[vtkusers] Delete Cells from VtkPolydata

[prabhat246]

Hi,

This time what I am trying to do is following. 

I have a polydata(output of MarchingCubes) and I have rendered it
successfully.
Now I want to delete certain cells from vtkpolydata and then I want to
update the renderer window.

for deletion of cell I am using

mc->output->RemoveCellReference(cellId);
mc->output->DeleteCell(cellId);

how can I update the polydata throughout the pipeline?? so that it could be
reflected on the renWin??

Thanks a lot.

Regards, 
Prabhat

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