001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/wpvs/j3d/TexturedSurface.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.ogcwebservices.wpvs.j3d;
037
038 import java.awt.image.BufferedImage;
039 import java.util.ArrayList;
040 import java.util.List;
041
042 import javax.media.j3d.Appearance;
043 import javax.media.j3d.Material;
044 import javax.media.j3d.Texture;
045 import javax.vecmath.Point3d;
046 import javax.vecmath.TexCoord2f;
047
048 import org.deegree.framework.log.ILogger;
049 import org.deegree.framework.log.LoggerFactory;
050 import org.deegree.model.spatialschema.Geometry;
051 import org.deegree.model.spatialschema.MultiSurface;
052 import org.deegree.model.spatialschema.Surface;
053 import org.deegree.ogcwebservices.wpvs.configuration.RenderingConfiguration;
054
055 import com.sun.j3d.utils.geometry.GeometryInfo;
056 import com.sun.j3d.utils.geometry.NormalGenerator;
057 import com.sun.j3d.utils.image.TextureLoader;
058
059 /**
060 *
061 *
062 *
063 * @version $Revision: 18195 $
064 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
065 * @author last edited by: $Author: mschneider $
066 *
067 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
068 *
069 */
070 public class TexturedSurface extends ColoredSurface {
071 private static ILogger LOG = LoggerFactory.getLogger( TexturedSurface.class );
072
073 private Texture texture = null;
074
075 private BufferedImage textureImg = null;
076
077 /**
078 * creates a TexturedSurface from a geometry, Material and a texture image. Since a texture image be somehow
079 * transparent it is useful to be able to define a surfaces color.
080 *
081 * @param objectID
082 * an Id for this Surface, for example a db primary key
083 * @param parentID
084 * an Id for the parent of this Surface, for example if this is a wall the parent is the building.
085 * @param geometry
086 * the ogc:geometry surface which holds the point references of a polygon, not to be confused with a j3d
087 * Object which this class represents.
088 * @param material
089 * @param transparency
090 * @param textureImg
091 * @param textureCoords
092 */
093 public TexturedSurface( String objectID, String parentID, Geometry geometry, Material material, float transparency,
094 BufferedImage textureImg, List<TexCoord2f> textureCoords ) {
095 super( objectID, parentID, geometry, material, transparency );
096
097 this.textureImg = textureImg;
098 createTexture( textureImg );
099 setAppearance( createAppearance() );
100 addGeometry( geometry, textureCoords );
101 }
102
103 private void createTexture( BufferedImage textureImg ) {
104 try {
105 texture = new TextureLoader( textureImg, TextureLoader.GENERATE_MIPMAP ).getTexture();
106 texture.setEnable( true );
107 texture.setMipMapMode( Texture.MULTI_LEVEL_MIPMAP );
108 texture.setCapability( Texture.ALLOW_ENABLE_WRITE );
109 } catch ( Exception e ) {
110 e.printStackTrace();
111 }
112 }
113
114 /**
115 * @return the texture of this surface.
116 */
117 public BufferedImage getTexture() {
118 return textureImg;
119 }
120
121 /**
122 * this method must be called before adding the surface to a Group
123 */
124 @Override
125 public void compile() {
126 //GeometryInfo geomInfo = getGeometryInfo( surface );
127 setAppearanceOverrideEnable( true );
128 }
129
130 /**
131 * Adds the given surface and texcoords to this shape.
132 *
133 * @param surface
134 * to be added
135 * @param texCoords
136 * to be added.
137 */
138 public void addGeometry( Geometry surface, List<TexCoord2f> texCoords ) {
139 List<Point3d> coordinates = new ArrayList<Point3d>();
140 List<Integer> contourCount = new ArrayList<Integer>( 200 );
141 if ( surface != null ) {
142 if ( surface instanceof MultiSurface ) {
143 for ( Surface multiSurface : ( (MultiSurface) surface ).getAllSurfaces() ) {
144 extractSurface( multiSurface, coordinates, contourCount );
145 }
146 } else if ( surface instanceof Surface ) {
147 extractSurface( (Surface) surface, coordinates, contourCount );
148 } else {
149 throw new UnsupportedOperationException( "Don't know how to create a textured surface from given geometry" );
150 }
151 }
152 GeometryInfo geometryInfo = new GeometryInfo( GeometryInfo.POLYGON_ARRAY );
153
154 geometryInfo.setCoordinates( coordinates.toArray( new Point3d[0] ) );
155 int[] sc = new int[contourCount.size()];
156 int stripCountNumber = 0;
157 for ( int i = 0; i < contourCount.size(); ++i ) {
158 sc[i] = contourCount.get( i ).intValue();
159 stripCountNumber += sc[i];
160 }
161 LOG.logDebug( "Geometry has number of vertices: " + coordinates.size()
162 + " the number of Strip counts adds up to: " + stripCountNumber );
163 geometryInfo.setStripCounts( sc );
164 // we don't actually need the contours, just an array which has the right length.
