    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_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    }