/*** Statics ********************************************************/ static bool getTerrainData(Terrain terrain, out osg.Node out_terrain_node, out SpatialReference out_terrain_srs, out GeoExtent out_terrain_extent) { if (terrain != null) { if (!string.IsNullOrEmpty(terrain.getURI())) { out_terrain_node = osgDB.readNodeFile(terrain.getAbsoluteURI()); } // first check for an explicity defined SRS: out_terrain_srs = terrain.getExplicitSRS(); if (out_terrain_srs != null && out_terrain_srs.isGeographic()) { // and make it geocentric if necessary.. out_terrain_srs = Registry.SRSFactory().createGeocentricSRS(out_terrain_srs.get()); } if (out_terrain_node != null) { // if the SRS wasn't explicit, try to read it from the scene graph: if (out_terrain_srs == null) { out_terrain_srs = Registry.SRSFactory().createSRSfromTerrain(out_terrain_node.get()); } //osgGIS.notice() // << "Loaded TERRAIN from \"" << terrain.getAbsoluteURI() << "\", SRS = " // << (out_terrain_srs != null? out_terrain_srs.getName() : "unknown") // << std.endl; } else if (!string.IsNullOrEmpty(terrain.getURI())) { //osgGIS.warn() // << "Unable to load data for terrain \"" // << terrain.getName() << "\"." // << std.endl; return false; } } out_terrain_extent = new GeoExtent(-180, -90, 180, 90, Registry.instance().getSRSFactory().createWGS84()); return true; }