Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/EnhancedLineAndShapeRenderer.java @ 2644:0a84313efe60

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Stub for labeling dataseries in EnhancedLineAndShapeRenerer. flys-artifacts/trunk@4299 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 25 Apr 2012 15:15:39 +0000
parents 42b05a4bed25
children 4b7a28e81643
rev   line source
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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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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5 import java.awt.Paint;
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6 import java.awt.Shape;
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7 import java.awt.geom.Rectangle2D;
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8 import java.util.HashMap;
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9 import java.util.Map;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import org.jfree.chart.axis.ValueAxis;
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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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16 import org.jfree.chart.plot.PlotOrientation;
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17 import org.jfree.chart.plot.XYPlot;
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18 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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19 import org.jfree.data.xy.XYDataset;
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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.
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parents: 2591
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24 /**
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parents: 2591
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25 * Renderer with additional functionality.
42b05a4bed25 Cosmetics, added doc, TODO and OPTIMIZE to Enhanced*Renderer.
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parents: 2591
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26 */
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27 public class EnhancedLineAndShapeRenderer extends XYLineAndShapeRenderer {
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28
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29 private static final Logger logger =
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30 Logger.getLogger(EnhancedLineAndShapeRenderer.class);
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31
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32 protected BooleanList isMinimumShapeVisible;
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33 protected BooleanList isMaximumShapeVisible;
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34
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35 protected Map<Integer, Double> seriesMinimum;
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0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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36 protected Map<Integer, Double> seriesMinimumX;
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37 protected Map<Integer, Double> seriesMaximum;
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38
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39
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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40 public EnhancedLineAndShapeRenderer(boolean lines, boolean shapes) {
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41 super(lines, shapes);
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42 this.isMinimumShapeVisible = new BooleanList();
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43 this.isMaximumShapeVisible = new BooleanList();
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44 this.seriesMinimum = new HashMap<Integer, Double>();
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45 this.seriesMaximum = new HashMap<Integer, Double>();
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46 this.seriesMinimumX = new HashMap<Integer, Double>();
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47 }
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48
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49
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50 public boolean getItemShapeVisible(XYDataset dataset, int series, int item){
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51 if (super.getItemShapeVisible(series, item)) {
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52 return true;
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53 }
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54
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55 if (isMinimumShapeVisible(series) && isMinimum(dataset, series, item)) {
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56 return true;
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57 }
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58
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59 if (isMaximumShapeVisible(series) && isMaximum(dataset, series, item)) {
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60 return true;
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61 }
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62
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63 return false;
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64 }
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65
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66
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67 public Shape getMaximumShape(int series, int column) {
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68 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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69 }
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70
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71
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72 public Shape getMinimumShape(int series, int column) {
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73 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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74 }
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75
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76
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77 public Paint getMaximumFillPaint(int series, int column) {
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78 Paint p = getItemPaint(series, column);
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79
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80 if (p instanceof Color) {
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81 Color c = (Color) p;
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82 Color b = c;
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83
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84 for (int i = 0; i < 2; i++) {
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85 b = b.darker();
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86 }
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87
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88 return b;
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89 }
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90
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91 logger.warn("Item paint is no instance of Color!");
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92 return p;
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93 }
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94
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95
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96 public Paint getMinimumFillPaint(int series, int column) {
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97 Paint p = getItemPaint(series, column);
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98
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99 if (p instanceof Color) {
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100 Color c = (Color) p;
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101 Color b = c;
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102
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103 for (int i = 0; i < 2; i++) {
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104 b = b.darker();
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105 }
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106
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107 return b;
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108 }
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109
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110 logger.warn("Item paint is no instance of Color!");
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111 return p;
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112 }
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113
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114
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115 /**
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116 * Overrides XYLineAndShapeRenderer.drawSecondaryPass() to call an adapted
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117 * method getItemShapeVisible() which now takes an XYDataset. So, 99% of
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118 * code equal the code in XYLineAndShapeRenderer.
