Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonDataset.java @ 422:f426f55d4f7a
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 |
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| 421:fd71ee76fa58 | 422:f426f55d4f7a |
|---|---|
| 1 package de.intevation.gnv.jfreechart; | |
| 2 | |
| 3 import java.util.List; | |
| 4 import java.util.ArrayList; | |
| 5 | |
| 6 import org.jfree.data.Range; | |
| 7 import org.jfree.data.general.AbstractSeriesDataset; | |
| 8 | |
| 9 /** | |
| 10 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> | |
| 11 */ | |
| 12 public class PolygonDataset | |
| 13 extends AbstractSeriesDataset | |
| 14 { | |
| 15 /** PolygonSeries included in this Dataset */ | |
| 16 private List data; | |
| 17 | |
| 18 | |
| 19 public PolygonDataset() { | |
| 20 this(null); | |
| 21 } | |
| 22 | |
| 23 | |
| 24 public PolygonDataset(PolygonSeries series) { | |
| 25 data = new ArrayList(); | |
| 26 | |
| 27 if (series != null) { | |
| 28 data.add(series); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 | |
| 33 public void addSeries(PolygonSeries series) { | |
| 34 if (series == null) | |
| 35 throw new IllegalArgumentException("Null 'series' argument."); | |
| 36 | |
| 37 data.add(series); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 public Range getDomainBounds() { | |
| 42 double lower = Double.POSITIVE_INFINITY; | |
| 43 double upper = Double.NEGATIVE_INFINITY; | |
| 44 int seriesCount = getSeriesCount(); | |
| 45 | |
| 46 for (int s = 0; s < seriesCount; s++) { | |
| 47 PolygonSeries series = getSeries(s); | |
| 48 | |
| 49 Range domainRange = series.getDomainBounds(); | |
| 50 double minX = domainRange.getLowerBound(); | |
| 51 if (!Double.isNaN(minX)) { | |
| 52 lower = Math.min(lower, minX); | |
| 53 } | |
| 54 | |
| 55 double maxX = domainRange.getUpperBound(); | |
| 56 if (!Double.isNaN(maxX)) { | |
| 57 upper = Math.max(upper, maxX); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 return new Range(lower, upper); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 public Range getRangeBounds() { | |
| 66 double lower = Double.POSITIVE_INFINITY; | |
| 67 double upper = Double.NEGATIVE_INFINITY; | |
| 68 int seriesCount = getSeriesCount(); | |
| 69 | |
| 70 for (int i = 0; i < seriesCount; i++) { | |
| 71 PolygonSeries series = getSeries(i); | |
| 72 | |
| 73 Range range = series.getRangeBounds(); | |
| 74 double minX = range.getLowerBound(); | |
| 75 if (!Double.isNaN(minX)) { | |
| 76 lower = Math.min(lower, minX); | |
| 77 } | |
| 78 | |
| 79 double maxX = range.getUpperBound(); | |
| 80 if (!Double.isNaN(maxX)) { | |
| 81 upper = Math.max(upper, maxX); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 return new Range(lower, upper); | |
| 86 } | |
| 87 | |
| 88 | |
| 89 public int getSeriesCount() { | |
| 90 return data.size(); | |
| 91 } | |
| 92 | |
| 93 | |
| 94 public Comparable getSeriesKey(int series) { | |
| 95 return ((PolygonSeries)data.get(series)).getKey(); | |
| 96 } | |
| 97 | |
| 98 | |
| 99 public PolygonSeries getSeries(int idx) { | |
| 100 return (PolygonSeries)data.get(idx); | |
| 101 } | |
| 102 } | |
| 103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |