Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonDataset.java @ 779:b1f5f2a8840f

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Ordered imports. Removed needless imports. Removed empty headers. gnv-artifacts/trunk@854 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 08:51:20 +0000
parents 92b7ccbf6163
children c4156275c1e1
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.ArrayList;
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4 import java.util.Collection;
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5 import java.util.List;
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6
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7 import org.jfree.data.Range;
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8
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9 import org.jfree.data.general.AbstractSeriesDataset;
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10
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11 /**
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12 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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13 */
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14 public class PolygonDataset
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15 extends AbstractSeriesDataset
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16 {
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17 /** PolygonSeries included in this Dataset */
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18 private List data;
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19
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20
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21 public PolygonDataset() {
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22 data = new ArrayList();
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23 }
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24
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25 public PolygonDataset(Collection series) {
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26 data = new ArrayList(series);
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27 }
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28
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29 public PolygonDataset(PolygonSeries series) {
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30 this();
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31
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32 if (series != null) {
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33 data.add(series);
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34 }
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35 }
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36
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37
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38 public void addSeries(PolygonSeries series) {
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39 if (series == null)
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40 throw new IllegalArgumentException("Null 'series' argument.");
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41
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42 data.add(series);
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43 }
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44
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45 public void addAllSeries(Collection<PolygonSeries> series) {
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46 data.addAll(series);
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47 }
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48
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49 public Range getDomainBounds() {
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50 double lower = Double.POSITIVE_INFINITY;
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51 double upper = Double.NEGATIVE_INFINITY;
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52 int seriesCount = getSeriesCount();
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53
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54 for (int s = 0; s < seriesCount; s++) {
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55 PolygonSeries series = getSeries(s);
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56
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57 Range domainRange = series.getDomainBounds();
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58 double minX = domainRange.getLowerBound();
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59 if (!Double.isNaN(minX)) {
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60 lower = Math.min(lower, minX);
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61 }
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62
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63 double maxX = domainRange.getUpperBound();
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64 if (!Double.isNaN(maxX)) {
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65 upper = Math.max(upper, maxX);
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66 }
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67 }
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68
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69 return new Range(lower, upper);
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70 }
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71
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72
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73 public Range getRangeBounds() {
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74 double lower = Double.POSITIVE_INFINITY;
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75 double upper = Double.NEGATIVE_INFINITY;
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76 int seriesCount = getSeriesCount();
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77
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78 for (int i = 0; i < seriesCount; i++) {
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79 PolygonSeries series = getSeries(i);
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80
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81 Range range = series.getRangeBounds();
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82 double minX = range.getLowerBound();
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83 if (!Double.isNaN(minX)) {
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84 lower = Math.min(lower, minX);
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85 }
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86
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87 double maxX = range.getUpperBound();
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88 if (!Double.isNaN(maxX)) {
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89 upper = Math.max(upper, maxX);
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90 }
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91 }
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92
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93 return new Range(lower, upper);
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94 }
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95
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96
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97 public int getSeriesCount() {
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98 return data.size();
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99 }
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100
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101
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102 public Comparable getSeriesKey(int series) {
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103 return ((PolygonSeries)data.get(series)).getKey();
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104 }
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105
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106
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107 public PolygonSeries getSeries(int idx) {
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108 return (PolygonSeries)data.get(idx);
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109 }
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110 }
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111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org