/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2001-2006 Vivid Solutions
* (C) 2001-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library 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 2.1 of the License.
*
* This library 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.
*/
package org.geotools.geometry.iso.operation.overlay;
import org.geotools.geometry.iso.topograph2D.DirectedEdge;
import org.geotools.geometry.iso.topograph2D.Edge;
import org.geotools.geometry.iso.topograph2D.EdgeRing;
import org.geotools.geometry.iso.util.algorithm2D.CGAlgorithms;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* A ring of {@link Edge}s with the property that no node has degree greater
* than 2. These are the form of rings required to represent polygons under the
* OGC SFS spatial data model.
*
*
*
*
* @source $URL$
*/
public class MinimalEdgeRing extends EdgeRing {
public MinimalEdgeRing(DirectedEdge start,
CoordinateReferenceSystem crs, CGAlgorithms cga) {
super(start, crs, cga);
}
public DirectedEdge getNext(DirectedEdge de) {
return de.getNextMin();
}
public void setEdgeRing(DirectedEdge de, EdgeRing er) {
de.setMinEdgeRing(er);
}
}