protected virtual AttributedNodeList process(AttributedNodeList input, FilterEnv env)
        {
            Node  result;

            if ( input.Count > 1 )
            {
            result = new osg.Group();
            for( AttributedNodeList.iterator i = input.begin(); i != input.end(); i++ )
            {
            osg.Node  node = i.get().getNode();
            if ( node != null)
            {
                if ( getEmbedAttributes() )
                    embedAttributes( node, i.get().getAttributes() );

                result.asGroup().addChild( node );
            }
            }
            }
            else if ( input.Count == 1 )
            {
            result = input[0].getNode();

            if ( getEmbedAttributes() )
            embedAttributes( result.get(), input[0].getAttributes() );
            }
            else
            {
            return new AttributedNodeList();
            }

            // if there are no drawables or external refs, toss it.
            if ( !GeomUtils.hasDrawables( result.get() ) )
            {
            return AttributedNodeList();
            }

            // NEXT create a XFORM if there's a localization matrix in the SRS. This will
            // prevent jittering due to loss of precision.
              SpatialReference  input_srs = env.getInputSRS();

            if ( env.getExtent().getArea() > 0 && !input_srs.getReferenceFrame().isIdentity() )
            {
            Vector3D centroid = new Vector3D( 0, 0, 0 );
            osg.Matrixd irf = input_srs.getInverseReferenceFrame();
            osg.Vec3d centroid_abs = centroid * irf;
            osg.MatrixTransform xform = new osg.MatrixTransform( irf );

            xform.addChild( result);
            result = xform;

            if ( getApplyClusterCulling() && input_srs.isGeocentric() )
            {
            Vector3D normal = centroid_abs;
            normal.normalize();

            //osg.BoundingSphere bs = result.computeBound(); // force it
            // radius = distance from centroid inside which to disable CC altogether:
            //float radius = bs.radius();
            //osg.Vec3d control_point = bs.center();

            Vector3D control_point = centroid_abs;
            GeoPoint env_cen = input_srs.transform( env.getCellExtent().getCentroid() );
            GeoPoint env_sw  = input_srs.transform( env.getCellExtent().getSouthwest() );
            float radius = (env_cen-env_sw).length();

            // dot product: 0 = orthogonal to normal, -1 = equal to normal
            float deviation = -radius/input_srs.getEllipsoid().getSemiMinorAxis();

            osg.ClusterCullingCallback ccc = new osg.ClusterCullingCallback();
            ccc.set( control_point, normal, deviation, radius );

            osg.Group cull_group = new osg.Group();
            cull_group.setCullCallback( ccc );
            cull_group.addChild( xform );
            result = cull_group;

            //osgGIS.notify(osg.NOTICE) << "CCC: radius = " << radius << ", deviation = " << deviation << std.endl;

            //if ( getDrawClusterCullingNormals() == true )
            //{
            //    //DRAW CLUSTER-CULLING NORMALS
            //    osg.Geode* geode = new osg.Geode();
            //    osg.Geometry* g = new osg.Geometry();
            //    osg.Vec3Array* v = new osg.Vec3Array(2);
            //    (*v)[0] = control_point; (*v)[1] = control_point + (normal*radius);
            //    g.setVertexArray( v );
            //    osg.Vec4Array* c = new osg.Vec4Array(1);
            //    (*c)[0] = osg.Vec4f( 0,1,0,1 );
            //    g.setColorArray( c );
            //    g.setColorBinding( osg.Geometry.BIND_OVERALL );
            //    g.addPrimitiveSet( new osg.DrawArrays( osg.PrimitiveSet.LINES, 0, 2 ) );
            //    geode.addDrawable( g );
            //    cull_group.addChild( geode );
            //}
            }
            }

            if ( getCullBackfaces() )
            {
            result.getOrCreateStateSet().setAttributeAndModes( new osg.CullFace(), osg.StateAttribute.ON );
            }

            if ( getDisableLighting() )
            {
            result.getOrCreateStateSet().setMode( GL_LIGHTING, osg.StateAttribute.OFF );
            }

            if ( getLineWidth() > 0.0f )
            {
            result.getOrCreateStateSet().setAttribute( new osg.LineWidth( line_width ), osg.StateAttribute.ON );
            }

            if ( getPointSize() > 0.0f )
            {
            osg.Point point = new osg.Point();
            point.setSize( point_size );
            result.getOrCreateStateSet().setAttribute( point, osg.StateAttribute.ON );
            }

            if ( getAlphaBlending() )
            {
            osg.BlendFunc blend_func = new osg.BlendFunc();
            //blend_func.setFunction( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
            result.getOrCreateStateSet().setAttributeAndModes( blend_func, osg.StateAttribute.ON );
            result.getOrCreateStateSet().setRenderingHint( osg.StateSet.TRANSPARENT_BIN );
            }

