Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/JTSMultiPolygonProducer.java @ 521:1bf058f1a2d1
Generate seabed polygon to "Profilschnitte".
gnv-artifacts/trunk@615 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Sun, 24 Jan 2010 20:24:03 +0000 |
parents | 70adafe2b9d5 |
children | 9a828e5a2390 |
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 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
3 import com.vividsolutions.jts.algorithm.CGAlgorithms; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
4 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
5 import com.vividsolutions.jts.geom.Coordinate; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
6 import com.vividsolutions.jts.geom.Geometry; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
7 import com.vividsolutions.jts.geom.GeometryFactory; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
8 import com.vividsolutions.jts.geom.LinearRing; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
9 import com.vividsolutions.jts.geom.MultiPolygon; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
10 import com.vividsolutions.jts.geom.Polygon; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
11 import com.vividsolutions.jts.geom.PrecisionModel; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
12 import com.vividsolutions.jts.geom.TopologyException; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
13 |
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
|
14 import com.vividsolutions.jts.geom.impl.PackedCoordinateSequenceFactory; |
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 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
16 import de.intevation.gnv.raster.Vectorizer.Edge; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
17 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
18 import java.util.ArrayList; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
19 import java.util.HashMap; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
20 import java.util.List; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
21 import java.util.Map; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
22 import java.util.TreeMap; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
23 |
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
|
24 import org.apache.log4j.Logger; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
25 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
26 /** |
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 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) |
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 */ |
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 public class JTSMultiPolygonProducer |
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 extends AbstractProducer |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
31 { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
32 private static Logger log = Logger.getLogger( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
33 JTSMultiPolygonProducer.class); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
34 |
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 static final int SRID_WGS84 = 4326; |
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 |
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 public interface ValueConverter { |
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 Integer convert(Integer value); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
40 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
41 } // interface ValueConverter |
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 |
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 protected GeometryFactory geometryFactory; |
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 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
45 protected Polygon clip; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
46 |
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
|
47 protected HashMap<Integer, ArrayList<Polygon>> valueToPolygons; |
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 public JTSMultiPolygonProducer() { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
50 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
51 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
52 public JTSMultiPolygonProducer( |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
53 Polygon clip, |
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
|
54 double minX, double minY, |
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 double maxX, double maxY |
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 this( |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
58 clip, |
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
|
59 createDefaultGeometryFactory(), |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
60 minX, minY, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
61 maxX, maxY); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
62 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
63 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
64 public JTSMultiPolygonProducer( |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
65 Polygon clip, |
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
|
66 GeometryFactory geometryFactory, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
67 double minX, double minY, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
68 double maxX, double maxY |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
69 ) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
70 super(minX, minY, maxX, maxY); |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
71 this.clip = clip; |
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
|
72 this.geometryFactory = geometryFactory; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
73 valueToPolygons = new HashMap<Integer, ArrayList<Polygon>>(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
74 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
75 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
76 public static GeometryFactory createDefaultGeometryFactory() { |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
77 return createDefaultGeometryFactory(3); |
498
4080b57dcb52
Upgraded to Geotools 2.5.8. Write polygons and line strings to
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
495
diff
changeset
|
78 } |
4080b57dcb52
Upgraded to Geotools 2.5.8. Write polygons and line strings to
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
495
diff
changeset
|
79 |
4080b57dcb52
Upgraded to Geotools 2.5.8. Write polygons and line strings to
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
495
diff
changeset
|
80 public static GeometryFactory createDefaultGeometryFactory(int dim) { |
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
|
81 return new GeometryFactory( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
82 new PrecisionModel( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
83 PrecisionModel.FLOATING), |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
84 SRID_WGS84, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
85 new PackedCoordinateSequenceFactory( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
86 PackedCoordinateSequenceFactory.DOUBLE, |
498
4080b57dcb52
Upgraded to Geotools 2.5.8. Write polygons and line strings to
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
495
diff
changeset
|
87 dim)); |
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
|
88 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
89 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
90 public void handleRings( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
91 List<Edge> rings, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
92 int value, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
93 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
|
94 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
|
95 ) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
96 if (value == -1) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
97 return; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
98 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
99 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
100 double b1 = minX; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
101 double m1 = width != 1 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
102 ? (maxX - minX)/(width-1) |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
103 : 0d; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
104 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
105 double b2 = minY; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
106 double m2 = height != 1 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
107 ? (maxY - minY)/(height-1) |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
108 : 0d; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
109 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
110 ArrayList<Coordinate> vertices = new ArrayList<Coordinate>(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
111 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
112 LinearRing shell = null; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
113 ArrayList<LinearRing> holes = new ArrayList<LinearRing>(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
114 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
115 for (Edge head: rings) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
116 Edge current = head; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
117 do { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
118 vertices.add(new Coordinate( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
119 m1*(current.a % width) + b1, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
120 m2*(current.a / width) + b2)); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
121 } |
495
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
465
diff
changeset
|
122 while ((current = current.prev) != head); |
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
|
123 vertices.add(new Coordinate( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
124 m1*(head.a % width) + b1, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
125 m2*(head.a / width) + b2)); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
126 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
127 Coordinate [] coordinates = |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
128 vertices.toArray(new Coordinate[vertices.size()]); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
129 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
130 vertices.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
|
131 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
132 LinearRing ring = geometryFactory.createLinearRing( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
133 coordinates); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
134 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
135 if (CGAlgorithms.isCCW(coordinates)) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
136 shell = ring; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
137 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
138 else { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
139 holes.add(ring); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
140 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
141 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
142 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
143 if (shell == null) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
144 log.error("polygon has no shell"); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
145 return; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
146 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
147 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
148 Polygon polygon = geometryFactory.createPolygon( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
149 shell, |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
150 holes.toArray(new LinearRing[holes.size()])); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
151 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
152 if (clip == null || clip.intersects(polygon)) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
153 Integer v = Integer.valueOf(value); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
154 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
155 ArrayList<Polygon> polygons = valueToPolygons.get(v); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
156 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
157 if (polygons == null) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
158 valueToPolygons.put(v, polygons = new ArrayList<Polygon>()); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
159 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
160 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
161 polygons.add(polygon); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
162 } |
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
|
163 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
164 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
165 public Map<Integer, MultiPolygon> getMultiPolygons() { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
166 return getMultiPolygons(null); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
167 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
168 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
169 protected MultiPolygon flattenCollection(Geometry result) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
170 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
171 if (result instanceof MultiPolygon) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
172 return (MultiPolygon)result; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
173 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
174 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
175 if (result instanceof Polygon) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
176 return geometryFactory.createMultiPolygon( |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
177 new Polygon[] { (Polygon)result }); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
178 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
179 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
180 log.warn("cannot handle " + result.getClass()); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
181 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
182 return null; |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
183 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
184 |
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
|
185 public Map<Integer, MultiPolygon> getMultiPolygons( |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
186 ValueConverter valueConverter |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
187 ) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
188 TreeMap<Integer, MultiPolygon> multiPolygons = |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
189 new TreeMap<Integer, MultiPolygon>(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
190 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
191 for (Map.Entry<Integer, ArrayList<Polygon>> entry: |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
192 valueToPolygons.entrySet() |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
193 ) { |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
194 ArrayList<Polygon> polygons = entry.getValue(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
195 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
196 Integer value = valueConverter != null |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
197 ? valueConverter.convert(entry.getKey()) |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
198 : entry.getKey(); |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
199 |
499
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
200 MultiPolygon mp = geometryFactory.createMultiPolygon( |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
201 polygons.toArray(new Polygon[polygons.size()])); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
202 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
203 if (clip != null) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
204 try { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
205 Geometry result = mp.intersection(clip); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
206 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
207 MultiPolygon mp2 = flattenCollection(result); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
208 |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
209 if (mp2 != null) { mp = mp2; } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
210 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
211 catch (TopologyException te) { |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
212 log.error(te.getLocalizedMessage(), te); |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
213 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
214 } |
e065a72f6b62
Clip "Horizontalschnitte" against given clipping polygon.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
498
diff
changeset
|
215 multiPolygons.put(value, mp); |
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
|
216 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
217 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
218 return multiPolygons; |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
219 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
220 |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
221 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
|
222 valueToPolygons.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
|
223 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
224 } |
f7038820df2e
Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
225 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |