Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java @ 1178:1b432c260e97
Enabled the FloodMapState to fetch waterlevel data from external Artifact.
flys-artifacts/trunk@2764 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 15 Sep 2011 15:36:05 +0000 |
parents | 1e1ef8b750db |
children | d1b20d0e9eb4 |
rev | line source |
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1151
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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.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 /** |
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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 : |