Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1142:01d42a2454f6

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Display real km of shown data in crosssection-diagram. flys-artifacts/trunk@2664 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 07 Sep 2011 10:51:54 +0000
parents bcba246d9c03
children fbe18ad4caff
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 import de.intevation.flys.artifacts.model.WQKms;
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24
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25
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26 /**
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27 * An OutGenerator that generates cross section graphs.
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28 */
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29 public class CrossSectionGenerator
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30 extends XYChartGenerator
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31 implements FacetTypes
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32 {
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33 /** The logger that is used in this generator. */
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34 private static Logger logger =
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35 Logger.getLogger(CrossSectionGenerator.class);
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36
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37 public static final String I18N_CHART_TITLE =
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38 "chart.cross_section.title";
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39
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40 public static final String I18N_CHART_SUBTITLE =
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41 "chart.cross_section.subtitle";
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42
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43 public static final String I18N_XAXIS_LABEL =
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44 "chart.cross_section.xaxis.label";
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45
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46 public static final String I18N_YAXIS_LABEL =
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47 "chart.cross_section.yaxis.label";
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48
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49 public static final String I18N_CHART_TITLE_DEFAULT = "Querprofildiagramm";
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50 public static final String I18N_XAXIS_LABEL_DEFAULT = "Abstand [m]";
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51 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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52
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53
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54 /** Trivial Constructor. */
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55 public CrossSectionGenerator() {
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56 super();
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57 }
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58
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59
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60 /**
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61 * Get localized chart title.
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62 */
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63 protected String getChartTitle() {
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64 // TODO get river etc for localized heading
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65 Object[] i18n_msg_args = new Object[] {
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66 getRiverName()
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67 };
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68 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT, i18n_msg_args);
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69 }
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70
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71
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72 /**
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73 * Add localized subtitle to chart.
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74 */
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75 @Override
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76 protected void addSubtitles(JFreeChart chart) {
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77 double[] dist = getRange();
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78
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79 Object[] args = new Object[] {
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80 getRiverName(),
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81 getKm()
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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 chart.addSubtitle(new TextTitle(subtitle));
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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 localized X Axis label.
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91 */
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92 protected String getXAxisLabel() {
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93 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
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94 }
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95
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96
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97 /**
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98 * Get cross_section.km data from artifact.
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99 */
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100 protected Double getKm() {
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101 try {
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102 WINFOArtifact winfo = (WINFOArtifact) master;
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103 return winfo.getCrossSectionSnapKm();
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104 }
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105 catch (Exception e) {
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106 logger.error("Cannot convert cross_section.km to double");
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107 return 0.0d;
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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 /**
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113 * Get localized Y Axis label.
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114 */
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115 protected String getYAxisLabel() {
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116 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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117 }
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118
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119
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120 protected void adjustAxes(XYPlot plot) {
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121 super.adjustAxes(plot);
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122
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123 NumberAxis qAxis = new NumberAxis(
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124 msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT));
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125
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126 plot.setRangeAxis(1, qAxis);
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127 }
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128
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129
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130 /**
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131 * Overrides XYChartGenerators.zoomY() to include the 0 value on the Q axis.
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132 */
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133 @Override
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134 protected boolean zoomY(XYPlot plot, ValueAxis axis, Range range, Range x) {
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135 if (plot.getRangeAxisIndex(axis) == 1) {
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136 // we want the Q axis to start at 0 if no zooming has been done
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137 range = new Range(0d, range.getUpperBound());
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138 }
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139
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140 return super.zoomY(plot, axis, range, x);
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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 * Let one facet do its job.
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146 */
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147 public void doOut(Artifact artifact, Facet facet, Document attr) {
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148 String name = facet.getName();
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149
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150 logger.debug("CrossSectionGenerator.doOut: " + name);
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151
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152 if (name == null) {
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153 logger.error("No facet name for doOut(). No output generated!");
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154 return;
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155 }
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156
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157 FLYSArtifact flys = (FLYSArtifact) artifact;
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158 Facet f = flys.getNativeFacet(facet);
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159
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160 if (f == null) {
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161 return;
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162 }
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163
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164 if (name.equals(CROSS_SECTION)) {
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165 doCrossSectionOut(f.getData(artifact, context), f.getDescription(), attr);
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166 }
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167 else if (name.equals(CROSS_SECTION_WATER_LINE)) {
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168 doCrossSectionWaterLineOut(f.getData(artifact, context), f.getDescription(), attr);
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169 }
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170 else {
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171 logger.warn("CrossSection.doOut: Unknown facet name: " + name);
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172 return;
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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 /**
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178 * Do cross sections waterline out.
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179 *
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180 * @param seriesName name of the data (line) to display in legend.
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181 * @param theme Theme for the data series.
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182 */
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183 protected void doCrossSectionWaterLineOut(Object o, String seriesName, Document theme) {
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184 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut");
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185
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186 XYSeries series = new StyledXYSeries(seriesName, theme);
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187
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188 double[][] a = (double [][]) o;
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189 double [] pxs = a[0];
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190 for (int i = 0; i < pxs.length; i++) {
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191 series.add (a[0][i], a[1][i]);
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192 }
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193 addFirstAxisSeries(series);
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194 }
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195
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196
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197 /**
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198 * Do cross sections out.
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199 *
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200 * @param seriesName name of the data (line) to display in legend.
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201 * @param theme Theme for the data series.
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202 */
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203 protected void doCrossSectionOut(Object o, String seriesName, Document theme) {
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204 logger.debug("CrossSectionGenerator.doCrossSectionOut");
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205
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206 XYSeries series = new StyledXYSeries(seriesName, theme);
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207
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208 double[][] a = (double [][]) o;
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209 double [] pxs = a[0];
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210 for (int i = 0; i < pxs.length; i++) {
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211 series.add (a[0][i], a[1][i]);
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212 }
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213 addFirstAxisSeries(series);
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214 }
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215 }
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216 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org