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 / towkb / ToWKB.java @ 40559
History | View | Annotate | Download (2.38 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 |
package org.gvsig.fmap.geom.operation.towkb; |
25 |
|
26 |
import org.gvsig.fmap.geom.Geometry; |
27 |
import org.gvsig.fmap.geom.GeometryLocator; |
28 |
import org.gvsig.fmap.geom.operation.GeometryOperation; |
29 |
import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
30 |
import org.gvsig.fmap.geom.util.Converter; |
31 |
|
32 |
import com.vividsolutions.jts.io.WKBWriter; |
33 |
|
34 |
public class ToWKB extends GeometryOperation { |
35 |
public static final String NAME = "toWKB"; |
36 |
public static final int CODE = GeometryLocator.getGeometryManager().getGeometryOperationCode(NAME); |
37 |
private static WKBWriter writer = null; |
38 |
private static int dimension = 2; |
39 |
|
40 |
public Object invoke(Geometry geom, GeometryOperationContext ctx) { |
41 |
int subType = geom.getGeometryType().getSubType();
|
42 |
boolean is3D = subType == 1 || subType == 3; |
43 |
|
44 |
if(writer == null) { |
45 |
if(is3D) {
|
46 |
dimension = 3;
|
47 |
writer = new WKBWriter(3); |
48 |
} else {
|
49 |
dimension = 2;
|
50 |
writer = new WKBWriter();
|
51 |
} |
52 |
} else {
|
53 |
if(is3D && dimension == 2) { |
54 |
dimension = 3;
|
55 |
writer = new WKBWriter(3); |
56 |
} |
57 |
if(!is3D && dimension == 3) { |
58 |
dimension = 2;
|
59 |
writer = new WKBWriter();
|
60 |
} |
61 |
} |
62 |
|
63 |
if (ctx == null) { |
64 |
return writer.write(Converter.geometryToJts(geom));
|
65 |
} |
66 |
return writer.write(Converter.geometryToJtsWithSRID(geom,
|
67 |
((ToWKBOperationContext) ctx).getSrID())); |
68 |
} |
69 |
|
70 |
public int getOperationIndex() { |
71 |
return CODE;
|
72 |
} |
73 |
|
74 |
} |