//-------------------------------------------------------------------
vtkMPR3DDataViewer::~vtkMPR3DDataViewer()
{
- _outlineData-> Delete();
- _mapOutline-> Delete();
- _outline-> Delete();
+ if(_outlineData) {_outlineData-> Delete();}
+ if(_mapOutline) {_mapOutline-> Delete();}
+ if(_outline) {_outline-> Delete();}
// if (_bwLut) _bwLut->Delete();
// if (_hueLut) _hueLut->Delete();