Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java @ 1170:1e1ef8b750db

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Partial fix flys/issue304 (3:Display ZeroBaseline). flys-artifacts/trunk@2732 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 14 Sep 2011 09:36:28 +0000
parents 588798ef4791
children d1b20d0e9eb4
rev   line source
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08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
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1 package de.intevation.flys.exports;
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2
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
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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.plot.XYPlot;
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7 import org.jfree.chart.title.TextTitle;
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8 import org.jfree.data.xy.XYSeries;
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9
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10 import org.w3c.dom.Document;
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11
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12 import de.intevation.artifacts.Artifact;
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13
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14 import de.intevation.artifactdatabase.state.Facet;
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15
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16 import de.intevation.flys.artifacts.FLYSArtifact;
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17 import de.intevation.flys.artifacts.model.FacetTypes;
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18 import de.intevation.flys.artifacts.model.WKms;
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19
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20 import de.intevation.flys.utils.DataUtil;
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21
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22
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23 /**
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24 * An OutGenerator that generates w differences curves.
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25 */
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26 public class WDifferencesCurveGenerator
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27 extends LongitudinalSectionGenerator
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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(WDifferencesCurveGenerator.class);
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33
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34 public static final String I18N_CHART_TITLE =
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35 "chart.w_differences.title";
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36
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37 public static final String I18N_CHART_SUBTITLE =
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38 "chart.w_differences.subtitle";
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39
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40 public static final String I18N_2YAXIS_LABEL =
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41 "chart.w_differences.yaxis.second.label";
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42
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43 // TODO proper i18n.
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44 public static final String I18N_CHART_TITLE_DEFAULT = "W-Differenzen";
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45 public static final String I18N_XAXIS_LABEL_DEFAULT = "km";
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46 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]";
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47
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48
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49 /**
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50 * Add a subtitle to Chart.
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51 * @param chart Chart to add subtitle to.
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52 */
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53 @Override
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54 protected void addSubtitles(JFreeChart chart) {
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55 String subtitle = msg(I18N_CHART_SUBTITLE, "");
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56 chart.addSubtitle(new TextTitle(subtitle));
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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 * Add (themed) data for chart generation.
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62 */
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63 public void doOut(Artifact artifact, Facet facet, Document attr) {
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64 String name = facet.getName();
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65
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66 logger.debug("WDifferencesCurveGenerator.doOut: " + name);
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67
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68 if (name == null) {
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69 logger.error("No facet name for doOut(). No output generated!");
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70 return;
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71 }
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72
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73 FLYSArtifact flys = (FLYSArtifact) artifact;
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74 Facet f = flys.getNativeFacet(facet);
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75
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76 if (f == null) {
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77 return;
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78 }
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79
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80 if (name.equals(W_DIFFERENCES)) {
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81 doWDifferencesOut((WKms) f.getData(artifact, context), f.getDescription(), attr);
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82 }
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83 else {
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84 logger.warn("Unknown facet name: " + name);
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85 return;
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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 /**
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91 * Add items to dataseries which describes the differences.
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92 */
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93 protected void doWDifferencesOut(WKms wkms, String seriesName, Document theme) {
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94 logger.debug("WDifferencesCurveGenerator.doWDifferencesOut");
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95 if (wkms == null) {
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96 logger.warn("No data to add to WDifferencesChart.");
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97 return;
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98 }
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99
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100 int size = wkms.size();
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101 XYSeries series = new StyledXYSeries(seriesName, theme);
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102
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103 if (logger.isDebugEnabled()) {
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104 if (wkms.size() > 0) {
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105 logger.debug("Generate series: " + series.getKey());
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106 logger.debug("Start km: " + wkms.getKm(0));
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107 logger.debug("End km: " + wkms.getKm(size-1));
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108 logger.debug("Values : " + size);
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109 }
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110 }
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111
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112 for (int i = 0; i < size; i++) {
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113 series.add(wkms.getKm(i), wkms.getW(i));
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114 }
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115
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116 addFirstAxisSeries(series);
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117 if (DataUtil.guessWaterIncreasing(wkms)) {
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118 setInverted(true);
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119 }
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120 }
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121
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122
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123 /**
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124 *
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125 */
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126 @Override
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127 public JFreeChart generateChart() {
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128 JFreeChart chart = super.generateChart();
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129 if (chart != null && chart.getPlot() != null) {
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130 XYPlot plot = (XYPlot) chart.getPlot();
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131 plot.setRangeZeroBaselineVisible(true);
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132 }
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133 return chart;
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134 }
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135
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136 /**
1151
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137 * Get name of series (displayed in legend).
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138 * @return name of the series.
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139 */
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140 protected String getSeriesName(WKms wqkms, String mode) {
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141 String name = wqkms.getName();
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142 String prefix = (name != null && name.indexOf(mode) >= 0)
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143 ? null
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144 : mode;
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145
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146 return (prefix != null && prefix.length() > 0)
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147 ? prefix + "(" + name +")"
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148 : name;
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149 }
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150 }
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151 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org