Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java @ 1958:82cefa3f954f

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Partial fix for flys/issue420 (Mosel/DischargeCurves), do survive empty datasets when calculating axis extents. flys-artifacts/trunk@3359 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 06 Dec 2011 10:26:07 +0000
parents 110dd067bb8f
children 1ae17b100973
rev   line source
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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 package de.intevation.flys.jfree;
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77
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78 import java.awt.Color;
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79 import java.awt.Graphics2D;
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80 import java.awt.Paint;
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81 import java.awt.Shape;
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82 import java.awt.Stroke;
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83 import java.awt.geom.GeneralPath;
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84 import java.awt.geom.Line2D;
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85 import java.awt.geom.Rectangle2D;
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86 import java.io.IOException;
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87 import java.io.ObjectInputStream;
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88 import java.io.ObjectOutputStream;
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89 import java.util.ArrayList;
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90 import java.util.Collections;
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91 import java.util.LinkedList;
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92 import java.util.List;
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93
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94 import org.jfree.chart.LegendItem;
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95 import org.jfree.chart.axis.ValueAxis;
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96 import org.jfree.chart.entity.EntityCollection;
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97 import org.jfree.chart.entity.XYItemEntity;
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98 import org.jfree.chart.event.RendererChangeEvent;
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99 import org.jfree.chart.labels.XYToolTipGenerator;
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100 import org.jfree.chart.plot.CrosshairState;
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101 import org.jfree.chart.plot.PlotOrientation;
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102 import org.jfree.chart.plot.PlotRenderingInfo;
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103 import org.jfree.chart.plot.XYPlot;
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104 import org.jfree.chart.urls.XYURLGenerator;
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105 import org.jfree.data.xy.XYDataset;
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106 import org.jfree.data.xy.DefaultXYDataset;
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107 import org.jfree.io.SerialUtilities;
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108 import org.jfree.ui.RectangleEdge;
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109 import org.jfree.util.PaintUtilities;
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110 import org.jfree.util.PublicCloneable;
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111 import org.jfree.util.ShapeUtilities;
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112
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113 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
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114 import org.jfree.chart.renderer.xy.XYItemRenderer;
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115 import org.jfree.chart.renderer.xy.XYItemRendererState;
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116
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117 import gnu.trove.TDoubleArrayList;
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118
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119 import de.intevation.flys.artifacts.math.Linear;
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120
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121 /**
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122 * A renderer for an {@link XYPlot} that highlights the differences between two
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123 * series. The example shown here is generated by the
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124 * <code>DifferenceChartDemo1.java</code> program included in the JFreeChart
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125 * demo collection:
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126 * <br><br>
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127 * <img src="../../../../../images/StableXYDifferenceRendererSample.png"
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128 * alt="StableXYDifferenceRendererSample.png" />
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129 */
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130 public class StableXYDifferenceRenderer extends AbstractXYItemRenderer
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131 implements XYItemRenderer, PublicCloneable {
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132
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133 /** For serialization. */
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134 private static final long serialVersionUID = -8447915602375584857L;
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135
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136 /** The paint used to highlight positive differences (y(0) > y(1)). */
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137 private transient Paint positivePaint;
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138
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139 /** The paint used to highlight negative differences (y(0) < y(1)). */
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140 private transient Paint negativePaint;
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141
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142 /** Display shapes at each point? */
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143 private boolean shapesVisible;
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144
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145 /** The shape to display in the legend item. */
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146 private transient Shape legendLine;
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147
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148 //private XYDatasetToZeroMapper mapper;
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149
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150 /**
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151 * This flag controls whether or not the x-coordinates (in Java2D space)
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152 * are rounded to integers. When set to true, this can avoid the vertical
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153 * striping that anti-aliasing can generate. However, the rounding may not
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154 * be appropriate for output in high resolution formats (for example,
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155 * vector graphics formats such as SVG and PDF).
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156 *
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157 * @since 1.0.4
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158 */
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159 private boolean roundXCoordinates;
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160
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161 /**
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162 * Creates a new renderer with default attributes.
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163 */
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164 public StableXYDifferenceRenderer() {
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165 this(Color.green, Color.red, false /*, null */);
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166 }
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167
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168 /**
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169 * Creates a new renderer.
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170 *
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171 * @param positivePaint the highlight color for positive differences
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172 * (<code>null</code> not permitted).
