Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java @ 1845:06c157848c8f

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Made the floodmap compatible with an Oracle database. flys-artifacts/trunk@3189 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 09 Nov 2011 10:48:51 +0000
parents 982956bde69e
children 0e9c0b49b4ef
rev   line source
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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1 /* ===========================================================
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2 * JFreeChart : a free chart library for the Java(tm) platform
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3 * ===========================================================
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4 *
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5 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
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6 *
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7 * Project Info: http://www.jfree.org/jfreechart/index.html
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8 *
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9 * This library is free software; you can redistribute it and/or modify it
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10 * under the terms of the GNU Lesser General Public License as published by
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11 * the Free Software Foundation; either version 2.1 of the License, or
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12 * (at your option) any later version.
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13 *
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14 * This library is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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17 * License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this library; if not, write to the Free Software
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21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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22 * USA.
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23 *
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24 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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25 * in the United States and other countries.]
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26 *
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27 * -------------------------
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28 * StableXYDifferenceRenderer.java
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29 * -------------------------
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30 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
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31 *
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32 * Original Author: David Gilbert (for Object Refinery Limited);
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33 * Contributor(s): Richard West, Advanced Micro Devices, Inc. (major rewrite
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34 * of difference drawing algorithm);
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35 *
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36 * Changes:
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37 * --------
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38 * 30-Apr-2003 : Version 1 (DG);
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39 * 30-Jul-2003 : Modified entity constructor (CZ);
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40 * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);
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41 * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);
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42 * 09-Feb-2004 : Updated to support horizontal plot orientation (DG);
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43 * 10-Feb-2004 : Added default constructor, setter methods and updated
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44 * Javadocs (DG);
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45 * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);
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46 * 30-Mar-2004 : Fixed bug in getNegativePaint() method (DG);
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47 * 15-Jul-2004 : Switched getX() with getXValue() and getY() with
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48 * getYValue() (DG);
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49 * 25-Aug-2004 : Fixed a bug preventing the use of crosshairs (DG);
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50 * 11-Nov-2004 : Now uses ShapeUtilities to translate shapes (DG);
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51 * 19-Jan-2005 : Now accesses only primitive values from dataset (DG);
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52 * 22-Feb-2005 : Override getLegendItem(int, int) to return "line" items (DG);
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53 * 13-Apr-2005 : Fixed shape positioning bug (id = 1182062) (DG);
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54 * 20-Apr-2005 : Use generators for legend tooltips and URLs (DG);
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55 * 04-May-2005 : Override equals() method, renamed get/setPlotShapes() -->
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56 * get/setShapesVisible (DG);
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57 * 09-Jun-2005 : Updated equals() to handle GradientPaint (DG);
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58 * 16-Jun-2005 : Fix bug (1221021) affecting stroke used for each series (DG);
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59 * ------------- JFREECHART 1.0.x ---------------------------------------------
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60 * 24-Jan-2007 : Added flag to allow rounding of x-coordinates, and fixed
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61 * bug in clone() (DG);
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62 * 05-Feb-2007 : Added an extra call to updateCrosshairValues() in
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63 * drawItemPass1(), to fix bug 1564967 (DG);
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64 * 06-Feb-2007 : Fixed bug 1086307, crosshairs with multiple axes (DG);
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65 * 08-Mar-2007 : Fixed entity generation (DG);
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66 * 20-Apr-2007 : Updated getLegendItem() for renderer change (DG);
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67 * 23-Apr-2007 : Rewrite of difference drawing algorithm to allow use of
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68 * series with disjoint x-values (RW);
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69 * 04-May-2007 : Set processVisibleItemsOnly flag to false (DG);
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70 * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);
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71 * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);
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72 * 05-Nov-2007 : Draw item labels if visible (RW);
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73 * 17-Jun-2008 : Apply legend shape, font and paint attributes (DG);
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74 *
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75 */
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76 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.Collections;
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90 import java.util.LinkedList;
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91 import java.util.Iterator;
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92
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93 import org.jfree.chart.LegendItem;
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94 import org.jfree.chart.axis.ValueAxis;
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95 import org.jfree.chart.entity.EntityCollection;
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96 import org.jfree.chart.entity.XYItemEntity;
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97 import org.jfree.chart.event.RendererChangeEvent;
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98 import org.jfree.chart.labels.XYToolTipGenerator;
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99 import org.jfree.chart.plot.CrosshairState;
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100 import org.jfree.chart.plot.PlotOrientation;
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101 import org.jfree.chart.plot.PlotRenderingInfo;
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102 import org.jfree.chart.plot.XYPlot;
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103 import org.jfree.chart.urls.XYURLGenerator;
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104 import org.jfree.data.xy.XYDataset;
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105 import org.jfree.io.SerialUtilities;
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106 import org.jfree.ui.RectangleEdge;
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107 import org.jfree.util.PaintUtilities;
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108 import org.jfree.util.PublicCloneable;
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109 import org.jfree.util.ShapeUtilities;
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110
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111 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
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112 import org.jfree.chart.renderer.xy.XYItemRenderer;
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113 import org.jfree.chart.renderer.xy.XYItemRendererState;
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114
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115 /**
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116 * A renderer for an {@link XYPlot} that highlights the differences between two
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117 * series. The example shown here is generated by the
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118 * <code>DifferenceChartDemo1.java</code> program included in the JFreeChart
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119 * demo collection:
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120 * <br><br>
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121 * <img src="../../../../../images/StableXYDifferenceRendererSample.png"
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122 * alt="StableXYDifferenceRendererSample.png" />
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123 */
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124 public class StableXYDifferenceRenderer extends AbstractXYItemRenderer
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125 implements XYItemRenderer, PublicCloneable {
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126
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127 /** For serialization. */
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128 private static final long serialVersionUID = -8447915602375584857L;
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129
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130 /** The paint used to highlight positive differences (y(0) > y(1)). */
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131 private transient Paint positivePaint;
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132
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133 /** The paint used to highlight negative differences (y(0) < y(1)). */
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134 private transient Paint negativePaint;
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135
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136 /** Display shapes at each point? */
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137 private boolean shapesVisible;
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138
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139 /** The shape to display in the legend item. */
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140 private transient Shape legendLine;
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141
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142 private XYDatasetToZeroMapper mapper;
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143
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144 /**
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145 * This flag controls whether or not the x-coordinates (in Java2D space)
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146 * are rounded to integers. When set to true, this can avoid the vertical
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147 * striping that anti-aliasing can generate. However, the rounding may not
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148 * be appropriate for output in high resolution formats (for example,
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149 * vector graphics formats such as SVG and PDF).
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150 *
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151 * @since 1.0.4
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152 */
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153 private boolean roundXCoordinates;
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154
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155 /**
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156 * Creates a new renderer with default attributes.
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157 */
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158 public StableXYDifferenceRenderer() {
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159 this(Color.green, Color.red, false, null);
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160 }
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161
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162 /**
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163 * Creates a new renderer.
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164 *
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165 * @param positivePaint the highlight color for positive differences
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166 * (<code>null</code> not permitted).
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167 * @param negativePaint the highlight color for negative differences
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168 * (<code>null</code> not permitted).
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169 * @param shapes draw shapes?
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170 */
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171 public StableXYDifferenceRenderer(Paint positivePaint, Paint negativePaint,
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172 boolean shapes,
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173 XYDatasetToZeroMapper mapper) {
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174 if (positivePaint == null) {
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175 throw new IllegalArgumentException(
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176 "Null 'positivePaint' argument.");
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177 }
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178 if (negativePaint == null) {
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179 throw new IllegalArgumentException(
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180 "Null 'negativePaint' argument.");
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181 }
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182 this.positivePaint = positivePaint;
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183 this.negativePaint = negativePaint;
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184 this.shapesVisible = shapes;
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185 this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
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186 this.roundXCoordinates = false;
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187 this.mapper = mapper;
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188 }
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189
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190 /**
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191 * Returns the paint used to highlight positive differences.
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192 *
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193 * @return The paint (never <code>null</code>).
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194 *
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195 * @see #setPositivePaint(Paint)
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196 */
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197 public Paint getPositivePaint() {
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198 return this.positivePaint;
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199 }
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200
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201 /**
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202 * Sets the paint used to highlight positive differences and sends a
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203 * {@link RendererChangeEvent} to all registered listeners.
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204 *
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205 * @param paint the paint (<code>null</code> not permitted).
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206 *
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207 * @see #getPositivePaint()
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208 */
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209 public void setPositivePaint(Paint paint) {
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210 if (paint == null) {
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211 throw new IllegalArgumentException("Null 'paint' argument.");
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212 }
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213 this.positivePaint = paint;
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214 fireChangeEvent();
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215 }
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216
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217 /**
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218 * Returns the paint used to highlight negative differences.
