esg: esg/src/BVExplorer.cc Source File

00001 #include <esg/explorer/BVExplorer.h>
00002 #include <esg/Group.h>
00003 #include <esg/InspectorSDS.h>
00004 
00005 using namespace esg;
00006 
00007 bool BVExplorer::_iterate(SceneGraphObject& obj)
00008 {
00009     try {
00010         SDS * pSDS = dynamic_cast<Group&>(obj).getRepository();
00011         if (pSDS) {
00012             InspectorSDS * pInspector = pSDS->createInspector(_depth);
00013             if (pInspector) {
00014                 const Geometry* pGeom = pInspector->firstElement();
00015                 while (pGeom) {
00016                     if (_trStack.empty()) 
00017                         _boundingVolumes.append(pGeom->clone());
00018                     else
00019                         _boundingVolumes.append(pGeom->clone(_trStack.top()));
00020                     pGeom = pInspector->nextElement();
00021                 }
00022             }
00023         }
00024     } catch(bad_cast) {
00025         // not a group node
00026     }
00027 
00028     return Explorer::_iterate(obj);
00029 }
00030