gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.dissolve / src / main / java / org / gvsig / geoprocess / algorithm / dissolve / AtomicDissolveOperation.java @ 1259
History | View | Annotate | Download (9.09 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2012 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 2
|
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 |
/*
|
25 |
|
26 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
27 |
*
|
28 |
* Copyright (C) 2010 Generalitat Valenciana.
|
29 |
*
|
30 |
* This program is free software; you can redistribute it and/or
|
31 |
* modify it under the terms of the GNU General Public License
|
32 |
* as published by the Free Software Foundation; either version 2
|
33 |
* of the License, or (at your option) any later version.
|
34 |
*
|
35 |
* This program is distributed in the hope that it will be useful,
|
36 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
37 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
38 |
* GNU General Public License for more details.
|
39 |
*
|
40 |
* You should have received a copy of the GNU General Public License
|
41 |
* along with this program; if not, write to the Free Software
|
42 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
43 |
*/
|
44 |
|
45 |
package org.gvsig.geoprocess.algorithm.dissolve; |
46 |
|
47 |
import java.util.ArrayList; |
48 |
|
49 |
import org.gvsig.fmap.dal.exception.DataException; |
50 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
51 |
import org.gvsig.fmap.dal.feature.Feature; |
52 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
53 |
import org.gvsig.fmap.geom.primitive.NullGeometry; |
54 |
import org.gvsig.geoprocess.algorithm.base.core.GeometryOperation; |
55 |
import org.gvsig.geoprocess.algorithm.base.util.GeometryUtil; |
56 |
import org.gvsig.geoprocess.lib.sextante.AbstractSextanteGeoProcess; |
57 |
|
58 |
import com.vividsolutions.jts.geom.Geometry; |
59 |
|
60 |
import es.unex.sextante.core.Sextante; |
61 |
/**
|
62 |
* Atomic dissolve operation
|
63 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
|
64 |
*/
|
65 |
public class AtomicDissolveOperation extends GeometryOperation { |
66 |
private IDissolveRule rule = null; |
67 |
private ArrayList<Geometry> geometryList = null; |
68 |
private ArrayList<Feature> featList = null; |
69 |
private Feature feature = null; |
70 |
private EditableFeature result = null; |
71 |
private FeatureStore outFeatureStore = null; |
72 |
private int newFeatID = 0; |
73 |
private Summary summary = null; |
74 |
|
75 |
public AtomicDissolveOperation(AbstractSextanteGeoProcess p) {
|
76 |
super(p);
|
77 |
} |
78 |
|
79 |
/**
|
80 |
* Sets IDissolveCriteria. This object will choose what geometry
|
81 |
* will be dissolved
|
82 |
* @param criteria
|
83 |
*/
|
84 |
public void setCriteria(IDissolveRule rule) { |
85 |
this.rule = rule;
|
86 |
} |
87 |
|
88 |
/**
|
89 |
* Sets the list of geometries
|
90 |
* @param geoList
|
91 |
*/
|
92 |
public void setGeometryList(ArrayList<Geometry> geoList) { |
93 |
this.geometryList = geoList;
|
94 |
} |
95 |
|
96 |
/**
|
97 |
* Sets the list of geometries
|
98 |
* @param geoList
|
99 |
*/
|
100 |
public void setFeatureList(ArrayList<Feature> featList) { |
101 |
this.featList = featList;
|
102 |
} |
103 |
|
104 |
/**
|
105 |
* Sets the current feature
|
106 |
* @param feat
|
107 |
*/
|
108 |
public void setFeature(Feature feat) { |
109 |
this.feature = feat;
|
110 |
} |
111 |
|
112 |
/**
|
113 |
* Sets the output FeatureStore
|
114 |
* @param out
|
115 |
* @throws DataException
|
116 |
*/
|
117 |
public void setFeatureStore(FeatureStore out, String[] attrNames) { |
118 |
this.outFeatureStore = out;
|
119 |
} |
120 |
|
121 |
|
122 |
/*
|
123 |
* (non-Javadoc)
|
124 |
* @see org.gvsig.geoprocess.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.Feature)
|
125 |
*/
|
126 |
public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {
|
127 |
Geometry g1 = geometryList.get(0);
|
128 |
if(g1 == null || g instanceof NullGeometry) |
129 |
return null; |
130 |
|
131 |
com.vividsolutions.jts.geom.Geometry g2 = GeometryUtil.geomToJTS(g); |
132 |
|
133 |
//Si son iguales las geometrias no se opera
|
134 |
if(g1 == null || g1.compareTo(g2) == 0) |
135 |
return null; |
136 |
|
137 |
if(rule.verifyIfDissolve(g1, g2, this.feature, feature)) { |
138 |
geometryList.add(g2); |
139 |
Geometry newGeom = GeometryUtil.geometryUnion(geometryList, g.getGeometryType().getType()); |
140 |
try {
|
141 |
result = outFeatureStore.createNewFeature(); |
142 |
result.setDouble(0, newFeatID);
|
143 |
result.set(1, feature.get(rule.getFieldName()));
|
144 |
summary.updateValues(feature); |
145 |
summary.loadEditableFeature(result); |
146 |
|
147 |
result.setGeometry("GEOMETRY", GeometryUtil.jtsToGeom(newGeom));
|
148 |
geometryList.clear(); |
149 |
geometryList.add(newGeom); |
150 |
return result;
|
151 |
} catch (DataException e) {
|
152 |
Sextante.addErrorToLog(e); |
153 |
} |
154 |
} |
155 |
return null; |
156 |
} |
157 |
|
158 |
/*
|
159 |
* (non-Javadoc)
|
160 |
* @see org.gvsig.geoprocess.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.EditableFeature)
|
161 |
*/
|
162 |
public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) { |
163 |
} |
164 |
|
165 |
/*
|
166 |
* (non-Javadoc)
|
167 |
* @see org.gvsig.geoprocess.algorithm.base.core.IOperation#getResult()
|
168 |
*/
|
169 |
public Object getResult() { |
170 |
newFeatID ++; |
171 |
return result;
|
172 |
} |
173 |
|
174 |
/**
|
175 |
* Computes this operation without build an output layer. When the operation
|
176 |
* finish the result is got with getResult method.
