Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/EnhancedLineAndShapeRenderer.java @ 2656:f1dcd5f94ffa

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Parse more theme properties for linelabels. flys-artifacts/trunk@4327 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 02 May 2012 15:09:04 +0000
parents fa363aac788b
children 4d8959a4b49d
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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2
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3 import java.awt.Color;
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4 import java.awt.Graphics2D;
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parents: 2653
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5 import java.awt.Font;
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6 import java.awt.Paint;
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7 import java.awt.Shape;
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8 import java.awt.geom.Rectangle2D;
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9 import java.util.HashMap;
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10 import java.util.Map;
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11
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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12 import org.apache.log4j.Logger;
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parents:
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13
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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14 import org.jfree.chart.axis.ValueAxis;
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15 import org.jfree.chart.entity.EntityCollection;
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16 import org.jfree.chart.plot.CrosshairState;
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17 import org.jfree.chart.plot.PlotOrientation;
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18 import org.jfree.chart.plot.XYPlot;
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19 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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20 import org.jfree.data.xy.XYDataset;
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21 import org.jfree.data.xy.XYSeries;
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22 import org.jfree.data.xy.XYSeriesCollection;
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23 import org.jfree.ui.RectangleEdge;
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24 import org.jfree.util.BooleanList;
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25 import org.jfree.util.ShapeUtilities;
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26
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27 import de.intevation.flys.jfree.HasLabel;
fa363aac788b Added accidentally ommitted File in last commit.
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28
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29
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30 /**
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4b7a28e81643 Cosmetics, doc.
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31 * Renderer with additional the additional functionality of renderering minima
4b7a28e81643 Cosmetics, doc.
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parents: 2644
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32 * and/or maxima of dataseries contained in datasets.
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parents: 2591
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33 */
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34 public class EnhancedLineAndShapeRenderer extends XYLineAndShapeRenderer {
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parents:
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35
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4b7a28e81643 Cosmetics, doc.
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36 /** Own logger. */
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37 private static final Logger logger =
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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38 Logger.getLogger(EnhancedLineAndShapeRenderer.class);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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39
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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40 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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41 protected BooleanList isMaximumShapeVisible;
2648
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
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42 protected BooleanList showLineLabel;
2074
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43
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44 protected Map<Integer, Double> seriesMinimum;
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0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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45 protected Map<Integer, Double> seriesMinimumX;
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46 protected Map<Integer, Double> seriesMaximum;
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47
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48 protected Map<Integer, Font> lineLabelFonts;
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49
2074
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50
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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51 public EnhancedLineAndShapeRenderer(boolean lines, boolean shapes) {
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52 super(lines, shapes);
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53 this.isMinimumShapeVisible = new BooleanList();
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54 this.isMaximumShapeVisible = new BooleanList();
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parents: 2647
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55 this.showLineLabel = new BooleanList();
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56 this.seriesMinimum = new HashMap<Integer, Double>();
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57 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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58 this.seriesMinimumX = new HashMap<Integer, Double>();
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parents: 2653
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59 this.lineLabelFonts = new HashMap<Integer, Font>();
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60 }
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61
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parents:
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62
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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63 public boolean getItemShapeVisible(XYDataset dataset, int series, int item){
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64 if (super.getItemShapeVisible(series, item)) {
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65 return true;
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66 }
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67
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68 if (isMinimumShapeVisible(series) && isMinimum(dataset, series, item)) {
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parents:
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69 return true;
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70 }
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parents:
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71
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72 if (isMaximumShapeVisible(series) && isMaximum(dataset, series, item)) {
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73 return true;
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74 }
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parents:
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75
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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76 return false;
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parents:
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77 }
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parents:
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78
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79
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80 public Shape getMaximumShape(int series, int column) {
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81 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
74c02dbf17ca #523 Improved the look of minimum and maximum shapes in chart series.
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parents: 2241
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82 }
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parents: 2241
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83
74c02dbf17ca #523 Improved the look of minimum and maximum shapes in chart series.
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parents: 2241
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84
74c02dbf17ca #523 Improved the look of minimum and maximum shapes in chart series.
