Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonDataset.java @ 438:7399bb8f83ea

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Added manager to handle several levels of palette subdivsions. Added parameter ids to identify the palette associated with a parameter gnv-artifacts/trunk@486 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 28 Dec 2009 11:50:27 +0000
parents 6642ab6c583c
children 92b7ccbf6163
rev   line source
422
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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
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45 public Range getDomainBounds() {
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46 double lower = Double.POSITIVE_INFINITY;
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47 double upper = Double.NEGATIVE_INFINITY;
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48 int seriesCount = getSeriesCount();
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49
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50 for (int s = 0; s < seriesCount; s++) {
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51 PolygonSeries series = getSeries(s);
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52
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53 Range domainRange = series.getDomainBounds();
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54 double minX = domainRange.getLowerBound();
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55 if (!Double.isNaN(minX)) {
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56 lower = Math.min(lower, minX);
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57 }
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58
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59 double maxX = domainRange.getUpperBound();
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60 if (!Double.isNaN(maxX)) {
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61 upper = Math.max(upper, maxX);
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62 }
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63 }
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64
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65 return new Range(lower, upper);
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66 }
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67
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68
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69 public Range getRangeBounds() {
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70 double lower = Double.POSITIVE_INFINITY;
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71 double upper = Double.NEGATIVE_INFINITY;
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72 int seriesCount = getSeriesCount();
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73
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74 for (int i = 0; i < seriesCount; i++) {
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75 PolygonSeries series = getSeries(i);
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76
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77 Range range = series.getRangeBounds();
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78 double minX = range.getLowerBound();
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79 if (!Double.isNaN(minX)) {
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80 lower = Math.min(lower, minX);
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81 }
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82
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83 double maxX = range.getUpperBound();
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84 if (!Double.isNaN(maxX)) {
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85 upper = Math.max(upper, maxX);
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86 }
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87 }
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88
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89 return new Range(lower, upper);
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90 }
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91
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92
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93 public int getSeriesCount() {
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94 return data.size();
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95 }
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96
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97
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98 public Comparable getSeriesKey(int series) {
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99 return ((PolygonSeries)data.get(series)).getKey();
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100 }
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101
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102
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103 public PolygonSeries getSeries(int idx) {
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104 return (PolygonSeries)data.get(idx);
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105 }
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106 }
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org