Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

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

import java.lang.reflect.Array;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

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

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

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

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

import org.gvsig.fmap.geom.util.Converter;

import com.vividsolutions.jts.geom.Coordinate;

public abstract class ToJTS extends GeometryOperation {

    public static final String NAME = "toJTS";

        protected static GeometryManager geomManager = GeometryLocator.getGeometryManager();

    public static final int CODE = geomManager.getGeometryOperationCode(NAME);        

        protected final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory();

        public int getOperationIndex() {

                return CODE;

        }

        protected boolean isClosed(Coordinate firstCoordinate, Coordinate lastCoordinate){

                double diff = Math.abs(lastCoordinate.x - firstCoordinate.x);

                if (diff > 0.000001){

                        return false;

                }

                diff = Math.abs(lastCoordinate.y - firstCoordinate.y);

                if (diff > 0.000001) {

                        return false;

                }

                return true;

        }

        protected boolean pointInList(Coordinate testPoint, Coordinate[] pointList) {

                int t;

                int numpoints;

                Coordinate p;

                numpoints = Array.getLength(pointList);

                for (t = 0; t < numpoints; t++) {

                        p = pointList[t];

                        if ((testPoint.x == p.x) && (testPoint.y == p.y) &&

                                        ((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan

                        ) {

                                return true;

                        }

                }

                return false;

        }

}