svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / impl / SpatialIndexJTS.java @ 40559
History | View | Annotate | Download (4.87 KB)
1 | 40559 | jjdelcerro | /**
|
---|---|---|---|
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 | 40435 | jjdelcerro | package org.gvsig.fmap.geom.impl; |
25 | |||
26 | import java.util.ArrayList; |
||
27 | import java.util.Collection; |
||
28 | import java.util.Iterator; |
||
29 | import java.util.List; |
||
30 | |||
31 | import org.gvsig.fmap.geom.Geometry; |
||
32 | import org.gvsig.fmap.geom.SpatialIndex; |
||
33 | import org.gvsig.fmap.geom.primitive.Envelope; |
||
34 | import org.gvsig.fmap.geom.util.Converter; |
||
35 | import org.gvsig.tools.visitor.Visitor; |
||
36 | |||
37 | public class SpatialIndexJTS implements SpatialIndex { |
||
38 | |||
39 | private class JTSVisitorWrapper implements com.vividsolutions.jts.index.ItemVisitor { |
||
40 | |||
41 | private Visitor visitor = null; |
||
42 | public JTSVisitorWrapper(Visitor visitor) {
|
||
43 | this.visitor = visitor;
|
||
44 | } |
||
45 | public void visitItem(Object arg0) { |
||
46 | try {
|
||
47 | this.visitor.visit(arg0);
|
||
48 | } catch (Exception e) { |
||
49 | throw new RuntimeException(); |
||
50 | } |
||
51 | } |
||
52 | |||
53 | } |
||
54 | private com.vividsolutions.jts.index.quadtree.Quadtree index = null; |
||
55 | |||
56 | public SpatialIndexJTS() {
|
||
57 | index = new com.vividsolutions.jts.index.quadtree.Quadtree();
|
||
58 | } |
||
59 | |||
60 | private com.vividsolutions.jts.geom.Geometry getJTS(org.gvsig.fmap.geom.Geometry geom) {
|
||
61 | return Converter.geometryToJts(geom);
|
||
62 | } |
||
63 | |||
64 | public long size() { |
||
65 | return this.index.size(); |
||
66 | } |
||
67 | |||
68 | public void query(org.gvsig.fmap.geom.primitive.Envelope envelope, |
||
69 | Visitor visitor) { |
||
70 | com.vividsolutions.jts.index.ItemVisitor visitor_jts = new JTSVisitorWrapper(visitor);
|
||
71 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(envelope.getGeometry()).getEnvelopeInternal(); |
||
72 | this.index.query(env_jts, visitor_jts);
|
||
73 | |||
74 | } |
||
75 | |||
76 | public void query(org.gvsig.fmap.geom.Geometry geom, Visitor visitor) { |
||
77 | com.vividsolutions.jts.index.ItemVisitor visitor_jts = new JTSVisitorWrapper(visitor);
|
||
78 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
79 | this.index.query(env_jts, visitor_jts);
|
||
80 | } |
||
81 | |||
82 | public Iterator query(org.gvsig.fmap.geom.primitive.Envelope envelope) { |
||
83 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(envelope.getGeometry()).getEnvelopeInternal(); |
||
84 | List result = this.index.query(env_jts); |
||
85 | return result.iterator();
|
||
86 | } |
||
87 | public Iterator queryAll() { |
||
88 | List result = this.index.queryAll(); |
||
89 | return result.iterator();
|
||
90 | } |
||
91 | |||
92 | public Iterator query(org.gvsig.fmap.geom.Geometry geom) { |
||
93 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
94 | List result = this.index.query(env_jts); |
||
95 | return result.iterator();
|
||
96 | } |
||
97 | |||
98 | public void insert(org.gvsig.fmap.geom.Geometry geom, Object data) { |
||
99 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
100 | index.insert(env_jts, data); |
||
101 | } |
||
102 | |||
103 | public void insert(org.gvsig.fmap.geom.Geometry geom) { |
||
104 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
105 | index.insert(env_jts, geom); |
||
106 | } |
||
107 | |||
108 | public void insert(org.gvsig.fmap.geom.primitive.Envelope envelope, Object data) { |
||
109 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(envelope.getGeometry()).getEnvelopeInternal(); |
||
110 | index.insert(env_jts, data); |
||
111 | } |
||
112 | |||
113 | public boolean remove(org.gvsig.fmap.geom.Geometry geom) { |
||
114 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
115 | return index.remove (env_jts, geom);
|
||
116 | } |
||
117 | |||
118 | public boolean remove(org.gvsig.fmap.geom.Geometry geom, Object data) { |
||
119 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(geom).getEnvelopeInternal(); |
||
120 | return index.remove (env_jts, data);
|
||
121 | } |
||
122 | |||
123 | public boolean remove(org.gvsig.fmap.geom.primitive.Envelope envelope, Object data) { |
||
124 | com.vividsolutions.jts.geom.Envelope env_jts = getJTS(envelope.getGeometry()).getEnvelopeInternal(); |
||
125 | return index.remove (env_jts, data);
|
||
126 | } |
||
127 | |||
128 | public void removeAll() { |
||
129 | index = new com.vividsolutions.jts.index.quadtree.Quadtree();
|
||
130 | } |
||
131 | |||
132 | public List queryAsList(Envelope envelope) { |
||
133 | return IteratorToList( query(envelope) );
|
||
134 | } |
||
135 | |||
136 | public List queryAsList(Geometry geom) { |
||
137 | return IteratorToList( query(geom) );
|
||
138 | } |
||
139 | |||
140 | public List queryAllAsList() { |
||
141 | return IteratorToList( queryAll() );
|
||
142 | } |
||
143 | |||
144 | private List IteratorToList(Iterator it) { |
||
145 | List l = new ArrayList(); |
||
146 | while( it.hasNext() ) {
|
||
147 | l.add(it.next()); |
||
148 | } |
||
149 | return l;
|
||
150 | } |
||
151 | } |