[vtkusers] problems with GetCellNeighbors

[John Biddiscombe]

Do you have to call BuildLinks first?

Can't remember...

JB


Dominik Szczerba wrote:
> Hi,
> 
> The following code retrieves cell points, but not cell neighbours, what
> is wrong?
> 
>   vtkUnstructuredGrid* grid;
>   //...
>   for(int id=0; id<NCELLS; id++){
> 	 vtkIdList* points = vtkIdList::New();
> 	 vtkIdList* cells = vtkIdList::New();
> 	 grid->GetCellPoints(id,points);
> 	 grid->GetCellNeighbors(id,points,cells);
> 	 int np = points->GetNumberOfIds();
> 	 int nc = cells->GetNumberOfIds();
> 	 cerr << nc << endl;// always 0
> 	 points->Delete();
> 	 cells->Delete();
>   }
> 
> thanks,
> Dominik
> 


-- 
John Biddiscombe,                            email:biddisco @ cscs.ch
http://www.cscs.ch/about/BJohn.php
CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82