gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.union / src / main / java / org / gvsig / geoprocess / algorithm / union / UnionAlgorithm.java @ 1259
History | View | Annotate | Download (12.6 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 |
package org.gvsig.geoprocess.algorithm.union; |
25 |
|
26 |
import org.gvsig.fmap.dal.exception.DataException; |
27 |
import org.gvsig.fmap.dal.exception.ReadException; |
28 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
29 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
30 |
import org.gvsig.fmap.dal.feature.FeatureType; |
31 |
import org.gvsig.fmap.geom.Geometry; |
32 |
import org.gvsig.geoprocess.algorithm.base.core.GeometryOperation; |
33 |
import org.gvsig.geoprocess.algorithm.base.core.ScalableUnionOperation; |
34 |
import org.gvsig.geoprocess.algorithm.difference.DifferenceOperation; |
35 |
import org.gvsig.geoprocess.algorithm.intersection.IntersectionOperation; |
36 |
import org.gvsig.geoprocess.lib.sextante.AbstractSextanteGeoProcess; |
37 |
import org.gvsig.geoprocess.lib.sextante.dataObjects.FlyrVectIVectorLayer; |
38 |
|
39 |
import es.unex.sextante.core.Sextante; |
40 |
import es.unex.sextante.dataObjects.IVectorLayer; |
41 |
import es.unex.sextante.exceptions.GeoAlgorithmExecutionException; |
42 |
import es.unex.sextante.exceptions.NullParameterValueException; |
43 |
import es.unex.sextante.exceptions.RepeatedParameterNameException; |
44 |
import es.unex.sextante.exceptions.WrongParameterIDException; |
45 |
import es.unex.sextante.exceptions.WrongParameterTypeException; |
46 |
import es.unex.sextante.outputs.OutputVectorLayer; |
47 |
import org.gvsig.tools.namestranslator.NamesTranslator; |
48 |
|
49 |
/**
|
50 |
* Union algorithm
|
51 |
* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
|
52 |
*/
|
53 |
public class UnionAlgorithm extends AbstractSextanteGeoProcess { |
54 |
|
55 |
public static final String RESULT1 = "RESULT1"; |
56 |
public static final String RESULT2 = "RESULT2"; |
57 |
public static final String LAYER1 = "LAYER1"; |
58 |
public static final String LAYER2 = "LAYER2"; |
59 |
public static final String SELECTGEOM_INPUT = "SELECTGEOM_INPUT"; |
60 |
public static final String SELECTGEOM_OVERLAY = "SELECTGEOM_OVERLAY"; |
61 |
private NamesTranslator nameTranslator;
|
62 |
|
63 |
/*
|
64 |
* (non-Javadoc)
|
65 |
* @see es.unex.sextante.core.GeoAlgorithm#defineCharacteristics()
|
66 |
*/
|
67 |
public void defineCharacteristics() { |
68 |
setName(getTranslation("Union"));
|
69 |
setGroup(getTranslation("basic_vect_algorithms"));
|
70 |
// setGeneratesUserDefinedRasterOutput(false);
|
71 |
|
72 |
try {
|
73 |
m_Parameters.addInputVectorLayer(LAYER1, |
74 |
getTranslation("Input_layer") + " 1", |
75 |
IVectorLayer.SHAPE_TYPE_WRONG, |
76 |
true);
|
77 |
m_Parameters.addInputVectorLayer(LAYER2, |
78 |
getTranslation("Input_layer") + " 2", |
79 |
IVectorLayer.SHAPE_TYPE_WRONG, |
80 |
true);
|
81 |
m_Parameters.addBoolean(SELECTGEOM_INPUT, |
82 |
getTranslation("Selected_geometries_input_layer_union"), false); |
83 |
m_Parameters.addBoolean(SELECTGEOM_OVERLAY, |
84 |
getTranslation("Selected_geometries_overlay_layer_union"), false); |
85 |
} catch (RepeatedParameterNameException e) {
|
86 |
Sextante.addErrorToLog(e); |
87 |
} |
88 |
addOutputVectorLayer(RESULT1, getTranslation("Union_l1"),
|
89 |
OutputVectorLayer.SHAPE_TYPE_UNDEFINED); |
90 |
addOutputVectorLayer(RESULT2, getTranslation("Union_l2"),
|
91 |
OutputVectorLayer.SHAPE_TYPE_UNDEFINED); |
92 |
} |
93 |
|
94 |
/*
|
95 |
* (non-Javadoc)
|
96 |
* @see es.unex.sextante.core.GeoAlgorithm#processAlgorithm()
|
97 |
*/
|
98 |
public boolean processAlgorithm() throws GeoAlgorithmExecutionException { |
99 |
if(existsOutPutFile(UnionAlgorithm.RESULT1, 0)) { |
100 |
throw new GeoAlgorithmExecutionException(getTranslation("file_exists")); |
101 |
} |
102 |
if(existsOutPutFile(UnionAlgorithm.RESULT2, 0)) { |
103 |
throw new GeoAlgorithmExecutionException(getTranslation("file_exists")); |
104 |
} |
105 |
|
106 |
IVectorLayer layer1 = m_Parameters.getParameterValueAsVectorLayer(LAYER1); |
107 |
IVectorLayer layer2 = m_Parameters.getParameterValueAsVectorLayer(LAYER2); |
108 |
boolean selectedGeomInput = m_Parameters.getParameter(SELECTGEOM_INPUT).getParameterValueAsBoolean();
|
109 |
boolean selectedGeomOverlay = m_Parameters.getParameter(SELECTGEOM_OVERLAY).getParameterValueAsBoolean();
|
110 |
this.nameTranslator = NamesTranslator.createTrimTranslator(10); |
111 |
|
112 |
FeatureStore storeLayer1 = null;
|
113 |
FeatureStore storeLayer2 = null;
|
114 |
if(layer1 instanceof FlyrVectIVectorLayer && |
115 |
layer2 instanceof FlyrVectIVectorLayer) {
|
116 |
storeLayer1 = ((FlyrVectIVectorLayer)layer1).getFeatureStore(); |
117 |
storeLayer2 = ((FlyrVectIVectorLayer)layer2).getFeatureStore(); |
118 |
} else
|
119 |
return false; |
120 |
|
121 |
try {
|
122 |
FeatureType featureType1 = storeLayer1.getDefaultFeatureType(); |
123 |
|
124 |
FeatureSet features2 = null;
|
125 |
features2 = storeLayer2.getFeatureSet(); |
126 |
FeatureType featureType2 = features2.getDefaultFeatureType(); |
127 |
|
128 |
FeatureStore featStoreOut1 = null;
|
129 |
FeatureStore featStoreOut2 = null;
|
130 |
|
131 |
//POL-POL
|
132 |
if(isPolygon(storeLayer1) && isPolygon(storeLayer2)) {
|
133 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, |
134 |
featureType2, |
135 |
layer1.getShapeType(), |
136 |
getTranslation("Union_polygon"),
|
137 |
RESULT1, nameTranslator); |
138 |
computesUnion(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay); |
139 |
} else
|
140 |
//PTO-PTO
|
141 |
if(isPoint(storeLayer1) && isPoint(storeLayer2)) {
|
142 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, |
143 |
featureType2, |
144 |
layer1.getShapeType(), |
145 |
getTranslation("Union_point"),
|
146 |
RESULT1, nameTranslator); |
147 |
computesUnion(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay); |
148 |
} else
|
149 |
//LIN-LIN
|
150 |
if(isLine(storeLayer1) && isLine(storeLayer2)) {
|
151 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, |
152 |
featureType2, |
153 |
IVectorLayer.SHAPE_TYPE_POINT, |
154 |
getTranslation("Union_point"),
|
155 |
RESULT1, nameTranslator); |
156 |
computesIntersection(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay, true);