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219 *
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220 * @return The paint (never <code>null</code>).
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221 *
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222 * @see #setNegativePaint(Paint)
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223 */
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224 public Paint getNegativePaint() {
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225 return this.negativePaint;
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226 }
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227
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228 /**
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229 * Sets the paint used to highlight negative differences.
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230 *
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231 * @param paint the paint (<code>null</code> not permitted).
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232 *
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233 * @see #getNegativePaint()
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234 */
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235 public void setNegativePaint(Paint paint) {
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236 if (paint == null) {
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237 throw new IllegalArgumentException("Null 'paint' argument.");
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238 }
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239 this.negativePaint = paint;
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240 notifyListeners(new RendererChangeEvent(this));
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241 }
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242
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243 /**
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244 * Returns a flag that controls whether or not shapes are drawn for each
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245 * data value.
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246 *
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247 * @return A boolean.
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248 *
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249 * @see #setShapesVisible(boolean)
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250 */
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251 public boolean getShapesVisible() {
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252 return this.shapesVisible;
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253 }
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254
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255 /**
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256 * Sets a flag that controls whether or not shapes are drawn for each
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257 * data value, and sends a {@link RendererChangeEvent} to all registered
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258 * listeners.
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259 *
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260 * @param flag the flag.
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261 *
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262 * @see #getShapesVisible()
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263 */
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264 public void setShapesVisible(boolean flag) {
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265 this.shapesVisible = flag;
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266 fireChangeEvent();
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267 }
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268
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269 /**
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270 * Returns the shape used to represent a line in the legend.
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271 *
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272 * @return The legend line (never <code>null</code>).
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273 *
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274 * @see #setLegendLine(Shape)
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275 */
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276 public Shape getLegendLine() {
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277 return this.legendLine;
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278 }
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279
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280 /**
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281 * Sets the shape used as a line in each legend item and sends a
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282 * {@link RendererChangeEvent} to all registered listeners.
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283 *
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284 * @param line the line (<code>null</code> not permitted).
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285 *
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286 * @see #getLegendLine()
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287 */
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288 public void setLegendLine(Shape line) {
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289 if (line == null) {
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290 throw new IllegalArgumentException("Null 'line' argument.");
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291 }
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292 this.legendLine = line;
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293 fireChangeEvent();
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294 }
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295
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296 /**
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297 * Returns the flag that controls whether or not the x-coordinates (in
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298 * Java2D space) are rounded to integer values.
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299 *
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300 * @return The flag.
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301 *
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302 * @since 1.0.4
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303 *
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304 * @see #setRoundXCoordinates(boolean)
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305 */
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306 public boolean getRoundXCoordinates() {
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307 return this.roundXCoordinates;
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308 }
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309
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310 /**
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311 * Sets the flag that controls whether or not the x-coordinates (in
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312 * Java2D space) are rounded to integer values, and sends a
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313 * {@link RendererChangeEvent} to all registered listeners.
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314 *
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315 * @param round the new flag value.
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316 *
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317 * @since 1.0.4
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318 *
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319 * @see #getRoundXCoordinates()
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320 */
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321 public void setRoundXCoordinates(boolean round) {
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322 this.roundXCoordinates = round;
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323 fireChangeEvent();
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324 }
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325
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326 /**
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327 * Initialises the renderer and returns a state object that should be
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328 * passed to subsequent calls to the drawItem() method. This method will
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329 * be called before the first item is rendered, giving the renderer an
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330 * opportunity to initialise any state information it wants to maintain.
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331 * The renderer can do nothing if it chooses.
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332 *
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333 * @param g2 the graphics device.
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334 * @param dataArea the area inside the axes.
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335 * @param plot the plot.
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336 * @param data the data.
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337 * @param info an optional info collection object to return data back to
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338 * the caller.
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339 *
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340 * @return A state object.
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341 */
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342 public XYItemRendererState initialise(Graphics2D g2,
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343 Rectangle2D dataArea,
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344 XYPlot plot,
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345 XYDataset data,
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346 PlotRenderingInfo info) {
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347
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348 XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
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349 info);
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350 state.setProcessVisibleItemsOnly(false);
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351 return state;
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352
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353 }
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354
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355 /**
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356 * Returns <code>2</code>, the number of passes required by the renderer.
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357 * The {@link XYPlot} will run through the dataset this number of times.