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119 */
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120 @Override
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121 protected void drawSecondaryPass(
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122 Graphics2D g2,
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123 XYPlot plot,
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124 XYDataset dataset,
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125 int pass,
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126 int series,
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127 int item,
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128 ValueAxis domainAxis,
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129 Rectangle2D dataArea,
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130 ValueAxis rangeAxis,
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131 CrosshairState crosshairState,
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132 EntityCollection entities
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133 ) {
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134 Shape entityArea = null;
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135
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136 // get the data point...
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137 double x1 = dataset.getXValue(series, item);
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138 double y1 = dataset.getYValue(series, item);
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139 if (Double.isNaN(y1) || Double.isNaN(x1)) {
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140 return;
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141 }
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142
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143 PlotOrientation orientation = plot.getOrientation();
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144 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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145 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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146 double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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147 double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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148
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149 if (getItemShapeVisible(dataset, series, item)) {
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150 Shape shape = null;
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151
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152 // OPTIMIZE: instead of calculating minimum and maximum for every
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153 // point, calculate it just once (assume that dataset
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154 // content does not change during rendering).
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155 // NOTE: Above OPTIMIZE might already be fulfilled to most extend.
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156 boolean isMinimum = isMinimumShapeVisible(series)
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157 && isMinimum(dataset, series, item);
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158
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159 boolean isMaximum = isMaximumShapeVisible(series)
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160 && isMaximum(dataset, series, item);
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161
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162 if (isMinimum) {
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163 logger.debug("Create a Minimum shape.");
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164 shape = getMinimumShape(series, item);
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165 }
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166 else if (isMaximum) {
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167 logger.debug("Create a Maximum shape.");
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168 shape = getMaximumShape(series, item);
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169 }
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170 else {
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171 shape = getItemShape(series, item);
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172 }
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173
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174 if (orientation == PlotOrientation.HORIZONTAL) {
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175 shape = ShapeUtilities.createTranslatedShape(shape, transY1,
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176 transX1);
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177 }
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178 else if (orientation == PlotOrientation.VERTICAL) {
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179 shape = ShapeUtilities.createTranslatedShape(shape, transX1,
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180 transY1);
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181 }
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182 entityArea = shape;
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183 if (shape.intersects(dataArea)) {
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184 if (getItemShapeFilled(series, item)) {
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185 if (getUseFillPaint()) {
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186 g2.setPaint(getItemFillPaint(series, item));
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187 }
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188 else {
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189 g2.setPaint(getItemPaint(series, item));
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190 }
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191 g2.fill(shape);
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192 }
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193 if (getDrawOutlines()) {
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194 if (getUseOutlinePaint()) {
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195 g2.setPaint(getItemOutlinePaint(series, item));
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196 }
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197 else {
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198 g2.setPaint(getItemPaint(series, item));
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199 }
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200 g2.setStroke(getItemOutlineStroke(series, item));
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201 g2.draw(shape);
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202 }
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203
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204 if (isMinimum) {
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205 g2.setPaint(getMinimumFillPaint(series, item));
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206 g2.fill(shape);
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207 g2.setPaint(getItemOutlinePaint(series, item));
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208 g2.setStroke(getItemOutlineStroke(series, item));
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209 g2.draw(shape);
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210 }
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211 else if (isMaximum) {
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212 g2.setPaint(getMaximumFillPaint(series, item));
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213 g2.fill(shape);
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214 g2.setPaint(getItemOutlinePaint(series, item));
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215 g2.setStroke(getItemOutlineStroke(series, item));
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216 g2.draw(shape);
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217 }
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218 }
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219 // TODO labeling of waterlevels could happen here, too.
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220 } // if (getItemShapeVisible(dataset, series, item))
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221
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222 double xx = transX1;
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223 double yy = transY1;
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224 if (orientation == PlotOrientation.HORIZONTAL) {
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225 xx = transY1;
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226 yy = transX1;
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227 }
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228
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229 // draw the item label if there is one...
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230 if (isItemLabelVisible(series, item)) {
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231 drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
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232 (y1 < 0.0));
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233 }
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234
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235 boolean doWaterlevelLabel = false;
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236 if (isMinimumX (dataset, series, item)) {
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237 String waterlevelLabel = "label";
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238 // TODO Force water of some German rivers to flow direction mountains.