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parents: 2241
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85 public Shape getMinimumShape(int series, int column) {
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parents: 2241
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86 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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parents: 2241
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87 }
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parents: 2241
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88
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89
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90 public Paint getMaximumFillPaint(int series, int column) {
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91 Paint p = getItemPaint(series, column);
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92
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93 if (p instanceof Color) {
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94 Color c = (Color) p;
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95 Color b = c;
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96
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97 for (int i = 0; i < 2; i++) {
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98 b = b.darker();
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99 }
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100
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101 return b;
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parents: 2241
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102 }
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103
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104 logger.warn("Item paint is no instance of Color!");
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105 return p;
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106 }
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107
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108
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109 public Paint getMinimumFillPaint(int series, int column) {
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110 Paint p = getItemPaint(series, column);
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111
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112 if (p instanceof Color) {
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parents: 2241
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113 Color c = (Color) p;
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114 Color b = c;
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115
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116 for (int i = 0; i < 2; i++) {
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117 b = b.darker();
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118 }
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119
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120 return b;
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121 }
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122
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123 logger.warn("Item paint is no instance of Color!");
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124 return p;
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125 }
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126
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127
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128 /**
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129 * Overrides XYLineAndShapeRenderer.drawSecondaryPass() to call an adapted
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130 * method getItemShapeVisible() which now takes an XYDataset. So, 99% of
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131 * code equal the code in XYLineAndShapeRenderer.
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132 */
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133 @Override
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134 protected void drawSecondaryPass(
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135 Graphics2D g2,
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136 XYPlot plot,
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137 XYDataset dataset,
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138 int pass,
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139 int series,
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140 int item,
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141 ValueAxis domainAxis,
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142 Rectangle2D dataArea,
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143 ValueAxis rangeAxis,
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144 CrosshairState crosshairState,
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145 EntityCollection entities
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146 ) {
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147 Shape entityArea = null;
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148
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149 // get the data point...
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150 double x1 = dataset.getXValue(series, item);
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151 double y1 = dataset.getYValue(series, item);
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152 if (Double.isNaN(y1) || Double.isNaN(x1)) {
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153 return;
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154 }
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155
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156 PlotOrientation orientation = plot.getOrientation();
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157 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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158 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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159 double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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160 double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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161
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162 if (getItemShapeVisible(dataset, series, item)) {
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163 Shape shape = null;
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164
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165 // OPTIMIZE: instead of calculating minimum and maximum for every
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166 // point, calculate it just once (assume that dataset
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167 // content does not change during rendering).
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168 // NOTE: Above OPTIMIZE might already be fulfilled to most extend.
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169 boolean isMinimum = isMinimumShapeVisible(series)
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170 && isMinimum(dataset, series, item);
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171
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172 boolean isMaximum = isMaximumShapeVisible(series)
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173 && isMaximum(dataset, series, item);
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174
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175 if (isMinimum) {
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176 logger.debug("Create a Minimum shape.");
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177 shape = getMinimumShape(series, item);
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178 }
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179 else if (isMaximum) {
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180 logger.debug("Create a Maximum shape.");
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181 shape = getMaximumShape(series, item);
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182 }
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183 else {
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184 shape = getItemShape(series, item);
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185 }
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186
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187 if (orientation == PlotOrientation.HORIZONTAL) {
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188 shape = ShapeUtilities.createTranslatedShape(shape, transY1,
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189 transX1);
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190 }
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191 else if (orientation == PlotOrientation.VERTICAL) {
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192 shape = ShapeUtilities.createTranslatedShape(shape, transX1,
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193 transY1);
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194 }
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195 entityArea = shape;
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196 if (shape.intersects(dataArea)) {
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197 if (getItemShapeFilled(series, item)) {
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198 if (getUseFillPaint()) {
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199 g2.setPaint(getItemFillPaint(series, item));
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200 }
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201 else {
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202 g2.setPaint(getItemPaint(series, item));
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203 }
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204 g2.fill(shape);
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205 }
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206 if (getDrawOutlines()) {
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207 if (getUseOutlinePaint()) {
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208 g2.setPaint(getItemOutlinePaint(series, item));
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209 }
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210 else {
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211 g2.setPaint(getItemPaint(series, item));
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212 }
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213 g2.setStroke(getItemOutlineStroke(series, item));
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214 g2.draw(shape);
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215 }
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216
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217 if (isMinimum) {
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218 g2.setPaint(getMinimumFillPaint(series, item));
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219 g2.fill(shape);
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220 g2.setPaint(getItemOutlinePaint(series, item));
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221 g2.setStroke(getItemOutlineStroke(series, item));
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222 g2.draw(shape);
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223 }
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224 else if (isMaximum) {
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225 g2.setPaint(getMaximumFillPaint(series, item));
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226 g2.fill(shape);
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227 g2.setPaint(getItemOutlinePaint(series, item));
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228 g2.setStroke(getItemOutlineStroke(series, item));
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229 g2.draw(shape);
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230 }
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231 }
2642
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232 // TODO labeling of waterlevels could happen here, too.
2644
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233 } // if (getItemShapeVisible(dataset, series, item))
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234
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235 double xx = transX1;
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236 double yy = transY1;
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237 if (orientation == PlotOrientation.HORIZONTAL) {
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238 xx = transY1;
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239 yy = transX1;
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240 }
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241
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242 // draw the item label if there is one...
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243 if (isItemLabelVisible(series, item)) {
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244 drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
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245 (y1 < 0.0));
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246 }
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247
2649
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248 // Draw label of line.
2648
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249 if (isShowLineLabel(series) && isMinimumX (dataset, series, item)) {
2653
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250 XYSeries xYSeries = ((XYSeriesCollection) dataset).getSeries(series);
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251 String waterlevelLabel = (xYSeries instanceof HasLabel)
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252 ? ((HasLabel)xYSeries).getLabel()
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253 : xYSeries.getKey().toString();
2644
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254 // TODO Force water of some German rivers to flow direction mountains.
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255 g2.drawString(waterlevelLabel, (float)xx, (float)yy-3f);
2644
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256 }
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257
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258 int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
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259 int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
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260 updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,
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261 rangeAxisIndex, transX1, transY1, orientation);
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262
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263 // add an entity for the item, but only if it falls within the data
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264 // area...
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265 if (entities != null && isPointInRect(dataArea, xx, yy)) {
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266 addEntity(entities, entityArea, dataset, series, item, xx, yy);
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267 }
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268 }
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269
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270
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271 public void setIsMinimumShapeVisisble(int series, boolean isVisible) {
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272 this.isMinimumShapeVisible.setBoolean(series, isVisible);
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273 }
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274
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275
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276 public boolean isMinimumShapeVisible(int series) {
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277 if (this.isMinimumShapeVisible.size() <= series) {
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278 return false;
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279 }
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280
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281 return isMinimumShapeVisible.getBoolean(series);
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282 }
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283
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284
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285 public void setIsMaximumShapeVisible(int series, boolean isVisible) {
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286 this.isMaximumShapeVisible.setBoolean(series, isVisible);
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287 }
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288
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289
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290 public boolean isMaximumShapeVisible(int series) {
2241
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291 if (this.isMaximumShapeVisible.size() <= series) {
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292 return false;
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293 }
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294
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295 return isMaximumShapeVisible.getBoolean(series);
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296 }
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297
2648
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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298 /** Whether or not a label should be shown for series. */
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
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299 public boolean isShowLineLabel(int series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
300 if (this.showLineLabel.size() <= series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
301 return false;
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
302 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
303
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
304 return showLineLabel.getBoolean(series);
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
305 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
306
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
307
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
308 /** Sets whether or not a label should be shown for series. */
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
309 public void setShowLineLabel(boolean showLineLabel, int series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
310 this.showLineLabel.setBoolean(series, showLineLabel);
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
311 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
312
2656
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
313 public void setLineLabelFont(Font font, int series) {
f1dcd5f94ffa Parse more theme properties for linelabels.
