Revision 43034 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.mapcontext/org.gvsig.fmap.mapcontext.api/src/main/java/org/gvsig/fmap/mapcontext/layers/vectorial/OverlapsGeometryEvaluator.java
OverlapsGeometryEvaluator.java | ||
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* Copyright (C) 2007-2013 gvSIG Association. |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* You should have received a copy of the GNU General Public License along with |
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* this program; if not, write to the Free Software Foundation, Inc., 51 |
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* For any additional information, do not hesitate to contact us |
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com. |
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*/ |
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package org.gvsig.fmap.mapcontext.layers.vectorial; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.ExpressionBuilder; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.tools.evaluator.AbstractEvaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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/** |
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class OverlapsGeometryEvaluator extends AbstractEvaluator { |
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private String geomName; |
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private Geometry geometry; |
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private Geometry geometryTrans; |
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private String srs; |
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private boolean isDefault; |
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private final String geomName; |
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private final Geometry geometry; |
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private final Geometry geometryTrans; |
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private final boolean isDefault; |
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private final ExpressionBuilder builder; |
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private final IProjection projection; |
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OverlapsGeometryEvaluator(Geometry geometry, |
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IProjection envelopeProjection, FeatureType featureType, |
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String geomName) { |
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FeatureAttributeDescriptor fad = (FeatureAttributeDescriptor) featureType |
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.get(geomName); |
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this.isDefault = featureType.getDefaultGeometryAttributeName().equals( |
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geomName); |
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this.geometry = geometry; |
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this.geometryTrans = geometry.cloneGeometry(); |
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this.srs = envelopeProjection.getAbrev(); |
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IProjection fad_proj = fad.getSRS(); |
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ICoordTrans ct = null; |
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if (fad_proj != null && !fad_proj.equals(envelopeProjection)) { |
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ct = envelopeProjection.getCT(fad_proj); |
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} |
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if (ct != null) { |
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geometryTrans.reProject(ct); |
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} |
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this.geomName = geomName; |
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OverlapsGeometryEvaluator( |
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Geometry geometry, |
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IProjection projection, |
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FeatureType featureType, |
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String geomName, |
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ExpressionBuilder builder |
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) { |
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FeatureAttributeDescriptor fad = (FeatureAttributeDescriptor) featureType |
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.get(geomName); |
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this.isDefault = featureType.getDefaultGeometryAttributeName().equals(geomName); |
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this.geometry = geometry; |
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this.geometryTrans = geometry.cloneGeometry(); |
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this.projection = projection; |
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this.builder = builder; |
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IProjection fad_proj = fad.getSRS(); |
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ICoordTrans ct = null; |
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this.getFieldsInfo().addMatchFieldValue(geomName, geometryTrans); |
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if (fad_proj != null && !fad_proj.equals(projection)) { |
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ct = projection.getCT(fad_proj); |
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} |
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} |
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if (ct != null) { |
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geometryTrans.reProject(ct); |
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} |
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this.geomName = geomName; |
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public Object evaluate(EvaluatorData data) throws EvaluatorException {
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this.getFieldsInfo().addMatchFieldValue(geomName, geometryTrans);
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try { |
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Geometry geom = null; |
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if (isDefault) { |
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Feature feature = (Feature) data.getContextValue("feature"); |
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geom = feature.getDefaultGeometry(); |
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} |
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} else { |
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geom = (Geometry) data.getDataValue(geomName); |
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} |
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if ( geom == null ) { |
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return Boolean.FALSE; |
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} |
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return new Boolean(geometryTrans.overlaps(geom)); |
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@Override |
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public Object evaluate(EvaluatorData data) throws EvaluatorException { |
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} catch (Exception e) { |
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throw new EvaluatorException(e); |
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} |
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} |
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try { |
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Geometry geom; |
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if (isDefault) { |
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Feature feature = (Feature) data.getContextValue("feature"); |
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geom = feature.getDefaultGeometry(); |
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public String getName() { |
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return "overlaps with geometry"; |
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} |
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} else { |
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geom = (Geometry) data.getDataValue(geomName); |
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} |
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if (geom == null) { |
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return Boolean.FALSE; |
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} |
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return geometryTrans.overlaps(geom); |
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public String getSQL() {
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return " ST_overlaps(ST_GeomFromText('" + geometry.toString() + "', " + "'"
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+ srs + "'" + "), " + geomName + ") ";
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}
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} catch (Exception e) {
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throw new EvaluatorException(e);
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}
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}
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@Override |
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public String getName() { |
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return "overlaps with geometry"; |
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} |
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@Override |
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public String getSQL() { |
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return this.builder.set( |
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builder.ST_Overlaps( |
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builder.geometry(geometry, projection), |
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builder.column(geomName) |
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) |
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).toString(); |
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} |
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} |
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