736 if (isEitherSeriesDegenerate(x_dataset, b_impliedZeroSubtrahend)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
737 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
738 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
739
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
740 // check if series are disjoint (i.e. domain-spans do not overlap)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
741 if (!b_impliedZeroSubtrahend && areSeriesDisjoint(x_dataset)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
742 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
743 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
744
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
745 // polygon definitions
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
746 LinkedList l_minuendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
747 LinkedList l_minuendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
748 LinkedList l_subtrahendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
749 LinkedList l_subtrahendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
750 LinkedList l_polygonXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
751 LinkedList l_polygonYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
752
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
753 // state
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
754 int l_minuendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
755 int l_minuendItemCount = x_dataset.getItemCount(0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
756 Double l_minuendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
757 Double l_minuendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
758 Double l_minuendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
759 Double l_minuendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
760 double l_minuendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
761 double l_minuendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
762
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
763 int l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
764 int l_subtrahendItemCount = 0; // actual value set below
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
765 Double l_subtrahendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
766 Double l_subtrahendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
767 Double l_subtrahendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
768 Double l_subtrahendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
769 double l_subtrahendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
770 double l_subtrahendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
771
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
772 // if a subtrahend is not specified, assume it is zero
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
773 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
774 l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
775 l_subtrahendItemCount = 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
776 l_subtrahendCurX = new Double(x_dataset.getXValue(0, 0));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
777 l_subtrahendNextX = new Double(x_dataset.getXValue(0,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
778 (l_minuendItemCount - 1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
779 l_subtrahendCurY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
780 l_subtrahendNextY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
781 l_subtrahendMaxY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
782 l_subtrahendMinY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
783
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
784 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
785 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
786 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
787 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
788 l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
789 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
790
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
791 boolean b_minuendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
792 boolean b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
793 boolean b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
794 boolean b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
795 boolean b_subtrahendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
796 boolean b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
797 boolean b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
798 boolean b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
799 boolean b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
800
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
801 boolean b_positive;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
802
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
803 // coordinate pairs
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
804 double l_x1 = 0.0, l_y1 = 0.0; // current minuend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
805 double l_x2 = 0.0, l_y2 = 0.0; // next minuend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
806 double l_x3 = 0.0, l_y3 = 0.0; // current subtrahend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
807 double l_x4 = 0.0, l_y4 = 0.0; // next subtrahend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
808
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
809 // fast-forward through leading tails
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
810 boolean b_fastForwardDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
811 while (!b_fastForwardDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
812 // get the x and y coordinates
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
813 l_x1 = x_dataset.getXValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
814 l_y1 = x_dataset.getYValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
815 l_x2 = x_dataset.getXValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
816 l_y2 = x_dataset.getYValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
817
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
818 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
819 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
820 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
821 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
822
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
823 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
824 l_x3 = l_subtrahendCurX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
825 l_y3 = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
826 l_x4 = l_subtrahendNextX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
827 l_y4 = l_subtrahendNextY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
828 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
829 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
830 l_x3 = x_dataset.getXValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
831 l_y3 = x_dataset.getYValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
832 l_x4 = x_dataset.getXValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
833 l_y4 = x_dataset.getYValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
834
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
835 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
836 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
837 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
838 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
839 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
840
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
841 if (l_x2 <= l_x3) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
842 // minuend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
843 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
844 b_minuendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
845 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
846 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
847
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
848 if (l_x4 <= l_x1) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
849 // subtrahend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
850 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
851 b_subtrahendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
852 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
853 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
854
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
855 // check if initial polygon needs to be clipped
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
856 if ((l_x3 < l_x1) && (l_x1 < l_x4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
857 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
858 double l_slope = (l_y4 - l_y3) / (l_x4 - l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
859 l_subtrahendCurX = l_minuendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
860 l_subtrahendCurY = new Double((l_slope * l_x1)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
861 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
862
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
863 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
864 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
865 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
866
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
867 if ((l_x1 < l_x3) && (l_x3 < l_x2)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
868 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
869 double l_slope = (l_y2 - l_y1) / (l_x2 - l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
870 l_minuendCurX = l_subtrahendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
871 l_minuendCurY = new Double((l_slope * l_x3)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
872 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
873
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
874 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
875 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
876 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
877
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
878 l_minuendMaxY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
