001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/model/spatialschema/SurfacePatch.java $ 002 /*---------------- FILE HEADER ------------------------------------------ 003 004 This file is part of deegree. 005 Copyright (C) 2001-2006 by: 006 EXSE, Department of Geography, University of Bonn 007 http://www.giub.uni-bonn.de/deegree/ 008 lat/lon GmbH 009 http://www.lat-lon.de 010 011 This library is free software; you can redistribute it and/or 012 modify it under the terms of the GNU Lesser General Public 013 License as published by the Free Software Foundation; either 014 version 2.1 of the License, or (at your option) any later version. 015 016 This library is distributed in the hope that it will be useful, 017 but WITHOUT ANY WARRANTY; without even the implied warranty of 018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 019 Lesser General Public License for more details. 020 021 You should have received a copy of the GNU Lesser General Public 022 License along with this library; if not, write to the Free Software 023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 024 025 Contact: 026 027 Andreas Poth 028 lat/lon GmbH 029 Aennchenstr. 19 030 53115 Bonn 031 Germany 032 E-Mail: poth@lat-lon.de 033 034 Prof. Dr. Klaus Greve 035 Department of Geography 036 University of Bonn 037 Meckenheimer Allee 166 038 53115 Bonn 039 Germany 040 E-Mail: greve@giub.uni-bonn.de 041 042 043 ---------------------------------------------------------------------------*/ 044 045 package org.deegree.model.spatialschema; 046 047 import org.deegree.model.crs.CoordinateSystem; 048 049 /** 050 * 051 * Defining the iso geometry <code>SurfacePatch</code> which is used 052 * for building surfaces. A surface patch is made of one exterior ring 053 * and 0..n interior rings. By definition there can't be a surface patch 054 * with no exterior ring. 055 * A polygon is a specialized surface patch. 056 * 057 * ----------------------------------------------------- 058 * 059 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a> 060 * @version $Revision: 6259 $ $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $ 061 */ 062 063 public interface SurfacePatch extends GenericSurface { 064 065 066 /** 067 * The interpolation determines the surface interpolation mechanism 068 * used for this SurfacePatch. This mechanism uses the control 069 * points and control parameters defined in the various subclasses 070 * to determine the position of this SurfacePatch. 071 */ 072 SurfaceInterpolation getInterpolation(); 073 074 /** 075 * returns the exterior ring of the surface 076 */ 077 Position[] getExteriorRing(); 078 079 /** 080 * returns the interior rings of the surface 081 */ 082 Position[][] getInteriorRings(); 083 084 /** 085 * returns the coordinate system of the surface patch 086 */ 087 CoordinateSystem getCoordinateSystem(); 088 089 /** 090 * The Boolean valued operation "intersects" shall return TRUE if this Geometry 091 * intersects another Geometry. Within a Complex, the Primitives do not 092 * intersect one another. In general, topologically structured data uses shared 093 * geometric objects to capture intersection information. 094 */ 095 boolean intersects(Geometry gmo); 096 097 /** 098 * The Boolean valued operation "contains" shall return TRUE if this Geometry 099 * contains another Geometry. 100 */ 101 boolean contains(Geometry gmo); 102 103 /** 104 * The operation "centroid" shall return the mathematical centroid for this 105 * Geometry. The result is not guaranteed to be on the object. 106 */ 107 public Point getCentroid(); 108 109 /** 110 * The operation "area" shall return the area of this GenericSurface. 111 * The area of a 2 dimensional geometric object shall be a numeric 112 * measure of its surface area Since area is an accumulation (integral) 113 * of the product of two distances, its return value shall be in a unit 114 * of measure appropriate for measuring distances squared. 115 */ 116 public double getArea(); 117 118 /** 119 * @link aggregationByValue 120 * @clientCardinality 1..* 121 */ 122 } 123 /* ******************************************************************** 124 Changes to this class. What the people have been up to: 125 $Log$ 126 Revision 1.6 2006/07/12 14:46:15 poth 127 comment footer added 128 129 ********************************************************************** */