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173 * @param negativePaint the highlight color for negative differences
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174 * (<code>null</code> not permitted).
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175 * @param shapes draw shapes?
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176 */
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177 public StableXYDifferenceRenderer(Paint positivePaint, Paint negativePaint,
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178 boolean shapes) {
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179 if (positivePaint == null) {
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180 throw new IllegalArgumentException(
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181 "Null 'positivePaint' argument.");
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182 }
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183 if (negativePaint == null) {
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184 throw new IllegalArgumentException(
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185 "Null 'negativePaint' argument.");
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186 }
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187 this.positivePaint = positivePaint;
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188 this.negativePaint = negativePaint;
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189 this.shapesVisible = shapes;
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190 this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
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191 this.roundXCoordinates = false;
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192 }
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193
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194 /**
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195 * Returns the paint used to highlight positive differences.
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196 *
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197 * @return The paint (never <code>null</code>).
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198 *
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199 * @see #setPositivePaint(Paint)
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200 */
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201 public Paint getPositivePaint() {
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202 return this.positivePaint;
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203 }
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204
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205 /**
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206 * Sets the paint used to highlight positive differences and sends a
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207 * {@link RendererChangeEvent} to all registered listeners.
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208 *
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209 * @param paint the paint (<code>null</code> not permitted).
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210 *
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211 * @see #getPositivePaint()
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212 */
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213 public void setPositivePaint(Paint paint) {
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214 if (paint == null) {
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215 throw new IllegalArgumentException("Null 'paint' argument.");
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216 }
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217 this.positivePaint = paint;
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218 fireChangeEvent();
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219 }
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220
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221 /**
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222 * Returns the paint used to highlight negative differences.
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223 *
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224 * @return The paint (never <code>null</code>).
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225 *
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226 * @see #setNegativePaint(Paint)
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227 */
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228 public Paint getNegativePaint() {
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229 return this.negativePaint;
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230 }
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231
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232 /**
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233 * Sets the paint used to highlight negative differences.
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234 *
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235 * @param paint the paint (<code>null</code> not permitted).
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236 *
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237 * @see #getNegativePaint()
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238 */
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239 public void setNegativePaint(Paint paint) {
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240 if (paint == null) {
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241 throw new IllegalArgumentException("Null 'paint' argument.");
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242 }
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243 this.negativePaint = paint;
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244 notifyListeners(new RendererChangeEvent(this));
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245 }
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246
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247 /**
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248 * Returns a flag that controls whether or not shapes are drawn for each
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249 * data value.
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250 *
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251 * @return A boolean.
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252 *
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253 * @see #setShapesVisible(boolean)
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254 */
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255 public boolean getShapesVisible() {
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256 return this.shapesVisible;
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257 }
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258
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259 /**
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260 * Sets a flag that controls whether or not shapes are drawn for each
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261 * data value, and sends a {@link RendererChangeEvent} to all registered
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262 * listeners.
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263 *
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264 * @param flag the flag.
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265 *
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266 * @see #getShapesVisible()
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267 */
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268 public void setShapesVisible(boolean flag) {
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269 this.shapesVisible = flag;
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270 fireChangeEvent();
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271 }
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272
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273 /**
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274 * Returns the shape used to represent a line in the legend.
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275 *
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276 * @return The legend line (never <code>null</code>).
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277 *
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278 * @see #setLegendLine(Shape)
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279 */
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280 public Shape getLegendLine() {
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281 return this.legendLine;
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282 }
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283
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284 /**
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285 * Sets the shape used as a line in each legend item and sends a
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286 * {@link RendererChangeEvent} to all registered listeners.
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287 *
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288 * @param line the line (<code>null</code> not permitted).
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289 *
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290 * @see #getLegendLine()
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291 */
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292 public void setLegendLine(Shape line) {
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293 if (line == null) {
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294 throw new IllegalArgumentException("Null 'line' argument.");
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295 }
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296 this.legendLine = line;
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297 fireChangeEvent();
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298 }
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299
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300 /**
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301 * Returns the flag that controls whether or not the x-coordinates (in
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302 * Java2D space) are rounded to integer values.
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303 *
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304 * @return The flag.