879 l_minuendMinY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
880 l_subtrahendMaxY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
881 l_subtrahendMinY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
882
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
883 b_fastForwardDone = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
884 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
885
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
886 // start of algorithm
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
887 while (!b_minuendDone && !b_subtrahendDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
888 if (!b_minuendDone && !b_minuendFastForward && b_minuendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
889 l_x1 = x_dataset.getXValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
890 l_y1 = x_dataset.getYValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
891 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
892 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
893
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
894 if (!b_minuendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
895 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
896 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
897 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
898
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
899 l_minuendMaxY = Math.max(l_minuendMaxY, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
900 l_minuendMinY = Math.min(l_minuendMinY, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
901
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
902 l_x2 = x_dataset.getXValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
903 l_y2 = x_dataset.getYValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
904 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
905 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
906 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
907
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
908 // never updated the subtrahend if it is implied to be zero
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
909 if (!b_impliedZeroSubtrahend && !b_subtrahendDone
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
910 && !b_subtrahendFastForward && b_subtrahendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
911 l_x3 = x_dataset.getXValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
912 l_y3 = x_dataset.getYValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
913 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
914 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
915
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
916 if (!b_subtrahendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
917 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
918 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
919 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
920
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
921 l_subtrahendMaxY = Math.max(l_subtrahendMaxY, l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
922 l_subtrahendMinY = Math.min(l_subtrahendMinY, l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
923
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
924 l_x4 = x_dataset.getXValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
925 l_y4 = x_dataset.getYValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
926 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
927 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
928 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
929
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
930 // deassert b_*FastForward (only matters for 1st time through loop)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
931 b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
932 b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
933
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
934 Double l_intersectX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
935 Double l_intersectY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
936 boolean b_intersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
937
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
938 b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
939 b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
940
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
941 // check for intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
942 if ((l_x2 == l_x4) && (l_y2 == l_y4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
943 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
944 if ((l_x1 == l_x3) && (l_y1 == l_y3)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
945 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
946 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
947 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
948 // the intersect is at the next point for both the minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
949 // and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
950 l_intersectX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
951 l_intersectY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
952
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
953 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
954 b_minuendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
955 b_subtrahendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
956 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
957 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
958 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
959 // compute common denominator
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
960 double l_denominator = ((l_y4 - l_y3) * (l_x2 - l_x1))
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
961 - ((l_x4 - l_x3) * (l_y2 - l_y1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
962
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
963 // compute common deltas
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
964 double l_deltaY = l_y1 - l_y3;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
965 double l_deltaX = l_x1 - l_x3;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
966
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
967 // compute numerators
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
968 double l_numeratorA = ((l_x4 - l_x3) * l_deltaY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
969 - ((l_y4 - l_y3) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
970 double l_numeratorB = ((l_x2 - l_x1) * l_deltaY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
971 - ((l_y2 - l_y1) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
972
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
973 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
974 if ((0 == l_numeratorA) && (0 == l_numeratorB)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
975 && (0 == l_denominator)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
976 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
977 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
978 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
979 // check if previously colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
980 if (b_colinear) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
981 // clear colinear points and flag
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
982 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
983 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
984 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
985 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
986 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
987 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
988
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
989 b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
990
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
991 // set new starting point for the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
992 boolean b_useMinuend = ((l_x3 <= l_x1)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
993 && (l_x1 <= l_x4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
994 l_polygonXs.add(b_useMinuend ? l_minuendCurX
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
995 : l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
996 l_polygonYs.add(b_useMinuend ? l_minuendCurY
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
997 : l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
998 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
999
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1000 // compute slope components
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1001 double l_slopeA = l_numeratorA / l_denominator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1002 double l_slopeB = l_numeratorB / l_denominator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1003
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1004 // check if the line segments intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1005 if ((0 < l_slopeA) && (l_slopeA <= 1) && (0 < l_slopeB)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1006 && (l_slopeB <= 1)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1007 // compute the point of intersection
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1008 double l_xi = l_x1 + (l_slopeA * (l_x2 - l_x1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1009 double l_yi = l_y1 + (l_slopeA * (l_y2 - l_y1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1010
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1011 l_intersectX = new Double(l_xi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1012 l_intersectY = new Double(l_yi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1013 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1014 b_minuendAtIntersect = ((l_xi == l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1015 && (l_yi == l_y2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1016 b_subtrahendAtIntersect = ((l_xi == l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1017 && (l_yi == l_y4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1018
