Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalCrossSectionChart.java @ 1115:f953c9a559d8

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Added license file and license headers. gnv-artifacts/trunk@1260 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Nov 2010 17:46:55 +0000
parents 31f63a14a2c3
children
rev   line source
1115
f953c9a559d8 Added license file and license headers.
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.chart;
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10
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11 import de.intevation.gnv.jfreechart.PolygonDataset;
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12 import de.intevation.gnv.jfreechart.PolygonPlot;
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13 import de.intevation.gnv.jfreechart.PolygonRenderer;
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14 import de.intevation.gnv.jfreechart.PolygonSeries;
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16 import de.intevation.gnv.math.AttributedXYColumns;
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17
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18 import de.intevation.gnv.raster.Palette;
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19
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20 import java.awt.Color;
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21 import java.awt.Paint;
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22
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23 import java.text.NumberFormat;
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24
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25 import java.util.HashSet;
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26 import java.util.Locale;
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27 import java.util.Map;
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28
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29 import org.jfree.chart.JFreeChart;
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31 import org.jfree.chart.axis.NumberAxis;
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32 import org.jfree.chart.axis.SymbolAxis;
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33 import org.jfree.chart.axis.ValueAxis;
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35 import org.jfree.chart.plot.PlotOrientation;
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37 import org.jfree.chart.renderer.LookupPaintScale;
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38
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39 import org.jfree.chart.title.PaintScaleLegend;
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40 import org.jfree.chart.title.TextTitle;
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41
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42 import org.jfree.data.Range;
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43
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44 import org.jfree.ui.RectangleEdge;
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45 import org.jfree.ui.RectangleInsets;
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46
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47 /**
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48 * This class represents a 2D chart containing polygon data.
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49 *
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50 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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51 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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52 */
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53 public class VerticalCrossSectionChart
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54 implements Chart
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55 {
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56 /**
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57 * Lookup class for retrieving a color which corresponds to a specific
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58 * integer value.
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59 */
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60 public static final class PalettePaintLookup
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61 implements PolygonRenderer.PaintLookup
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62 {
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63 /**
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64 * Object storing information about value ranges and its coresponding
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65 * colors and descriptions.
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66 */
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67 private Palette palette;
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68
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69 /**
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70 * Map containing some special <code>Paint</code> like ground fillcolor.
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71 */
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72 private Map<Integer, Paint> special;
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73
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74 /**
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75 * Constructor
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76 *
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77 * @param palette See {@link #palette}
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78 */
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79 public PalettePaintLookup(Palette palette) {
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80 this(palette, null);
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81 }
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82
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83 /**
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84 * Constructor
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85 *
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86 * @param palette See {@link #palette}
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87 * @param special See {@link #special}
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88 */
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89 public PalettePaintLookup(
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90 Palette palette,
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91 Map<Integer, Paint> special
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92 ) {
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93 this.palette = palette;
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94 this.special = special;
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95 }
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96
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97 /**
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98 * @param index Index of a <code>Paint</code>
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99 *
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100 * @return <code>Paint</code> object for a given index.
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101 */
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102 public Paint getPaint(int index) {
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103 if (special != null) {
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104 Paint paint = special.get(index);
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105 if (paint != null) {
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106 return paint;
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107 }
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108 }
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109 return index < 0
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110 ? Color.black
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111 : palette.getColor(index);
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112 }
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113 } // class PalettePaintLookup
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114
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115 /**
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116 * This class is used to turn labels which represent a number into a
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117 * specific format.
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118 */
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119 public static class LocalizedLabelGenerator
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120 extends PolygonRenderer.DefaultLabelGenerator
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121 {
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122 /**
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123 * <code>NumberFormat</code> which is used to turn a number into a
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124 * specific format.
