Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonDataset.java @ 605:e8ebdbc7f1e3

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First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog). gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 09 Feb 2010 14:27:55 +0000
parents 92b7ccbf6163
children b1f5f2a8840f
rev   line source
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1 package de.intevation.gnv.jfreechart;
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2
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3 import java.util.List;
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4 import java.util.Collection;
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5 import java.util.ArrayList;
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6
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7 import org.jfree.data.Range;
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8 import org.jfree.data.general.AbstractSeriesDataset;
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9
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10 /**
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11 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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12 */
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13 public class PolygonDataset
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14 extends AbstractSeriesDataset
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15 {
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16 /** PolygonSeries included in this Dataset */
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17 private List data;
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18
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19
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20 public PolygonDataset() {
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21 data = new ArrayList();
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22 }
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23
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24 public PolygonDataset(Collection series) {
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25 data = new ArrayList(series);
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26 }
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27
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28 public PolygonDataset(PolygonSeries series) {
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29 this();
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30
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31 if (series != null) {
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32 data.add(series);
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33 }
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34 }
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35
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36
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37 public void addSeries(PolygonSeries series) {
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38 if (series == null)
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39 throw new IllegalArgumentException("Null 'series' argument.");
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40
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41 data.add(series);
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42 }
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43
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44 public void addAllSeries(Collection<PolygonSeries> series) {
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45 data.addAll(series);
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46 }
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47
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48 public Range getDomainBounds() {
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49 double lower = Double.POSITIVE_INFINITY;
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50 double upper = Double.NEGATIVE_INFINITY;
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51 int seriesCount = getSeriesCount();
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52
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53 for (int s = 0; s < seriesCount; s++) {
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54 PolygonSeries series = getSeries(s);
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55
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56 Range domainRange = series.getDomainBounds();
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57 double minX = domainRange.getLowerBound();
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58 if (!Double.isNaN(minX)) {
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59 lower = Math.min(lower, minX);
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60 }
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61
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62 double maxX = domainRange.getUpperBound();
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63 if (!Double.isNaN(maxX)) {
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64 upper = Math.max(upper, maxX);
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65 }
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66 }
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67
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68 return new Range(lower, upper);
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69 }
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70
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71
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72 public Range getRangeBounds() {
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73 double lower = Double.POSITIVE_INFINITY;
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74 double upper = Double.NEGATIVE_INFINITY;
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75 int seriesCount = getSeriesCount();
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76
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77 for (int i = 0; i < seriesCount; i++) {
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78 PolygonSeries series = getSeries(i);
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79
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80 Range range = series.getRangeBounds();
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81 double minX = range.getLowerBound();
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82 if (!Double.isNaN(minX)) {
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83 lower = Math.min(lower, minX);
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84 }
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85
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86 double maxX = range.getUpperBound();
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87 if (!Double.isNaN(maxX)) {
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88 upper = Math.max(upper, maxX);
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89 }
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90 }
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91
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92 return new Range(lower, upper);
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93 }
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94
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95
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96 public int getSeriesCount() {
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97 return data.size();
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98 }
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99
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100
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101 public Comparable getSeriesKey(int series) {
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102 return ((PolygonSeries)data.get(series)).getKey();
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103 }
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104
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105
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106 public PolygonSeries getSeries(int idx) {
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107 return (PolygonSeries)data.get(idx);
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108 }
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109 }
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110 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org