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> |
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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 : |