| gvSIG desktop 1

/*

 * Created on 12-may-2006

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: SingleFieldAdjacencyDissolveCriteria.java 5412 2006-05-24 21:15:07Z azabala $

* $Log$

* Revision 1.1  2006-05-24 21:11:14  azabala

* primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing

*

*

*/

package com.iver.cit.gvsig.geoprocess.dissolve.fmap;

import org.cresques.cts.ICoordTrans;

import com.hardcode.gdbms.engine.data.driver.DriverException;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.IntersectionMatrix;

/**

 * Its a SingleFieldCriteria that adds adjacency condition:

 * once a feature has passed the single field value dissolve

 * criteria (it has the same specified field value) it must be

 * adjacent to the seed feature to dissolve them.

 * @author azabala

 *

 */

public class SingleFieldAdjacencyDissolveCriteria extends

                                                        SingleFieldDissolveCriteria /*implements

                                                        ISpatialDissolveCriteria*/{

//        private IGeometry firstGeometry;

//        

//        private IGeometry secondGeometry;

//        

//        private ICoordTrans ct;

        /**

         * Cached jts geometry of the dissolve 'seed'

         */

//        private Geometry cachedJts;

//        

//        private Geometry cachedJts2;

        public SingleFieldAdjacencyDissolveCriteria(String dissolveField, 

                        FLyrVect layer) throws DriverException {

                super(dissolveField, layer);

        }

//        public IGeometry getFirstGeometry(){

////                return firstGeometry;

//        }

//        

//        public IGeometry getSecondGeometry(){

//                return secondGeometry;

//        }

        public boolean verifyIfDissolve(int featureIndex1, int featureIndex2) {

                //first the alphanumeric criteria

                if(super.verifyIfDissolve(featureIndex1, featureIndex2)){

                        //second the spatial criteria

//                        FIXME: Arreglar esto

//                                fetchGeometry(featureIndex1);

//                                fetchGeometry2(featureIndex2);

                        Geometry g1;

                        Geometry g2;

                        try {

                                g1 = layer.getSource().getShape(featureIndex1).toJTSGeometry();

                                g2 = layer.getSource().getShape(featureIndex2).toJTSGeometry();

                        } catch (DriverIOException e) {

                                return false;

                        }

                        return g1.intersects(g2);

//                        return cachedJts.intersects(cachedJts2);

                }

                return false;

        }

        /**

         * Verify if the geometry of the seed feature has been readed,

         * and reads it if not.

         * @param index

         */

//        private void fetchGeometry(int index){

//                if(cachedJts == null){

//                        try {

//                                firstGeometry = layer.getSource().getShape(index);

//                                if(ct != null)

//                                        firstGeometry.reProject(ct);

//                                cachedJts = firstGeometry.toJTSGeometry();

//                        } catch (DriverIOException e) {

//                                // TODO Auto-generated catch block

//                                e.printStackTrace();

//                        }

//                }

//        }

        /**

         * Verify if the geometry of the seed feature has been readed,

         * and reads it if not.

         * @param index

         */

//        private void fetchGeometry2(int index){

//                if(cachedJts2 == null){

//                        try {

//                                secondGeometry = layer.getSource().getShape(index);

//                                if(ct != null)

//                                        secondGeometry.reProject(ct);

//                                cachedJts2 = secondGeometry.toJTSGeometry();

//                        } catch (DriverIOException e) {

//                                // TODO Auto-generated catch block

//                                e.printStackTrace();

//                        }

//                }

//        }

        public void clear() {

                super.clear();

//                cachedJts = null;

        }

//        public void setFirstGeometry(IGeometry g) {

//                firstGeometry = g;

//                cachedJts = firstGeometry.toJTSGeometry();

//        }

//        public void setSecondGeometry(IGeometry g) {

//                secondGeometry = g;

//                cachedJts2 = secondGeometry.toJTSGeometry();

//        }

//        public void setCoordTrans(ICoordTrans coordTrans) {

//                this.ct = coordTrans;

//        }

//

//

//        public void setFirstJts(Geometry g) {

//                cachedJts = g;

//        }

//        

//        public Geometry getSecondJts(){

//                return cachedJts2;

//        }

//        public void setSecondJts(Geometry g) {

//                cachedJts2 = g;

//        }

}