|
157 |
featStoreOut2 = buildOutPutStoreFromUnion(featureType1, |
158 |
featureType2, |
159 |
IVectorLayer.SHAPE_TYPE_LINE, |
160 |
getTranslation("Union_line"),
|
161 |
RESULT2, nameTranslator); |
162 |
computesDifference(storeLayer1, storeLayer2, featStoreOut2, selectedGeomInput, selectedGeomOverlay, false);
|
163 |
computesDifference(storeLayer2, storeLayer1, featStoreOut2, selectedGeomInput, selectedGeomOverlay, true);
|
164 |
} else
|
165 |
//POL-LIN
|
166 |
if( (isPolygon(storeLayer1) && isLine(storeLayer2)) ||
|
167 |
(isLine(storeLayer1) && isPolygon(storeLayer2))) { |
168 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, |
169 |
featureType2, |
170 |
IVectorLayer.SHAPE_TYPE_LINE, |
171 |
getTranslation("Union_line"), RESULT1, nameTranslator);
|
172 |
computesUnion(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay); |
173 |
featStoreOut2 = buildOutPutStoreFromUnion(featureType1, |
174 |
featureType2, |
175 |
IVectorLayer.SHAPE_TYPE_POLYGON, |
176 |
getTranslation("Union_polygon"),
|
177 |
RESULT2, nameTranslator); |
178 |
computesDifference(storeLayer1, storeLayer2, featStoreOut2, selectedGeomInput, selectedGeomOverlay, false);
|
179 |
computesDifference(storeLayer2, storeLayer1, featStoreOut2, selectedGeomInput, selectedGeomOverlay, true);
|
180 |
} else
|
181 |
//POL-PTO
|
182 |
if( (isPolygon(storeLayer1) && isPoint(storeLayer2)) ||
|
183 |
(isPoint(storeLayer1) && isPolygon(storeLayer2))) { |
184 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, featureType2, IVectorLayer.SHAPE_TYPE_POINT, |
185 |
getTranslation("Union_point"), RESULT1, nameTranslator);
|
186 |
computesUnion(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay); |
187 |
featStoreOut2 = buildOutPutStoreFromUnion(featureType1, featureType2, IVectorLayer.SHAPE_TYPE_POLYGON, |
188 |
getTranslation("Union_polygon"), RESULT2, nameTranslator);
|
189 |
computesUnion(storeLayer1, storeLayer2, featStoreOut2, selectedGeomInput, selectedGeomOverlay); |
190 |
} else
|
191 |
//PTO-LIN
|
192 |
if( (isPoint(storeLayer1) && isLine(storeLayer2)) ||
|
193 |
(isLine(storeLayer1) && isPoint(storeLayer2))) { |
194 |
featStoreOut1 = buildOutPutStoreFromUnion(featureType1, featureType2, IVectorLayer.SHAPE_TYPE_POINT, |
195 |
getTranslation("Union_point"), RESULT1, nameTranslator);
|
196 |
computesUnion(storeLayer1, storeLayer2, featStoreOut1, selectedGeomInput, selectedGeomOverlay); |
197 |
featStoreOut2 = buildOutPutStoreFromUnion(featureType1, featureType2, IVectorLayer.SHAPE_TYPE_LINE, |
198 |
getTranslation("Union_line"), RESULT2, nameTranslator);
|
199 |
computesUnion(storeLayer1, storeLayer2, featStoreOut2, selectedGeomInput, selectedGeomOverlay); |
200 |
} |
201 |
|
202 |
if(featStoreOut2 == null) { |
203 |
featStoreOut2 = buildOutPutStoreFromUnion(featureType1, featureType2, IVectorLayer.SHAPE_TYPE_WRONG, |
204 |
getTranslation("Null_Layer"), RESULT2, nameTranslator);
|
205 |
} |
206 |
|
207 |
} catch (ReadException e) {
|
208 |
throw new GeoAlgorithmExecutionException(e.getMessage()); |
209 |
} catch (DataException e) {
|
210 |
throw new GeoAlgorithmExecutionException(e.getMessage()); |
211 |
