Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/process/DischargeProcessor.java @ 6914:695a5f6599b4

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Minor refactoring, renamed variable, extracted method.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Mon, 26 Aug 2013 14:28:19 +0200
parents 1b35b2ddfc28
children 6fb355b87f50
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
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17 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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18 import org.dive4elements.artifacts.CallContext;
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19 import org.dive4elements.river.artifacts.model.FacetTypes;
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20 import org.dive4elements.river.artifacts.model.WQKms;
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21 import org.dive4elements.river.exports.DischargeCurveGenerator;
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22 import org.dive4elements.river.exports.XYChartGenerator;
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23 import org.dive4elements.river.jfree.CollisionFreeXYTextAnnotation;
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24 import org.dive4elements.river.jfree.RiverAnnotation;
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25 import org.dive4elements.river.jfree.StyledXYSeries;
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26 import org.dive4elements.river.themes.ThemeDocument;
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27
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28 import org.jfree.chart.annotations.XYTextAnnotation;
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29
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30
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31 /** Helper for data handling in discharge diagrams. */
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32 public class DischargeProcessor
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33 implements Processor, FacetTypes {
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34
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35 private final static Logger logger =
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36 Logger.getLogger(DischargeProcessor.class);
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37
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38 /** Station for which the diagram is shown. */
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39 private double km;
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40
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41 /** Tolerance for comparison of kilometers. */
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42 public static final double KM_EPSILON = 0.001d;
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43
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44
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45 /** This processor needs to be constructed with a given km. */
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46 private DischargeProcessor() {
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47 km = Double.NaN;
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48 }
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49
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50
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51 public DischargeProcessor(double km) {
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52 this.km = km;
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53 }
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54
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55
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56 /** Process data, add it to plot. */
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57 @Override
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58 public void doOut(
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59 XYChartGenerator generator,
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60 ArtifactAndFacet aandf,
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61 ThemeDocument theme,
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62 boolean visible,
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63 int axisIndex
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64 ) {
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65 CallContext context = generator.getCallContext();
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66 Object data = aandf.getData(context);
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67 if (false && data instanceof WQKms) {
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68 doWQKmsPointOut(
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69 generator, (WQKms) data, aandf, theme, visible, axisIndex);
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70 return;
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71 }
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72 else if (data instanceof RiverAnnotation) {
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73 doRiverAnnotationOut(
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74 generator, (RiverAnnotation) data, aandf, theme, visible);
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75 return;
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76 }
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77 logger.error("Can't process " + data.getClass().getName() + " objects");
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78 }
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79
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80
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81 /** True if this processor knows how to deal with facetType. */
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82 @Override
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83 public boolean canHandle(String facetType) {
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84 return /*STATIC_WQKMS_W.equals(facetType)
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85 ||*/ COMPUTED_DISCHARGE_MAINVALUES_Q.equals(facetType)
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86 || MAINVALUES_Q.equals(facetType)
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87 || COMPUTED_DISCHARGE_MAINVALUES_W.equals(facetType)
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88 || MAINVALUES_W.equals(facetType);
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89 }
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90
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91
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92 /** The station of the current calculation/view. */
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93 protected double getKm() {
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94 return km;
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95 }
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96
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97
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98 /** Handle WQKms data by finding w/q values at given km. */
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99 protected void doWQKmsPointOut(XYChartGenerator generator,
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100 WQKms wqkms,
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101 ArtifactAndFacet aandf,
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102 ThemeDocument theme,
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103 boolean visible,
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104 int axidx
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105 ) {
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106 logger.debug("doWQKmsPointOut");
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107 String title = aandf.getFacetDescription();
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108 XYSeries series = new StyledXYSeries(
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109 title,
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110 theme);
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111
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112 double[] kms = wqkms.getKms();
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113
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114 for (int i = 0 ; i< kms.length; i++) {
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115 if (Math.abs(kms[i] - getKm()) <= KM_EPSILON) {
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116 series.add(wqkms.getQ(i), wqkms.getW(i));
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117 generator.addAxisSeries(series, axidx, visible);
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118 if(visible && theme.parseShowPointLabel()) {
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119 List<XYTextAnnotation> textAnnos = new ArrayList<XYTextAnnotation>();
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120 XYTextAnnotation anno = new CollisionFreeXYTextAnnotation(
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121 title,
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122 wqkms.getQ(i),
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123 // TODO add a percentage to the extend of W axis
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124 wqkms.getW(i));
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125 textAnnos.add(anno);
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126 RiverAnnotation flysAnno = new RiverAnnotation(null, null, null, theme);
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127 flysAnno.setTextAnnotations(textAnnos);
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128 generator.addAnnotations(flysAnno);
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129 }
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130 return;
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131 }
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132 }
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34c04d877149 DischargeProcessor: Minor refactoring (use getter), warn when no Ẁ/Q data found.
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133
34c04d877149 DischargeProcessor: Minor refactoring (use getter), warn when no Ẁ/Q data found.
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134 logger.warn("No WQ found for km " + getKm());
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9b35bf3227e9 Initial DischargeProcessor-commit (skeleton).
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135 }
9b35bf3227e9 Initial DischargeProcessor-commit (skeleton).
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136 }
9b35bf3227e9 Initial DischargeProcessor-commit (skeleton).
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137 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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