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1019 // advance minuend and subtrahend to intesect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1020 l_minuendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1021 l_minuendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1022 l_subtrahendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1023 l_subtrahendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1024 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1025 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1026 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1027
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1028 if (b_intersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1029 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1030 // add the minuend's points to polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1031 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1032 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1033
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1034 // add intersection point to the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1035 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1036 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1037
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1038 // add the subtrahend's points to the polygon in reverse
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1039 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1040 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1041 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1042 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1043
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1044 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1045 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1046 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1047 createPolygon(x_graphics, x_dataArea, x_plot, x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1048 x_rangeAxis, b_positive, l_polygonXs, l_polygonYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1049
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1050 // clear the point vectors
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1051 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1052 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1053 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1054 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1055 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1056 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1057
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1058 // set the maxY and minY values to intersect y-value
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1059 double l_y = l_intersectY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1060 l_minuendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1061 l_subtrahendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1062 l_minuendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1063 l_subtrahendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1064
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1065 // add interection point to new polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1066 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1067 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1068 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1069
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1070 // advance the minuend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1071 if (l_x2 <= l_x4) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1072 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1073 b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1074 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1075 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1076 b_minuendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1077 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1078
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1079 // advance the subtrahend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1080 if (l_x4 <= l_x2) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1081 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1082 b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1083 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1084 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1085 b_subtrahendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1086 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1087
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1088 b_minuendDone = (l_minuendItem == (l_minuendItemCount - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1089 b_subtrahendDone = (l_subtrahendItem == (l_subtrahendItemCount
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1090 - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1091 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1092
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1093 // check if the final polygon needs to be clipped
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1094 if (b_minuendDone && (l_x3 < l_x2) && (l_x2 < l_x4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1095 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1096 double l_slope = (l_y4 - l_y3) / (l_x4 - l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1097 l_subtrahendNextX = l_minuendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1098 l_subtrahendNextY = new Double((l_slope * l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1099 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1100 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1101
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1102 if (b_subtrahendDone && (l_x1 < l_x4) && (l_x4 < l_x2)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1103 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1104 double l_slope = (l_y2 - l_y1) / (l_x2 - l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1105 l_minuendNextX = l_subtrahendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1106 l_minuendNextY = new Double((l_slope * l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1107 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1108 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1109
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1110 // consider last point of minuend and subtrahend for determining
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1111 // positivity
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1112 l_minuendMaxY = Math.max(l_minuendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1113 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1114 l_subtrahendMaxY = Math.max(l_subtrahendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1115 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1116 l_minuendMinY = Math.min(l_minuendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1117 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1118 l_subtrahendMinY = Math.min(l_subtrahendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1119 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1120
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1121 // add the last point of the minuned and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1122 l_minuendXs.add(l_minuendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1123 l_minuendYs.add(l_minuendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1124 l_subtrahendXs.add(l_subtrahendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1125 l_subtrahendYs.add(l_subtrahendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1126
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1127 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1128 // add the minuend's points to polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1129 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1130 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1131
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1132 // add the subtrahend's points to the polygon in reverse
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1133 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1134 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1135 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1136 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1137
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1138 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1139 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1140 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1141 createPolygon(x_graphics, x_dataArea, x_plot, x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1142 x_rangeAxis, b_positive, l_polygonXs, l_polygonYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1143 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1144
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1145 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1146 * Draws the visual representation of a single data item, second pass. In
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1147 * the second pass, the renderer draws the lines and shapes for the
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1148 * individual points in the two series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1149 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1150 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1151 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1152 * @param x_info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1153 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1154 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1155 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1156 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1157 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1158 * @param x_series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1159 * @param x_item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1160 * @param x_crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1161 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1162 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1163 protected void drawItemPass1(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1164 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1165 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1166 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1167 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1168 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1169 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1170 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1171 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1172 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1173