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diff changeset
314 this.lineLabelFonts.put(series, font);
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parents: 2653
diff changeset
315 }
f1dcd5f94ffa Parse more theme properties for linelabels.
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diff changeset
316
f1dcd5f94ffa Parse more theme properties for linelabels.
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diff changeset
317 public Font getLineLabelFont(int series) {
f1dcd5f94ffa Parse more theme properties for linelabels.
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diff changeset
318 return this.lineLabelFonts.get(series);
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parents: 2653
diff changeset
319 }
f1dcd5f94ffa Parse more theme properties for linelabels.
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diff changeset
320
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321
2647
4b7a28e81643 Cosmetics, doc.
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diff changeset
322 /**
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
323 * True if the given item of given dataset has the smallest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
324 * X value within this set.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
325 */
2644
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parents: 2642
diff changeset
326 public boolean isMinimumX(XYDataset dataset, int series, int item) {
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parents: 2642
diff changeset
327 return dataset.getXValue(series, item) == getMinimumX(dataset, series);
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parents: 2642
diff changeset
328 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
329
2647
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
330
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
331 /**
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
332 * Get Minimum X Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
333 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
334 */
2644
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diff changeset
335 public double getMinimumX(XYDataset dataset, int series) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
336 Integer key = Integer.valueOf(series);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
337 Double old = seriesMinimumX.get(key);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
338
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
339 if (old != null) {
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parents: 2642
diff changeset
340 return old.doubleValue();
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parents: 2642
diff changeset
341 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
342
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parents: 2642
diff changeset
343 logger.debug("Compute minimum of Series: " + series);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
344
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
345 double min = Double.MAX_VALUE;
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parents: 2642
diff changeset
346
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
347 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
348 double tmpValue = dataset.getXValue(series, i);
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parents: 2642
diff changeset
349
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
350 if (tmpValue < min) {
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parents: 2642
diff changeset
351 min = tmpValue;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
352 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
353 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
354
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
355 seriesMinimumX.put(key, Double.valueOf(min));
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
356
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
357 return min;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
358 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
359
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
360
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
361 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
362 * True if the given item of given dataset has the smallest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
363 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
364 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
365 public boolean isMinimum(XYDataset dataset, int series, int item) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
366 return dataset.getYValue(series, item) == getMinimum(dataset, series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
367 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
368
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
369
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
370 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
371 * Get Minimum Y Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
372 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
373 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
374 public double getMinimum(XYDataset dataset, int series) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
375 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2074
diff changeset
376 Double old = seriesMinimum.get(key);
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
377
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
378 if (old != null) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
379 return old.doubleValue();
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
380 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
381
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
382 logger.debug("Compute minimum of Series: " + series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
383
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
384 double min = Double.MAX_VALUE;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
385
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
386 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
387 double tmpValue = dataset.getYValue(series, i);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
388
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
389 if (tmpValue < min) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
390 min = tmpValue;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
391 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
392 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
393
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
394 seriesMinimum.put(key, Double.valueOf(min));
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
395
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
396 return min;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
397 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
398
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
399
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
400 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
401 * True if the given item of given dataset has the biggest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
402 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
403 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
404 public boolean isMaximum(XYDataset dataset, int series, int item) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
405 return dataset.getYValue(series, item) == getMaximum(dataset, series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
406 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
407
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
408
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
409 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
410 * Get maximum Y Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
411 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
412 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
413 public double getMaximum(XYDataset dataset, int series) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
414 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2074
diff changeset
415 Double old = seriesMaximum.get(key);
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
416
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
417 if (old != null) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
418 return old.doubleValue();
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
419 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
420
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
421 logger.debug("Compute maximum of Series: " + series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
422
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
423 double max = -Double.MAX_VALUE;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
424
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
425 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
426 double tmpValue = dataset.getYValue(series, i);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
427
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
428 if (tmpValue > max) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
429 max = tmpValue;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
430 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
431 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
432
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
433 seriesMaximum.put(key, Double.valueOf(max));
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
434
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
435 return max;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org