svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.operation / src / main / java / org / gvsig / fmap / geom / operation / relationship / Within.java @ 40596
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/**
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* gvSIG. Desktop Geographic Information System.
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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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*
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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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*
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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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*
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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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*/
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package org.gvsig.fmap.geom.operation.relationship; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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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.operation.tojts.ToJTS; |
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import org.gvsig.fmap.geom.primitive.impl.DefaultNullGeometry; |
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/**
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*
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* @author Vicente Caballero Navarro
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*
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*/
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public class Within extends GeometryOperation { |
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public static final String NAME = "within"; |
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public static final int CODE = GeometryLocator.getGeometryManager(). |
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getGeometryOperationCode(NAME); |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#getOperationIndex()
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*/
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public int getOperationIndex() { |
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return CODE;
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.operation.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry,
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* org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invoke(Geometry geom, GeometryOperationContext ctx) |
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throws GeometryOperationException {
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Geometry otherGeom = (Geometry) ctx.getAttribute("geom");
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if (otherGeom instanceof DefaultNullGeometry || geom instanceof DefaultNullGeometry ){ |
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return new Boolean(false); |
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} |
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// TODO optimizar esto para los rectangulos (envelope)
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com.vividsolutions.jts.geom.Geometry jtsGeom = null;
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com.vividsolutions.jts.geom.Geometry otherJtsGeom = null;
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try {
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jtsGeom = (com.vividsolutions.jts.geom.Geometry) geom |
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(geom.getType(), CODE, e); |
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} |
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try {
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otherJtsGeom = (com.vividsolutions.jts.geom.Geometry) otherGeom |
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.invokeOperation(ToJTS.CODE, null);
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} catch (GeometryOperationNotSupportedException e) {
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throw new GeometryOperationException(otherGeom.getType(), CODE, e); |
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} |
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if (jtsGeom!=null && otherJtsGeom!=null) |
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return new Boolean(jtsGeom.within(otherJtsGeom)); |
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return new Boolean(false); |
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} |
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} |