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1174 Shape l_entityArea = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1175 EntityCollection l_entities = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1176 if (null != x_info) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1177 l_entities = x_info.getOwner().getEntityCollection();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1178 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1179
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1180 Paint l_seriesPaint = getItemPaint(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1181 Stroke l_seriesStroke = getItemStroke(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1182 x_graphics.setPaint(l_seriesPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1183 x_graphics.setStroke(l_seriesStroke);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1184
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1185 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1186 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1187 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1188
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1189 double l_x0 = x_dataset.getXValue(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1190 double l_y0 = x_dataset.getYValue(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1191 double l_x1 = x_domainAxis.valueToJava2D(l_x0, x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1192 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1193 double l_y1 = x_rangeAxis.valueToJava2D(l_y0, x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1194 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1195
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1196 if (getShapesVisible()) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1197 Shape l_shape = getItemShape(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1198 if (l_orientation == PlotOrientation.HORIZONTAL) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1199 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1200 l_y1, l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1201 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1202 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1203 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1204 l_x1, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1205 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1206 if (l_shape.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1207 x_graphics.setPaint(getItemPaint(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1208 x_graphics.fill(l_shape);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1209 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1210 l_entityArea = l_shape;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1211 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1212
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1213 // add an entity for the item...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1214 if (null != l_entities) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1215 if (null == l_entityArea) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1216 l_entityArea = new Rectangle2D.Double((l_x1 - 2), (l_y1 - 2),
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1217 4, 4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1218 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1219 String l_tip = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1220 XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1221 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1222 if (null != l_tipGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1223 l_tip = l_tipGenerator.generateToolTip(x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1224 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1225 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1226 String l_url = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1227 XYURLGenerator l_urlGenerator = getURLGenerator();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1228 if (null != l_urlGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1229 l_url = l_urlGenerator.generateURL(x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1230 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1231 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1232 XYItemEntity l_entity = new XYItemEntity(l_entityArea, x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1233 x_series, x_item, l_tip, l_url);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1234 l_entities.add(l_entity);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1235 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1236
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1237 // draw the item label if there is one...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1238 if (isItemLabelVisible(x_series, x_item)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1239 drawItemLabel(x_graphics, l_orientation, x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1240 x_item, l_x1, l_y1, (l_y1 < 0.0));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1241 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1242
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1243 int l_domainAxisIndex = x_plot.getDomainAxisIndex(x_domainAxis);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1244 int l_rangeAxisIndex = x_plot.getRangeAxisIndex(x_rangeAxis);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1245 updateCrosshairValues(x_crosshairState, l_x0, l_y0, l_domainAxisIndex,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1246 l_rangeAxisIndex, l_x1, l_y1, l_orientation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1247
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1248 if (0 == x_item) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1249 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1250 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1251
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1252 double l_x2 = x_domainAxis.valueToJava2D(x_dataset.getXValue(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1253 (x_item - 1)), x_dataArea, l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1254 double l_y2 = x_rangeAxis.valueToJava2D(x_dataset.getYValue(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1255 (x_item - 1)), x_dataArea, l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1256
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1257 Line2D l_line = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1258 if (PlotOrientation.HORIZONTAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1259 l_line = new Line2D.Double(l_y1, l_x1, l_y2, l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1260 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1261 else if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1262 l_line = new Line2D.Double(l_x1, l_y1, l_x2, l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1263 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1264
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1265 if ((null != l_line) && l_line.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1266 x_graphics.setPaint(getItemPaint(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1267 x_graphics.setStroke(getItemStroke(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1268 x_graphics.draw(l_line);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1269 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1270 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1271
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1272 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1273 * Determines if a dataset is degenerate. A degenerate dataset is a
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1274 * dataset where either series has less than two (2) points.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1275 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1276 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1277 * @param x_impliedZeroSubtrahend if false, do not check the subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1278 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1279 * @return true if the dataset is degenerate.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1280 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1281 private boolean isEitherSeriesDegenerate(XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1282 boolean x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1283
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1284 if (x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1285 return (x_dataset.getItemCount(0) < 2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1286 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1287
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1288 return ((x_dataset.getItemCount(0) < 2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1289 || (x_dataset.getItemCount(1) < 2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1290 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1291
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1292 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1293 * Determines if the two (2) series are disjoint.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1294 * Disjoint series do not overlap in the domain space.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1295 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1296 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1297 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1298 * @return true if the dataset is degenerate.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1299 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1300 private boolean areSeriesDisjoint(XYDataset x_dataset) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1301
