Removed gridnode from core, added function to set glstate bounding box

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@10132 383ad7c9-94d9-4d36-a494-682f7c89f535

Core/Core.cc

@@ -150,10 +150,6 @@ Core() :
   
   // seperator handling the nodes for data
   dataRootNode_      = new ACG::SceneGraph::SeparatorNode(dataSeparatorNode_, "Data Root Node");
-  
-  
-//   gridNode_ = new ACG::SceneGraph::GridNode(core_nodes_,"Grid Node");
-//   gridNode_->hide();
 
    // Add ViewMode All
   ViewMode* vm = new ViewMode();

Core/Core.hh

@@ -107,7 +107,6 @@
 #include <OpenFlipper/Core/PluginInfo.hh>
 
 #include <ACG/Scenegraph/CoordsysNode.hh>
-#include <ACG/Scenegraph/GridNode.hh>
 
 #include <OpenFlipper/threads/JobInfo.hh>
 
@@ -766,9 +765,6 @@ private slots:
       /// Node for the coordinate system
       ACG::SceneGraph::CoordsysNode* coordsysNode_;
 
-      /// Node for the grid
-//       ACG::SceneGraph::GridNode* gridNode_;
-
    /** @} */
 
    //===========================================================================

widgets/glWidget/QtBaseViewer.cc

@@ -280,13 +280,24 @@ void glViewer::sceneGraph(ACG::SceneGraph::BaseNode* _root, const bool _resetTra
 
     if ( ( bbmin[0] > bbmax[0] ) ||
          ( bbmin[1] > bbmax[1] ) ||
-         ( bbmin[2] > bbmax[2] )   )
+         ( bbmin[2] > bbmax[2] )   ) {
+      
+      // Invalid bounding box, try to recover
       setScenePos( ACG::Vec3d( 0.0,0.0,0.0 ) , 1.0, _resetTrackBall );
-    else
+    
+      // Update bounding box to match the scene geometry after recovery
+      bbmin = ACG::Vec3d(-1.0,-1.0,-1.0);
+      bbmax = ACG::Vec3d( 1.0, 1.0, 1.0);
+    } else
       setScenePos( ( bbmin + bbmax )        * 0.5,
                    ( bbmax - bbmin ).norm() * 0.5,
                    _resetTrackBall);
+                   
+    // remember the new bounding box for the state
+    glstate_->set_bounding_box(bbmin,bbmax);
+    
   }
+  
 
   updateGL();