/* * OSGeom -- Geometry Collab * * (C) 2009, Open Source Geospatial Foundation (OSGeo) * (C) 2001-2009 Department of Geography, University of Bonn * (C) 2001-2009 lat/lon GmbH * * 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.osgeo.geometry.primitive; import java.util.List; import org.osgeo.geometry.primitive.segments.LineStringSegment; /** * A {@link TriangulatedSurface} that uses the Delaunay algorithm or a similar algorithm complemented with consideration * of breaklines, stoplines, and maximum length of triangle sides. These networks satisfy the Delaunay's criterion away * from the modifications: For each triangle in the network, the circle passing through its vertices does not contain, * in its interior, the vertex of any other triangle. * <p> * One can notice that the useful information provided for the Tin element is solely the trianglePatches, since the * stopLines and breakLines (along with maxLength and ControlPoints) are only needed to obtain the triangulation. * However, GML allows to specify both, so the interface provides access to them. * </p> * * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a> * @author <a href="mailto:ionita@lat-lon.de">Andrei Ionita</a> * @author last edited by: $Author$ * * @version $Revision$, $Date$ */ public interface Tin extends TriangulatedSurface { /** * Must always return {@link Surface.SurfaceType#Tin}. * * @return {@link Surface.SurfaceType#Tin} */ public SurfaceType getSurfaceType(); /** * Returns the stop lines that must be respected by the triangulation. * * @return the stop lines */ public List<List<LineStringSegment>> getStopLines(); /** * Returns the break lines that must be respected by the triangulation. * * @return the break lines */ public List<List<LineStringSegment>> getBreakLines(); }