Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/EnhancedLineAndShapeRenderer.java @ 2647:4b7a28e81643

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Cosmetics, doc. flys-artifacts/trunk@4302 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 26 Apr 2012 08:11:48 +0000
parents 0a84313efe60
children 8aaa7f4ce06a
rev   line source
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.jfree;
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parents:
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2
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3 import java.awt.Color;
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parents:
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4 import java.awt.Graphics2D;
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74c02dbf17ca #523 Improved the look of minimum and maximum shapes in chart series.
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parents: 2241
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5 import java.awt.Paint;
2074
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parents:
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6 import java.awt.Shape;
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parents:
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7 import java.awt.geom.Rectangle2D;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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8 import java.util.HashMap;
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parents:
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9 import java.util.Map;
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parents:
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10
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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11 import org.apache.log4j.Logger;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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12
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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13 import org.jfree.chart.axis.ValueAxis;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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14 import org.jfree.chart.entity.EntityCollection;
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15 import org.jfree.chart.plot.CrosshairState;
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parents:
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16 import org.jfree.chart.plot.PlotOrientation;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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17 import org.jfree.chart.plot.XYPlot;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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18 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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19 import org.jfree.data.xy.XYDataset;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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20 import org.jfree.ui.RectangleEdge;
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21 import org.jfree.util.BooleanList;
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22 import org.jfree.util.ShapeUtilities;
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23
2642
42b05a4bed25 Cosmetics, added doc, TODO and OPTIMIZE to Enhanced*Renderer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2591
diff changeset
24 /**
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
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25 * Renderer with additional the additional functionality of renderering minima
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
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26 * and/or maxima of dataseries contained in datasets.
2642
42b05a4bed25 Cosmetics, added doc, TODO and OPTIMIZE to Enhanced*Renderer.
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parents: 2591
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27 */
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28 public class EnhancedLineAndShapeRenderer extends XYLineAndShapeRenderer {
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29
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parents: 2644
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30 /** Own logger. */
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31 private static final Logger logger =
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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32 Logger.getLogger(EnhancedLineAndShapeRenderer.class);
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parents:
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33
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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34 protected BooleanList isMinimumShapeVisible;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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35 protected BooleanList isMaximumShapeVisible;
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4b7a28e81643 Cosmetics, doc.
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parents: 2644
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36 protected BooleanList showSeriesMinimumX;;
2074
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37
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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38 protected Map<Integer, Double> seriesMinimum;
2644
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
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39 protected Map<Integer, Double> seriesMinimumX;
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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40 protected Map<Integer, Double> seriesMaximum;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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41
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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42
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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43 public EnhancedLineAndShapeRenderer(boolean lines, boolean shapes) {
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44 super(lines, shapes);
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45 this.isMinimumShapeVisible = new BooleanList();
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46 this.isMaximumShapeVisible = new BooleanList();
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47 this.seriesMinimum = new HashMap<Integer, Double>();
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48 this.seriesMaximum = new HashMap<Integer, Double>();
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0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
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49 this.seriesMinimumX = new HashMap<Integer, Double>();
2074
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50 }
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parents:
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51
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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52
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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53 public boolean getItemShapeVisible(XYDataset dataset, int series, int item){
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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54 if (super.getItemShapeVisible(series, item)) {
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55 return true;
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56 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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57
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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58 if (isMinimumShapeVisible(series) && isMinimum(dataset, series, item)) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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59 return true;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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60 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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61
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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62 if (isMaximumShapeVisible(series) && isMaximum(dataset, series, item)) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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63 return true;
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parents:
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64 }
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parents:
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65
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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66 return false;
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parents:
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67 }
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68
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69
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70 public Shape getMaximumShape(int series, int column) {
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71 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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parents: 2241
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72 }
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parents: 2241
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73
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parents: 2241
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74
74c02dbf17ca #523 Improved the look of minimum and maximum shapes in chart series.
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parents: 2241
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75 public Shape getMinimumShape(int series, int column) {
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76 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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parents: 2241
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77 }
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parents: 2241
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78
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79
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parents: 2241
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80 public Paint getMaximumFillPaint(int series, int column) {
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parents: 2241
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81 Paint p = getItemPaint(series, column);
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82
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83 if (p instanceof Color) {
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parents: 2241
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84 Color c = (Color) p;
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85 Color b = c;
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86
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87 for (int i = 0; i < 2; i++) {
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parents: 2241
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88 b = b.darker();
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89 }
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parents: 2241
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90
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91 return b;
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parents: 2241
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92 }
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parents: 2241
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93
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94 logger.warn("Item paint is no instance of Color!");
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95 return p;
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96 }
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parents: 2241
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97
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98
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99 public Paint getMinimumFillPaint(int series, int column) {
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100 Paint p = getItemPaint(series, column);
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101
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parents: 2241
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102 if (p instanceof Color) {
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parents: 2241
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103 Color c = (Color) p;
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104 Color b = c;
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105
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parents: 2241
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106 for (int i = 0; i < 2; i++) {
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parents: 2241
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107 b = b.darker();
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parents: 2241
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108 }
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109
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110 return b;
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parents: 2241
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111 }
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112
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113 logger.warn("Item paint is no instance of Color!");
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114 return p;
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115 }
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116
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117
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118 /**
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119 * Overrides XYLineAndShapeRenderer.drawSecondaryPass() to call an adapted
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120 * method getItemShapeVisible() which now takes an XYDataset. So, 99% of
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121 * code equal the code in XYLineAndShapeRenderer.
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122 */
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123 @Override
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124 protected void drawSecondaryPass(
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125 Graphics2D g2,
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126 XYPlot plot,
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127 XYDataset dataset,
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128 int pass,
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129 int series,
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130 int item,
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131 ValueAxis domainAxis,
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132 Rectangle2D dataArea,
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133 ValueAxis rangeAxis,
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134 CrosshairState crosshairState,
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135 EntityCollection entities
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136 ) {
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137 Shape entityArea = null;
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138
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139 // get the data point...
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140 double x1 = dataset.getXValue(series, item);
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141 double y1 = dataset.getYValue(series, item);
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142 if (Double.isNaN(y1) || Double.isNaN(x1)) {
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143 return;
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144 }
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145
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146 PlotOrientation orientation = plot.getOrientation();
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147 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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148 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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149 double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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150 double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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151
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152 if (getItemShapeVisible(dataset, series, item)) {
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153 Shape shape = null;
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154
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155 // OPTIMIZE: instead of calculating minimum and maximum for every
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156 // point, calculate it just once (assume that dataset
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157 // content does not change during rendering).
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158 // NOTE: Above OPTIMIZE might already be fulfilled to most extend.
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159 boolean isMinimum = isMinimumShapeVisible(series)
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160 && isMinimum(dataset, series, item);
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161
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162 boolean isMaximum = isMaximumShapeVisible(series)
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163 && isMaximum(dataset, series, item);
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164
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165 if (isMinimum) {
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166 logger.debug("Create a Minimum shape.");
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167 shape = getMinimumShape(series, item);
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168 }
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169 else if (isMaximum) {
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170 logger.debug("Create a Maximum shape.");
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171 shape = getMaximumShape(series, item);
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172 }
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173 else {
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174 shape = getItemShape(series, item);
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175 }
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176
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177 if (orientation == PlotOrientation.HORIZONTAL) {
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178 shape = ShapeUtilities.createTranslatedShape(shape, transY1,
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179 transX1);
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180 }
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181 else if (orientation == PlotOrientation.VERTICAL) {
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182 shape = ShapeUtilities.createTranslatedShape(shape, transX1,
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183 transY1);
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184 }
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185 entityArea = shape;
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186 if (shape.intersects(dataArea)) {
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187 if (getItemShapeFilled(series, item)) {
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188 if (getUseFillPaint()) {
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189 g2.setPaint(getItemFillPaint(series, item));
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190 }
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191 else {
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192 g2.setPaint(getItemPaint(series, item));
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193 }
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194 g2.fill(shape);
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195 }
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196 if (getDrawOutlines()) {
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197 if (getUseOutlinePaint()) {
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198 g2.setPaint(getItemOutlinePaint(series, item));
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199 }
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200 else {
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201 g2.setPaint(getItemPaint(series, item));
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202 }
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203 g2.setStroke(getItemOutlineStroke(series, item));
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204 g2.draw(shape);
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205 }
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206
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207 if (isMinimum) {
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208 g2.setPaint(getMinimumFillPaint(series, item));
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209 g2.fill(shape);
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210 g2.setPaint(getItemOutlinePaint(series, item));
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211 g2.setStroke(getItemOutlineStroke(series, item));
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212 g2.draw(shape);
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213 }
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214 else if (isMaximum) {
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215 g2.setPaint(getMaximumFillPaint(series, item));
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216 g2.fill(shape);
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217 g2.setPaint(getItemOutlinePaint(series, item));
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218 g2.setStroke(getItemOutlineStroke(series, item));
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219 g2.draw(shape);
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220 }
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221 }
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222 // TODO labeling of waterlevels could happen here, too.
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223 } // if (getItemShapeVisible(dataset, series, item))
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224
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225 double xx = transX1;
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226 double yy = transY1;
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227 if (orientation == PlotOrientation.HORIZONTAL) {
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228 xx = transY1;
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229 yy = transX1;
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230 }
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231
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232 // draw the item label if there is one...
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233 if (isItemLabelVisible(series, item)) {
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234 drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
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235 (y1 < 0.0));
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236 }
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237
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238 boolean doWaterlevelLabel = false;
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239 if (isMinimumX (dataset, series, item)) {
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240 // TODO find name of dataset/series
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241 String waterlevelLabel = "label";
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242 // TODO Force water of some German rivers to flow direction mountains.
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243 g2.drawString("waterlevel label", (float)xx, (float)yy-3f);
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244 }
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245
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246 int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
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247 int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
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248 updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,
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249 rangeAxisIndex, transX1, transY1, orientation);
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250
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251 // add an entity for the item, but only if it falls within the data
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252 // area...
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253 if (entities != null && isPointInRect(dataArea, xx, yy)) {
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254 addEntity(entities, entityArea, dataset, series, item, xx, yy);
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255 }
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256 }
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257
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258
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259 public void setIsMinimumShapeVisisble(int series, boolean isVisible) {
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260 this.isMinimumShapeVisible.setBoolean(series, isVisible);
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261 }
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262
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263
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264 public boolean isMinimumShapeVisible(int series) {
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265 if (this.isMinimumShapeVisible.size() <= series) {
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266 return false;
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267 }
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268
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269 return isMinimumShapeVisible.getBoolean(series);
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270 }
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271
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272
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273 public void setIsMaximumShapeVisible(int series, boolean isVisible) {
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274 this.isMaximumShapeVisible.setBoolean(series, isVisible);
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275 }
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276
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277
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278 public boolean isMaximumShapeVisible(int series) {
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279 if (this.isMaximumShapeVisible.size() <= series) {
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280 return false;
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281 }
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282
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283 return isMaximumShapeVisible.getBoolean(series);
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284 }
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285
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286
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287 /**
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288 * True if the given item of given dataset has the smallest
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289 * X value within this set.
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290 */
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291 public boolean isMinimumX(XYDataset dataset, int series, int item) {
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292 return dataset.getXValue(series, item) == getMinimumX(dataset, series);
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293 }
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294
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295
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296 /**
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297 * Get Minimum X Value of a given series in a dataset.
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298 * The value is stored for later use if queried the first time.
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299 */
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300 public double getMinimumX(XYDataset dataset, int series) {
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301 Integer key = Integer.valueOf(series);
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302 Double old = seriesMinimumX.get(key);
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303
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304 if (old != null) {
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305 return old.doubleValue();
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306 }
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307
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
308 logger.debug("Compute minimum of Series: " + series);
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309
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diff changeset
310 double min = Double.MAX_VALUE;
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311
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
312 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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diff changeset
313 double tmpValue = dataset.getXValue(series, i);
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314
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
315 if (tmpValue < min) {
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diff changeset
316 min = tmpValue;
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diff changeset
317 }
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parents: 2642
diff changeset
318 }
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diff changeset
319
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
320 seriesMinimumX.put(key, Double.valueOf(min));
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321
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diff changeset
322 return min;
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parents: 2642
diff changeset
323 }
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diff changeset
324
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diff changeset
325
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diff changeset
326 /**
4b7a28e81643 Cosmetics, doc.
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diff changeset
327 * True if the given item of given dataset has the smallest
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diff changeset
328 * Y value within this set.
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diff changeset
329 */
2074
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diff changeset
330 public boolean isMinimum(XYDataset dataset, int series, int item) {
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diff changeset
331 return dataset.getYValue(series, item) == getMinimum(dataset, series);
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332 }
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333
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334
2647
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diff changeset
335 /**
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
336 * Get Minimum Y Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
337 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
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diff changeset
338 */
2074
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parents:
diff changeset
339 public double getMinimum(XYDataset dataset, int series) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
340 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
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parents: 2074
diff changeset
341 Double old = seriesMinimum.get(key);
2074
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342
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diff changeset
343 if (old != null) {
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diff changeset
344 return old.doubleValue();
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diff changeset
345 }
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346
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diff changeset
347 logger.debug("Compute minimum of Series: " + series);
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348
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diff changeset
349 double min = Double.MAX_VALUE;
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350
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
351 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
352 double tmpValue = dataset.getYValue(series, i);
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diff changeset
353
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
354 if (tmpValue < min) {
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355 min = tmpValue;
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356 }
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357 }
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358
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359 seriesMinimum.put(key, Double.valueOf(min));
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360
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361 return min;
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362 }
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363
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364
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
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365 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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366 * True if the given item of given dataset has the biggest
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367 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
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368 */
2074
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369 public boolean isMaximum(XYDataset dataset, int series, int item) {
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370 return dataset.getYValue(series, item) == getMaximum(dataset, series);
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371 }
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372
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373
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4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
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374 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
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375 * Get maximum Y Value of a given series in a dataset.
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parents: 2644
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376 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
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377 */
2074
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378 public double getMaximum(XYDataset dataset, int series) {
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379 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
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parents: 2074
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380 Double old = seriesMaximum.get(key);
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381
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382 if (old != null) {
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383 return old.doubleValue();
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384 }
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385
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386 logger.debug("Compute maximum of Series: " + series);
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387
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388 double max = -Double.MAX_VALUE;
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389
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390 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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391 double tmpValue = dataset.getYValue(series, i);
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parents:
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392
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393 if (tmpValue > max) {
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parents:
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394 max = tmpValue;
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parents:
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395 }
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parents:
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396 }
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parents:
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397
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diff changeset
398 seriesMaximum.put(key, Double.valueOf(max));
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parents:
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399
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400 return max;
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parents:
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401 }
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parents:
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402 }
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parents:
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403 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org