Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1975:b30e1710df1d

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Server-side of interactive cross-section diagrams. flys-artifacts/trunk@3394 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 13 Dec 2011 09:10:48 +0000
parents 65f9d707caff
children 156304542edf
rev   line source
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1 package de.intevation.flys.exports;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.jfree.chart.JFreeChart;
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6 import org.jfree.chart.title.TextTitle;
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7 import org.jfree.data.xy.XYSeries;
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8
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9 import org.w3c.dom.Document;
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10
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11 import de.intevation.artifactdatabase.state.ArtifactAndFacet;
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12
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13 import de.intevation.flys.artifacts.WINFOArtifact;
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14
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15 import de.intevation.flys.artifacts.model.FacetTypes;
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16
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17
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18 /**
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19 * An OutGenerator that generates cross section graphs.
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20 */
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21 public class CrossSectionGenerator
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22 extends XYChartGenerator
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23 implements FacetTypes
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24 {
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25 /** The logger that is used in this generator. */
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26 private static Logger logger =
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27 Logger.getLogger(CrossSectionGenerator.class);
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28
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29 public static final String I18N_CHART_TITLE =
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30 "chart.cross_section.title";
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31
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32 public static final String I18N_CHART_SUBTITLE =
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33 "chart.cross_section.subtitle";
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34
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35 public static final String I18N_XAXIS_LABEL =
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36 "chart.cross_section.xaxis.label";
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37
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38 public static final String I18N_YAXIS_LABEL =
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39 "chart.cross_section.yaxis.label";
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40
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41 public static final String I18N_CHART_TITLE_DEFAULT = "Querprofildiagramm";
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42 public static final String I18N_XAXIS_LABEL_DEFAULT = "Abstand [m]";
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43 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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44
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45
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46 /** Trivial Constructor. */
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47 public CrossSectionGenerator() {
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48 super();
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49 }
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50
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51
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52 /**
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53 * Get localized chart title.
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54 */
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55 protected String getChartTitle() {
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56 // TODO get river etc for localized heading
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57 Object[] i18n_msg_args = new Object[] {
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58 getRiverName()
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59 };
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60 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT, i18n_msg_args);
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61 }
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62
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63
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64 /**
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65 * Add localized subtitle to chart.
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66 */
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67 @Override
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68 protected void addSubtitles(JFreeChart chart) {
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69 double[] dist = getRange();
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70
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71 Object[] args = new Object[] {
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72 getRiverName(),
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73 getKm()
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74 };
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75
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76 String subtitle = msg(I18N_CHART_SUBTITLE, "", args);
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77 chart.addSubtitle(new TextTitle(subtitle));
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78 }
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79
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80
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81 /**
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82 * Get localized X Axis label.
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83 */
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84 protected String getXAxisLabel() {
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85 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
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86 }
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87
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88
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89 /**
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90 * Get cross_section.km data from artifact.
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91 */
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92 protected Double getKm() {
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93 try {
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94 WINFOArtifact winfo = (WINFOArtifact) master;
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95 // TODO get km of "master cross section."
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96 //return winfo.getCrossSectionSnapKm(0);
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97 return 0.0d;
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98 }
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99 catch (Exception e) {
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100 logger.error("Cannot convert cross_section.km to double");
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101 return 0.0d;
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102 }
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103 }
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104
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105
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106 /**
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107 * Get localized Y Axis label.
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108 */
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109 protected String getYAxisLabel() {
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110 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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111 }
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112
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113
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114 /**
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115 * Let one facet do its job.
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116 */
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117 public void doOut(
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118 ArtifactAndFacet artifactFacet,
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119 Document attr,
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120 boolean visible
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121 ) {
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122 String name = artifactFacet.getFacetName();
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123
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124 logger.debug("CrossSectionGenerator.doOut: " + name);
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125
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126 if (name == null) {
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127 logger.error("No facet name for doOut(). No output generated!");
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128 return;
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129 }
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130
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131 if (name.equals(CROSS_SECTION)) {
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132 doCrossSectionOut(
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133 artifactFacet.getData(context),
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134 artifactFacet.getFacetDescription(),
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135 attr,
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136 visible);
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137 }
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138 else if (name.equals(CROSS_SECTION_WATER_LINE)) {
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139 doCrossSectionWaterLineOut(
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140 artifactFacet.getData(context),
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141 artifactFacet.getFacetDescription(),
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142 attr,
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143 visible);
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144 }
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145 else {
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146 logger.warn("CrossSection.doOut: Unknown facet name: " + name);
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147 return;
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148 }
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149 }
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150
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151
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152 /**
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153 * Do cross sections waterline out.
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154 *
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155 * @param seriesName name of the data (line) to display in legend.
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156 * @param theme Theme for the data series.
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157 */
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158 protected void doCrossSectionWaterLineOut(
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159 Object o,
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160 String seriesName,
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161 Document theme,
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162 boolean visible
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163 ) {
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164 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut");
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165
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166 // DO NOT SORT DATA! This destroys the gaps indicated by NaNs
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167 XYSeries series = new StyledXYSeries(seriesName, false, theme);
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168
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169 StyledSeriesBuilder.addPoints(series, (double [][]) o);
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170
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171 addAxisSeries(series, 0, visible);
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172 }
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173
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174
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175 /**
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176 * Do cross sections out.
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177 *
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178 * @param seriesName name of the data (line) to display in legend.
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179 * @param theme Theme for the data series.
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180 */
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181 protected void doCrossSectionOut(
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182 Object o,
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183 String seriesName,
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184 Document theme,
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185 boolean visible
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186 ) {
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187 logger.debug("CrossSectionGenerator.doCrossSectionOut");
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188
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189 XYSeries series = new StyledXYSeries(seriesName, theme);
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190
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191 StyledSeriesBuilder.addPoints(series, (double [][]) o);
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192
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193 addAxisSeries(series, 0, visible);
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194 }
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195 }
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196 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org