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1302 int l_minuendItemCount = x_dataset.getItemCount(0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1303 double l_minuendFirst = x_dataset.getXValue(0, 0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1304 double l_minuendLast = x_dataset.getXValue(0, l_minuendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1305
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1306 int l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1307 double l_subtrahendFirst = x_dataset.getXValue(1, 0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1308 double l_subtrahendLast = x_dataset.getXValue(1,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1309 l_subtrahendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1310
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1311 return ((l_minuendLast < l_subtrahendFirst)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1312 || (l_subtrahendLast < l_minuendFirst));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1313 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1314
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1315 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1316 * Draws the visual representation of a polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1317 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1318 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1319 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1320 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1321 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1322 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1323 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1324 * @param x_positive indicates if the polygon is positive (true) or
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1325 * negative (false).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1326 * @param x_xValues a linked list of the x values (expects values to be
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1327 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1328 * @param x_yValues a linked list of the y values (expects values to be
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1329 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1330 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1331 private void createPolygon (Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1332 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1333 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1334 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1335 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1336 boolean x_positive,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1337 LinkedList x_xValues,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1338 LinkedList x_yValues) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1339
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1340 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1341 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1342 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1343
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1344 Object[] l_xValues = x_xValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1345 Object[] l_yValues = x_yValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1346
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1347 GeneralPath l_path = new GeneralPath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1348
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1349 if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1350 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1351 (Double) l_xValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1352 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1353 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1354 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1355 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1356
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1357 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1358 (Double) l_yValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1359 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1360
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1361 l_path.moveTo((float) l_x, (float) l_y);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1362 for (int i = 1; i < l_xValues.length; i++) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1363 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1364 (Double) l_xValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1365 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1366 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1367 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1368 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1369
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1370 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1371 (Double) l_yValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1372 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1373 l_path.lineTo((float) l_x, (float) l_y);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1374 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1375 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1376 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1377 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1378 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1379 (Double) l_xValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1380 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1381 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1382 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1383 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1384
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1385 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1386 (Double) l_yValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1387 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1388
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1389 l_path.moveTo((float) l_y, (float) l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1390 for (int i = 1; i < l_xValues.length; i++) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1391 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1392 (Double) l_xValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1393 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1394 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1395 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1396 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1397
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1398 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1399 (Double) l_yValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1400 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1401 l_path.lineTo((float) l_y, (float) l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1402 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1403 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1404 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1405
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1406 if (l_path.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1407 x_graphics.setPaint(x_positive ? getPositivePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1408 : getNegativePaint());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1409 x_graphics.fill(l_path);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1410 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1411 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1412
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1413 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1414 * Returns a default legend item for the specified series. Subclasses
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1415 * should override this method to generate customised items.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1416 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1417 * @param datasetIndex the dataset index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1418 * @param series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1419 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1420 * @return A legend item for the series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1421 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1422 public LegendItem getLegendItem(int datasetIndex, int series) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1423 LegendItem result = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1424 XYPlot p = getPlot();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1425 if (p != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1426 XYDataset dataset = p.getDataset(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1427 if (dataset != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1428 if (getItemVisible(series, 0)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1429 String label = getLegendItemLabelGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1430 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1431 String description = label;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1432 String toolTipText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1433 if (getLegendItemToolTipGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1434 toolTipText
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1435 = getLegendItemToolTipGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1436 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1437 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1438 String urlText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1439 if (getLegendItemURLGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1440 urlText = getLegendItemURLGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1441 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1442 }
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1443 // Individualized Paints:
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1444 //Paint paint = lookupSeriesPaint(series);
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1445
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1446 // "Area-Style"- Paint.
