Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/EnhancedLineAndShapeRenderer.java @ 2653:fa363aac788b

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Added accidentally ommitted File in last commit. flys-artifacts/trunk@4319 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 27 Apr 2012 09:58:59 +0000
parents 6f5fc3de0d48
children f1dcd5f94ffa
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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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.data.xy.XYSeries;
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21 import org.jfree.data.xy.XYSeriesCollection;
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22 import org.jfree.ui.RectangleEdge;
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23 import org.jfree.util.BooleanList;
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24 import org.jfree.util.ShapeUtilities;
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25
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26 import de.intevation.flys.jfree.HasLabel;
fa363aac788b Added accidentally ommitted File in last commit.
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27
fa363aac788b Added accidentally ommitted File in last commit.
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28
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29 /**
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4b7a28e81643 Cosmetics, doc.
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30 * Renderer with additional the additional functionality of renderering minima
4b7a28e81643 Cosmetics, doc.
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31 * and/or maxima of dataseries contained in datasets.
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32 */
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33 public class EnhancedLineAndShapeRenderer extends XYLineAndShapeRenderer {
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34
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35 /** Own logger. */
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36 private static final Logger logger =
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37 Logger.getLogger(EnhancedLineAndShapeRenderer.class);
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38
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39 protected BooleanList isMinimumShapeVisible;
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40 protected BooleanList isMaximumShapeVisible;
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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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41 protected BooleanList showLineLabel;
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42
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43 protected Map<Integer, Double> seriesMinimum;
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44 protected Map<Integer, Double> seriesMinimumX;
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45 protected Map<Integer, Double> seriesMaximum;
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46
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47
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48 public EnhancedLineAndShapeRenderer(boolean lines, boolean shapes) {
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49 super(lines, shapes);
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50 this.isMinimumShapeVisible = new BooleanList();
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51 this.isMaximumShapeVisible = new BooleanList();
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52 this.showLineLabel = new BooleanList();
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53 this.seriesMinimum = new HashMap<Integer, Double>();
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54 this.seriesMaximum = new HashMap<Integer, Double>();
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55 this.seriesMinimumX = new HashMap<Integer, Double>();
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56 }
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57
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58
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59 public boolean getItemShapeVisible(XYDataset dataset, int series, int item){
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60 if (super.getItemShapeVisible(series, item)) {
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61 return true;
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62 }
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63
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64 if (isMinimumShapeVisible(series) && isMinimum(dataset, 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 (isMaximumShapeVisible(series) && isMaximum(dataset, series, item)) {
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69 return true;
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70 }
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71
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72 return false;
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73 }
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74
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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75
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76 public Shape getMaximumShape(int series, int column) {
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77 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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78 }
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79
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80
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81 public Shape getMinimumShape(int series, int column) {
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82 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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83 }
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parents: 2241
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84
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85
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86 public Paint getMaximumFillPaint(int series, int column) {
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87 Paint p = getItemPaint(series, column);
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88
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89 if (p instanceof Color) {
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90 Color c = (Color) p;
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91 Color b = c;
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92
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93 for (int i = 0; i < 2; i++) {
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94 b = b.darker();
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95 }
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96
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97 return b;
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98 }
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99
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100 logger.warn("Item paint is no instance of Color!");
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101 return p;
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102 }
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103
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104
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105 public Paint getMinimumFillPaint(int series, int column) {
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106 Paint p = getItemPaint(series, column);
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107
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108 if (p instanceof Color) {
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parents: 2241
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109 Color c = (Color) p;
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110 Color b = c;
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111
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112 for (int i = 0; i < 2; i++) {
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113 b = b.darker();
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114 }
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115
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116 return b;
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117 }
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118
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119 logger.warn("Item paint is no instance of Color!");
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120 return p;
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121 }
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122
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123
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124 /**
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125 * Overrides XYLineAndShapeRenderer.drawSecondaryPass() to call an adapted
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126 * method getItemShapeVisible() which now takes an XYDataset. So, 99% of
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127 * code equal the code in XYLineAndShapeRenderer.
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128 */
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129 @Override
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130 protected void drawSecondaryPass(
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131 Graphics2D g2,
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132 XYPlot plot,
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133 XYDataset dataset,
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134 int pass,
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135 int series,
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136 int item,
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137 ValueAxis domainAxis,
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138 Rectangle2D dataArea,
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139 ValueAxis rangeAxis,
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140 CrosshairState crosshairState,
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141 EntityCollection entities
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142 ) {
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143 Shape entityArea = null;
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144
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145 // get the data point...
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146 double x1 = dataset.getXValue(series, item);
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147 double y1 = dataset.getYValue(series, item);
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148 if (Double.isNaN(y1) || Double.isNaN(x1)) {
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149 return;
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150 }
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151
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152 PlotOrientation orientation = plot.getOrientation();
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153 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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154 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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155 double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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156 double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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157
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158 if (getItemShapeVisible(dataset, series, item)) {
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159 Shape shape = null;
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160
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161 // OPTIMIZE: instead of calculating minimum and maximum for every
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162 // point, calculate it just once (assume that dataset
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163 // content does not change during rendering).
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164 // NOTE: Above OPTIMIZE might already be fulfilled to most extend.
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165 boolean isMinimum = isMinimumShapeVisible(series)
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166 && isMinimum(dataset, series, item);
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167
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168 boolean isMaximum = isMaximumShapeVisible(series)
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169 && isMaximum(dataset, series, item);
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170
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171 if (isMinimum) {
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172 logger.debug("Create a Minimum shape.");
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173 shape = getMinimumShape(series, item);
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174 }
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175 else if (isMaximum) {
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176 logger.debug("Create a Maximum shape.");
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177 shape = getMaximumShape(series, item);
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178 }
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179 else {
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180 shape = getItemShape(series, item);
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181 }
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182
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183 if (orientation == PlotOrientation.HORIZONTAL) {
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184 shape = ShapeUtilities.createTranslatedShape(shape, transY1,
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185 transX1);
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186 }
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187 else if (orientation == PlotOrientation.VERTICAL) {
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188 shape = ShapeUtilities.createTranslatedShape(shape, transX1,
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189 transY1);
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190 }
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191 entityArea = shape;
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192 if (shape.intersects(dataArea)) {
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193 if (getItemShapeFilled(series, item)) {
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194 if (getUseFillPaint()) {
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195 g2.setPaint(getItemFillPaint(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.fill(shape);
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201 }
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202 if (getDrawOutlines()) {
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203 if (getUseOutlinePaint()) {
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204 g2.setPaint(getItemOutlinePaint(series, item));
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205 }
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206 else {
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207 g2.setPaint(getItemPaint(series, item));
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208 }
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209 g2.setStroke(getItemOutlineStroke(series, item));
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210 g2.draw(shape);
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211 }
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212
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213 if (isMinimum) {
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214 g2.setPaint(getMinimumFillPaint(series, item));
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215 g2.fill(shape);
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216 g2.setPaint(getItemOutlinePaint(series, item));
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217 g2.setStroke(getItemOutlineStroke(series, item));
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218 g2.draw(shape);
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219 }
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220 else if (isMaximum) {
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221 g2.setPaint(getMaximumFillPaint(series, item));
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222 g2.fill(shape);
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223 g2.setPaint(getItemOutlinePaint(series, item));
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224 g2.setStroke(getItemOutlineStroke(series, item));
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225 g2.draw(shape);
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226 }
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227 }
2642
42b05a4bed25 Cosmetics, added doc, TODO and OPTIMIZE to Enhanced*Renderer.
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228 // TODO labeling of waterlevels could happen here, too.
2644
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229 } // if (getItemShapeVisible(dataset, series, item))
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230
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231 double xx = transX1;
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232 double yy = transY1;
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diff changeset
233 if (orientation == PlotOrientation.HORIZONTAL) {
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diff changeset
234 xx = transY1;
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235 yy = transX1;
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236 }
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237
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238 // draw the item label if there is one...
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diff changeset
239 if (isItemLabelVisible(series, item)) {
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diff changeset
240 drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
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diff changeset
241 (y1 < 0.0));
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242 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
243
2649
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244 // Draw label of line.
2648
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245 if (isShowLineLabel(series) && isMinimumX (dataset, series, item)) {
2653
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diff changeset
246 XYSeries xYSeries = ((XYSeriesCollection) dataset).getSeries(series);
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247 String waterlevelLabel = (xYSeries instanceof HasLabel)
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diff changeset
248 ? ((HasLabel)xYSeries).getLabel()
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249 : xYSeries.getKey().toString();
2644
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250 // TODO Force water of some German rivers to flow direction mountains.
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diff changeset
251 g2.drawString(waterlevelLabel, (float)xx, (float)yy-3f);
2644
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252 }
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253
2074
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254 int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
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255 int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
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256 updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,
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257 rangeAxisIndex, transX1, transY1, orientation);
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258
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259 // add an entity for the item, but only if it falls within the data
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260 // area...