165 geometryInfo.setContourCounts( new int[] { sc.length } );
166
167 if ( texCoords != null ) {
168 geometryInfo.setTextureCoordinateParams( 1, 2 );
169 geometryInfo.setTextureCoordinates( 0, texCoords.toArray( new TexCoord2f[0] ) );
170 }
171 NormalGenerator ng = new NormalGenerator();
172 ng.generateNormals( geometryInfo );
173
174 geometryInfo.convertToIndexedTriangles();
175 addGeometry( geometryInfo.getIndexedGeometryArray( true ) );
176 }
177
178 // /**
179 // * Adds the given surface and texcoords to this shape.
180 // *
181 // * @param surface
182 // * to be added
183 // * @param texCoords
184 // * to be added.
185 // */
186 // public void addGeometry( Surface surface, List<TexCoord2f> texCoords ) {
187 // LOG.logDebug( "Adding geometry to textured surface: " + surface + "with texCoords: " + texCoords );
188 // List<Point3d> coordinates = new ArrayList<Point3d>();
189 // List<Integer> contourCount = new ArrayList<Integer>( 200 );
190 // if ( surface != null ) {
191 // // SurfaceBoundary sb = surface.getSurfaceBoundary();
192 // // if ( sb != null ) {
193 // // Ring outerRing = sb.getExteriorRing();
194 // // if ( outerRing != null ) {
195 // // Position[] pos = outerRing.getPositions();
196 // // if ( pos != null ) {
197 // // // the surface start and end point are the same, ignoring the last node.
198 // // for ( int i = 0; i < pos.length - 1; ++i ) {
199 // // coordinates.add( pos[i].getAsPoint3d() );
200 // // }
201 // // contourCount.add( new Integer( pos.length - 1 ) );
202 // // }
203 // //
204 // // Ring[] innerRings = sb.getInteriorRings();
205 // // if ( innerRings != null ) {
206 // // for ( Ring innerRing : innerRings ) {
207 // // pos = innerRing.getPositions();
208 // // if ( pos != null ) {
209 // // // the surface start and end point are the same, ignoring the last node.
210 // // for ( int i = 0; i < pos.length - 1; ++i ) {
211 // // coordinates.add( pos[i].getAsPoint3d() );
212 // // }
213 // // contourCount.add( new Integer( pos.length - 1 ) );
214 // // }
215 // // }
216 // // }
217 // // }
218 // //
219 // // }
220 // extractSurface( surface, coordinates, contourCount );
221 // }
222 // GeometryInfo geometryInfo = new GeometryInfo( GeometryInfo.POLYGON_ARRAY );
223 //
224 // geometryInfo.setCoordinates( coordinates.toArray( new Point3d[0] ) );
225 // int[] sc = new int[contourCount.size()];
226 // int stripCountNumber = 0;
227 // for ( int i = 0; i < contourCount.size(); ++i ) {
228 // sc[i] = contourCount.get( i ).intValue();
229 // stripCountNumber += sc[i];
230 // }
231 // LOG.logDebug( "Geometry has number of vertices: " + coordinates.size()
232 // + " the number of Strip counts adds up to: " + stripCountNumber );
233 // geometryInfo.setStripCounts( sc );
234 // // we don't actually need the contours, just an array which has the right length.
235 // geometryInfo.setContourCounts( new int[] { sc.length } );
236 //
237 // if ( texCoords != null ) {
238 // geometryInfo.setTextureCoordinateParams( 1, 2 );
239 // geometryInfo.setTextureCoordinates( 0, texCoords.toArray( new TexCoord2f[0] ) );
240 // }
241 // NormalGenerator ng = new NormalGenerator();
242 // ng.generateNormals( geometryInfo );
243 //
244 // geometryInfo.convertToIndexedTriangles();
245 // addGeometry( geometryInfo.getGeometryArray() );
246 // }
247
248 /**
249 * Creates an appearance by setting the texture and default texture coordinates if none were given.
250 *
251 * @return the altered appearance
252 */
253 public Appearance createAppearance() {
254 Appearance ap = getAppearance();
255 if ( texture != null ) {
256 ap.setTexture( texture );
257 ap.setTextureAttributes( RenderingConfiguration.getInstance().getTextureAttributes() );
258 }
259 return ap;
260 }
261 }