Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java @ 448:3cb2bea50456
Generate iso line classes according gnv-issues/issue108
gnv-artifacts/trunk@496 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sun, 03 Jan 2010 12:16:55 +0000 |
| parents | 92b7ccbf6163 |
| children | 04cfb4e3da4f |
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| 447:92b7ccbf6163 | 448:3cb2bea50456 |
|---|---|
| 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.IsoAttributeGenerator; | |
| 79 import de.intevation.gnv.raster.IsoPolygonSeriesProducer; | 80 import de.intevation.gnv.raster.IsoPolygonSeriesProducer; |
| 80 import de.intevation.gnv.raster.Vectorizer; | 81 import de.intevation.gnv.raster.Vectorizer; |
| 81 | 82 |
| 82 import de.intevation.gnv.jfreechart.PolygonDataset; | 83 import de.intevation.gnv.jfreechart.PolygonDataset; |
| 83 import de.intevation.gnv.jfreechart.PolygonSeries; | 84 import de.intevation.gnv.jfreechart.PolygonSeries; |
| 282 if (debug) { | 283 if (debug) { |
| 283 log.debug("to indexed raster"); | 284 log.debug("to indexed raster"); |
| 284 } | 285 } |
| 285 | 286 |
| 286 // scan for regions with base palette | 287 // scan for regions with base palette |
| 287 Palette base = paletteManager.getBase(); | 288 Palette basePalette = paletteManager.getBase(); |
| 288 | 289 |
| 289 int [] intRaster = raster.toIndexed(base); | 290 int [] intRaster = raster.toIndexed(basePalette); |
| 290 | 291 |
| 291 // produce JFreeChart compatible polygons | 292 // produce JFreeChart compatible polygons |
| 292 | 293 |
| 293 if (debug) { | 294 if (debug) { |
| 294 log.debug("vectorize indexed raster"); | 295 log.debug("vectorize indexed raster"); |
| 301 distance, maxDepth); | 302 distance, maxDepth); |
| 302 | 303 |
| 303 int numRegions = new Vectorizer(intRaster, rasterSize.width) | 304 int numRegions = new Vectorizer(intRaster, rasterSize.width) |
| 304 .process(pdsp); | 305 .process(pdsp); |
| 305 | 306 |
| 306 intRaster = null; // help gc | |
| 307 | |
| 308 PolygonDataset pds = pdsp.getPolygonDataset(); | 307 PolygonDataset pds = pdsp.getPolygonDataset(); |
| 308 | |
| 309 int numColors = pds.getSeriesCount(); | |
| 309 | 310 |
| 310 if (debug) { | 311 if (debug) { |
| 311 log.debug("number of regions: " + numRegions); | 312 log.debug("number of regions: " + numRegions); |
| 312 log.debug("number of series: " + pds.getSeriesCount()); | 313 log.debug("number of colors: " + numColors); |
| 313 } | 314 } |
| 314 | 315 |
| 315 // generate iso lines | 316 // generate iso lines |
| 316 | 317 |
| 317 Palette isoPalette = paletteManager.getLevel(2); | 318 int numIso; |
| 318 | 319 |
| 319 intRaster = raster.toIndexed(isoPalette); | 320 if (numColors < 5) { numIso = 5; } |
| 321 else if (numColors < 10) { numIso = 2; } | |
| 322 else { numIso = 0; } | |
| 323 | |
| 324 Palette isoPalette; | |
| 325 | |
| 326 if (numIso == 0) { // same palette | |
| 327 isoPalette = basePalette; | |
| 328 /* intRaster = intRaster; */ | |
| 329 } | |
| 330 else { | |
| 331 isoPalette = paletteManager.getLevel(numIso); | |
| 332 intRaster = raster.toIndexed(isoPalette); | |
| 333 } | |
| 320 | 334 |
| 321 IsoPolygonSeriesProducer ipsp = new IsoPolygonSeriesProducer( | 335 IsoPolygonSeriesProducer ipsp = new IsoPolygonSeriesProducer( |
| 322 0, 0, | 336 0, 0, |
| 323 distance, maxDepth); | 337 distance, maxDepth); |
| 324 | 338 |
| 325 numRegions = new Vectorizer(false, intRaster, rasterSize.width) | 339 numRegions = new Vectorizer(false, intRaster, rasterSize.width) |
| 326 .process(ipsp); | 340 .process(ipsp); |
| 327 | 341 |
| 328 // TODO: Use label generator | 342 IsoAttributeGenerator iag = new IsoAttributeGenerator(isoPalette); |
| 329 Collection<PolygonSeries> ps = ipsp.getSeries(/* label generator */); | 343 Collection<PolygonSeries> ps = ipsp.getSeries(iag); |
| 344 ipsp.clear(); | |
| 330 | 345 |
| 331 if (debug) { | 346 if (debug) { |
| 332 log.debug("num of iso regions: " + numRegions); | 347 log.debug("num of iso regions: " + numRegions); |
| 333 log.debug("num of iso series: " + ps.size()); | 348 log.debug("num of iso series: " + ps.size()); |
| 334 } | 349 } |