Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/IsoAttributeGenerator.java @ 817:3f447e92024a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added JavaDoc package descriptions. gnv-artifacts/trunk@902 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 12 Apr 2010 09:37:30 +0000
parents 4abe172be970
children f953c9a559d8
rev   line source
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.raster;
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 448
diff changeset
3 /**
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
4 * Generates label attributes for iso lines. It takes the
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
5 * neighboring palette ranges and calculates the mid point
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
6 * between these two ranges.
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: 465
diff changeset
7 * @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: 448
diff changeset
8 */
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 public class IsoAttributeGenerator
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 448
diff changeset
10 implements IsoProducer.AttributeGenerator
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 {
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
12 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
13 * The palette where to look for the ranges.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
14 */
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 protected Palette palette;
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
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: 798
diff changeset
17 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
18 * Default constructor.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
19 */
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 public IsoAttributeGenerator() {
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 }
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22
802
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
23 /**
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
24 * Constructor to create an IsoAttributeGenerator with
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
25 * a given lookup palette.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
26 * @param palette The palette.
4abe172be970 Finished Javadoc of the raster package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
27 */
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 public IsoAttributeGenerator(Palette palette) {
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 this.palette = palette;
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 }
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 public Object generateAttribute(int neighbor1, int neighbor2) {
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 Palette.Entry e1 = palette.getEntryByIndex(neighbor1);
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 Palette.Entry e2 = palette.getEntryByIndex(neighbor2);
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 if (e1 == null || e2 == null) {
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 return null;
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 }
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 double e1t = e1.getFrom();
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 double e2f = e2.getTo();
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 return Double.valueOf(e2f >= e1t
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 ? 0.5d*(e1t+e2f)
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 : 0.5d*(e2.getTo()+e1.getFrom()));
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 }
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 }
798
6cff63d0c434 Fixed vim modeline. Added some Javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
48 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org