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125 */
450
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126 protected NumberFormat format;
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127
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128 /**
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129 * Constructor
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130 */
450
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131 public LocalizedLabelGenerator() {
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132 }
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133
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134 /**
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135 * Constructor
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136 *
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137 * @param format See {@link #format}
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138 */
450
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139 public LocalizedLabelGenerator(NumberFormat format) {
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140 this.format = format;
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141 }
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142
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143 /**
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144 * If label is a <code>Number</code>, it is turned into a format
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145 * specified by {@link #format}.
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146 *
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147 * @param label Label to format.
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148 *
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149 * @return String representation of label.
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150 */
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151 @Override
450
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152 protected String toString(Object label) {
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153 return label instanceof Number
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154 ? format.format(((Number)label).doubleValue())
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155 : super.toString(label);
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156 }
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157 } // class LocalizedLabelGenerator
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158
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159 public static double MARGIN_TOP = 0.05d;
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160 public static double MARGIN_BOTTOM = 0.00d;
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161 public static double MARGIN_LEFT = 0.00d;
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162 public static double MARGIN_RIGHT = 0.05d;
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163
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164 /**
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165 * JFreeChart object stored at this place after chart creation.
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166 */
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167 protected JFreeChart chart;
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168
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169 /**
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170 * Stores {@link de.intevation.gnv.jfreechart.PolygonDataset} which is used
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171 * to create a vertical cross chart.
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172 */
446
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173 protected AttributedXYColumns columns;
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174
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175 /**
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176 * Map which contains colors to fill polygons draw by this chart.
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177 */
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178 protected Map<Integer, Paint> special;
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179
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180 /**
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181 * Object used to map value intervals to specific colors and descriptions.
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182 */
446
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183 protected Palette palette;
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184
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185 /**
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186 * Locale object used for i18n support.
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187 */
446
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188 protected Locale locale;
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189
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190 /**
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191 * Labels for decorating the chart.
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192 */
492
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193 protected ChartLabels labels;
446
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194
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195 /**
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196 * Default Constructor
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197 */
446
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198 public VerticalCrossSectionChart() {
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199 }
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200
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201 /**
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202 * Constructor for VerticalCrossSectionChart creation.
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203 *
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204 * @param columns See {@link #columns}
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205 * @param palette See {@link #palette}
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206 * @param locale See {@link #locale}
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207 * @param labels See {@link #labels}
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208 */
446
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209 public VerticalCrossSectionChart(
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210 AttributedXYColumns columns,
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211 Palette palette,
492
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212 Locale locale,
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213 ChartLabels labels
446
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214 ) {
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215 this(columns, palette, null, locale, labels);
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216 }
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217
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218 /**
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219 * Constructor for VerticalCrossSectionChart creation.
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220 *
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221 * @param columns See {@link #columns}
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222 * @param palette See {@link #palette}
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223 * @param special See {@link #special}
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224 * @param locale See {@link #locale}
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225 * @param labels See {@link #labels}
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226 */
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227 public VerticalCrossSectionChart(
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228 AttributedXYColumns columns,
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229 Palette palette,
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230 Map<Integer, Paint> special,
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231 Locale locale,
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232 ChartLabels labels
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233 ) {
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234 this.columns = columns;
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235 this.palette = palette;
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236 this.special = special;
446
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237 this.locale = locale;
492
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238 this.labels = labels;
446
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239 }
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240
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241 /**
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242 * This method is used to create a JFreeChart from this object. A 2D plot is
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243 * drawn and a legend panel is created containing each value range.
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244 *
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245 * @return JFreeChart object
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246 */
446
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247 protected JFreeChart createChart() {
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248
492
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249 boolean legendB = false;
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250 boolean tooltips = false;
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251 boolean urls = false;
446
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252
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253 PlotOrientation po = PlotOrientation.HORIZONTAL;
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254 PolygonDataset data = columns.getPolygonDataset();
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255
449
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diff changeset
256 HashSet<Integer> usedColors = new HashSet<Integer>();
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257
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diff changeset
258 for (int i = data.getSeriesCount()-1; i >= 0; --i) {
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diff changeset
259 PolygonSeries ps = data.getSeries(i);
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diff changeset
260 Integer fill = (Integer)ps.getAttribute("fill");
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
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parents: 492
diff changeset
261 if (fill != null
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
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parents: 492
diff changeset
262 && (special != null && !special.containsKey(fill))) {
449
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263 usedColors.add(fill);
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diff changeset
264 }
c7ca2fce041f Add only color to scale of vertical cross section which are in the chart.
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parents: 446
diff changeset
265 }
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266
450
20a480753ff9 Render labels in vertical cross section charts.
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diff changeset
267 NumberFormat format = NumberFormat.getInstance(locale);
20a480753ff9 Render labels in vertical cross section charts.
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parents: 449
diff changeset
268 format.setMinimumFractionDigits(0);
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parents: 449
diff changeset
269 format.setMaximumFractionDigits(2);
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diff changeset
270
446
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271 PolygonRenderer renderer = new PolygonRenderer(
521
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parents: 492
diff changeset
272 new PalettePaintLookup(palette, special),
450
20a480753ff9 Render labels in vertical cross section charts.
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diff changeset
273 new LocalizedLabelGenerator(format));
446
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274
492
79e80c289018 Added labels and titles to 'Profilschnitt' charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 450
diff changeset
275 ValueAxis domainAxis = new NumberAxis(this.labels.getDomainAxisLabel());
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parents: 450
diff changeset
276 ValueAxis rangeAxis = new NumberAxis(this.labels.getRangeAxisLabel());
446
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277
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diff changeset
278 PolygonPlot plot = new PolygonPlot(
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279 data,
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280 renderer,
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281 domainAxis,
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282 rangeAxis,
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283 null);
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284
534
92d7a8cd1ef1 Set white border for 'Profilschnitte' as default.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
285 plot.setOutlinePaint(Color.WHITE);
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286
449
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diff changeset
287 String [] labels = new String[usedColors.size()];
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diff changeset
288
446
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289 int colors = palette.getSize();
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diff changeset
290 LookupPaintScale lookupPaint =
449
c7ca2fce041f Add only color to scale of vertical cross section which are in the chart.
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parents: 446
diff changeset
291 new LookupPaintScale(-0.5d, labels.length-0.5d, Color.white);
446
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292
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293 Color color = null;
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294
449
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diff changeset
295 for (int i = 0, j = labels.length-1; i < colors && j >= 0; i++) {
c7ca2fce041f Add only color to scale of vertical cross section which are in the chart.
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parents: 446
diff changeset
296 if (usedColors.contains(i)) {
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diff changeset
297 Palette.Entry entry = palette.getEntryByIndex(i);
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diff changeset
298 color = entry.getColor();
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diff changeset
299 labels[j] = entry.getDescription();
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diff changeset
300 lookupPaint.add(j-0.5d, color);
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parents: 446
diff changeset
301 --j;
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parents: 446
diff changeset
302 }
446
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parents:
diff changeset
303 }
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parents:
diff changeset
304
f5a041000357 Connected vertical cross section with chart generation.
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diff changeset
305 JFreeChart chart = new JFreeChart(
492
79e80c289018 Added labels and titles to 'Profilschnitt' charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 450
diff changeset
306 this.labels.getTitle(),
446
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
307 JFreeChart.DEFAULT_TITLE_FONT,
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parents:
diff changeset
308 plot,
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
309 legendB);
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diff changeset
310
f5a041000357 Connected vertical cross section with chart generation.
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diff changeset
311 chart.removeLegend();
492
79e80c289018 Added labels and titles to 'Profilschnitt' charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 450
diff changeset
312 chart.addSubtitle(new TextTitle(this.labels.getSubtitle()));
446
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parents:
diff changeset
313
492
79e80c289018 Added labels and titles to 'Profilschnitt' charts.
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parents: 450
diff changeset
314 SymbolAxis scale = new SymbolAxis(this.labels.getParameterName(), labels);
449
c7ca2fce041f Add only color to scale of vertical cross section which are in the chart.
