Source Code Cross Referenced for GM_Point.java in  » GIS » GeOxygene-1.3 » fr » ign » cogit » geoxygene » spatial » geomprim » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeOxygene 1.3 » fr.ign.cogit.geoxygene.spatial.geomprim 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * This file is part of the GeOxygene project source files. 
003:         * 
004:         * GeOxygene aims at providing an open framework which implements OGC/ISO specifications for 
005:         * the development and deployment of geographic (GIS) applications. It is a open source 
006:         * contribution of the COGIT laboratory at the Institut Géographique National (the French 
007:         * National Mapping Agency).
008:         * 
009:         * See: http://oxygene-project.sourceforge.net 
010:         *  
011:         * Copyright (C) 2005 Institut Géographique National
012:         *
013:         * This library is free software; you can redistribute it and/or modify it under the terms
014:         * of the GNU Lesser General Public License as published by the Free Software Foundation; 
015:         * either version 2.1 of the License, or any later version.
016:         *
017:         * This library is distributed in the hope that it will be useful, but WITHOUT ANY 
018:         * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
019:         * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
020:         *
021:         * You should have received a copy of the GNU Lesser General Public License along with 
022:         * this library (see file LICENSE if present); if not, write to the Free Software 
023:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024:         *  
025:         */
026:
027:        package fr.ign.cogit.geoxygene.spatial.geomprim;
028:
029:        import fr.ign.cogit.geoxygene.spatial.coordgeom.DirectPosition;
030:        import fr.ign.cogit.geoxygene.spatial.coordgeom.DirectPositionList;
031:
032:        /**
033:         * Classe pour un objet géométrique constitué de un point, et seulement un.
034:         *
035:         * @author Thierry Badard & Arnaud Braun
036:         * 
037:         * 19.02.2007 : correction de bug constructeur à partir d'une DirectPosition
038:         * 
039:         * @version 1.1
040:         * 
041:         */
042:
043:        public class GM_Point extends GM_Primitive {
044:
045:            /** DirectPosition du point (DirectPosition étant la classe stockant les coordonnées). */
046:            protected DirectPosition position;
047:
048:            /** Renvoie le DirectPosition du point. */
049:            public DirectPosition getPosition() {
050:                return this .position;
051:            }
052:
053:            /** Affecte un DirectPosition au point. Le DirectPosition et le GM_Point doivent avoir la même dimension.
054:             * @param pos DirectPosition : coordonnées du point */
055:            public void setPosition(DirectPosition pos) {
056:                position = pos;
057:            }
058:
059:            /** NON IMPLEMENTE (renvoie null).
060:             * Direction entre self et le GM_Point passé en paramètre, en suivant une courbe qui dépend du sytème de coordonnées (courbe géodésique par exemple). 
061:             * Le bearing retourné est un vecteur.
062:             */
063:            /*    public Bearing bearing(GM_Point toPoint) {
064:                return null;
065:            }
066:             */
067:            /** NON IMPLEMENTE (renvoie null).
068:             * Direction entre self et le DirectPosition passé en paramètre, en suivant une courbe qui dépend du sytème de coordonnées (courbe géodésique par exemple). 
069:             * Le bearing retourné est un vecteur.
070:             */
071:            /*    public Bearing bearing(DirectPosition toPoint) {
072:                return null;
073:            }
074:             */
075:
076:            /** Constructeur par défaut. */
077:            public GM_Point() {
078:                position = new DirectPosition();
079:            }
080:
081:            /** Constructeur à partir de coordonnées. 
082:             * @param pos DirectPosition : coordonnées du point */
083:            public GM_Point(DirectPosition pos) {
084:                position = new DirectPosition(pos.getCoordinate());
085:            }
086:
087:            /** Affiche les coordonnées du point (2D et 3D). */
088:            /*public String toString () {
089:                 if (position != null) return getPosition().toString();
090:                 else return "GM_Point : geometrie vide";
091:            }   */
092:
093:            /** Renvoie la liste des coordonnées, qui est constituée d'un seul DirectPosition. */
094:            public DirectPositionList coord() {
095:                DirectPositionList dpl = new DirectPositionList();
096:                if (position != null)
097:                    dpl.add(position);
098:                return dpl;
099:            }
100:
101:        }
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