Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2009 {Iver T.I.}   {Task}

*/

package org.gvsig.fmap.geom.operation.tojts;

import com.vividsolutions.jts.geom.Coordinate;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.aggregate.MultiPoint;

import org.gvsig.fmap.geom.operation.GeometryOperationContext;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

import org.gvsig.fmap.geom.primitive.Point;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class MultiPointToJTS extends ToJTS{

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.geom.operation.tojts.ToJTS#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)

         */

        public Object invoke(Geometry geom, GeometryOperationContext ctx) throws GeometryOperationException {

                int srid = -1;

                if (ctx != null){

                        srid = ((JTSGeometryOperationContext)ctx).getSrid();

                }

                MultiPoint multiPoint = (MultiPoint)geom;

                int numPoints = multiPoint.getPrimitivesNumber();

        Coordinate[] coordinates = new Coordinate[numPoints];

        for(int i=0; i<numPoints; i++){

            Point point = multiPoint.getPointAt(i);

            coordinates[i] = new Coordinate(point.getX(), point.getY());

        }

        com.vividsolutions.jts.geom.Geometry gtMultiPoint = geomFactory.createMultiPoint(coordinates);

        gtMultiPoint.setSRID(srid);

        return gtMultiPoint;                

        }        

}