Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/raster/PolygonDatasetProducer.java @ 801:d766fe2d917a
More javadoc.
gnv-artifacts/trunk@883 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 06 Apr 2010 16:53:43 +0000 |
| parents | 6cff63d0c434 |
| children | feae2f9d6c6f |
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| 800:db5b04ecb426 | 801:d766fe2d917a |
|---|---|
| 10 | 10 |
| 11 import java.util.HashMap; | 11 import java.util.HashMap; |
| 12 import java.util.List; | 12 import java.util.List; |
| 13 | 13 |
| 14 /** | 14 /** |
| 15 * Vectorizer backend to produce polygon datasets suitable to being | |
| 16 * displayed with {@link de.intevation.gnv.jfreechart.PolygonPlot}. | |
| 17 * | |
| 15 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> | 18 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
| 16 */ | 19 */ |
| 17 public class PolygonDatasetProducer | 20 public class PolygonDatasetProducer |
| 18 extends AbstractProducer | 21 extends AbstractProducer |
| 19 { | 22 { |
| 23 /** | |
| 24 * Maps value integers to series of polygons to group | |
| 25 * them by value. | |
| 26 */ | |
| 20 protected HashMap<Integer, PolygonSeries> polygonSeries; | 27 protected HashMap<Integer, PolygonSeries> polygonSeries; |
| 21 | 28 |
| 29 /** | |
| 30 * Default constructor. | |
| 31 */ | |
| 22 protected PolygonDatasetProducer() { | 32 protected PolygonDatasetProducer() { |
| 23 } | 33 } |
| 24 | 34 |
| 35 /** | |
| 36 * Constructor to create a PolygonDatasetProducer with | |
| 37 * a given world bound box. | |
| 38 * @param minX Min x coord of the world. | |
| 39 * @param minY Min y coord of the world. | |
| 40 * @param maxX Max x coord of the world. | |
| 41 * @param maxY Max y coord of the world. | |
| 42 */ | |
| 25 public PolygonDatasetProducer( | 43 public PolygonDatasetProducer( |
| 26 double minX, double minY, | 44 double minX, double minY, |
| 27 double maxX, double maxY | 45 double maxX, double maxY |
| 28 | 46 |
| 29 ) { | 47 ) { |
| 77 ps.addRing(new CompactXYItems(vertices.toNativeArray())); | 95 ps.addRing(new CompactXYItems(vertices.toNativeArray())); |
| 78 vertices.reset(); | 96 vertices.reset(); |
| 79 } | 97 } |
| 80 } | 98 } |
| 81 | 99 |
| 100 /** | |
| 101 * Creates a new PolygonDataset from the polygons build by this | |
| 102 * backend. | |
| 103 * @return the new PolygonDataset | |
| 104 */ | |
| 82 public PolygonDataset getPolygonDataset() { | 105 public PolygonDataset getPolygonDataset() { |
| 83 return new PolygonDataset(polygonSeries.values()); | 106 return new PolygonDataset(polygonSeries.values()); |
| 84 } | 107 } |
| 85 } | 108 } |
| 86 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 109 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |