Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1122:111794adf285

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Get real (but yet not parameterized) data to display in CrossSection. flys-artifacts/trunk@2631 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 01 Sep 2011 12:15:46 +0000
parents 05e4ef0f9489
children 65d8b3340397
rev   line source
1111
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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.axis.NumberAxis;
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7 import org.jfree.chart.axis.ValueAxis;
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8 import org.jfree.chart.plot.XYPlot;
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9 import org.jfree.chart.title.TextTitle;
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10 import org.jfree.data.Range;
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11 import org.jfree.data.xy.XYSeries;
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12
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13 import org.w3c.dom.Document;
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14
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15 import de.intevation.artifacts.Artifact;
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16
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17 import de.intevation.artifactdatabase.state.Facet;
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18
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19 import de.intevation.flys.artifacts.FLYSArtifact;
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20
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21 import de.intevation.flys.artifacts.model.FacetTypes;
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22 import de.intevation.flys.artifacts.model.WQKms;
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23
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24
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25 /**
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26 * An OutGenerator that generates cross section graphs.
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27 */
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28 public class CrossSectionGenerator
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29 extends XYChartGenerator
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30 implements FacetTypes
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31 {
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32 /** The logger that is used in this generator. */
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33 private static Logger logger =
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34 Logger.getLogger(CrossSectionGenerator.class);
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35
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36 public static final String I18N_CHART_TITLE =
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37 "chart.cross_section.title";
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38
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39 public static final String I18N_CHART_SUBTITLE =
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40 "chart.cross_section.subtitle";
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41
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42 public static final String I18N_XAXIS_LABEL =
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43 "chart.cross_section.xaxis.label";
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44
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45 public static final String I18N_YAXIS_LABEL =
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46 "chart.cross_section.yaxis.label";
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47
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48 public static final String I18N_CHART_TITLE_DEFAULT = "Querschnittt";
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49 public static final String I18N_XAXIS_LABEL_DEFAULT = "m";
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50 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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51
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52
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53 protected boolean inverted;
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54
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55
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56 /** Trivial Constructor. */
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57 public CrossSectionGenerator() {
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58 super();
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59 }
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60
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61
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62 protected String getChartTitle() {
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63 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT);
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64 }
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65
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66 public boolean isInverted() {
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67 return inverted;
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68 }
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69
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70 public void setInverted(boolean inverted) {
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71 this.inverted = inverted;
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72 }
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73
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74 @Override
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75 protected void addSubtitles(JFreeChart chart) {
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76 double[] dist = getRange();
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77
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78 Object[] args = new Object[] {
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79 getRiverName(),
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80 dist[0],
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81 dist[1]
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82 };
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83
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84 //String subtitle = msg(I18N_CHART_SUBTITLE, "", args);
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85 String subtitle = "bogus";
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86 chart.addSubtitle(new TextTitle(subtitle));
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87 }
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88
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89 @Override
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90 public JFreeChart generateChart() {
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91 JFreeChart c = super.generateChart();
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92 XYPlot p = (XYPlot) c.getPlot();
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93
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94 return c;
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95 }
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96
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97
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98 protected String getXAxisLabel() {
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99 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
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100 }
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101
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102
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103 protected String getYAxisLabel() {
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104 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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105 }
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106
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107
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108 protected void adjustAxes(XYPlot plot) {
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109 super.adjustAxes(plot);
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110
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111 NumberAxis qAxis = new NumberAxis(
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112 msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT));
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113
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114 plot.setRangeAxis(1, qAxis);
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115
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116 invertXAxis(plot.getDomainAxis());
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117 }
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118
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119
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120 /**
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121 * This method overrides the XYChartGenerators zoomY method to include the 0
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122 * value on the Q axis.
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123 */
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124 @Override
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125 protected boolean zoomY(XYPlot plot, ValueAxis axis, Range range, Range x) {
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126 if (plot.getRangeAxisIndex(axis) == 1) {
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127 // we want the Q axis to start at 0 if no zooming has been done
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128 range = new Range(0d, range.getUpperBound());
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129 }
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130
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131 return super.zoomY(plot, axis, range, x);
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132 }
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133
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134
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135 /**
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136 * This method inverts the x-axis based on the kilometer information of the
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137 * selected river. If the head of the river is at kilometer 0, the axis is
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138 * not inverted, otherwise it is.
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139 *
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140 * @param xaxis The domain axis.
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141 */
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142 protected void invertXAxis(ValueAxis xaxis) {
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143
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144 if (inverted) {
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145 logger.debug("Invert X-Axis.");
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146 xaxis.setInverted(true);
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147 }
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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 * Let one facet do its job.
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153 */
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154 public void doOut(Artifact artifact, Facet facet, Document attr) {
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155 String name = facet.getName();
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156
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157 logger.debug("CrossSectionGenerator.doOut: " + name);
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158
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159 if (name == null) {
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160 logger.error("No facet name for doOut(). No output generated!");
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161 return;
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162 }
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163
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164 FLYSArtifact flys = (FLYSArtifact) artifact;
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165 Facet f = flys.getNativeFacet(facet);
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166
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167 if (f == null) {
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168 return;
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169 }
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170
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171 if (name.equals(CROSS_SECTION)) {
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172 doCrossSectionOut(f.getData(artifact, context), attr);
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173 }
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174 else if (name.equals(CROSS_SECTION_WATER_LINE)) {
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175 doCrossSectionWaterLineOut(f.getData(artifact, context), attr);
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176 }
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177 else {
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178 logger.warn("CrossSection.doOut: Unknown facet name: " + name);
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179 return;
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180 }
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181 }
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182
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183
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184 /**
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185 * Do cross sections waterline out.
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186 *
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187 * @param theme Theme for the data series.
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188 */
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189 protected void doCrossSectionWaterLineOut(Object o, Document theme) {
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190 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut");
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191 XYSeries series = new StyledXYSeries("water", theme);
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192
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193 double[][] a = (double [][]) o;
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194 double [] pxs = a[0];
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195 for (int i = 0; i < pxs.length; i++) {
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196 series.add (a[0][i], a[1][i]);
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197 }
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198 addFirstAxisSeries(series);
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199 }
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200
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201
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202 /**
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203 * Do cross sections out.
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204 *
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205 * @param theme Theme for the data series.
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206 */
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207 protected void doCrossSectionOut(Object o, Document theme) {
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208 logger.debug("CrossSectionGenerator.doCrossSectionOut");
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209
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210 XYSeries series = new StyledXYSeries("aliquide", theme);
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211
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212 double[][] a = (double [][]) o;
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213 double [] pxs = a[0];
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214 for (int i = 0; i < pxs.length; i++) {
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215 series.add (a[0][i], a[1][i]);
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216 }
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217 addFirstAxisSeries(series);
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218 }
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219
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220
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221 /**
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222 * Get name of series (displayed in legend).
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223 * @return name of the series.
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224 */
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225 protected String getSeriesName(WQKms wqkms, String mode) {
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226 String name = wqkms.getName();
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227 String prefix = name != null && name.indexOf(mode) >= 0 ? null : mode;
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228
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229 return prefix != null && prefix.length() > 0
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230 ? prefix + "(" + name +")"
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231 : name;
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232 }
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233 }
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234 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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235
http://dive4elements.wald.intevation.org