Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ComputedDischargeCurveGenerator.java @ 1083:d0db31d1f64c

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Enable plotting of some annotations that look like MainValues. flys-artifacts/trunk@2580 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 25 Aug 2011 10:53:25 +0000
parents d10efbe2e5c0
children 07878836ee0d
rev   line source
392
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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 java.util.ArrayList;
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6 import java.util.List;
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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.JFreeChart;
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11 import org.jfree.chart.title.TextTitle;
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12 import org.jfree.data.xy.XYSeries;
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13 import org.jfree.chart.axis.ValueAxis;
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14 import org.jfree.chart.plot.XYPlot;
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15 import org.jfree.ui.TextAnchor;
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17 import de.intevation.artifacts.Artifact;
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18
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19 import de.intevation.artifactdatabase.state.Facet;
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21 import de.intevation.flys.artifacts.FLYSArtifact;
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22 import de.intevation.flys.artifacts.model.FacetTypes;
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23 import de.intevation.flys.artifacts.model.WQKms;
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24 import de.intevation.flys.jfree.StickyAxisAnnotation;
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25
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26 import de.intevation.flys.model.MainValue;
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27
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28 /**
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29 * An OutGenerator that generates discharge curves.
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30 *
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31 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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32 */
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33 public class ComputedDischargeCurveGenerator
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34 extends DischargeCurveGenerator
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35 implements FacetTypes
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36 {
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37 /** The logger used in this generator. */
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38 private static Logger logger =
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39 Logger.getLogger(ComputedDischargeCurveGenerator.class);
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40
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41
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42 public static final String I18N_CHART_TITLE =
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43 "chart.computed.discharge.curve.title";
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44
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45 public static final String I18N_CHART_SUBTITLE =
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46 "chart.computed.discharge.curve.subtitle";
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47
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48 public static final String I18N_YAXIS_LABEL =
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49 "chart.computed.discharge.curve.yaxis.label";
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50
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51 public static final String I18N_CHART_TITLE_DEFAULT = "Abflusskurve";
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52 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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53
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54 /** List of MainValues (Annotations in plot). */
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55 protected static List<MainValue> mainValues;
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56
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57
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58 /** Trivial Constructor. */
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59 public ComputedDischargeCurveGenerator () {
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60 super();
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61 mainValues = new ArrayList<MainValue>();
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62 }
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63
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64
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65 @Override
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66 protected String getChartTitle() {
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67 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT);
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68 }
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70
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71 @Override
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72 protected void addSubtitles(JFreeChart chart) {
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73 double[] dist = getRange();
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74
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75 Object[] args = new Object[] {
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76 getRiverName(),
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77 dist[0]
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78 };
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79
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80 String subtitle = msg(I18N_CHART_SUBTITLE, "", args);
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81 chart.addSubtitle(new TextTitle(subtitle));
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82 }
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84
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85 @Override
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86 protected String getYAxisLabel() {
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87 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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88 }
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91 @Override
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92 public void doOut(Artifact artifact, Facet facet, Document attr) {
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93 String name = (facet != null) ? facet.getName() : null;
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94
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95 logger.debug("ComputedDischargeCurveGenerator.doOut: " + name);
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96
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97 FLYSArtifact flys = (FLYSArtifact) artifact;
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98 Facet f = flys.getNativeFacet(facet);
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99
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100 if (name.equals(COMPUTED_DISCHARGE_Q)) {
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101 doQOut((WQKms) f.getData(artifact, context), attr);
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102 }
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103 else if (name.equals(COMPUTED_DISCHARGE_MAINVALUES)) {
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104 doMainValueAnnotations(f.getData(artifact, context), attr);
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105 }
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106 else {
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107 logger.warn("Unknown facet type for computed discharge: " + name);
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108 return;
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109 }
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110 }
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111
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112
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113 /**
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114 * Add MainValues as annotations to plot.
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115 */
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116 protected void doMainValueAnnotations(Object o, Document theme) {
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117 this.mainValues = (List<MainValue>) o;
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118 }
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119
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120
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121 /** Generate Chart with annotations. */
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122 @Override
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123 public JFreeChart generateChart() {
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124 JFreeChart c = super.generateChart();
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125 XYPlot p = (XYPlot) c.getPlot();
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126 redoAnnotations(p, p.getDomainAxis());
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127 return c;
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128 }
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129
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130
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131 /**
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132 * Recalculate some annotation positions and add them to plot.
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133 * Annotations represent MainValues.
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134 * @param plot Plot to add annotations to.
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135 * @param valueAxis ignored.
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136 */
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137 protected void redoAnnotations(XYPlot plot, ValueAxis axis) {
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138 plot.clearAnnotations();
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139 ValueAxis yAxis = plot.getRangeAxis();
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140 float posY = 140.f;
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141 if (yAxis != null) {
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142 posY = (float) yAxis.getRange().getLowerBound();
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143 // Add some (2%) space between Text and axis.
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144 // TODO have all the position logic in StickyAxisAnnotation
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145 // (then merge LongitudinalSectioNGenerator).
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146 posY += 0.02f * (yAxis.getRange().getUpperBound()
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147 - yAxis.getRange().getLowerBound());
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148 }
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149 // Add all MainValues as annotations.
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150 // TODO Implement and handle second facet for annotations on
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151 // vertical axis.
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152 for (MainValue mv: mainValues) {
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153 if (mv.getMainValue().getType().getName() == "W") {
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154 continue;
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155 }
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156 float posX = mv.getValue().floatValue();
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157
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158 String text = mv.getMainValue().getName();
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159 StickyAxisAnnotation ta = new StickyAxisAnnotation(text, posX, posY);
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160 plot.getRenderer().addAnnotation(ta);
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161 }
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162 }
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163
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164
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165 /**
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166 * Add Q-Series to plot.
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167 * @param wqkms actual data
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168 * @param theme theme to use.
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169 */
924
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170 protected void doQOut(WQKms wqkms, Document theme) {
393
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171 int size = wqkms.size();
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172
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173 double[] res = new double[3];
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174
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175 XYSeries series = new StyledXYSeries(getSeriesName(wqkms), theme);
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176 for (int i = 0; i < size; i++) {
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177 res = wqkms.get(i, res);
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178 series.add(res[1], res[0]);
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179 }
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180
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181 addFirstAxisSeries(series);
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182 }
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183
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184
456
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185 protected String getSeriesName(WQKms wqkms) {
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186 Object[] args = new Object[] {
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187 getRiverName(),
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188 wqkms.getName()
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189 };
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190
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191 return msg(
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192 "chart.computed.discharge.curve.curve.label",
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193 "",
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194 args);
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195 }
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196 }
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197 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org