Fixed crash with wron indices in obj importer

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@11430 383ad7c9-94d9-4d36-a494-682f7c89f535

Plugin-FileOBJ/OBJImporter.cc

@@ -237,8 +237,11 @@ void OBJImporter::addUsedVertices(){
     //add all vertices to the mesh
     std::set<VertexHandle>::iterator it;
 
+    // Clear the map of already existing vertices
+    vertexMapTri_.clear();
+
     for ( it=usedVertices_[ currentObject() ].begin() ; it != usedVertices_[ currentObject() ].end(); it++ ){
-  
+
       if ( *it >= (int)vertices_.size() ){
         std::cerr << "Error: Vertex ID too large" << std::endl;
         continue;
@@ -256,6 +259,9 @@ void OBJImporter::addUsedVertices(){
     //add all vertices to the mesh
     std::set<VertexHandle>::iterator it;
 
+    // Clear the map of already existing vertices
+    vertexMapPoly_.clear();
+
     for ( it=usedVertices_[ currentObject() ].begin() ; it != usedVertices_[ currentObject() ].end(); it++ ){
         
       if ( *it >= (int)vertices_.size() ){