[vtkusers] Delete Cells from VtkPolydata

[prabhat246]

Hi all,
Well the filter provided in the following post worked for me.
                      
http://www.vtk.org/pipermail/vtkusers/2007-March/089835.html
I dont know how fast it is or if there is some other cheap way of doing
this. If there is then please let me know.

Now I have some other few questions
============================

1. Can I render triangles in realtime?? i.e. I want to display a triangle in
the Window as soon as it is generated. Is it possible ?? if yes then How??

2. What are the multithreading capabilities of VTK. Please point me if there
is available some good literature about it. I am very keen to know.

3. In what ways vtk can utilize the GPU?? Do I need something extra for it??
        I have read about Using Hardware Shaders in VTK.

Thanks a lot.

Regards,
Prabhat


prabhat246 wrote:
> 
> Hi,
> Thanks a lot for replying.
> But it is now working. Even when I do mc->output->GetNumberOfCells(); it
> shows same number then before deleting.
> 
> Regards,
> Prabhat
> 
> 
> Sebastien Valette wrote:
>> 
>> Hi,
>> 
>> maybe you should try:
>> 
>> mc->output->Modified();
>> 
>> before the call to Render()
>> 
>> 
>>>
>>> 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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> 

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