} |
212 |
|
213 |
if(getTaskMonitor().isCanceled())
|
214 |
return false; |
215 |
|
216 |
return true; |
217 |
} |
218 |
|
219 |
/**
|
220 |
* Computes union
|
221 |
* @param storeLayer1
|
222 |
* @param storeLayer2
|
223 |
* @param featStoreOut
|
224 |
* @param selectedGeom
|
225 |
* @throws DataException
|
226 |
* @throws WrongParameterTypeException
|
227 |
* @throws WrongParameterIDException
|
228 |
* @throws NullParameterValueException
|
229 |
*/
|
230 |
private void computesUnion(FeatureStore storeLayer1, FeatureStore storeLayer2, |
231 |
FeatureStore featStoreOut, boolean selectedGeomInput, boolean selectGeomOverlay) throws DataException, WrongParameterTypeException, WrongParameterIDException, NullParameterValueException { |
232 |
computesIntersection(storeLayer1, storeLayer2, featStoreOut, selectedGeomInput, selectGeomOverlay, false);
|
233 |
computesDifference(storeLayer1, storeLayer2, featStoreOut, selectedGeomInput, selectGeomOverlay, false);
|
234 |
computesDifference(storeLayer2, storeLayer1, featStoreOut, selectedGeomInput, selectGeomOverlay, true);
|
235 |
} |
236 |
|
237 |
/**
|
238 |
* Computes intersection
|
239 |
* @param storeLayer1
|
240 |
* @param storeLayer2
|
241 |
* @param featStoreOut
|
242 |
* @param selectedGeom
|
243 |
* @param close
|
244 |
* @throws DataException
|
245 |
* @throws WrongParameterTypeException
|
246 |
* @throws WrongParameterIDException
|
247 |
* @throws NullParameterValueException
|
248 |
*/
|
249 |
private void computesIntersection(FeatureStore storeLayer1, FeatureStore storeLayer2, |
250 |
FeatureStore featStoreOut, boolean selectedGeomInput, boolean selectGeomOverlay, boolean close) throws DataException, WrongParameterTypeException, WrongParameterIDException, NullParameterValueException { |
251 |
GeometryOperation intersection = new IntersectionOperation(storeLayer2, this); |
252 |
intersection.setTaskStatus(getStatus()); |
253 |
intersection.computesGeometryOperation(storeLayer1, featStoreOut, attrNames, |
254 |
selectedGeomInput, selectGeomOverlay, close); |
255 |
} |
256 |
|
257 |
/**
|
258 |
* Computes difference
|
259 |
* @param storeLayer1
|
260 |
* @param storeLayer2
|
261 |
* @param featStoreOut
|
262 |
* @param selectedGeom
|
263 |
* @param close
|
264 |
* @throws DataException
|
265 |
* @throws WrongParameterTypeException
|
266 |
* @throws WrongParameterIDException
|
267 |
* @throws NullParameterValueException
|
268 |
*/
|
269 |
private void computesDifference(FeatureStore storeLayer1, FeatureStore storeLayer2, |
270 |
FeatureStore featStoreOut, boolean selectedGeomInput, boolean selectGeomOverlay, boolean close) throws DataException, WrongParameterTypeException, WrongParameterIDException, NullParameterValueException { |
271 |
Geometry unionGeom1 = ScalableUnionOperation.joinLayerGeometries(storeLayer2, selectGeomOverlay); |
272 |
GeometryOperation differenceL1_L2 = new DifferenceOperation(unionGeom1, this); |
273 |
differenceL1_L2.setTaskStatus(getStatus()); |
274 |
differenceL1_L2.computesGeometryOperation(storeLayer1, featStoreOut, attrNames, |
275 |
selectedGeomInput, selectGeomOverlay, close); |
276 |
} |
277 |
|
278 |
} |