[vtkusers] Get number of cells

[Bernard Giroux]

Isidro Moreno a écrit :
> Hi! Here's the situation:
>  
> vtkLineSource *line->vtkLineSource::New();
> vtkPolyData *polydata->vtkPolyData::New();
> ...
> ...
> polydata=line->GetOutput();
> int nofc;
> nofc=polydata->GetNumberOfCells();
>  
> 1st) Why "GetNumberOfCells()" returns 0 ? ("line" it's just a straight 
> line).

Hi Isidoro,

Make sure you call line->Update() _before_ GetOutput()...


> 2st) polydata=line->GetOutput(): Is it the correct way to copy 
> vtkPolyData? I've tried ShallowCopy() and DeepCopy(), but nothing happened.
>  
> I'm using vtk 5.0, thanks everybody!!
> 
> 
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-- 
Bernard Giroux, ing., Ph.D.
Chercheur

http://geo.polymtl.ca/~giroux
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