Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 2780:772d0c8100d3

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Improved 'line-to-curve' rendering. flys-artifacts/trunk@4519 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 25 May 2012 13:34:46 +0000
parents bdc86e61428c
children 22def36d37b7
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 import java.awt.BasicStroke;
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4 import java.awt.Color;
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5 import java.awt.geom.Ellipse2D;
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6
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7
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8 import org.w3c.dom.Document;
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9
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10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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11
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12 import de.intevation.flys.utils.ThemeUtil;
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13
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14
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15 /**
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16 * Utility to apply theme-settings to a renderer.
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17 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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18 */
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19 public class XYStyle implements Style {
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20
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21 protected Document theme;
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22
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23
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24 public XYStyle(Document theme) {
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25 this.theme = theme;
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26 }
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27
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28
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29 /**
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30 * Applies line color, size and type attributes to renderer, also
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31 * whether to draw lines and/or points.
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32 */
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33 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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34 applyLineColor(r, idx);
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35 applyLineSize(r, idx);
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36 applyLineType(r, idx);
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37 applyShowLine(r, idx);
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38 applyShowPoints(r, idx);
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39 applyPointSize(r, idx);
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40 applyShowMinimum(r, idx);
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41 applyShowMaximum(r, idx);
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42 applyShowLineLabel(r, idx);
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43 applyLineLabelFont(r, idx);
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44 applyLineLabelColor(r, idx);
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45 applyShowLineLabelBG(r, idx);
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46 applyLineLabelBGColor(r, idx);
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47
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48 return r;
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49 }
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50
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51
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52 /** Set line color to renderer. */
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53 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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54 Color c = ThemeUtil.parseLineColorField(theme);
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55 r.setSeriesPaint(idx, c);
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56 }
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57
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58
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59 /** Tells the renderer whether or not to add a label to a line. */
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60 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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61 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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62 return;
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63 }
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64 boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
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65 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(showLabelLine, idx);
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66 }
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67
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68
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69 /** Tells the renderer whether or not to fill the bg of a lines label. */
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70 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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71 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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72 return;
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73 }
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74 boolean showLabelLine = ThemeUtil.parseShowLineLabelBG(theme);
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75 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine);
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76 }
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77
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78 /** Tell the renderer which font (and -size and -style) to use for
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79 * linelabels. */
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80 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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81 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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82 return;
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83 }
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84 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(ThemeUtil.parseLineLabelFont(theme), idx);
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85 }
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86
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87 /** Tell the renderer which color to use for
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88 * linelabels. */
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89 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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90 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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91 return;
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92 }
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93 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(idx, ThemeUtil.parseLineLabelTextColor(theme));
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94 }
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95
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96 /** Tell the renderer which color to use for bg of
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97 * linelabels. */
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98 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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99 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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100 return;
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101 }
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102 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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103 ThemeUtil.parseLineLabelBGColor(theme));
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104 }
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105
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106 /** Set stroke of series. */
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107 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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108 int size = ThemeUtil.parseLineWidth(theme);
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109 r.setSeriesStroke(
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110 idx,
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111 new BasicStroke(Integer.valueOf(size)));
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112 }
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113
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114
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115 /** Set stroke strength of series. */
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116 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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117 int size = ThemeUtil.parseLineWidth(theme);
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118 float[] dashes = ThemeUtil.parseLineStyle(theme);
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119
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120 // Do not apply the dashed style.
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121 if (dashes.length <= 1) {
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122 return;
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123 }
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124
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125 r.setSeriesStroke(
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126 idx,
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127 new BasicStroke(Integer.valueOf(size),
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128 BasicStroke.CAP_BUTT,
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129 BasicStroke.JOIN_ROUND,
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130 1.0f,
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131 dashes,
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132 0.0f));
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133 }
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134
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135
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136 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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137 int size = ThemeUtil.parsePointWidth(theme);
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138 int dim = 2 * size;
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139
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140 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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141 }
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142
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143
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144 /**
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145 * Sets form and visibility of points.
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146 */
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147 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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148 boolean show = ThemeUtil.parseShowPoints(theme);
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149
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150 r.setSeriesShapesVisible(idx, show);
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151 r.setDrawOutlines(true);
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152 }
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153
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154
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155 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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156 boolean show = ThemeUtil.parseShowLine(theme);
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157 r.setSeriesLinesVisible(idx, show);
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158 }
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159
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160
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161 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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162 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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163 return;
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164 }
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165
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166 boolean visible = ThemeUtil.parseShowMinimum(theme);
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167
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168 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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169 er.setIsMinimumShapeVisisble(idx, visible);
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170 }
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171
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172
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173 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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174 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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175 return;
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176 }
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177
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178 boolean visible = ThemeUtil.parseShowMaximum(theme);
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179
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180 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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181 er.setIsMaximumShapeVisible(idx, visible);
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182 }
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183 }
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184 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org