            if ( getRasterOverlayScript() )
            {
            ScriptResult r = env.getScriptEngine().run( getRasterOverlayScript(), env );
            if ( r.isValid() )
            {
            RasterResource* raster = env.getSession().getResources().getRaster( r.asString() );
            if ( raster )
            {
                osg.Image* image = NULL;

                std.stringstream builder;

                string cell_id = env.getProperties().getValue( "compiler.cell_id", "" );
                if ( cell_id.length() > 0 )
                {
                    builder << "r" << cell_id << ".jpg";
                }
                else
                {
                    double x = env.getExtent().getCentroid().x();
                    double y = env.getExtent().getCentroid().y();
                    builder << std.setprecision(10) << "r" << x << "x" << y << ".jpg";
                }

                if ( raster.applyToStateSet( result.getOrCreateStateSet(), env.getExtent(), getRasterOverlayMaxSize(), &image ) )
                {
                    // Add this as a skin resource so the compiler can properly localize and deploy it.
                    image.setFileName( builder.str() );

                    env.getResourceCache().addSkin( result.getOrCreateStateSet() );
                }
            }
            }
            else
            {
            env.getReport().error( r.asString() );
            }
            }

            if ( getOptimize() )
            {
            //osgGIS.notice() << "[BuildNodes] Optimizing..." << std.endl;

            osgUtil.Optimizer opt;
            int opt_mask =
            osgUtil.Optimizer.DEFAULT_OPTIMIZATIONS |
            osgUtil.Optimizer.MERGE_GEODES |
            osgUtil.Optimizer.TRISTRIP_GEOMETRY |
            osgUtil.Optimizer.SPATIALIZE_GROUPS;

            // disable texture atlases, since they mess with our shared skin resources and
            // don't work correctly during multi-threaded building
            opt_mask &= ~osgUtil.Optimizer.TEXTURE_ATLAS_BUILDER;

            // I've seen this crash the app when dealing with certain ProxyNodes.
            // TODO: investigate this later.
            opt_mask &= ~osgUtil.Optimizer.REMOVE_REDUNDANT_NODES;

            // integrate the optimizer hints:
            opt_mask |= env.getOptimizerHints().getIncludedOptions();
            opt_mask &= ~( env.getOptimizerHints().getExcludedOptions() );

            opt.optimize( result.get(), opt_mask );

            GeometryCleaner cleaner;
            cleaner.clean( result.get() );
            }

            AttributedNodeList output;
            output.push_back( new AttributedNode( result.get() ) );

            return output;
        }
示例#2
0
        protected virtual AttributedNodeList process(AttributedNodeList input, FilterEnv env)
        {
            Node result;

            if (input.Count > 1)
            {
                result = new osg.Group();
                for (AttributedNodeList.iterator i = input.begin(); i != input.end(); i++)
                {
                    osg.Node node = i.get().getNode();
                    if (node != null)
                    {
                        if (getEmbedAttributes())
                        {
                            embedAttributes(node, i.get().getAttributes());
                        }

                        result.asGroup().addChild(node);
                    }
                }
            }
            else if (input.Count == 1)
            {
                result = input[0].getNode();

                if (getEmbedAttributes())
                {
                    embedAttributes(result.get(), input[0].getAttributes());
                }
            }
            else
            {
                return(new AttributedNodeList());
            }

            // if there are no drawables or external refs, toss it.
            if (!GeomUtils.hasDrawables(result.get()))
            {
                return(AttributedNodeList());
            }

            // NEXT create a XFORM if there's a localization matrix in the SRS. This will
            // prevent jittering due to loss of precision.
            SpatialReference input_srs = env.getInputSRS();

            if (env.getExtent().getArea() > 0 && !input_srs.getReferenceFrame().isIdentity())
            {
                Vector3D            centroid     = new Vector3D(0, 0, 0);
                osg.Matrixd         irf          = input_srs.getInverseReferenceFrame();
                osg.Vec3d           centroid_abs = centroid * irf;
                osg.MatrixTransform xform        = new osg.MatrixTransform(irf);

                xform.addChild(result);
                result = xform;

                if (getApplyClusterCulling() && input_srs.isGeocentric())
                {
                    Vector3D normal = centroid_abs;
                    normal.normalize();

                    //osg.BoundingSphere bs = result.computeBound(); // force it
                    // radius = distance from centroid inside which to disable CC altogether:
                    //float radius = bs.radius();
                    //osg.Vec3d control_point = bs.center();

                    Vector3D control_point = centroid_abs;
                    GeoPoint env_cen       = input_srs.transform(env.getCellExtent().getCentroid());
                    GeoPoint env_sw        = input_srs.transform(env.getCellExtent().getSouthwest());
                    float    radius        = (env_cen - env_sw).length();

                    // dot product: 0 = orthogonal to normal, -1 = equal to normal
                    float deviation = -radius / input_srs.getEllipsoid().getSemiMinorAxis();

                    osg.ClusterCullingCallback ccc = new osg.ClusterCullingCallback();
                    ccc.set(control_point, normal, deviation, radius);

                    osg.Group cull_group = new osg.Group();
                    cull_group.setCullCallback(ccc);
                    cull_group.addChild(xform);
                    result = cull_group;


                    //osgGIS.notify(osg.NOTICE) << "CCC: radius = " << radius << ", deviation = " << deviation << std.endl;


                    //if ( getDrawClusterCullingNormals() == true )
                    //{
                    //    //DRAW CLUSTER-CULLING NORMALS
                    //    osg.Geode* geode = new osg.Geode();
                    //    osg.Geometry* g = new osg.Geometry();
                    //    osg.Vec3Array* v = new osg.Vec3Array(2);
                    //    (*v)[0] = control_point; (*v)[1] = control_point + (normal*radius);
                    //    g.setVertexArray( v );
                    //    osg.Vec4Array* c = new osg.Vec4Array(1);
                    //    (*c)[0] = osg.Vec4f( 0,1,0,1 );
                    //    g.setColorArray( c );
                    //    g.setColorBinding( osg.Geometry.BIND_OVERALL );
                    //    g.addPrimitiveSet( new osg.DrawArrays( osg.PrimitiveSet.LINES, 0, 2 ) );
                    //    geode.addDrawable( g );
                    //    cull_group.addChild( geode );
                    //}
                }
            }

            if (getCullBackfaces())
            {
                result.getOrCreateStateSet().setAttributeAndModes(new osg.CullFace(), osg.StateAttribute.ON);
            }

            if (getDisableLighting())
            {
                result.getOrCreateStateSet().setMode(GL_LIGHTING, osg.StateAttribute.OFF);
            }

            if (getLineWidth() > 0.0f)
            {
                result.getOrCreateStateSet().setAttribute(new osg.LineWidth(line_width), osg.StateAttribute.ON);
            }

            if (getPointSize() > 0.0f)
            {
                osg.Point point = new osg.Point();
                point.setSize(point_size);
                result.getOrCreateStateSet().setAttribute(point, osg.StateAttribute.ON);
            }

            if (getAlphaBlending())
            {
                osg.BlendFunc blend_func = new osg.BlendFunc();
                //blend_func.setFunction( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
                result.getOrCreateStateSet().setAttributeAndModes(blend_func, osg.StateAttribute.ON);
                result.getOrCreateStateSet().setRenderingHint(osg.StateSet.TRANSPARENT_BIN);
            }

            if (getRasterOverlayScript())
            {
                ScriptResult r = env.getScriptEngine().run(getRasterOverlayScript(), env);
                if (r.isValid())
                {
                    RasterResource *raster = env.getSession().getResources().getRaster(r.asString());
                    if (raster)
                    {
                        osg.Image *image = NULL;

                        std.stringstream builder;

                        string cell_id = env.getProperties().getValue("compiler.cell_id", "");
                        if (cell_id.length() > 0)
                        {
                            builder << "r" << cell_id << ".jpg";
                        }
                        else
                        {
                            double x = env.getExtent().getCentroid().x();
                            double y = env.getExtent().getCentroid().y();
                            builder << std.setprecision(10) << "r" << x << "x" << y << ".jpg";
                        }

                        if (raster.applyToStateSet(result.getOrCreateStateSet(), env.getExtent(), getRasterOverlayMaxSize(), &image))
                        {
                            // Add this as a skin resource so the compiler can properly localize and deploy it.
                            image.setFileName(builder.str());

                            env.getResourceCache().addSkin(result.getOrCreateStateSet());
                        }
                    }
                }
                else
                {
                    env.getReport().error(r.asString());
                }
            }

            if (getOptimize())
            {
                //osgGIS.notice() << "[BuildNodes] Optimizing..." << std.endl;

                osgUtil.Optimizer opt;
                int opt_mask =
                    osgUtil.Optimizer.DEFAULT_OPTIMIZATIONS |
                    osgUtil.Optimizer.MERGE_GEODES |
                    osgUtil.Optimizer.TRISTRIP_GEOMETRY |
                    osgUtil.Optimizer.SPATIALIZE_GROUPS;

                // disable texture atlases, since they mess with our shared skin resources and
                // don't work correctly during multi-threaded building
                opt_mask &= ~osgUtil.Optimizer.TEXTURE_ATLAS_BUILDER;

                // I've seen this crash the app when dealing with certain ProxyNodes.
                // TODO: investigate this later.
                opt_mask &= ~osgUtil.Optimizer.REMOVE_REDUNDANT_NODES;

                // integrate the optimizer hints:
                opt_mask |= env.getOptimizerHints().getIncludedOptions();
                opt_mask &= ~(env.getOptimizerHints().getExcludedOptions());

                opt.optimize(result.get(), opt_mask);

                GeometryCleaner cleaner;
                cleaner.clean(result.get());
            }

            AttributedNodeList output;

            output.push_back(new AttributedNode(result.get()));

            return(output);
        }