Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java @ 3720:181e250bf989

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Tagged 'flys-artifacts' as 2.9 flys-artifacts/trunk@5375 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 07 Sep 2012 09:26:45 +0000
parents 63ef889eea2b
children d8f2ab5b61c3
rev   line source
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.jfree;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
2
3109
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
3 import de.intevation.flys.artifacts.math.Function;
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
4
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
5 import java.awt.Shape;
3109
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
6
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
7 import java.awt.geom.Rectangle2D;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
8
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
9 import java.util.Iterator;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
10
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
11 import org.jfree.chart.entity.ChartEntity;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
12 import org.jfree.chart.entity.EntityCollection;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
13
3109
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
14 import org.w3c.dom.Document;
3105
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
15
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
16 public class JFreeUtil {
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3023
diff changeset
17
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
18 /** Do not instantiate. */
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
19 private JFreeUtil() {
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
20 }
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
21
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
22
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
23 /**
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
24 * True if \param hotspot collides with a Entity in \param entities.
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
25 * @param hotspot Shape to compare against other shapes (bounds only).
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
26 * @param entities entities against which to compare shape.
3023
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
27 * @param exclusiveEntityClass If not null, consider only entities of
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
28 * given class.
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
29 * @return true if a collision (non-zero intersection) exists between
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
30 * shapes.
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
31 */
3023
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
32 public static boolean collides(Shape hotspot, EntityCollection entities,
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
33 Class exclusiveEntityClass) {
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
34 if (entities == null) return false;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
35
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
36 Rectangle2D hotspotBox = hotspot.getBounds2D();
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3023
diff changeset
37
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
38 for (Iterator i = entities.iterator(); i.hasNext(); ) {
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
39 Object next = i.next();
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
40 ChartEntity entity = (ChartEntity) next;
3023
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
41 if (exclusiveEntityClass == null
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
42 || exclusiveEntityClass.isInstance(entity))
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
43 {
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
44 if (entity.getArea().intersects(hotspotBox)) {
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
45 // Found collision, early stop.
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
46 return true;
e19ff9086035 Avoid collisions between line labels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3018
diff changeset
47 }
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
48 }
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
49 }
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
50
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
51 return false;
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
52 }
3105
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
53
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
54
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
55 public static StyledXYSeries sampleFunction2D(
3109
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
56 Function func,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
57 Document theme,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
58 String seriesKey,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
59 int samples,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
60 double start,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
61 double end
3105
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
62 ) {
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
63 StyledXYSeries series = new StyledXYSeries(seriesKey, theme);
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
64
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
65 double step = (end - start) / (samples - 1);
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
66
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
67 for (int i = 0; i < samples; i++) {
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
68 double x = start + (step * i);
3109
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3105
diff changeset
69 series.add(x, func.value(x));
3105
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
70 }
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
71
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
72 return series;
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3083
diff changeset
73 }
3018
fb07f936b5ad New helper.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
74 }
3083
4bd3d8bbb60c Added missing vim lines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3076
diff changeset
75 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org