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261 if (entities != null && isPointInRect(dataArea, xx, yy)) {
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262 addEntity(entities, entityArea, dataset, series, item, xx, yy);
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263 }
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264 }
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265
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266
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267 public void setIsMinimumShapeVisisble(int series, boolean isVisible) {
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268 this.isMinimumShapeVisible.setBoolean(series, isVisible);
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269 }
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270
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271
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272 public boolean isMinimumShapeVisible(int series) {
2241
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273 if (this.isMinimumShapeVisible.size() <= series) {
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274 return false;
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275 }
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276
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277 return isMinimumShapeVisible.getBoolean(series);
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278 }
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279
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280
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diff changeset
281 public void setIsMaximumShapeVisible(int series, boolean isVisible) {
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diff changeset
282 this.isMaximumShapeVisible.setBoolean(series, isVisible);
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283 }
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284
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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285
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
286 public boolean isMaximumShapeVisible(int series) {
2241
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parents: 2075
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287 if (this.isMaximumShapeVisible.size() <= series) {
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288 return false;
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parents: 2075
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289 }
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290
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291 return isMaximumShapeVisible.getBoolean(series);
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parents:
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292 }
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293
2648
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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294 /** 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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295 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
296 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
297 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
298 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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299
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
300 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
301 }
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
302
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
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 /** 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
305 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
306 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
307 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
308
2074
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309
2647
4b7a28e81643 Cosmetics, doc.
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diff changeset
310 /**
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
311 * True if the given item of given dataset has the smallest
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
312 * X value within this set.
4b7a28e81643 Cosmetics, doc.
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diff changeset
313 */
2644
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
314 public boolean isMinimumX(XYDataset dataset, int series, int item) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
315 return dataset.getXValue(series, item) == getMinimumX(dataset, series);
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parents: 2642
diff changeset
316 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
317
2647
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diff changeset
318
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
319 /**
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
320 * Get Minimum X Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
321 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
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parents: 2644
diff changeset
322 */
2644
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parents: 2642
diff changeset
323 public double getMinimumX(XYDataset dataset, int series) {
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parents: 2642
diff changeset
324 Integer key = Integer.valueOf(series);
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parents: 2642
diff changeset
325 Double old = seriesMinimumX.get(key);
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diff changeset
326
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
327 if (old != null) {
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parents: 2642
diff changeset
328 return old.doubleValue();
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parents: 2642
diff changeset
329 }
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diff changeset
330
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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diff changeset
331 logger.debug("Compute minimum of Series: " + series);
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parents: 2642
diff changeset
332
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
333 double min = Double.MAX_VALUE;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
334
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
335 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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parents: 2642
diff changeset
336 double tmpValue = dataset.getXValue(series, i);
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parents: 2642
diff changeset
337
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
338 if (tmpValue < min) {
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parents: 2642
diff changeset
339 min = tmpValue;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
340 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
341 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
342
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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parents: 2642
diff changeset
343 seriesMinimumX.put(key, Double.valueOf(min));
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 return min;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
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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
2647
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parents: 2644
diff changeset
348
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parents: 2644
diff changeset
349 /**
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parents: 2644
diff changeset
350 * True if the given item of given dataset has the smallest
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
351 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
352 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
353 public boolean isMinimum(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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354 return dataset.getYValue(series, item) == getMinimum(dataset, series);
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355 }
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356
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357
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358 /**
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359 * Get Minimum Y Value of a given series in a dataset.
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360 * The value is stored for later use if queried the first time.
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361 */
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362 public double getMinimum(XYDataset dataset, int series) {
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363 Integer key = Integer.valueOf(series);
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364 Double old = seriesMinimum.get(key);
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365
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366 if (old != null) {
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367 return old.doubleValue();
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368 }
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369
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370 logger.debug("Compute minimum of Series: " + series);
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371
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372 double min = Double.MAX_VALUE;
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373
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374 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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375 double tmpValue = dataset.getYValue(series, i);
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376
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377 if (tmpValue < min) {
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378 min = tmpValue;
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379 }
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380 }
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381
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382 seriesMinimum.put(key, Double.valueOf(min));
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383
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384 return min;
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385 }
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386
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387
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388 /**
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389 * True if the given item of given dataset has the biggest
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390 * Y value within this set.
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391 */
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392 public boolean isMaximum(XYDataset dataset, int series, int item) {
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393 return dataset.getYValue(series, item) == getMaximum(dataset, series);
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394 }
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395
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396
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397 /**
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398 * Get maximum Y Value of a given series in a dataset.
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399 * The value is stored for later use if queried the first time.
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400 */
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401 public double getMaximum(XYDataset dataset, int series) {
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402 Integer key = Integer.valueOf(series);
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403 Double old = seriesMaximum.get(key);
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404
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405 if (old != null) {
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406 return old.doubleValue();
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407 }
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408
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409 logger.debug("Compute maximum of Series: " + series);
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410
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411 double max = -Double.MAX_VALUE;
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412
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413 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
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414 double tmpValue = dataset.getYValue(series, i);
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415
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416 if (tmpValue > max) {
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417 max = tmpValue;
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418 }
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419 }
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420
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421 seriesMaximum.put(key, Double.valueOf(max));
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422
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423 return max;
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424 }
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425 }
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426 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org