Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/DemuxRingsHandler.java @ 1087:92fce3b3d07f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Centered histograms in pdf exports. gnv-artifacts/trunk@1189 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Jun 2010 09:23:33 +0000
parents feae2f9d6c6f
children f953c9a559d8
rev   line source
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.raster;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
779
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
3 import de.intevation.gnv.raster.Vectorizer.Edge;
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
4 import de.intevation.gnv.raster.Vectorizer.RingsHandler;
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 778
diff changeset
5
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import java.util.ArrayList;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 import java.util.List;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 /**
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
10 * Ring Handler that demultiplexes to a list of other ring handlers.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
11 * Handy if you want to pipe the polygons and line strings produced
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
12 * by the Vectorize to more than one handler at once.
803
feae2f9d6c6f Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 802
diff changeset
13 *
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: 779
diff changeset
14 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 */
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 public class DemuxRingsHandler
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 implements RingsHandler
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 {
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
19 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
20 * The list of internal ring handlers.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
21 */
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 protected ArrayList<RingsHandler> handlers;
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
24 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
25 * Default constructor.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
26 */
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 public DemuxRingsHandler() {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 handlers = new ArrayList<RingsHandler>();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
31 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
32 * Add a ring handler to the list of handlers.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
33 * @param handler The handler to add to the internal list.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
34 */
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 public void addHandler(RingsHandler handler) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 handlers.add(handler);
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 public void handleRings(
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 465
diff changeset
40 List<Edge> rings,
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 465
diff changeset
41 int value,
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 int width,
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 int height
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 ) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 for (RingsHandler handler: handlers) {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 handler.handleRings(rings, value, width, height);
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
50 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
51 * Empties the internal list of ring handlers.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
52 */
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 public void clear() {
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 handlers.clear();
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 }
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org