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305 *
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306 * @since 1.0.4
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307 *
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308 * @see #setRoundXCoordinates(boolean)
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309 */
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310 public boolean getRoundXCoordinates() {
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311 return this.roundXCoordinates;
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312 }
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313
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314 /**
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315 * Sets the flag that controls whether or not the x-coordinates (in
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316 * Java2D space) are rounded to integer values, and sends a
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317 * {@link RendererChangeEvent} to all registered listeners.
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318 *
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319 * @param round the new flag value.
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320 *
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321 * @since 1.0.4
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322 *
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323 * @see #getRoundXCoordinates()
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324 */
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325 public void setRoundXCoordinates(boolean round) {
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326 this.roundXCoordinates = round;
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327 fireChangeEvent();
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328 }
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329
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330 /**
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331 * Initialises the renderer and returns a state object that should be
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332 * passed to subsequent calls to the drawItem() method. This method will
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333 * be called before the first item is rendered, giving the renderer an
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334 * opportunity to initialise any state information it wants to maintain.
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335 * The renderer can do nothing if it chooses.
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336 *
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337 * @param g2 the graphics device.
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338 * @param dataArea the area inside the axes.
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339 * @param plot the plot.
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340 * @param data the data.
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341 * @param info an optional info collection object to return data back to
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342 * the caller.
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343 *
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344 * @return A state object.
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345 */
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346 public XYItemRendererState initialise(Graphics2D g2,
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347 Rectangle2D dataArea,
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348 XYPlot plot,
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349 XYDataset data,
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350 PlotRenderingInfo info) {
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351
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352 XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
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353 info);
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354 state.setProcessVisibleItemsOnly(false);
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355 return state;
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356
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357 }
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358
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359 /**
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360 * Returns <code>2</code>, the number of passes required by the renderer.
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361 * The {@link XYPlot} will run through the dataset this number of times.
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362 *
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363 * @return The number of passes required by the renderer.
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364 */
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
365 public int getPassCount() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
366 return 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
368
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
369 private static final void addSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
370 DefaultXYDataset ds,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
371 Comparable key,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
372 TDoubleArrayList xs,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
373 TDoubleArrayList ys
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
374 ) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
375 ds.addSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
376 key,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
377 new double [][] {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
378 xs.toNativeArray(),
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
379 ys.toNativeArray()
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
380 });
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
381 }
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 protected static List<XYDataset> splitByNaNsOneSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
384 XYDataset dataset
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
385 ) {
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
386 List<XYDataset> datasets = new ArrayList<XYDataset>();
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
387
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
388 int N = dataset.getItemCount(0);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
389 TDoubleArrayList xs = new TDoubleArrayList(N);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
390 TDoubleArrayList ys = new TDoubleArrayList(N);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
391 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
392 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
393 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
394 if (Double.isNaN(x) || Double.isNaN(y)) {
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
395 if (!xs.isEmpty()) {
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
396 DefaultXYDataset ds = new DefaultXYDataset();
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
397 addSeries(ds, dataset.getSeriesKey(0), xs, ys);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
398 datasets.add(ds);
1885
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
399 xs.resetQuick();
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
400 ys.resetQuick();
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
401 }
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
402 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
403 else {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
404 xs.add(x);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
405 ys.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
406 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
407 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
408 if (!xs.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
409 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
410 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
411 datasets.add(ds);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
412 }
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
413
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
414 return datasets;
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
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
417 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
418 int N = xs.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
419 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
420 xs.add(x);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
421 return true;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
422 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
423 System.err.println("pushed smaller");
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
424 return false;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
425 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
426
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
427 protected static List<XYDataset> splitByNaNsTwoSeries(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
428 XYDataset dataset
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
429 ) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
430 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
431
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
432 int N = dataset.getItemCount(0);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
433 int M = dataset.getItemCount(1);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
434
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
435 int i = 0, j = 0;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
436 // ignore leading NaNs
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
437 for (; i < N; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
438 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
439 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
440 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
441 break;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
442 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
443 }
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 for (; j < M; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
446 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
447 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
448 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
449 break;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
450 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
451 }
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 TDoubleArrayList six = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
454 TDoubleArrayList siy = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
455 TDoubleArrayList sjx = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
456 TDoubleArrayList sjy = new TDoubleArrayList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
457
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
458 while (i < N && j < M) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
459 int ni = i+1;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
460 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
461 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
462
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
463 int nj = j+1;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
464 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
465 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
466
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
467 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
468 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
469 for (; i < ni; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
470 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
471 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
472 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
473 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
474 && add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
475 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
476 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
477 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
478 for (; j < nj; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
479 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
480 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
481 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
482 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
483 && add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
484 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
485 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
486 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
487 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
488 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
489 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
490 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
491 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
492 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
493 break;
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
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
496 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
497 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
498
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
499 double xni = ni < N
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
500 ? dataset.getXValue(0, ni)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
501 : Double.MAX_VALUE;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
502
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
503 double xnj = nj < M
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
504 ? dataset.getXValue(1, nj)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
505 : Double.MAX_VALUE;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
506
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
507 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
508
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
509 double pushxi = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
510 double pushyi = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
511 double pushxj = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
512 double pushyj = Double.NaN;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
513
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
514 for (; i < ni; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
515 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
516 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
517 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
518 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
519 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
520 if (x < xns) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
521 if (add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
522 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
523 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
524 continue;
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 if (x == xns) { // exact match
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
527 if (add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
528 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
529 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
530 pushxi = x; pushyi = 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 else { // x > xns: intersection
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
533 System.err.println("xns: " + xns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
534 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
535 int SIX = six.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
536 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
537 double yns = Linear.linear(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
538 xns,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
539 six.getQuick(SIX-1), x,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
540 siy.getQuick(SIX-1), y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
541 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
542 if (add(six, xns)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
543 siy.add(yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
544 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
545 pushxi = xns;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
546 pushyi = yns;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
547 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
548 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
549 break; // Split point reached.
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
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
552 for (; j < nj; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
553 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
554 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
555 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
556 continue;
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
557 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
558 if (x < xns) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
559 if (add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
560 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
561 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
562 continue;
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 if (x == xns) { // exact match
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
565 if (add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
566 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
567 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
568 pushxj = x; pushyj = 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 else { // x > xns: intersection
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
571 int SJX = sjx.size();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
572 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
573 double yns = Linear.linear(
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
574 xns,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
575 sjx.getQuick(SJX-1), x,
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
576 sjy.getQuick(SJX-1), y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
577 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
578 if (add(sjx, xns)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
579 sjy.add(yns);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
580 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
581 pushxj = xns; pushyj = 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 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
584 break; // Split point reached.
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
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
587 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
588 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
589 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
590 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
591 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
592 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
593
1885
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
594 six.resetQuick(); siy.resetQuick();
110dd067bb8f StableXYDifferenceRenderer: More efficient use of TDoubleArrayList
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1884
diff changeset
595 sjx.resetQuick(); sjy.resetQuick();
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
596
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
597 // Push split points.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
598 if (!Double.isNaN(pushxi)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
599 six.add(pushxi);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
600 siy.add(pushyi);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
601 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
602
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
603 if (!Double.isNaN(pushxj)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
604 sjx.add(pushxj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
605 sjy.add(pushyj);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
606 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
607 }
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 // Copy the rest.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
610 for (; i < N; ++i) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
611 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
612 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
613 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
614 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
615 && add(six, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
616 siy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
617 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
618 }
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 for (; j < M; ++j) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
621 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
622 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
623 if (!Double.isNaN(x)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
624 && !Double.isNaN(y)
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
625 && add(sjx, x)) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
626 sjy.add(y);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
627 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
628 }
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 // Build final dataset.
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
631 if (!six.isEmpty() && !sjx.isEmpty()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
632 DefaultXYDataset ds = new DefaultXYDataset();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
633 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
634 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
635 datasets.add(ds);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
636 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
637
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
638 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
639
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
640 return datasets;
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
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
643 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
644
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
645 switch (dataset.getSeriesCount()) {
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
646 case 0:
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
647 return Collections.emptyList();
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
648 case 1:
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
649 return splitByNaNsOneSeries(dataset);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
650 default: // two or more
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
651 return splitByNaNsTwoSeries(dataset);
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
652 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
653 }
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
654
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
655 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
656 * 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
657 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
658 * @param g2 the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
659 * @param state the renderer state.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
660 * @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
661 * @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
662 * @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
663 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
664 * @param domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
665 * @param rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
666 * @param dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
667 * @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
668 * @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
669 * @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
670 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
671 * @param pass the pass index.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
672 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
673 public void drawItem(Graphics2D g2,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
674 XYItemRendererState state,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
675 Rectangle2D dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
676 PlotRenderingInfo info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
677 XYPlot plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
678 ValueAxis domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
679 ValueAxis rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
680 XYDataset dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
681 int series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
682 int item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
683 CrosshairState crosshairState,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
684 int pass) {
1881
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
685 switch (pass) {
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
686 case 0:
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
687 for (XYDataset ds: splitByNaNs(dataset)) {
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
688 drawItemPass0(g2, dataArea, info,
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
689 plot, domainAxis, rangeAxis,
1884
4ae9c92feb8c StableXYDifferenceRenderer: Make rendering work with definition holes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1883
diff changeset
690 ds, series, item, crosshairState);
1883
eb671699fbc2 CrossSectionApp: Draw water, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1881
diff changeset
691 }
1881
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
692 break;
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
693 case 1:
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
694 drawItemPass1(g2, dataArea, info,
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
695 plot, domainAxis, rangeAxis,
0e9c0b49b4ef CrossSectionApp: draw ground with StableXYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1824
diff changeset
696 dataset, series, item, crosshairState);
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
697 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
698 }
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 * 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
702 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
703 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
704 * @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
705 * @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
706 * @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
707 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
708 * @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
709 * @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
710 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
711 * @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
712 * @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
713 * @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
714 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
715 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
716 protected void drawItemPass0(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
717 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
718 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
719 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
720 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
721 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
722 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
723 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
724 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
725 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
726
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
727 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
728 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
729 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
730
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
731 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
732
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
733 // 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
734 if (isEitherSeriesDegenerate(x_dataset, b_impliedZeroSubtrahend)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
735 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
736 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
737
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
738 // 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
739 if (!b_impliedZeroSubtrahend && areSeriesDisjoint(x_dataset)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
740 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
741 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
742
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
743 // polygon definitions
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
744 LinkedList l_minuendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
745 LinkedList l_minuendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
746 LinkedList l_subtrahendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
747 LinkedList l_subtrahendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
748 LinkedList l_polygonXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
749 LinkedList l_polygonYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
750
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
751 // state
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
752 int l_minuendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
753 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
754 Double l_minuendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
755 Double l_minuendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
756 Double l_minuendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
757 Double l_minuendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
758 double l_minuendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
759 double l_minuendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
760
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
761 int l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
762 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
763 Double l_subtrahendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
764 Double l_subtrahendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
765 Double l_subtrahendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
766 Double l_subtrahendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
767 double l_subtrahendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
768 double l_subtrahendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
769
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
770 // 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
771 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
772 l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
773 l_subtrahendItemCount = 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
774 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
775 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
776 (l_minuendItemCount - 1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
777 l_subtrahendCurY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
778 l_subtrahendNextY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
779 l_subtrahendMaxY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
780 l_subtrahendMinY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
781
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
782 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
783 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
784 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
785 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
786 l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
787 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
788
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
789 boolean b_minuendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
790 boolean b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
791 boolean b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
792 boolean b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
793 boolean b_subtrahendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
794 boolean b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
795 boolean b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
796 boolean b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
797 boolean b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
798
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
799 boolean b_positive;
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 // coordinate pairs
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
802 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
803 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
804 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
805 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
806
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
807 // fast-forward through leading tails
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
808 boolean b_fastForwardDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
809 while (!b_fastForwardDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
810 // get the x and y coordinates
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
811 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
812 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
813 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
814 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
815
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
816 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
817 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
818 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
819 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
820
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
821 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
822 l_x3 = l_subtrahendCurX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
823 l_y3 = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
824 l_x4 = l_subtrahendNextX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
825 l_y4 = l_subtrahendNextY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
826 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
827 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
828 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
829 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
830 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
831 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
832
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
833 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
834 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
835 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
836 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
837 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
838
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
839 if (l_x2 <= l_x3) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
840 // minuend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
841 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
842 b_minuendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
843 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
844 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
845
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
846 if (l_x4 <= l_x1) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
847 // subtrahend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
848 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
849 b_subtrahendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
850 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
851 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
852
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
853 // 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
854 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
855 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
856 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
857 l_subtrahendCurX = l_minuendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
858 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
859 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
860
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
861 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
862 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
863 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
864
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
865 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
866 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
867 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
868 l_minuendCurX = l_subtrahendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
869 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
870 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
871
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
872 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
873 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
874 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
875
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
876 l_minuendMaxY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
877 l_minuendMinY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
878 l_subtrahendMaxY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
879 l_subtrahendMinY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
880
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
881 b_fastForwardDone = true;
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
884 // start of algorithm
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
885 while (!b_minuendDone && !b_subtrahendDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
886 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
887 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
888 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
889 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
890 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
891
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
892 if (!b_minuendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
893 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
894 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
895 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
896
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
897 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
898 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
899
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
900 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
901 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
902 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
903 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
904 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
905
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
906 // 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
907 if (!b_impliedZeroSubtrahend && !b_subtrahendDone
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
908 && !b_subtrahendFastForward && b_subtrahendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
909 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
910 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
911 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
912 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
913
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
914 if (!b_subtrahendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
915 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
916 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
917 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
918
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
919 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
920 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
921
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
922 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
923 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
924 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
925 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
926 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
927
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
928 // 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
929 b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
930 b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
931
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
932 Double l_intersectX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
933 Double l_intersectY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
934 boolean b_intersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
935
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
936 b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
937 b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
938
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
939 // check for intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
940 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
941 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
942 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
943 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
944 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
945 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
946 // 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
947 // and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
948 l_intersectX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
949 l_intersectY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
950
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
951 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
952 b_minuendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
953 b_subtrahendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
954 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
955 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
956 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
957 // compute common denominator
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
958 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
959 - ((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
960
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
961 // compute common deltas
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
962 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
963 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
964
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
965 // compute numerators
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
966 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
967 - ((l_y4 - l_y3) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
968 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
969 - ((l_y2 - l_y1) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
970
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
971 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
972 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
973 && (0 == l_denominator)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
974 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
975 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
976 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
977 // check if previously colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
978 if (b_colinear) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
979 // clear colinear points and flag
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
980 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
981 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
982 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
983 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
984 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
985 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
986
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
987 b_colinear = false;
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 // 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
990 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
991 && (l_x1 <= l_x4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
992 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
993 : l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
994 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
995 : l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
996 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
997
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
998 // compute slope components
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
999 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
1000 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
1001
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1002 // check if the line segments intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1003 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
1004 && (l_slopeB <= 1)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1005 // compute the point of intersection
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1006 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
1007 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
1008
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1009 l_intersectX = new Double(l_xi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1010 l_intersectY = new Double(l_yi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1011 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1012 b_minuendAtIntersect = ((l_xi == l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1013 && (l_yi == l_y2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1014 b_subtrahendAtIntersect = ((l_xi == l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1015 && (l_yi == l_y4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1016
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1017 // advance minuend and subtrahend to intesect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1018 l_minuendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1019 l_minuendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1020 l_subtrahendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1021 l_subtrahendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1022 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1023 }
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 if (b_intersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1027 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1028 // 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
1029 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1030 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1031
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1032 // add intersection point to the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1033 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1034 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1035
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1036 // 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
1037 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1038 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1039 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1040 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1041
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1042 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1043 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1044 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1045 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
1046 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
1047
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1048 // clear the point vectors
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1049 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1050 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1051 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1052 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1053 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1054 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1055
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1056 // 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
1057 double l_y = l_intersectY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1058 l_minuendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1059 l_subtrahendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1060 l_minuendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1061 l_subtrahendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1062
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1063 // add interection point to new polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1064 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1065 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1066 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1067
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1068 // advance the minuend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1069 if (l_x2 <= l_x4) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1070 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1071 b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1072 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1073 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1074 b_minuendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1075 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1076
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1077 // advance the subtrahend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1078 if (l_x4 <= l_x2) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1079 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1080 b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1081 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1082 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1083 b_subtrahendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1084 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1085
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1086 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
1087 b_subtrahendDone = (l_subtrahendItem == (l_subtrahendItemCount
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1088 - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1089 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1090
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1091 // 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
1092 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
1093 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1094 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
1095 l_subtrahendNextX = l_minuendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1096 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
1097 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1098 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1099
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1100 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
1101 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1102 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
1103 l_minuendNextX = l_subtrahendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1104 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
1105 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1106 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1107
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1108 // 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
1109 // positivity
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1110 l_minuendMaxY = Math.max(l_minuendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1111 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1112 l_subtrahendMaxY = Math.max(l_subtrahendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1113 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1114 l_minuendMinY = Math.min(l_minuendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1115 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1116 l_subtrahendMinY = Math.min(l_subtrahendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1117 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1118
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1119 // 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
1120 l_minuendXs.add(l_minuendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1121 l_minuendYs.add(l_minuendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1122 l_subtrahendXs.add(l_subtrahendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1123 l_subtrahendYs.add(l_subtrahendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1124
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1125 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1126 // 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
1127 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1128 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1129
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1130 // 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
1131 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1132 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1133 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1134 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1135
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1136 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1137 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1138 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1139 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
1140 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
1141 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1142
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 * 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
1145 * 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
1146 * individual points in the two series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1147 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1148 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1149 * @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
1150 * @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
1151 * @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
1152 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1153 * @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
1154 * @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
1155 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1156 * @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
1157 * @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
1158 * @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
1159 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1160 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1161 protected void drawItemPass1(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1162 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1163 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1164 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1165 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1166 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1167 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1168 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1169 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1170 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1171
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1172 Shape l_entityArea = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1173 EntityCollection l_entities = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1174 if (null != x_info) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1175 l_entities = x_info.getOwner().getEntityCollection();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1176 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1177
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1178 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
1179 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
1180 x_graphics.setPaint(l_seriesPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1181 x_graphics.setStroke(l_seriesStroke);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1182
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1183 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1184 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1185 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1186
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1187 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
1188 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
1189 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
1190 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1191 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
1192 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1193
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1194 if (getShapesVisible()) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1195 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
1196 if (l_orientation == PlotOrientation.HORIZONTAL) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1197 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1198 l_y1, l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1199 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1200 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1201 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1202 l_x1, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1203 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1204 if (l_shape.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1205 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
1206 x_graphics.fill(l_shape);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1207 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1208 l_entityArea = 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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1211 // add an entity for the item...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1212 if (null != l_entities) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1213 if (null == l_entityArea) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1214 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
1215 4, 4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1216 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1217 String l_tip = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1218 XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1219 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1220 if (null != l_tipGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1221 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
1222 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1223 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1224 String l_url = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1225 XYURLGenerator l_urlGenerator = getURLGenerator();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1226 if (null != l_urlGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1227 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
1228 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1229 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1230 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
1231 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
1232 l_entities.add(l_entity);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1233 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1234
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1235 // 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
1236 if (isItemLabelVisible(x_series, x_item)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1237 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
1238 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
1239 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1240
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1241 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
1242 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
1243 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
1244 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
1245
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1246 if (0 == x_item) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1247 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1248 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1249
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1250 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
1251 (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
1252 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
1253 (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
1254
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1255 Line2D l_line = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1256 if (PlotOrientation.HORIZONTAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1257 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
1258 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1259 else if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1260 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
1261 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1262
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1263 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
1264 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
1265 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
1266 x_graphics.draw(l_line);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1267 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1268 }
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 * 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
1272 * 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
1273 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1274 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1275 * @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
1276 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1277 * @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
1278 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1279 private boolean isEitherSeriesDegenerate(XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1280 boolean x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1281
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1282 if (x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1283 return (x_dataset.getItemCount(0) < 2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1284 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1285
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1286 return ((x_dataset.getItemCount(0) < 2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1287 || (x_dataset.getItemCount(1) < 2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1288 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1289
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 * 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
1292 * 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
1293 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1294 * @param x_dataset the dataset.
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 * @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
1297 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1298 private boolean areSeriesDisjoint(XYDataset x_dataset) {
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 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
1301 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
1302 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
1303
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1304 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
1305 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
1306 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
1307 l_subtrahendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1308
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1309 return ((l_minuendLast < l_subtrahendFirst)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1310 || (l_subtrahendLast < l_minuendFirst));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1311 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1312
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 * 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
1315 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1316 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1317 * @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
1318 * @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
1319 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1320 * @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
1321 * @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
1322 * @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
1323 * negative (false).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1324 * @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
1325 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1326 * @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
1327 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1328 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1329 private void createPolygon (Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1330 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1331 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1332 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1333 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1334 boolean x_positive,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1335 LinkedList x_xValues,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1336 LinkedList x_yValues) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1337
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1338 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1339 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1340 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1341
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1342 Object[] l_xValues = x_xValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1343 Object[] l_yValues = x_yValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1344
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1345 GeneralPath l_path = new GeneralPath();
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 if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1348 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1349 (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
1350 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1351 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1352 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1353 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1354
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1355 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1356 (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
1357 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1358
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1359 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
1360 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
1361 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1362 (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
1363 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1364 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1365 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1366 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1367
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1368 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1369 (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
1370 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1371 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
1372 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1373 l_path.closePath();
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 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1376 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1377 (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
1378 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1379 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1380 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1381 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1382
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1383 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1384 (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
1385 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1386
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1387 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
1388 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
1389 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1390 (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
1391 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1392 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1393 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1394 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1395
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1396 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1397 (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
1398 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1399 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
1400 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1401 l_path.closePath();
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1404 if (l_path.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1405 x_graphics.setPaint(x_positive ? getPositivePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1406 : getNegativePaint());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1407 x_graphics.fill(l_path);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1408 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1409 }
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 * 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
1413 * 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
1414 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1415 * @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
1416 * @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
1417 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1418 * @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
1419 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1420 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
1421 LegendItem result = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1422 XYPlot p = getPlot();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1423 if (p != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1424 XYDataset dataset = p.getDataset(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1425 if (dataset != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1426 if (getItemVisible(series, 0)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1427 String label = getLegendItemLabelGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1428 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1429 String description = label;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1430 String toolTipText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1431 if (getLegendItemToolTipGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1432 toolTipText
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1433 = getLegendItemToolTipGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1434 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1435 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1436 String urlText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1437 if (getLegendItemURLGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1438 urlText = getLegendItemURLGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1439 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1440 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1441 Paint paint = lookupSeriesPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1442 Stroke stroke = lookupSeriesStroke(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1443 Shape line = getLegendLine();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1444 result = new LegendItem(label, description,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1445 toolTipText, urlText, line, stroke, paint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1446 result.setLabelFont(lookupLegendTextFont(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1447 Paint labelPaint = lookupLegendTextPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1448 if (labelPaint != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1449 result.setLabelPaint(labelPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1450 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1451 result.setDataset(dataset);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1452 result.setDatasetIndex(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1453 result.setSeriesKey(dataset.getSeriesKey(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1454 result.setSeriesIndex(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1455 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1456 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1457
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1458 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1459
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1460 return result;
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 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1463
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1464 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1465 * 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
1466 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1467 * @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
1468 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1469 * @return A boolean.
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 public boolean equals(Object obj) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1472 if (obj == this) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1473 return true;
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 if (!(obj instanceof StableXYDifferenceRenderer)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1476 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1477 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1478 if (!super.equals(obj)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1479 return false;
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 StableXYDifferenceRenderer that = (StableXYDifferenceRenderer) obj;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1482 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
1483 return false;
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 (!PaintUtilities.equal(this.negativePaint, that.negativePaint)) {
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 (this.shapesVisible != that.shapesVisible) {
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 if (!ShapeUtilities.equal(this.legendLine, that.legendLine)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1492 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1493 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1494 if (this.roundXCoordinates != that.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1495 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1496 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1497 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1498 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1499
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1500 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1501 * Returns a clone of the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1502 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1503 * @return A clone.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1504 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1505 * @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
1506 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1507 public Object clone() throws CloneNotSupportedException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1508 StableXYDifferenceRenderer clone = (StableXYDifferenceRenderer) super.clone();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1509 clone.legendLine = ShapeUtilities.clone(this.legendLine);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1510 return clone;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1511 }
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 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1514 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1515 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1516 * @param stream the output stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1517 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1518 * @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
1519 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1520 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
1521 stream.defaultWriteObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1522 SerialUtilities.writePaint(this.positivePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1523 SerialUtilities.writePaint(this.negativePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1524 SerialUtilities.writeShape(this.legendLine, stream);
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
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 * Provides serialization support.
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 * @param stream the input stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1531 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1532 * @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
1533 * @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
1534 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1535 private void readObject(ObjectInputStream stream)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1536 throws IOException, ClassNotFoundException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1537 stream.defaultReadObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1538 this.positivePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1539 this.negativePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1540 this.legendLine = SerialUtilities.readShape(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 }
http://dive4elements.wald.intevation.org