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parents: 446
diff changeset
315 scale.setRange(-1.5d, labels.length+0.5d);
446
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diff changeset
316 scale.setGridBandsVisible(false);
f5a041000357 Connected vertical cross section with chart generation.
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diff changeset
317 scale.setPlot(plot);
f5a041000357 Connected vertical cross section with chart generation.
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diff changeset
318
f5a041000357 Connected vertical cross section with chart generation.
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diff changeset
319 PaintScaleLegend legend = new PaintScaleLegend(
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parents:
diff changeset
320 lookupPaint, scale);
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
321 legend.setMargin(new RectangleInsets(3d, 10d, 3d, 10d));
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
322 legend.setPosition(RectangleEdge.LEFT);
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
323 legend.setAxisOffset(5d);
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
324
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
325 chart.addSubtitle(legend);
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
326
841
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
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parents: 817
diff changeset
327 // XXX Workaround, because Axes labels are cut at the
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
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parents: 817
diff changeset
328 // left/right/top/bottom edge. The following lines add a white border
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
329 // between data area and plot border.
842
31f63a14a2c3 Improved the workaround of rev955: There is no gap between the left & bottom border and data area anymore (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 841
diff changeset
330 // see http://www.jfree.org/phpBB2/viewtopic.php?f=3&t=22177&start=0&hilit=axis+labels+cut
841
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
331 ValueAxis xAxis = plot.getDomainAxis();
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
332 Range xRange = xAxis.getRange();
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
333 xRange = Range.expand(xRange, MARGIN_LEFT, MARGIN_RIGHT);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
334 xAxis.setRange(xRange);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
335 plot.setDomainAxis(xAxis);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
336
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
337 ValueAxis yAxis = plot.getRangeAxis();
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
338 Range yRange = yAxis.getRange();
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
339 yRange = Range.expand(yRange, MARGIN_BOTTOM, MARGIN_TOP);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
340 yAxis.setRange(yRange);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
341 plot.setRangeAxis(yAxis);
9cbc8343a04d Implemented a workaround to avoid an amount of cut axis labels in 2D charts (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 817
diff changeset
342
842
31f63a14a2c3 Improved the workaround of rev955: There is no gap between the left & bottom border and data area anymore (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 841
diff changeset
343 chart.setPadding(new RectangleInsets(10d, 10d, 10d, 10d));
31f63a14a2c3 Improved the workaround of rev955: There is no gap between the left & bottom border and data area anymore (issue163).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 841
diff changeset
344
446
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
345 return chart;
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
346 }
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
347
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
348 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
349 * @see de.intevation.gnv.chart.Chart#generateChart()
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
350 */
446
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parents:
diff changeset
351 public JFreeChart generateChart() {
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
352 if (chart == null) {
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parents:
diff changeset
353 chart = createChart();
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
354 }
527
f598702b2a10 Fixed issue157: Verticalcrosssection charts have a white background as all other chart types have.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 521
diff changeset
355
446
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
356 return chart;
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
357 }
527
f598702b2a10 Fixed issue157: Verticalcrosssection charts have a white background as all other chart types have.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 521
diff changeset
358
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
359 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
360 * Set the background paint of {@link #chart}.
803
feae2f9d6c6f Removed trailing whitespace.
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parents: 788
diff changeset
361 * @param paint
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 534
diff changeset
362 */
527
f598702b2a10 Fixed issue157: Verticalcrosssection charts have a white background as all other chart types have.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 521
diff changeset
363 public void setBackgroundPaint(Paint paint) {
f598702b2a10 Fixed issue157: Verticalcrosssection charts have a white background as all other chart types have.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 521
diff changeset
364 chart.setBackgroundPaint(paint);
f598702b2a10 Fixed issue157: Verticalcrosssection charts have a white background as all other chart types have.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 521
diff changeset
365 }
446
f5a041000357 Connected vertical cross section with chart generation.
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parents:
diff changeset
366 }
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org