/* * The JTS Topology Suite is a collection of Java classes that * implement the fundamental operations required to validate a given * geo-spatial data set to a known topological specification. * * Copyright (C) 2001 Vivid Solutions * * 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; either * version 2.1 of the License, or (at your option) any later version. * * 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. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For more information, contact: * * Vivid Solutions * Suite #1A * 2328 Government Street * Victoria BC V8T 5G5 * Canada * * (250)385-6040 * www.vividsolutions.com */ package com.revolsys.geometry.operation.overlay; import com.revolsys.geometry.geomgraph.DirectedEdge; import com.revolsys.geometry.geomgraph.Edge; import com.revolsys.geometry.geomgraph.EdgeRing; import com.revolsys.geometry.model.GeometryFactory; /** * 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. * * @version 1.7 * @see com.revolsys.geometry.operation.overlay.MaximalEdgeRing */ public class MinimalEdgeRing extends EdgeRing { public MinimalEdgeRing(final DirectedEdge start, final GeometryFactory geometryFactory) { super(start, geometryFactory); } @Override public DirectedEdge getNext(final DirectedEdge de) { return de.getNextMin(); } @Override public void setEdgeRing(final DirectedEdge de, final EdgeRing er) { de.setMinEdgeRing(er); } }