001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/io/shpapi/SHPPoint.java $
002
003 /*---------------- FILE HEADER ------------------------------------------
004
005 This file is part of deegree.
006 Copyright (C) 2001-2008 by:
007 EXSE, Department of Geography, University of Bonn
008 http://www.giub.uni-bonn.de/deegree/
009 lat/lon GmbH
010 http://www.lat-lon.de
011
012 This library is free software; you can redistribute it and/or
013 modify it under the terms of the GNU Lesser General Public
014 License as published by the Free Software Foundation; either
015 version 2.1 of the License, or (at your option) any later version.
016
017 This library is distributed in the hope that it will be useful,
018 but WITHOUT ANY WARRANTY; without even the implied warranty of
019 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
020 Lesser General Public License for more details.
021
022 You should have received a copy of the GNU Lesser General Public
023 License along with this library; if not, write to the Free Software
024 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
025
026 Contact:
027
028 Andreas Poth
029 lat/lon GmbH
030 Aennchenstr. 19
031 53115 Bonn
032 Germany
033 E-Mail: poth@lat-lon.de
034
035 Prof. Dr. Klaus Greve
036 Department of Geography
037 University of Bonn
038 Meckenheimer Allee 166
039 53115 Bonn
040 Germany
041 E-Mail: greve@giub.uni-bonn.de
042
043
044 ---------------------------------------------------------------------------*/
045
046 package org.deegree.io.shpapi;
047
048
049 import org.deegree.model.spatialschema.ByteUtils;
050 import org.deegree.model.spatialschema.Position;
051
052 /**
053 * Class representig a two dimensional point<BR>
054 *
055 * @version 14.08.2000
056 * @author Andreas Poth
057 *
058 */
059 public class SHPPoint extends SHPGeometry {
060
061 public double x;
062 public double y;
063
064 public SHPPoint() {}
065
066 /**
067 * constructor: gets a stream and the start index <BR>
068 * of point on it <BR>
069 */
070 public SHPPoint(byte[] recBuf, int xStart) {
071
072 super(recBuf);
073
074 //get x out of recordbuffer
075 this.x = ByteUtils.readLEDouble(recBuffer, xStart);
076 //get y out of recordbuffer
077 this.y = ByteUtils.readLEDouble(recBuffer, xStart + 8);
078
079 }
080
081 /**
082 * constructor: creates a SHPPoint from a WKS Geometrie<BR>
083 */
084 public SHPPoint (Position point) {
085 x = point.getX() ;
086 y = point.getY() ;
087 }
088
089 /**
090 * method: writeSHPPoint: writes a SHPPoint Objekt to a recBuffer <BR>
091 */
092 public void writeSHPPoint (byte [] byteArray, int start) {
093
094 int offset = start;
095
096 // write shape type identifier ( 1 = point )
097 ByteUtils.writeLEInt(byteArray, offset, 1);
098
099 offset += 4;
100
101 //write x into the recbuffer
102 ByteUtils.writeLEDouble (byteArray, offset, x);
103
104 offset += 8;
105
106 //write y into the recbuffer
107 ByteUtils.writeLEDouble (byteArray, offset, y);
108
109 }
110
111 /**
112 * returns the size of the point shape in bytes<BR>
113 */
114 public int size() {
115 return 20;
116 }
117
118 public String toString() {
119
120 return "SHPPOINT" + "[" + this.x + "; " + this.y + "]";
121
122 }
123
124 }