Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java @ 447:92b7ccbf6163
Improved generation of iso lines in vertical cross section.
gnv-artifacts/trunk@495 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Fri, 01 Jan 2010 21:52:41 +0000 |
| parents | f5a041000357 |
| children | 3cb2bea50456 |
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| 446:f5a041000357 | 447:92b7ccbf6163 |
|---|---|
| 74 import de.intevation.gnv.raster.Filter; | 74 import de.intevation.gnv.raster.Filter; |
| 75 import de.intevation.gnv.raster.PaletteManager; | 75 import de.intevation.gnv.raster.PaletteManager; |
| 76 import de.intevation.gnv.raster.Palette; | 76 import de.intevation.gnv.raster.Palette; |
| 77 import de.intevation.gnv.raster.Raster; | 77 import de.intevation.gnv.raster.Raster; |
| 78 import de.intevation.gnv.raster.PolygonDatasetProducer; | 78 import de.intevation.gnv.raster.PolygonDatasetProducer; |
| 79 import de.intevation.gnv.raster.IsoPolygonSeriesProducer; | |
| 79 import de.intevation.gnv.raster.Vectorizer; | 80 import de.intevation.gnv.raster.Vectorizer; |
| 80 | 81 |
| 81 import de.intevation.gnv.jfreechart.PolygonDataset; | 82 import de.intevation.gnv.jfreechart.PolygonDataset; |
| 83 import de.intevation.gnv.jfreechart.PolygonSeries; | |
| 82 | 84 |
| 83 /** | 85 /** |
| 84 * @author Tim Englich (tim.englich@intevation.de) | 86 * @author Tim Englich (tim.englich@intevation.de) |
| 85 * @author Ingo Weinzierl (iweinzierl@intevation.de) | 87 * @author Ingo Weinzierl (iweinzierl@intevation.de) |
| 86 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) | 88 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) |
| 290 | 292 |
| 291 if (debug) { | 293 if (debug) { |
| 292 log.debug("vectorize indexed raster"); | 294 log.debug("vectorize indexed raster"); |
| 293 } | 295 } |
| 294 | 296 |
| 297 double maxDepth = interpolation.getMaxDepth(); | |
| 298 | |
| 295 PolygonDatasetProducer pdsp = new PolygonDatasetProducer( | 299 PolygonDatasetProducer pdsp = new PolygonDatasetProducer( |
| 296 0, 0, | 300 0, 0, |
| 297 distance, interpolation.getMaxDepth()); | 301 distance, maxDepth); |
| 298 | 302 |
| 299 Vectorizer vectorizer = new Vectorizer( | 303 int numRegions = new Vectorizer(intRaster, rasterSize.width) |
| 300 intRaster, rasterSize.width); | 304 .process(pdsp); |
| 301 | 305 |
| 302 int numRegions = vectorizer.process(pdsp); | 306 intRaster = null; // help gc |
| 303 | |
| 304 vectorizer = null; intRaster = null; // help gc | |
| 305 | 307 |
| 306 PolygonDataset pds = pdsp.getPolygonDataset(); | 308 PolygonDataset pds = pdsp.getPolygonDataset(); |
| 307 | 309 |
| 308 if (debug) { | 310 if (debug) { |
| 309 log.debug("number of regions: " + numRegions); | 311 log.debug("number of regions: " + numRegions); |
| 310 log.debug("number of series: " + pds.getSeriesCount()); | 312 log.debug("number of series: " + pds.getSeriesCount()); |
| 311 } | 313 } |
| 314 | |
| 315 // generate iso lines | |
| 316 | |
| 317 Palette isoPalette = paletteManager.getLevel(2); | |
| 318 | |
| 319 intRaster = raster.toIndexed(isoPalette); | |
| 320 | |
| 321 IsoPolygonSeriesProducer ipsp = new IsoPolygonSeriesProducer( | |
| 322 0, 0, | |
| 323 distance, maxDepth); | |
| 324 | |
| 325 numRegions = new Vectorizer(false, intRaster, rasterSize.width) | |
| 326 .process(ipsp); | |
| 327 | |
| 328 // TODO: Use label generator | |
| 329 Collection<PolygonSeries> ps = ipsp.getSeries(/* label generator */); | |
| 330 | |
| 331 if (debug) { | |
| 332 log.debug("num of iso regions: " + numRegions); | |
| 333 log.debug("num of iso series: " + ps.size()); | |
| 334 } | |
| 335 | |
| 336 pds.addAllSeries(ps); | |
| 312 | 337 |
| 313 columns.setInterpolation(interpolation); | 338 columns.setInterpolation(interpolation); |
| 314 columns.setPolygonDataset(pds); | 339 columns.setPolygonDataset(pds); |
| 315 | 340 |
| 316 return columns; | 341 return columns; |