001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wpvs/j3d/DefaultSurface.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 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     53177 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    package org.deegree.ogcwebservices.wpvs.j3d;
044    
045    import javax.media.j3d.Geometry;
046    import javax.media.j3d.Shape3D;
047    
048    import org.deegree.model.spatialschema.Position;
049    import org.deegree.model.spatialschema.Ring;
050    import org.deegree.model.spatialschema.Surface;
051    
052    import com.sun.j3d.utils.geometry.GeometryInfo;
053    import com.sun.j3d.utils.geometry.NormalGenerator;
054    
055    /**
056     * 
057     * 
058     * 
059     * @version $Revision: 9345 $
060     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
061     * @author last edited by: $Author: apoth $
062     * 
063     * @version 1.0. $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
064     * 
065     * @since 2.0
066     */
067    public class DefaultSurface extends Shape3D {
068    
069        protected Surface surface;
070    
071        private String parentID;
072    
073        private String objectID;
074    
075        /**
076         * 
077         * @param objectID
078         * @param parentID
079         * @param surface
080         */
081        public DefaultSurface( String objectID, String parentID, Surface surface ) {
082            super();
083            this.surface = surface;
084            this.parentID = parentID;
085            this.objectID = objectID;
086    
087            /*
088             * System.out.println( "new Appearance" ); Color3f specular = new Color3f( 0.7f, 0.7f, 0.7f );
089             * Color3f white = new Color3f( 0.4f, 1, 0.4f );
090             * 
091             * Material targetMaterial = new Material(); targetMaterial.setAmbientColor( white );
092             * targetMaterial.setDiffuseColor( white ); targetMaterial.setSpecularColor( specular );
093             * targetMaterial.setShininess( 75.0f ); targetMaterial.setLightingEnable( true );
094             * targetMaterial.setCapability( Material.ALLOW_COMPONENT_WRITE ); // ColoringAttributes ca =
095             * new ColoringAttributes(); ca.setShadeModel( ColoringAttributes.SHADE_GOURAUD ); //
096             * Appearance defaultAppearance = new Appearance(); defaultAppearance.setMaterial(
097             * targetMaterial ); defaultAppearance.setColoringAttributes( ca ); // PolygonAttributes
098             * targetPolyAttr = new PolygonAttributes(); targetPolyAttr.setCapability(
099             * PolygonAttributes.ALLOW_MODE_WRITE ); targetPolyAttr.setCapability(
100             * PolygonAttributes.ALLOW_NORMAL_FLIP_WRITE ); targetPolyAttr.setPolygonMode(
101             * PolygonAttributes.POLYGON_FILL ); targetPolyAttr.setCullFace( PolygonAttributes.CULL_NONE ); //
102             * pa.setPolygonMode( PolygonAttributes.POLYGON_LINE );
103             * defaultAppearance.setPolygonAttributes( targetPolyAttr ); setAppearance(
104             * defaultAppearance );
105             */
106        }
107    
108        /**
109         * @return the ID of the Object this Surface is a part of (e.g. the building id if this is a
110         *         wall)
111         */
112        public String getParentID() {
113            return parentID;
114        }
115    
116        /**
117         * @return the objectID value.
118         */
119        public String getObjectID() {
120            return objectID;
121        }
122    
123        /**
124         * @return a String composited of the parentID and "_" and the objectID
125         */
126        public String getDefaultSurfaceID() {
127            return parentID + '_' + objectID;
128        }
129    
130        /**
131         * 
132         * @return the surface geometry encapsulated
133         */
134        public Surface getSurfaceGeometry() {
135            return surface;
136        }
137    
138        /**
139         * this method must be called before adding the surface to a Group
140         */
141        public void compile() {
142    
143            GeometryInfo geometryInfo = new GeometryInfo( GeometryInfo.POLYGON_ARRAY );
144    
145            Position[] pos = surface.getSurfaceBoundary().getExteriorRing().getPositions();
146            Ring[] innerRings = surface.getSurfaceBoundary().getInteriorRings();
147            int k = 1;
148            int l = 3 * ( pos.length   );
149            if ( innerRings != null ) {
150                for ( int i = 0; i < innerRings.length; i++ ) {
151                    k++;
152                    l += ( 3 * innerRings[i].getPositions().length );
153                }
154            }
155    
156            float[] coords = new float[l];
157            int contourCounts[] = { k };
158            int[] stripCounts = new int[k];
159            k = 0;
160            stripCounts[k++] = pos.length;
161    
162            int z = 0;
163            for ( int i = 0; i < pos.length; i++ ) {
164                coords[z++] = (float) pos[i].getX();
165                coords[z++] = (float) pos[i].getY();
166                coords[z++] = (float) pos[i].getZ();
167            }
168    
169            if ( innerRings != null ) {
170                for ( int j = 0; j < innerRings.length; j++ ) {
171                    pos = innerRings[j].getPositions();
172                    stripCounts[k++] = pos.length;
173                    for ( int i = 0; i < pos.length; i++ ) {
174                        coords[z++] = (float) pos[i].getX();
175                        coords[z++] = (float) pos[i].getY();
176                        coords[z++] = (float) pos[i].getZ();
177                    }
178                }
179            }
180    
181            geometryInfo.setCoordinates( coords );
182            geometryInfo.setStripCounts( stripCounts );
183            geometryInfo.setContourCounts( contourCounts );
184    
185            NormalGenerator ng = new NormalGenerator();
186            ng.generateNormals( geometryInfo );
187    
188            setGeometry( geometryInfo.getGeometryArray() );
189    
190            setAppearanceOverrideEnable( true );
191            // setAppearance( getAppearance() );
192        }
193    
194        /**
195         * @return a String representation of all the geometries inside this surface
196         */
197        public String getGeometryAsString() {
198            StringBuffer sb = new StringBuffer( numGeometries() );
199            for ( int i = 0; i < numGeometries(); ++i ) {
200                Geometry ga = getGeometry( i );
201                sb.append( ga.toString() );
202            }
203            return sb.toString();
204        }
205    }