Revision 43020 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/IntersectsEnvelopeEvaluator.java
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* |
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* Copyright (C) 2007-2013 gvSIG Association. |
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* |
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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.IProjection; |
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import org.gvsig.fmap.dal.ExpressionBuilder; |
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import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
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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.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.evaluator.AbstractEvaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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public class IntersectsEnvelopeEvaluator extends AbstractEvaluator {
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private Envelope envelope; |
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private String geomName; |
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private String envelopeWKT = null; |
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private Envelope envelopeTrans; |
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private boolean isDefault; |
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private String srs; |
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String defaultGeometryAttributeName; |
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private Envelope envelope; |
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private String geomName; |
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private boolean isDefault; |
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private ExpressionBuilder condition; |
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String defaultGeometryAttributeName; |
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public IntersectsEnvelopeEvaluator(Envelope envelope, |
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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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IntersectsEnvelopeEvaluator(Envelope envelope, |
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IProjection envelopeProjection, FeatureType featureType, |
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String geomName, |
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ExpressionBuilder builder) {
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FeatureAttributeDescriptor fad = (FeatureAttributeDescriptor) featureType.get(geomName); |
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defaultGeometryAttributeName = featureType.getDefaultGeometryAttributeName(); |
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this.isDefault = defaultGeometryAttributeName.equals(geomName); |
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this.envelope = envelope; |
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this.geomName = geomName; |
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this.getFieldsInfo().addMatchFieldValue(geomName, envelope); |
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defaultGeometryAttributeName = featureType.getDefaultGeometryAttributeName(); |
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this.isDefault = defaultGeometryAttributeName.equals( |
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geomName); |
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this.envelope = envelope; |
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// this.srs = envelopeProjection.getAbrev(); |
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// this.projection=CRSFactory.getCRS(fad.getSRS()); |
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// this.envelopeProjection=envelopeProjection; |
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// ICoordTrans ct = null; |
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// if (!this.srs.equals(fad.getSRS())) { // FIXME comparaci?n
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// ct = envelopeProjection.getCT(fad.getSRS()); |
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// } |
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// if (ct != null) {
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// this.envelopeTrans = envelope.convert(ct); |
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// } else {
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this.envelopeTrans = envelope; |
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// } |
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this.geomName = geomName; |
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this.condition = builder.set( |
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builder.ST_Intersects( |
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builder.geometry(envelope.getGeometry(), envelopeProjection), |
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builder.ST_Envelope(builder.column(geomName)) |
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) |
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); |
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} |
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this.srs = envelopeProjection.getAbrev(); |
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this.getFieldsInfo().addMatchFieldValue(geomName, envelopeTrans); |
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} |
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@Override |
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public Object evaluate(EvaluatorData data) throws EvaluatorException {
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Envelope featureEnvelope; |
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Geometry geom = null;
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Geometry geom ; |
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if (isDefault) {
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geom = (Geometry) data.getDataValue(defaultGeometryAttributeName); |
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featureEnvelope = ((Feature) data.getContextValue("feature")).getDefaultEnvelope();
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} |
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featureEnvelope = geom.getEnvelope(); |
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} |
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if (envelopeTrans.intersects(featureEnvelope)) {
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return new Boolean(envelopeTrans.intersects(geom));
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if (envelope.intersects(featureEnvelope)) {
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return envelope.intersects(geom);
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} |
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return Boolean.FALSE; |
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} |
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public String getName() {
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return "intersects envelope"; |
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} |
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@Override |
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public String getName() {
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return "intersects envelope"; |
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} |
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public String getSQL() {
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if (envelopeWKT == null) {
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try {
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envelopeWKT = (String) envelope.getGeometry().convertToWKT(); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new DataEvaluatorRuntimeException(e); |
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} catch (GeometryOperationException e) {
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throw new DataEvaluatorRuntimeException(e); |
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} |
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} |
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return " ST_intersects(ST_GeomFromText('" + envelopeWKT + "', '" + srs
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+ "'), ST_envelope(" + geomName + ")) ";
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} |
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@Override |
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public String getSQL() {
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return this.condition.toString(); |
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} |
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} |
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