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239 g2.drawString("waterlevel label", (float)xx, (float)yy-3f);
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240 }
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241
2074
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242 int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
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243 int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
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244 updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,
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245 rangeAxisIndex, transX1, transY1, orientation);
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246
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247 // add an entity for the item, but only if it falls within the data
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248 // area...
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249 if (entities != null && isPointInRect(dataArea, xx, yy)) {
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250 addEntity(entities, entityArea, dataset, series, item, xx, yy);
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251 }
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252 }
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253
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254
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255 public void setIsMinimumShapeVisisble(int series, boolean isVisible) {
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256 this.isMinimumShapeVisible.setBoolean(series, isVisible);
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257 }
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258
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259
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260 public boolean isMinimumShapeVisible(int series) {
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261 if (this.isMinimumShapeVisible.size() <= series) {
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262 return false;
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263 }
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264
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265 return isMinimumShapeVisible.getBoolean(series);
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266 }
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267
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268
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269 public void setIsMaximumShapeVisible(int series, boolean isVisible) {
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270 this.isMaximumShapeVisible.setBoolean(series, isVisible);
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271 }
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272
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273
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274 public boolean isMaximumShapeVisible(int series) {
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275 if (this.isMaximumShapeVisible.size() <= series) {
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276 return false;
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277 }
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278
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279 return isMaximumShapeVisible.getBoolean(series);
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280 }
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281
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282
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283 public boolean isMinimumX(XYDataset dataset, int series, int item) {
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284 return dataset.getXValue(series, item) == getMinimumX(dataset, series);
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285 }
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286
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287 public double getMinimumX(XYDataset dataset, int series) {
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288 Integer key = Integer.valueOf(series);
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289 Double old = seriesMinimumX.get(key);
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290
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291 if (old != null) {
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292 return old.doubleValue();
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293 }
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294
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295 logger.debug("Compute minimum of Series: " + series);
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296
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297 double min = Double.MAX_VALUE;
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298
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diff changeset
299 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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diff changeset
300 double tmpValue = dataset.getXValue(series, i);
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301
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diff changeset
302 if (tmpValue < min) {
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diff changeset
303 min = tmpValue;
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diff changeset
304 }
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diff changeset
305 }
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306
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
307 seriesMinimumX.put(key, Double.valueOf(min));
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308
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diff changeset
309 return min;
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diff changeset
310 }
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311
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312 public boolean isMinimum(XYDataset dataset, int series, int item) {
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313 return dataset.getYValue(series, item) == getMinimum(dataset, series);
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314 }
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315
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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316
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
317 public double getMinimum(XYDataset dataset, int series) {
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diff changeset
318 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
319 Double old = seriesMinimum.get(key);
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320
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
321 if (old != null) {
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diff changeset
322 return old.doubleValue();
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parents:
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323 }
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diff changeset
324
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
325 logger.debug("Compute minimum of Series: " + series);
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326
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
327 double min = Double.MAX_VALUE;
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parents:
diff changeset
328
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
329 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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parents:
diff changeset
330 double tmpValue = dataset.getYValue(series, i);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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331
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
332 if (tmpValue < min) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
333 min = tmpValue;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
334 }
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parents:
diff changeset
335 }
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336
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
337 seriesMinimum.put(key, Double.valueOf(min));
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338
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
339 return min;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
340 }
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341
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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342
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
343 public boolean isMaximum(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:
diff changeset
344 return dataset.getYValue(series, item) == getMaximum(dataset, series);
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parents:
diff changeset
345 }
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parents:
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346
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
347
2644
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
348 //
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
349 public double getMaximum(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
350 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
351 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:
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352
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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353 if (old != null) {
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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354 return old.doubleValue();
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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355 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
356
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
357 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
358
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
359 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
360
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
361 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
362 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
363
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
364 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
365 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
366 }
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 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
370
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
371 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
372 }
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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373 }
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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374 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org