|
177 |
* @param selectedGeom
|
178 |
* @throws DataException
|
179 |
*/
|
180 |
public void computesOperation(boolean selectedGeom) throws DataException { |
181 |
result = null;
|
182 |
summary = new Summary(rule, outFeatureStore.getDefaultFeatureType());
|
183 |
summary.loadDefaultSummarizes(this.feature);
|
184 |
|
185 |
int i = featList.size() - 1; |
186 |
while(i >= 0) { |
187 |
if(process.getTaskMonitor().isCanceled())
|
188 |
return;
|
189 |
|
190 |
Feature feature = featList.get(i); |
191 |
|
192 |
org.gvsig.fmap.geom.Geometry geom = feature.getDefaultGeometry(); |
193 |
EditableFeature ef = invoke(geom, feature); |
194 |
if(ef != null) { |
195 |
featList.remove(i); |
196 |
|
197 |
if (process != null) |
198 |
process.setProgress(numberOfFeatures - featList.size(), numberOfFeatures); |
199 |
|
200 |
if(rule instanceof AdjacencyDissolveRule) |
201 |
i = featList.size(); |
202 |
} |
203 |
i--; |
204 |
} |
205 |
|
206 |
//Si el resultado es nulo es que no se ha hecho un dissolve porque no hab?a geometrias que unir
|
207 |
//por lo que el resultado ser?n las geometrias de entrada
|
208 |
if(result == null) { |
209 |
try {
|
210 |
Geometry newGeom = GeometryUtil.geometryUnion(geometryList, feature.getDefaultGeometry().getGeometryType().getType()); |
211 |
result = outFeatureStore.createNewFeature(); |
212 |
result.setDouble(0, newFeatID);
|
213 |
result.set(1, feature.get(rule.getFieldName()));
|
214 |
summary.updateValues(feature); |
215 |
summary.loadEditableFeature(result); |
216 |
result.setGeometry("GEOMETRY", GeometryUtil.jtsToGeom(newGeom));
|
217 |
} catch (DataException e) {
|
218 |
Sextante.addErrorToLog(e); |
219 |
} |
220 |
} |
221 |
} |
222 |
|
223 |
/**
|
224 |
* Computes this operation without build an output layer. When the operation
|
225 |
* finish the result is got with getResult method.
|
226 |
* @param selectedGeom
|
227 |
* @throws DataException
|
228 |
*/
|
229 |
// public void computesOperation(boolean selectedGeom) throws DataException {
|
230 |
// FeatureSet featuresSet = null;
|
231 |
// featuresSet = inFeatureStore.getFeatureSet();
|
232 |
// result = null;
|
233 |
// DisposableIterator it = null;
|
234 |
//
|
235 |
// summary = new Summary(rule, outFeatureStore.getDefaultFeatureType());
|
236 |
// summary.loadDefaultSummarizes(this.feature);
|
237 |
//
|
238 |
// if(selectedGeom) {
|
239 |
// FeatureSelection ds = inFeatureStore.getFeatureSelection();
|
240 |
// it = ds.iterator();
|
241 |
// } else {
|
242 |
// it = featuresSet.iterator();
|
243 |
// }
|
244 |
//
|
245 |
// featAnalized = 0;
|
246 |
// while( it.hasNext() ) {
|
247 |
// Feature feature = (Feature)it.next();
|
248 |
// if(analizedFeats[featAnalized]) {
|
249 |
// featAnalized ++;
|
250 |
// continue;
|
251 |
// }
|
252 |
//
|
253 |
// List geomList = feature.getGeometries();
|
254 |
//
|
255 |
// if(geomList == null) {
|
256 |
// org.gvsig.fmap.geom.Geometry geom = feature.getDefaultGeometry();
|
257 |
// invoke(geom, feature);
|
258 |
// featAnalized ++;
|
259 |
// continue;
|
260 |
// }
|
261 |
//
|
262 |
// Iterator<org.gvsig.fmap.geom.Geometry> itGeom = geomList.iterator();
|
263 |
// while(itGeom.hasNext()) {
|
264 |
// org.gvsig.fmap.geom.Geometry g = itGeom.next();
|
265 |
// invoke(g, feature);
|
266 |
// }
|
267 |
// featAnalized ++;
|
268 |
// }
|
269 |
//
|
270 |
// //Si el resultado es nulo es que no se ha hecho un dissolve porque no hab?a geometrias que unir
|
271 |
// //por lo que el resultado ser?n las geometrias de entrada
|
272 |
// if(result == null) {
|
273 |
// try {
|
274 |
// Geometry newGeom = GeometryUtil.geometryUnion(geometryList, feature.getDefaultGeometry().getGeometryType().getType());
|
275 |
// result = outFeatureStore.createNewFeature();
|
276 |
// result.setDouble(0, newFeatID);
|
277 |
// result.set(1, feature.get(rule.getIndexField()));
|
278 |
// summary.updateValues(feature);
|
279 |
// summary.loadEditableFeature(result);
|
280 |
// result.setGeometry("GEOMETRY", GeometryUtil.jtsToGeom(newGeom));
|
281 |
// } catch (DataException e) {
|
282 |
// Sextante.addErrorToLog(e);
|
283 |
// }
|
284 |
// }
|
285 |
// }
|
286 |
|
287 |
} |
288 |
|