}
        _lstPoints.clear();
 
+       _cntSplineX->RemoveAllPoints();
+       _cntSplineY->RemoveAllPoints();
+       _cntSplineZ->RemoveAllPoints();
+       
        _cntSplineX->Delete();
        _cntSplineY->Delete();
        _cntSplineZ->Delete();
 
        _pts = vtkPoints::New();
        _pts->SetNumberOfPoints(8);
+
        _pts->SetPoint(0, -1000 , -1000 , 0 );
-       _pts->SetPoint(1,  1000 , -1000 , 0     );
+       _pts->SetPoint(1,  1000 , -1000 , 0 );
        _pts->SetPoint(2,  1000 ,  1000 , 0 );
        _pts->SetPoint(3, -1000 ,  1000 , 0 );
        _pts->SetPoint(4, -1000 ,  1000 , 0 );
        _pts->SetPoint(5, -1000 ,  1000 , 0 );
        _pts->SetPoint(6, -1000 ,  1000 , 0 );
        _pts->SetPoint(7, -1000 ,  1000 , 0 );
-
+       
        vtkCellArray *lines = vtkCellArray::New();
        lines->InsertNextCell(17);
        lines->InsertCellPoint(0);
        _pd = vtkPolyData::New();
        _pd->SetPoints( _pts );
        _pd->SetLines( lines );
-       lines->Delete();  //do not delete lines ??
+//     lines->Delete();  //do not delete lines ??
 
        _pointVtkActor  =       vtkActor::New();
     _bboxMapper                =       vtkPolyDataMapper::New();
 
        _bboxMapper->SetInput(_pd);
-       _bboxMapper->ImmediateModeRenderingOn();
+//     _bboxMapper->ImmediateModeRenderingOn();
        _pointVtkActor->SetMapper(_bboxMapper);
-       _pointVtkActor->GetProperty()->BackfaceCullingOn();
+//     _pointVtkActor->GetProperty()->BackfaceCullingOn();
        UpdateColorActor();
-       _pd->ComputeBounds();
+//     _pd->ComputeBounds();
 
        return _pointVtkActor;
 }
                }
 
                _textActor->SetInput(resultText);
-
+               
                if (size>=1){
 
                        int i;
        manualViewPoint->SetSpacing(_spc);
 
        vtkActor *actor = manualViewPoint->CreateVtkPointActor();
-       _wxvtkbaseview->GetRenderer()->AddActor( actor );
+       _wxvtkbaseview->GetRenderer()->AddActor( actor );       
 }
 
 // ----------------------------------------------------------------------------