Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1158:fbe18ad4caff

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Removed needless imports. flys-artifacts/trunk@2691 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 12 Sep 2011 04:20:48 +0000
parents 01d42a2454f6
children bdb05dc9b763
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.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 import de.intevation.flys.artifacts.WINFOArtifact;
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21
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22 import de.intevation.flys.artifacts.model.FacetTypes;
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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 = "Querprofildiagramm";
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49 public static final String I18N_XAXIS_LABEL_DEFAULT = "Abstand [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 /** Trivial Constructor. */
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54 public CrossSectionGenerator() {
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55 super();
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56 }
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57
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58
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59 /**
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60 * Get localized chart title.
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61 */
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62 protected String getChartTitle() {
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63 // TODO get river etc for localized heading
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64 Object[] i18n_msg_args = new Object[] {
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65 getRiverName()
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66 };
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67 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT, i18n_msg_args);
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68 }
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69
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70
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71 /**
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72 * Add localized subtitle to chart.
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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 getKm()
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81 };
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82
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83 String subtitle = msg(I18N_CHART_SUBTITLE, "", args);
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84 chart.addSubtitle(new TextTitle(subtitle));
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85 }
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86
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87
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88 /**
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89 * Get localized X Axis label.
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90 */
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91 protected String getXAxisLabel() {
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92 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
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93 }
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94
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95
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96 /**
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97 * Get cross_section.km data from artifact.
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98 */
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99 protected Double getKm() {
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100 try {
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101 WINFOArtifact winfo = (WINFOArtifact) master;
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102 return winfo.getCrossSectionSnapKm();
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103 }
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104 catch (Exception e) {
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105 logger.error("Cannot convert cross_section.km to double");
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106 return 0.0d;
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107 }
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108 }
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109
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110
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111 /**
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112 * Get localized Y Axis label.
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113 */
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114 protected String getYAxisLabel() {
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115 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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116 }
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117
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118
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119 protected void adjustAxes(XYPlot plot) {
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120 super.adjustAxes(plot);
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121
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122 NumberAxis qAxis = new NumberAxis(
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123 msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT));
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124
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125 plot.setRangeAxis(1, qAxis);
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126 }
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127
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128
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129 /**
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130 * Overrides XYChartGenerators.zoomY() to include the 0 value on the Q axis.
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131 */
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132 @Override
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133 protected boolean zoomY(XYPlot plot, ValueAxis axis, Range range, Range x) {
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134 if (plot.getRangeAxisIndex(axis) == 1) {
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135 // we want the Q axis to start at 0 if no zooming has been done
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136 range = new Range(0d, range.getUpperBound());
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137 }
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138
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139 return super.zoomY(plot, axis, range, x);
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140 }
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141
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142
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143 /**
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144 * Let one facet do its job.
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145 */
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146 public void doOut(Artifact artifact, Facet facet, Document attr) {
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147 String name = facet.getName();
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148
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149 logger.debug("CrossSectionGenerator.doOut: " + name);
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150
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151 if (name == null) {
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152 logger.error("No facet name for doOut(). No output generated!");
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153 return;
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154 }
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155
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156 FLYSArtifact flys = (FLYSArtifact) artifact;
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157 Facet f = flys.getNativeFacet(facet);
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158
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159 if (f == null) {
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160 return;
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161 }
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162
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163 if (name.equals(CROSS_SECTION)) {
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164 doCrossSectionOut(f.getData(artifact, context), f.getDescription(), attr);
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165 }
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166 else if (name.equals(CROSS_SECTION_WATER_LINE)) {
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167 doCrossSectionWaterLineOut(f.getData(artifact, context), f.getDescription(), attr);
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168 }
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169 else {
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170 logger.warn("CrossSection.doOut: Unknown facet name: " + name);
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171 return;
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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 /**
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177 * Do cross sections waterline out.
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178 *
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179 * @param seriesName name of the data (line) to display in legend.
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180 * @param theme Theme for the data series.
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181 */
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182 protected void doCrossSectionWaterLineOut(Object o, String seriesName, Document theme) {
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183 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut");
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184
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185 XYSeries series = new StyledXYSeries(seriesName, theme);
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186
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187 double[][] a = (double [][]) o;
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188 double [] pxs = a[0];
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189 for (int i = 0; i < pxs.length; i++) {
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190 series.add (a[0][i], a[1][i]);
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191 }
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192 addFirstAxisSeries(series);
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193 }
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194
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195
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196 /**
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197 * Do cross sections out.
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198 *
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199 * @param seriesName name of the data (line) to display in legend.
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200 * @param theme Theme for the data series.
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201 */
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202 protected void doCrossSectionOut(Object o, String seriesName, Document theme) {
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203 logger.debug("CrossSectionGenerator.doCrossSectionOut");
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204
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205 XYSeries series = new StyledXYSeries(seriesName, theme);
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206
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207 double[][] a = (double [][]) o;
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208 double [] pxs = a[0];
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209 for (int i = 0; i < pxs.length; i++) {
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210 series.add (a[0][i], a[1][i]);
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211 }
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212 addFirstAxisSeries(series);
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213 }
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214 }
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215 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org