Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1684:bdb05dc9b763

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Bugfix: #353 Enabled chart's to be drawn with proper axes set even if no data is contained. flys-artifacts/trunk@2902 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 07 Oct 2011 10:51:09 +0000
parents fbe18ad4caff
children 0053a4529f2f
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.plot.XYPlot;
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8 import org.jfree.chart.title.TextTitle;
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9 import org.jfree.data.xy.XYSeries;
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10
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11 import org.w3c.dom.Document;
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12
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13 import de.intevation.artifacts.Artifact;
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14
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15 import de.intevation.artifactdatabase.state.Facet;
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16
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17 import de.intevation.flys.artifacts.FLYSArtifact;
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18 import de.intevation.flys.artifacts.WINFOArtifact;
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19
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20 import de.intevation.flys.artifacts.model.FacetTypes;
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21
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22
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23 /**
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24 * An OutGenerator that generates cross section graphs.
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25 */
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26 public class CrossSectionGenerator
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27 extends XYChartGenerator
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28 implements FacetTypes
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29 {
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30 /** The logger that is used in this generator. */
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31 private static Logger logger =
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32 Logger.getLogger(CrossSectionGenerator.class);
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33
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34 public static final String I18N_CHART_TITLE =
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35 "chart.cross_section.title";
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36
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37 public static final String I18N_CHART_SUBTITLE =
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38 "chart.cross_section.subtitle";
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39
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40 public static final String I18N_XAXIS_LABEL =
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41 "chart.cross_section.xaxis.label";
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42
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43 public static final String I18N_YAXIS_LABEL =
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44 "chart.cross_section.yaxis.label";
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45
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46 public static final String I18N_CHART_TITLE_DEFAULT = "Querprofildiagramm";
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47 public static final String I18N_XAXIS_LABEL_DEFAULT = "Abstand [m]";
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48 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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49
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50
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51 /** Trivial Constructor. */
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52 public CrossSectionGenerator() {
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53 super();
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54 }
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55
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56
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57 /**
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58 * Get localized chart title.
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59 */
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60 protected String getChartTitle() {
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61 // TODO get river etc for localized heading
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62 Object[] i18n_msg_args = new Object[] {
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63 getRiverName()
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64 };
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65 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT, i18n_msg_args);
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66 }
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67
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68
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69 /**
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70 * Add localized subtitle to chart.
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71 */
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72 @Override
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73 protected void addSubtitles(JFreeChart chart) {
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74 double[] dist = getRange();
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75
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76 Object[] args = new Object[] {
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77 getRiverName(),
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78 getKm()
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79 };
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80
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81 String subtitle = msg(I18N_CHART_SUBTITLE, "", args);
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82 chart.addSubtitle(new TextTitle(subtitle));
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83 }
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84
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85
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86 /**
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87 * Get localized X Axis label.
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88 */
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89 protected String getXAxisLabel() {
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90 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
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91 }
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92
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93
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94 /**
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95 * Get cross_section.km data from artifact.
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96 */
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97 protected Double getKm() {
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98 try {
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99 WINFOArtifact winfo = (WINFOArtifact) master;
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100 return winfo.getCrossSectionSnapKm();
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101 }
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102 catch (Exception e) {
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103 logger.error("Cannot convert cross_section.km to double");
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104 return 0.0d;
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105 }
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106 }
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107
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108
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109 /**
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110 * Get localized Y Axis label.
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111 */
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112 protected String getYAxisLabel() {
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113 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
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114 }
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115
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116
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117 protected void adjustAxes(XYPlot plot) {
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118 super.adjustAxes(plot);
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119
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120 NumberAxis qAxis = new NumberAxis(
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121 msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT));
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122
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123 plot.setRangeAxis(1, qAxis);
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124 }
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125
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126
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127 /**
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128 * Let one facet do its job.
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129 */
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130 public void doOut(
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131 Artifact artifact,
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132 Facet facet,
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133 Document attr,
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134 boolean visible
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135 ) {
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136 String name = facet.getName();
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137
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138 logger.debug("CrossSectionGenerator.doOut: " + name);
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139
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140 if (name == null) {
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141 logger.error("No facet name for doOut(). No output generated!");
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142 return;
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143 }
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144
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145 FLYSArtifact flys = (FLYSArtifact) artifact;
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146 Facet f = flys.getNativeFacet(facet);
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147
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148 if (f == null) {
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149 return;
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150 }
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151
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152 if (name.equals(CROSS_SECTION)) {
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153 doCrossSectionOut(
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154 f.getData(artifact, context),
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155 f.getDescription(),
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156 attr,
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157 visible);
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158 }
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159 else if (name.equals(CROSS_SECTION_WATER_LINE)) {
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160 doCrossSectionWaterLineOut(
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161 f.getData(artifact, context),
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162 f.getDescription(),
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163 attr,
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164 visible);
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165 }
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166 else {
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167 logger.warn("CrossSection.doOut: Unknown facet name: " + name);
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168 return;
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169 }
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170 }
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171
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172
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173 /**
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174 * Do cross sections waterline out.
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175 *
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176 * @param seriesName name of the data (line) to display in legend.
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177 * @param theme Theme for the data series.
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178 */
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179 protected void doCrossSectionWaterLineOut(
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180 Object o,
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181 String seriesName,
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182 Document theme,
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183 boolean visible
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184 ) {
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185 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut");
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186
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187 XYSeries series = new StyledXYSeries(seriesName, theme);
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188
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189 double[][] a = (double [][]) o;
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190 double [] pxs = a[0];
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191 for (int i = 0; i < pxs.length; i++) {
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192 series.add (a[0][i], a[1][i]);
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193 }
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194 addFirstAxisSeries(series, visible);
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195 }
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196
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197
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198 /**
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199 * Do cross sections out.
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200 *
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201 * @param seriesName name of the data (line) to display in legend.
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202 * @param theme Theme for the data series.
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203 */
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204 protected void doCrossSectionOut(
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205 Object o,
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206 String seriesName,
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207 Document theme,
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208 boolean visible
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209 ) {
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210 logger.debug("CrossSectionGenerator.doCrossSectionOut");
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211
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212 XYSeries series = new StyledXYSeries(seriesName, theme);
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213
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214 double[][] a = (double [][]) o;
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215 double [] pxs = a[0];
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216 for (int i = 0; i < pxs.length; i++) {
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217 series.add (a[0][i], a[1][i]);
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218 }
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219 addFirstAxisSeries(series, visible);
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220 }
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221 }
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222 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org