svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.operation / src / main / java / org / gvsig / fmap / geom / operation / tojts / MultiSurfaceToJTS.java @ 40559
History | View | Annotate | Download (4.67 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
/* gvSIG. Geographic Information System of the Valencian Government
|
25 |
*
|
26 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
27 |
* of the Valencian Government (CIT)
|
28 |
*
|
29 |
* This program is free software; you can redistribute it and/or
|
30 |
* modify it under the terms of the GNU General Public License
|
31 |
* as published by the Free Software Foundation; either version 2
|
32 |
* of the License, or (at your option) any later version.
|
33 |
*
|
34 |
* This program is distributed in the hope that it will be useful,
|
35 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
36 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
37 |
* GNU General Public License for more details.
|
38 |
*
|
39 |
* You should have received a copy of the GNU General Public License
|
40 |
* along with this program; if not, write to the Free Software
|
41 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
42 |
* MA 02110-1301, USA.
|
43 |
*
|
44 |
*/
|
45 |
|
46 |
/*
|
47 |
* AUTHORS (In addition to CIT):
|
48 |
* 2009 {Iver T.I.} {Task}
|
49 |
*/
|
50 |
|
51 |
package org.gvsig.fmap.geom.operation.tojts; |
52 |
|
53 |
import java.util.ArrayList; |
54 |
import java.util.List; |
55 |
|
56 |
import com.vividsolutions.jts.geom.MultiPolygon; |
57 |
import com.vividsolutions.jts.geom.Polygon; |
58 |
|
59 |
import org.slf4j.Logger; |
60 |
import org.slf4j.LoggerFactory; |
61 |
|
62 |
import org.gvsig.fmap.geom.Geometry; |
63 |
import org.gvsig.fmap.geom.aggregate.MultiSurface; |
64 |
import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
65 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
66 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
67 |
|
68 |
/**
|
69 |
* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
|
70 |
*/
|
71 |
public class MultiSurfaceToJTS extends ToJTS{ |
72 |
|
73 |
private static Logger logger = LoggerFactory.getLogger(MultiSurfaceToJTS.class); |
74 |
/*
|
75 |
* (non-Javadoc)
|
76 |
* @see org.gvsig.fmap.geom.operation.tojts.ToJTS#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
77 |
*/
|
78 |
public Object invoke(Geometry geom, GeometryOperationContext ctx) throws GeometryOperationException { |
79 |
int srid = -1; |
80 |
if (ctx != null){ |
81 |
srid = ((JTSGeometryOperationContext)ctx).getSrid(); |
82 |
} |
83 |
MultiSurface multiSurface = (MultiSurface)geom; |
84 |
|
85 |
List prim_list = new ArrayList(); |
86 |
int prim_n = multiSurface.getPrimitivesNumber();
|
87 |
Object item = null; |
88 |
|
89 |
for (int i = 0; i < prim_n; i++){ |
90 |
try {
|
91 |
item = multiSurface.getPrimitiveAt(i).invokeOperation(CODE, ctx); |
92 |
if (item instanceof MultiPolygon) { |
93 |
|
94 |
/*
|
95 |
* Considering also multi polygons
|
96 |
*/
|
97 |
MultiPolygon mpo = (MultiPolygon) item; |
98 |
for (int k=0; k<mpo.getNumGeometries(); k++) { |
99 |
if (mpo.getGeometryN(k) instanceof Polygon) { |
100 |
prim_list.add(mpo.getGeometryN(k)); |
101 |
} |
102 |
} |
103 |
|
104 |
} else {
|
105 |
if (item instanceof Polygon) { |
106 |
/*
|
107 |
* Including primitives converted to polygon.
|
108 |
* Short primitives can return a point or line
|
109 |
*/
|
110 |
prim_list.add(item); |
111 |
} else {
|
112 |
String txt = (item == null) ? "NULL" : item.getClass().getName(); |
113 |
logger.info("Warning: excluding primitive in MultiSurfaceToJTS because it converted to a JTS " + txt);
|
114 |
} |
115 |
} |
116 |
} catch (GeometryOperationNotSupportedException e) {
|
117 |
throw new GeometryOperationException(e); |
118 |
} |
119 |
} |
120 |
|
121 |
Polygon[] polygons = (Polygon[]) prim_list.toArray(new Polygon[0]); |
122 |
MultiPolygon polygon = new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons);
|
123 |
polygon.setSRID(srid); |
124 |
return polygon;
|
125 |
} |
126 |
} |