Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonDataset.java @ 422:f426f55d4f7a

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Added Ingo Weinzierl's special JFreeChart classes. gnv-artifacts/trunk@470 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 21 Dec 2009 16:47:45 +0000
parents
children 6642ab6c583c
rev   line source
422
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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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.ArrayList;
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5
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6 import org.jfree.data.Range;
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7 import org.jfree.data.general.AbstractSeriesDataset;
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8
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9 /**
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10 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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11 */
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12 public class PolygonDataset
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13 extends AbstractSeriesDataset
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14 {
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15 /** PolygonSeries included in this Dataset */
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16 private List data;
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17
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18
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19 public PolygonDataset() {
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20 this(null);
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21 }
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22
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23
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24 public PolygonDataset(PolygonSeries series) {
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25 data = new ArrayList();
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26
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27 if (series != null) {
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28 data.add(series);
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29 }
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30 }
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31
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32
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33 public void addSeries(PolygonSeries series) {
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34 if (series == null)
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35 throw new IllegalArgumentException("Null 'series' argument.");
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36
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37 data.add(series);
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38 }
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39
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40
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41 public Range getDomainBounds() {
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42 double lower = Double.POSITIVE_INFINITY;
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43 double upper = Double.NEGATIVE_INFINITY;
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44 int seriesCount = getSeriesCount();
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45
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46 for (int s = 0; s < seriesCount; s++) {
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47 PolygonSeries series = getSeries(s);
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48
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49 Range domainRange = series.getDomainBounds();
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50 double minX = domainRange.getLowerBound();
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51 if (!Double.isNaN(minX)) {
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52 lower = Math.min(lower, minX);
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53 }
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54
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55 double maxX = domainRange.getUpperBound();
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56 if (!Double.isNaN(maxX)) {
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57 upper = Math.max(upper, maxX);
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58 }
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59 }
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60
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61 return new Range(lower, upper);
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62 }
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63
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64
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65 public Range getRangeBounds() {
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66 double lower = Double.POSITIVE_INFINITY;
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67 double upper = Double.NEGATIVE_INFINITY;
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68 int seriesCount = getSeriesCount();
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69
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70 for (int i = 0; i < seriesCount; i++) {
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71 PolygonSeries series = getSeries(i);
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72
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73 Range range = series.getRangeBounds();
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74 double minX = range.getLowerBound();
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75 if (!Double.isNaN(minX)) {
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76 lower = Math.min(lower, minX);
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77 }
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78
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79 double maxX = range.getUpperBound();
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80 if (!Double.isNaN(maxX)) {
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81 upper = Math.max(upper, maxX);
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82 }
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83 }
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84
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85 return new Range(lower, upper);
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86 }
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87
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88
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89 public int getSeriesCount() {
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90 return data.size();
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91 }
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92
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93
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94 public Comparable getSeriesKey(int series) {
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95 return ((PolygonSeries)data.get(series)).getKey();
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96 }
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97
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98
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99 public PolygonSeries getSeries(int idx) {
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100 return (PolygonSeries)data.get(idx);
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org