Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/ExternalIndexConverter.java @ 864:2b8707432121

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ISSUE262: Removed duplicate StateIds gnv-artifacts/trunk@1002 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 27 Apr 2010 13:10:24 +0000
parents feae2f9d6c6f
children f953c9a559d8
rev   line source
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.raster;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import org.apache.log4j.Logger;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 /**
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
6 * Converts the interal color index of a polygon to the external index
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
7 * defined by the corresponding palette entry.
803
feae2f9d6c6f Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 802
diff changeset
8 *
780
c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 484
diff changeset
9 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 */
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 public class ExternalIndexConverter
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 implements JTSMultiPolygonProducer.ValueConverter
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 private static Logger log = Logger.getLogger(
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 ExternalIndexConverter.class);
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
17 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
18 * The palette where to find the color indices.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
19 */
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 protected Palette palette;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
22 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
23 * Default constructor.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
24 */
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 public ExternalIndexConverter() {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
28 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
29 * Constrcutor to create an ExternalIndexConverter with
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
30 * a given palette.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
31 * @param palette The palette where to find the color indices.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
32 */
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 public ExternalIndexConverter(Palette palette) {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 this.palette = palette;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
37 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
38 * Maps the color index of a polygon to the external index
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
39 * defined by the corresponing palette entry.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
40 * @param value The value to convert
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
41 * @return The mapped value or the original value if
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
42 * no corresponing palette entry was found.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
43 */
484
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 public Integer convert(Integer value) {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 if (value == null) {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 return value;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 int v = value.intValue();
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 if (v == -1) {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 return value;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 Palette.Entry entry = palette.getEntryByIndex(v);
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 if (entry == null) {
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 log.warn("cannot find palette entry for index: " + v);
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 return value;
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 return Integer.valueOf(entry.getExternalIndex());
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 }
823e4f808418 Generate JTS geometries (multi polygons and multi linestrings) from
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org