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358 *
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359 * @return The number of passes required by the renderer.
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360 */
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361 public int getPassCount() {
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362 return 2;
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363 }
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364
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365 /**
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parents:
diff changeset
366 * Draws the visual representation of a single data item.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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parents:
diff changeset
368 * @param g2 the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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parents:
diff changeset
369 * @param state the renderer state.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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parents:
diff changeset
370 * @param dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
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parents:
diff changeset
371 * @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
372 * @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
373 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
374 * @param domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
375 * @param rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
376 * @param dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
377 * @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
378 * @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
379 * @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
380 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
381 * @param pass the pass index.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
382 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
383 public void drawItem(Graphics2D g2,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
384 XYItemRendererState state,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
385 Rectangle2D dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
386 PlotRenderingInfo info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
387 XYPlot plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
388 ValueAxis domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
389 ValueAxis rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
390 XYDataset dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
391 int series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
392 int item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
393 CrosshairState crosshairState,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
394 int pass) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
395
1824
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
396 if (mapper == null) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
397 switch (pass) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
398 case 0:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
399 drawItemPass0(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
400 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
401 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
402 break;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
403 case 1:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
404 drawItemPass1(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
405 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
406 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
407 }
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
408 }
1824
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
409 else {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
410 for (Iterator<XYDataset> iter = mapper.iterator(dataset);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
411 iter.hasNext();
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
412 ) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
413 switch (pass) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
414 case 0:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
415 drawItemPass0(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
416 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
417 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
418 break;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
419 case 1:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
420 drawItemPass1(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
421 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
422 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
423 }
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1823
diff changeset
424 } // for all segments
1823
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
425 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
426
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
427 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
428
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
429 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
430 * 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
431 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
432 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
433 * @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
434 * @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
435 * @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
436 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
437 * @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
438 * @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
439 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
440 * @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
441 * @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
442 * @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
443 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
444 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
445 protected void drawItemPass0(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
446 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
447 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
448 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
449 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
450 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
451 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
452 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
453 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
454 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
455
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
456 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
457 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
458 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
459
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
460 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
461
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
462 // 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
463 if (isEitherSeriesDegenerate(x_dataset, b_impliedZeroSubtrahend)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
464 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
465 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
466
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
467 // 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
468 if (!b_impliedZeroSubtrahend && areSeriesDisjoint(x_dataset)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
469 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
470 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
471
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
472 // polygon definitions
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
473 LinkedList l_minuendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
474 LinkedList l_minuendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
475 LinkedList l_subtrahendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
476 LinkedList l_subtrahendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
477 LinkedList l_polygonXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
478 LinkedList l_polygonYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
479
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
480 // state
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
481 int l_minuendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
482 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
483 Double l_minuendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
484 Double l_minuendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
485 Double l_minuendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
486 Double l_minuendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
487 double l_minuendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
488 double l_minuendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
489
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
490 int l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
491 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
492 Double l_subtrahendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
493 Double l_subtrahendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
494 Double l_subtrahendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
495 Double l_subtrahendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
496 double l_subtrahendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
497 double l_subtrahendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
498
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
499 // 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
500 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
501 l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
502 l_subtrahendItemCount = 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
503 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
504 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
505 (l_minuendItemCount - 1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
506 l_subtrahendCurY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
507 l_subtrahendNextY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
508 l_subtrahendMaxY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
509 l_subtrahendMinY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
510
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
511 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
512 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
513 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
514 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
515 l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
516 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
517
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
518 boolean b_minuendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
519 boolean b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
520 boolean b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
521 boolean b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
522 boolean b_subtrahendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
523 boolean b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
524 boolean b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
525 boolean b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
526 boolean b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
527
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
528 boolean b_positive;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
529
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
530 // coordinate pairs
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
531 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
532 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
533 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
534 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
535
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
536 // fast-forward through leading tails
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
537 boolean b_fastForwardDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
538 while (!b_fastForwardDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
539 // get the x and y coordinates
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
540 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
541 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
542 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
543 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
544
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
545 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
546 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
547 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
548 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
549
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
550 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
551 l_x3 = l_subtrahendCurX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
552 l_y3 = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
553 l_x4 = l_subtrahendNextX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
554 l_y4 = l_subtrahendNextY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
555 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
556 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
557 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
558 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
559 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
560 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
561
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
562 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
563 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
564 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
565 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
566 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
567
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
568 if (l_x2 <= l_x3) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
569 // minuend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
570 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
571 b_minuendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
572 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
573 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
574
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
575 if (l_x4 <= l_x1) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
576 // subtrahend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
577 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
578 b_subtrahendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
579 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
580 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
581
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
582 // 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
583 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
584 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
585 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
586 l_subtrahendCurX = l_minuendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
587 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
588 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
589
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
590 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
591 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
592 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
593
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
594 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
595 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
596 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
597 l_minuendCurX = l_subtrahendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
598 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
599 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
600
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
601 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
602 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
603 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
604
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
605 l_minuendMaxY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
606 l_minuendMinY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
607 l_subtrahendMaxY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
608 l_subtrahendMinY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
609
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
610 b_fastForwardDone = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
611 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
612
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
613 // start of algorithm
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
614 while (!b_minuendDone && !b_subtrahendDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
615 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
616 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
617 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
618 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
619 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
620
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
621 if (!b_minuendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
622 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
623 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
624 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
625
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
626 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
627 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
628
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
629 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
630 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
631 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
632 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
633 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
634
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
635 // 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
636 if (!b_impliedZeroSubtrahend && !b_subtrahendDone
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
637 && !b_subtrahendFastForward && b_subtrahendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
638 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
639 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
640 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
641 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
642
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
643 if (!b_subtrahendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
644 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
645 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
646 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
647
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
648 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
649 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
650
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
651 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
652 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
653 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
654 l_subtrahendNextY = new Double(l_y4);
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
657 // 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
658 b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
659 b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
660
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
661 Double l_intersectX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
662 Double l_intersectY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
663 boolean b_intersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
664
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
665 b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
666 b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
667
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
668 // check for intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
669 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
670 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
671 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
672 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
673 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
674 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
675 // 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
676 // and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
677 l_intersectX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
678 l_intersectY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
679
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
680 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
681 b_minuendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
682 b_subtrahendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
683 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
684 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
685 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
686 // compute common denominator
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
687 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
688 - ((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
689
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
690 // compute common deltas
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
691 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
692 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
693
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
694 // compute numerators
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
695 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
696 - ((l_y4 - l_y3) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
697 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
698 - ((l_y2 - l_y1) * l_deltaX);
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 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
701 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
702 && (0 == l_denominator)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
703 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
704 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
705 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
706 // check if previously colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
707 if (b_colinear) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
708 // clear colinear points and flag
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
709 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
710 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
711 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
712 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
713 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
714 l_polygonYs.clear();
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 b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
717
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
718 // 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
719 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
720 && (l_x1 <= l_x4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
721 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
722 : l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
723 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
724 : l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
725 }
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 // compute slope components
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
728 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
729 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
730
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
731 // check if the line segments intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
732 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
733 && (l_slopeB <= 1)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
734 // compute the point of intersection
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
735 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
736 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
737
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
738 l_intersectX = new Double(l_xi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
739 l_intersectY = new Double(l_yi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
740 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
741 b_minuendAtIntersect = ((l_xi == l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
742 && (l_yi == l_y2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
743 b_subtrahendAtIntersect = ((l_xi == l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
744 && (l_yi == l_y4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
745
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
746 // advance minuend and subtrahend to intesect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
747 l_minuendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
748 l_minuendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
749 l_subtrahendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
750 l_subtrahendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
751 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
752 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
753 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
754
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
755 if (b_intersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
756 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
757 // 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
758 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
759 l_polygonYs.addAll(l_minuendYs);
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 // add intersection point to the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
762 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
763 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
764
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
765 // 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
766 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
767 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
768 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
769 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
770
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
771 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
772 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
773 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
774 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
775 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
776
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
777 // clear the point vectors
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
778 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
779 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
780 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
781 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
782 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
783 l_polygonYs.clear();
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 // 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
786 double l_y = l_intersectY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
787 l_minuendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
788 l_subtrahendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
789 l_minuendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
790 l_subtrahendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
791
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
792 // add interection point to new polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
793 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
794 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
795 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
796
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
797 // advance the minuend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
798 if (l_x2 <= l_x4) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
799 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
800 b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
801 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
802 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
803 b_minuendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
804 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
805
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
806 // advance the subtrahend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
807 if (l_x4 <= l_x2) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
808 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
809 b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
810 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
811 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
812 b_subtrahendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
813 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
814
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
815 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
816 b_subtrahendDone = (l_subtrahendItem == (l_subtrahendItemCount
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
817 - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
818 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
819
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
820 // 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
821 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
822 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
823 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
824 l_subtrahendNextX = l_minuendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
825 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
826 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
827 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
828
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
829 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
830 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
831 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
832 l_minuendNextX = l_subtrahendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
833 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
834 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
835 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
836
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
837 // 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
838 // positivity
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
839 l_minuendMaxY = Math.max(l_minuendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
840 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
841 l_subtrahendMaxY = Math.max(l_subtrahendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
842 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
843 l_minuendMinY = Math.min(l_minuendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
844 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
845 l_subtrahendMinY = Math.min(l_subtrahendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
846 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
847
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
848 // 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
849 l_minuendXs.add(l_minuendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
850 l_minuendYs.add(l_minuendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
851 l_subtrahendXs.add(l_subtrahendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
852 l_subtrahendYs.add(l_subtrahendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
853
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
854 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
855 // 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
856 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
857 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
858
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
859 // 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
860 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
861 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
862 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
863 l_polygonYs.addAll(l_subtrahendYs);
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 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
866 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
867 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
868 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
869 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
870 }
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 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
873 * 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
874 * 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
875 * individual points in the two series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
876 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
877 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
878 * @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
879 * @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
880 * @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
881 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
882 * @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
883 * @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
884 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
885 * @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
886 * @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
887 * @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
888 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
889 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
890 protected void drawItemPass1(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
891 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
892 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
893 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
894 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
895 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
896 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
897 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
898 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
899 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
900
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
901 Shape l_entityArea = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
902 EntityCollection l_entities = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
903 if (null != x_info) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
904 l_entities = x_info.getOwner().getEntityCollection();
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
907 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
908 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
909 x_graphics.setPaint(l_seriesPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
910 x_graphics.setStroke(l_seriesStroke);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
911
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
912 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
913 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
914 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
915
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
916 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
917 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
918 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
919 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
920 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
921 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
922
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
923 if (getShapesVisible()) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
924 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
925 if (l_orientation == PlotOrientation.HORIZONTAL) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
926 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
927 l_y1, l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
928 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
929 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
930 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
931 l_x1, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
932 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
933 if (l_shape.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
934 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
935 x_graphics.fill(l_shape);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
936 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
937 l_entityArea = l_shape;
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
940 // add an entity for the item...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
941 if (null != l_entities) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
942 if (null == l_entityArea) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
943 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
944 4, 4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
945 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
946 String l_tip = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
947 XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
948 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
949 if (null != l_tipGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
950 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
951 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
952 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
953 String l_url = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
954 XYURLGenerator l_urlGenerator = getURLGenerator();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
955 if (null != l_urlGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
956 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
957 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
958 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
959 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
960 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
961 l_entities.add(l_entity);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
962 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
963
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
964 // 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
965 if (isItemLabelVisible(x_series, x_item)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
966 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
967 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
968 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
969
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
970 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
971 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
972 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
973 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
974
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
975 if (0 == x_item) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
976 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
977 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
978
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
979 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
980 (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
981 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
982 (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
983
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
984 Line2D l_line = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
985 if (PlotOrientation.HORIZONTAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
986 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
987 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
988 else if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
989 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
990 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
991
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
992 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
993 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
994 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
995 x_graphics.draw(l_line);
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
999 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1000 * 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
1001 * 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
1002 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1003 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1004 * @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
1005 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1006 * @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
1007 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1008 private boolean isEitherSeriesDegenerate(XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1009 boolean x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1010
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1011 if (x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1012 return (x_dataset.getItemCount(0) < 2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1013 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1014
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1015 return ((x_dataset.getItemCount(0) < 2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1016 || (x_dataset.getItemCount(1) < 2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1017 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1018
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1019 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1020 * 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
1021 * 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
1022 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1023 * @param x_dataset the dataset.
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 * @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
1026 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1027 private boolean areSeriesDisjoint(XYDataset x_dataset) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1028
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1029 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
1030 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
1031 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
1032
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1033 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
1034 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
1035 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
1036 l_subtrahendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1037
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1038 return ((l_minuendLast < l_subtrahendFirst)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1039 || (l_subtrahendLast < l_minuendFirst));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1040 }
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 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1043 * 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
1044 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1045 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1046 * @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
1047 * @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
1048 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1049 * @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
1050 * @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
1051 * @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
1052 * negative (false).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1053 * @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
1054 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1055 * @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
1056 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1057 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1058 private void createPolygon (Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1059 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1060 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1061 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1062 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1063 boolean x_positive,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1064 LinkedList x_xValues,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1065 LinkedList x_yValues) {
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 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1068 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1069 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1070
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1071 Object[] l_xValues = x_xValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1072 Object[] l_yValues = x_yValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1073
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1074 GeneralPath l_path = new GeneralPath();
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 if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1077 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1078 (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
1079 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1080 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1081 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1082 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1083
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1084 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1085 (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
1086 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1087
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1088 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
1089 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
1090 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1091 (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
1092 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1093 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1094 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1095 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1096
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1097 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1098 (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
1099 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1100 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
1101 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1102 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1103 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1104 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1105 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1106 (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
1107 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1108 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1109 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1110 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1111
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1112 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1113 (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
1114 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1115
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1116 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
1117 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
1118 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1119 (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
1120 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1121 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1122 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1123 }
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 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1126 (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
1127 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1128 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
1129 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1130 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1131 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1132
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1133 if (l_path.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1134 x_graphics.setPaint(x_positive ? getPositivePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1135 : getNegativePaint());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1136 x_graphics.fill(l_path);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1137 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1138 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1139
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1140 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1141 * 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
1142 * 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
1143 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1144 * @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
1145 * @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
1146 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1147 * @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
1148 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1149 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
1150 LegendItem result = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1151 XYPlot p = getPlot();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1152 if (p != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1153 XYDataset dataset = p.getDataset(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1154 if (dataset != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1155 if (getItemVisible(series, 0)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1156 String label = getLegendItemLabelGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1157 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1158 String description = label;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1159 String toolTipText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1160 if (getLegendItemToolTipGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1161 toolTipText
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1162 = getLegendItemToolTipGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1163 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1164 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1165 String urlText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1166 if (getLegendItemURLGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1167 urlText = getLegendItemURLGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1168 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1169 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1170 Paint paint = lookupSeriesPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1171 Stroke stroke = lookupSeriesStroke(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1172 Shape line = getLegendLine();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1173 result = new LegendItem(label, description,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1174 toolTipText, urlText, line, stroke, paint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1175 result.setLabelFont(lookupLegendTextFont(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1176 Paint labelPaint = lookupLegendTextPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1177 if (labelPaint != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1178 result.setLabelPaint(labelPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1179 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1180 result.setDataset(dataset);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1181 result.setDatasetIndex(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1182 result.setSeriesKey(dataset.getSeriesKey(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1183 result.setSeriesIndex(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1184 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1185 }
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 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1188
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1189 return result;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1190
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1191 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1192
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 * 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
1195 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1196 * @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
1197 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1198 * @return A boolean.
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 public boolean equals(Object obj) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1201 if (obj == this) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1202 return true;
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 (!(obj instanceof StableXYDifferenceRenderer)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1205 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1206 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1207 if (!super.equals(obj)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1208 return false;
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 StableXYDifferenceRenderer that = (StableXYDifferenceRenderer) obj;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1211 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
1212 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1213 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1214 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
1215 return false;
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 if (this.shapesVisible != that.shapesVisible) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1218 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1219 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1220 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
1221 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1222 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1223 if (this.roundXCoordinates != that.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1224 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1225 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1226 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1227 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1228
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 * Returns a clone of the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1231 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1232 * @return A clone.
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 * @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
1235 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1236 public Object clone() throws CloneNotSupportedException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1237 StableXYDifferenceRenderer clone = (StableXYDifferenceRenderer) super.clone();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1238 clone.legendLine = ShapeUtilities.clone(this.legendLine);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1239 return clone;
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1242 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1243 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1244 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1245 * @param stream the output stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1246 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1247 * @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
1248 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1249 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
1250 stream.defaultWriteObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1251 SerialUtilities.writePaint(this.positivePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1252 SerialUtilities.writePaint(this.negativePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1253 SerialUtilities.writeShape(this.legendLine, stream);
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
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1256 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1257 * Provides serialization support.
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 * @param stream the input stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1260 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1261 * @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
1262 * @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
1263 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1264 private void readObject(ObjectInputStream stream)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1265 throws IOException, ClassNotFoundException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1266 stream.defaultReadObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1267 this.positivePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1268 this.negativePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1269 this.legendLine = SerialUtilities.readShape(stream);
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 }
http://dive4elements.wald.intevation.org