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1447 Paint paint = getPositivePaint();
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1448 Stroke stroke = lookupSeriesStroke(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1449 Shape line = getLegendLine();
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1450 // Not-filled Shape:
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1451 //result = new LegendItem(label, description,
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1452 // toolTipText, urlText, line, stroke, paint);
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1453
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1454 // Filled Shape ("Area-Style").
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1455 result = new LegendItem(label, description,
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1456 toolTipText, urlText, line, paint);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1457 result.setLabelFont(lookupLegendTextFont(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1458 Paint labelPaint = lookupLegendTextPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1459 if (labelPaint != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1460 result.setLabelPaint(labelPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1461 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1462 result.setDataset(dataset);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1463 result.setDatasetIndex(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1464 result.setSeriesKey(dataset.getSeriesKey(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1465 result.setSeriesIndex(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1466 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1467 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1468
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1469 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1470
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1471 return result;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1472 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1473
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1474 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1475 * Tests this renderer for equality with an arbitrary object.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1476 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1477 * @param obj the object (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1478 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1479 * @return A boolean.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1480 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1481 public boolean equals(Object obj) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1482 if (obj == this) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1483 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1484 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1485 if (!(obj instanceof StableXYDifferenceRenderer)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1486 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1487 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1488 if (!super.equals(obj)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1489 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1490 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1491 StableXYDifferenceRenderer that = (StableXYDifferenceRenderer) obj;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1492 if (!PaintUtilities.equal(this.positivePaint, that.positivePaint)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1493 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1494 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1495 if (!PaintUtilities.equal(this.negativePaint, that.negativePaint)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1496 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1497 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1498 if (this.shapesVisible != that.shapesVisible) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1499 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1500 }
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1501 if (!ShapeUtilities.equal(this.legendShape, that.legendShape)) {
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1502 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1503 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1504 if (this.roundXCoordinates != that.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1505 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1506 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1507 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1508 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1509
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1510 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1511 * Returns a clone of the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1512 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1513 * @return A clone.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1514 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1515 * @throws CloneNotSupportedException if the renderer cannot be cloned.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1516 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1517 public Object clone() throws CloneNotSupportedException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1518 StableXYDifferenceRenderer clone = (StableXYDifferenceRenderer) super.clone();
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1519 clone.legendShape = ShapeUtilities.clone(this.legendShape);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1520 return clone;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1521 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1522
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1523 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1524 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1525 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1526 * @param stream the output stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1527 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1528 * @throws IOException if there is an I/O error.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1529 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1530 private void writeObject(ObjectOutputStream stream) throws IOException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1531 stream.defaultWriteObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1532 SerialUtilities.writePaint(this.positivePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1533 SerialUtilities.writePaint(this.negativePaint, stream);
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1534 SerialUtilities.writeShape(this.legendShape, stream);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1535 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1536
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1537 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1538 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1539 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1540 * @param stream the input stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1541 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1542 * @throws IOException if there is an I/O error.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1543 * @throws ClassNotFoundException if there is a classpath problem.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1544 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1545 private void readObject(ObjectInputStream stream)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1546 throws IOException, ClassNotFoundException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1547 stream.defaultReadObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1548 this.positivePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1549 this.negativePaint = SerialUtilities.readPaint(stream);
2021
1ae17b100973 Let StableDifferenceRenderer create a rectangular legenditem.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1885
diff changeset
1550 this.legendShape = SerialUtilities.readShape(stream);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1551 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1552 }
http://dive4elements.wald.intevation.org