/**
* H2GIS is a library that brings spatial support to the H2 Database Engine
* <http://www.h2database.com>. H2GIS is developed by CNRS
* <http://www.cnrs.fr/>.
*
* This code is part of the H2GIS project. H2GIS is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation;
* version 3.0 of the License.
*
* H2GIS 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 Lesser General Public License
* for more details <http://www.gnu.org/licenses/>.
*
*
* For more information, please consult: <http://www.h2gis.org/>
* or contact directly: info_at_h2gis.org
*/
package org.h2gis.functions.spatial.snap;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.operation.overlay.snap.GeometrySnapper;
import org.h2gis.api.DeterministicScalarFunction;
/**
* Snaps two geometries together with a given tolerance
*
* @author Erwan Bocher
*/
public class ST_Snap extends DeterministicScalarFunction {
public ST_Snap() {
addProperty(PROP_REMARKS, "Snaps two geometries together with a given tolerance");
}
@Override
public String getJavaStaticMethod() {
return "snap";
}
/**
* Snaps two geometries together with a given tolerance
*
* @param geometryA a geometry to snap
* @param geometryB a geometry to snap
* @param distance the tolerance to use
* @return the snapped geometries
*/
public static Geometry snap(Geometry geometryA, Geometry geometryB, double distance) {
if(geometryA == null||geometryB == null){
return null;
}
Geometry[] snapped = GeometrySnapper.snap(geometryA, geometryB, distance);
return snapped[0];
}
}