Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/raster/ExternalIndexConverter.java @ 484:823e4f808418
Generate JTS geometries (multi polygons and multi linestrings) from
interpolation with external palette indices.
gnv-artifacts/trunk@559 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Mon, 18 Jan 2010 11:25:52 +0000 |
| parents | |
| children | c4156275c1e1 |
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| 483:c8089cd7d777 | 484:823e4f808418 |
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| 1 package de.intevation.gnv.raster; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 /** | |
| 6 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) | |
| 7 */ | |
| 8 public class ExternalIndexConverter | |
| 9 implements JTSMultiPolygonProducer.ValueConverter | |
| 10 { | |
| 11 private static Logger log = Logger.getLogger( | |
| 12 ExternalIndexConverter.class); | |
| 13 | |
| 14 protected Palette palette; | |
| 15 | |
| 16 public ExternalIndexConverter() { | |
| 17 } | |
| 18 | |
| 19 public ExternalIndexConverter(Palette palette) { | |
| 20 this.palette = palette; | |
| 21 } | |
| 22 | |
| 23 public Integer convert(Integer value) { | |
| 24 if (value == null) { | |
| 25 return value; | |
| 26 } | |
| 27 | |
| 28 int v = value.intValue(); | |
| 29 | |
| 30 if (v == -1) { | |
| 31 return value; | |
| 32 } | |
| 33 | |
| 34 Palette.Entry entry = palette.getEntryByIndex(v); | |
| 35 | |
| 36 if (entry == null) { | |
| 37 log.warn("cannot find palette entry for index: " + v); | |
| 38 return value; | |
| 39 } | |
| 40 | |
| 41 return Integer.valueOf(entry.getExternalIndex()); | |
| 42 } | |
| 43 } | |
| 44 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |