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annotate artifacts/src/main/java/org/dive4elements/river/exports/process/DischargeProcessor.java @ 6898:ebe7dfffacc4

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DischargeProcessor: Handle main-values. Temporarily disable w/q data handling.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 22 Aug 2013 14:24:13 +0200
parents 34c04d877149
children 1b35b2ddfc28
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports.process;
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10
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11 import java.util.ArrayList;
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12 import java.util.List;
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13
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14 import org.apache.log4j.Logger;
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15 import org.jfree.data.xy.XYSeries;
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16 import org.w3c.dom.Document;
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17
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18 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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19 import org.dive4elements.artifacts.CallContext;
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20 import org.dive4elements.river.artifacts.model.FacetTypes;
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21 import org.dive4elements.river.artifacts.model.WQKms;
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22 import org.dive4elements.river.exports.DischargeCurveGenerator;
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23 import org.dive4elements.river.exports.StyledSeriesBuilder;
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24 import org.dive4elements.river.exports.XYChartGenerator;
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25 import org.dive4elements.river.jfree.CollisionFreeXYTextAnnotation;
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26 import org.dive4elements.river.jfree.RiverAnnotation;
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27 import org.dive4elements.river.jfree.StyledXYSeries;
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28 import org.dive4elements.river.utils.ThemeUtil;
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29
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30 import org.jfree.chart.annotations.XYTextAnnotation;
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31
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32
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33 /** Helper for data handling in discharge diagrams. */
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34 public class DischargeProcessor
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35 implements Processor, FacetTypes {
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36
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37 private final static Logger logger =
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38 Logger.getLogger(DischargeProcessor.class);
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39
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40 /** Station for which the diagram is shown. */
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41 private double km;
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42
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43 /** Tolerance for comparison of kilometers. */
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44 public static final double KM_EPSILON = 0.001d;
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45
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46
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47 /** This processor needs to be constructed with a given km. */
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48 private DischargeProcessor() {
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49 km = Double.NaN;
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50 }
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51
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52
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53 public DischargeProcessor(double km) {
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54 this.km = km;
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55 }
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56
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57
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58 /** Process data, add it to plot. */
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59 @Override
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60 public void doOut(
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61 XYChartGenerator generator,
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62 ArtifactAndFacet aandf,
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63 Document theme,
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64 boolean visible,
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65 int index
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66 ) {
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67 CallContext context = generator.getCallContext();
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68 Object data = aandf.getData(context);
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69 if (false && data instanceof WQKms) {
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70 doWQKmsPointOut(
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71 generator, (WQKms) data, aandf, theme, visible, index);
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72 return;
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73 }
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74 else if (data instanceof RiverAnnotation) {
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75 if (!(generator instanceof DischargeCurveGenerator)) {
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76 logger.error("DischargeProcessor can only be used in " +
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77 " in DischargeCurveGenerator-classes.");
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78 return;
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79 }
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80 DischargeCurveGenerator dGenerator =
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81 (DischargeCurveGenerator) generator;
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82
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83 RiverAnnotation mainValues = (RiverAnnotation) data;
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84 dGenerator.translateRiverAnnotation(mainValues);
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85 dGenerator.doAnnotations(
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86 mainValues,
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87 aandf, theme, visible);
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88 return;
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89 }
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90 logger.error("Can't process " + data.getClass().getName() + " objects");
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91 }
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92
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93
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94 /** True if this processor knows how to deal with facetType. */
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95 @Override
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96 public boolean canHandle(String facetType) {
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97 return /*STATIC_WQKMS_W.equals(facetType)
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98 ||*/ COMPUTED_DISCHARGE_MAINVALUES_Q.equals(facetType)
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99 || MAINVALUES_Q.equals(facetType)
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100 || COMPUTED_DISCHARGE_MAINVALUES_W.equals(facetType)
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101 || MAINVALUES_W.equals(facetType);
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102 }
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103
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104
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105 /** The station of the current calculation/view. */
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106 protected double getKm() {
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107 return km;
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108 }
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109
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110
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111 /** Handle WQKms data by finding w/q values at given km. */
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112 protected void doWQKmsPointOut(XYChartGenerator generator,
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113 WQKms wqkms,
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114 ArtifactAndFacet aandf,
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115 Document theme,
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116 boolean visible,
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117 int axidx
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118 ) {
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119 String title = aandf.getFacetDescription();
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120 XYSeries series = new StyledXYSeries(
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121 title,
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122 theme);
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123
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124 double[] kms = wqkms.getKms();
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125
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126 for (int i = 0 ; i< kms.length; i++) {
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127 if (Math.abs(kms[i] - getKm()) <= KM_EPSILON) {
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128 series.add(wqkms.getQ(i), wqkms.getW(i));
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129 generator.addAxisSeries(series, axidx, visible);
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130 if(visible && ThemeUtil.parseShowPointLabel(theme)) {
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131 List<XYTextAnnotation> textAnnos = new ArrayList<XYTextAnnotation>();
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132 XYTextAnnotation anno = new CollisionFreeXYTextAnnotation(
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133 title,
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134 wqkms.getQ(i),
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135 // TODO add a percentage to the extend of W axis
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136 wqkms.getW(i));
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137 textAnnos.add(anno);
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138 RiverAnnotation flysAnno = new RiverAnnotation(null, null, null, theme);
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139 flysAnno.setTextAnnotations(textAnnos);
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140 generator.addAnnotations(flysAnno);
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141 }
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142 return;
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143 }
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144 }
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145
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146 logger.warn("No WQ found for km " + getKm());
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147 }
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148 }
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149 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org