protected virtual uint queueTasks(Profile profile, TaskManager task_man) { uint level = 0; foreach (MapLayerLevelOfDetail i in map_layer.getLevels()) { MapLayerLevelOfDetail level_def = i; string s = level.ToString(); FilterEnv cell_env = getSession().createFilterEnv(); cell_env.setExtent(map_layer.getAreaOfInterest()); //GeoExtent.infinite() ); cell_env.setTerrainNode(getTerrainNode()); cell_env.setTerrainSRS(getTerrainSRS()); foreach (Property prop in level_def.getEnvProperties()) { cell_env.setProperty(prop); } Task task = new CellCompiler(s, s, level_def.getFeatureLayer(), level_def.getFilterGraph(), level_def.getMinRange(), level_def.getMaxRange(), cell_env, null, null, null); task_man.queueTask(task); } return(level); }
protected void collectGeometryKeys(QuadMap qmap, QuadKeyList geom_keys) { // the starting LOD is the best fit the the cell size: uint top_lod = getTopLod(qmap, map_layer); foreach (MapLayerLevelOfDetail i in map_layer.getLevels()) { MapLayerLevelOfDetail level_def = i; uint lod = top_lod + level_def.getDepth(); // get the extent of tiles that we will build based on the AOI: uint cell_xmin, cell_ymin, cell_xmax, cell_ymax; qmap.getCells( map_layer.getAreaOfInterest(), lod, cell_xmin, cell_ymin, cell_xmax, cell_ymax); for (uint y = cell_ymin; y <= cell_ymax; y++) { for (uint x = cell_xmin; x <= cell_xmax; x++) { QuadKey key = new QuadKey(x, y, lod, qmap); for (uint k = 0; k < 4; k++) { geom_keys.push_back(key.createSubKey(k)); } } } } }
protected virtual void processCompletedTask(CellCompiler task) { if (task.getResult().isOK() && task.getResultNode()) { if (!lod.valid()) { lod = new osg.LOD(); } uint key = uint.Parse(task.getName()); MapLayerLevelOfDetail def = getLodForKey(key, getMapLayer()); if (def != null) { lod.addChild(task.getResultNode(), def.getMinRange(), def.getMaxRange()); } } }
protected Task createQuadKeyTask(QuadKey key) { // construct a filter environment template to use for all tasks: FilterEnv cell_env = getSession().createFilterEnv(); cell_env.setTerrainNode(getTerrainNode()); cell_env.setTerrainSRS(getTerrainSRS()); string abs_path = createAbsPathFromTemplate("g" + key.toString()); Task task = null; MapLayerLevelOfDetail def = getDefinition(key.createParentKey(), map_layer); if (def != null) { cell_env.setInputSRS(def.getFeatureLayer().getSRS()); cell_env.setExtent(map_layer.getAreaOfInterest().getSRS().transform(key.getExtent())); cell_env.setProperty(new Property("compiler.cell_id", key.toString())); foreach (Property i in def.getEnvProperties()) { cell_env.setProperty(i); } task = new CellCompiler( key.toString(), abs_path, def.getFeatureLayer(), def.getFilterGraph(), def.getMinRange(), def.getMaxRange(), cell_env, def.getResourcePackager() ? def.getResourcePackager() : resource_packager.get(), getArchive(), def.getUserData()); // osgGIS.info() // << "Task: Key = " << key.toString() << ", LOD = " << key.getLOD() << ", Extent = " << key.getExtent().toString() // << " (w=" << key.getExtent().getWidth() << ", h=" << key.getExtent().getHeight() << ")" // << std.endl; } return(task); }
protected virtual void buildIndex(Profile _profile, osg.Group scene_graph) { QuadTreeProfile profile = (QuadTreeProfile)_profile; if (profile == null) { return; } //osgGIS.notice() << "Rebuilding index..." << std.endl; // first, determine the SRS of the output scene graph so that we can // make pagedlod/lod centroids. SpatialReference output_srs = map_layer.getOutputSRS(getSession(), getTerrainSRS()); // first build the very top level. //scene_graph = new osg.Group(); // the starting LOD is the best fit the the cell size: uint top_lod = getTopLod(profile.getQuadMap(), map_layer); SmartReadCallback reader = new SmartReadCallback(); foreach (MapLayerLevelOfDetail i in map_layer.getLevels()) { MapLayerLevelOfDetail level_def = i; uint lod = top_lod + level_def.getDepth(); MapLayerLevelOfDetail sub_level_def = i + 1 != map_layer.getLevels().end() ? (i + 1).get() : null; float min_range, max_range; if (sub_level_def != null) { min_range = sub_level_def.getMinRange(); max_range = sub_level_def.getMaxRange(); } // get the extent of tiles that we will build based on the AOI: uint cell_xmin, cell_ymin, cell_xmax, cell_ymax; profile.getQuadMap().getCells( map_layer.getAreaOfInterest(), lod, cell_xmin, cell_ymin, cell_xmax, cell_ymax); for (uint y = cell_ymin; y <= cell_ymax; y++) { for (uint x = cell_xmin; x <= cell_xmax; x++) { osg.Node node; QuadKey key = new QuadKey(x, y, lod, profile.getQuadMap()); //osgGIS.notify( osg.NOTICE ) // << "Cell: " << std.endl // << " Quadkey = " << key.toString() << std.endl // << " LOD = " << key.getLOD() << std.endl // << " Extent = " << key.getExtent().toString() << " (w=" << key.getExtent().getWidth() << ", h=" << key.getExtent().getHeight() << ")" << std.endl // << std.endl; node = sub_level_def ? createIntermediateIndexNode(key, min_range, max_range, reader.get()) : createLeafIndexNode(key, reader); if (node.valid()) { string out_file = createAbsPathFromTemplate("i" + key.toString()); if (!osgDB.writeNodeFile(*(node.get()), out_file)) { // osgGIS.warn() << "FAILED to write index file " << out_file << std.endl; } // at the top level, assemble the root node if (i == map_layer.getLevels().begin()) { double top_min_range = sub_level_def != null ? 0 : level_def.getMinRange(); osg.PagedLOD plod = new osg.PagedLOD(); plod.setName(key.toString()); plod.setFileName(0, createRelPathFromTemplate("i" + key.toString())); plod.setRange(0, top_min_range, level_def.getMaxRange()); plod.setPriorityScale(0, MY_PRIORITY_SCALE); setCenterAndRadius(plod, key.getExtent(), reader.get()); //osgGIS.notice() << "QK=" << key.toString() << ", Ex=" << key.getExtent().toString() << ", Cen=" << key.getExtent().getCentroid().toString() << std.endl; scene_graph.addChild(plod); } } } } } }