[vtkusers] adding cells to unstructured grid don't show up

[Dominik Szczerba]

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You have to call grid->Modified() after inserting new cells.
- - Dominik

Bryn Lloyd wrote:
> Hi,
> 
> 
> I have a simple visualization pipeline:
> 
> first I create simple mesh, call it "grid", then I do:
> 
> grid->mapper->actor->render
> 
> 
> This works fine.
> But if I add cells to the mesh using a callback, these new cells are not 
> rendered. Why? I output the current number of cells, and they increase, 
> but this has no effect on the visualization.
> 
> 
> I got it to work by each time creating a new mapper. Is this necessary?
> 
> 
> Thanks
> Bryn
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- --
Dominik Szczerba, Ph.D.
Computational Physics Group
IT'IS Foundation for Research
http://www.itis.ethz.ch
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