[Paraview] Creating cells

[Jerome Velut]

Hi,

GetCell(...) is intended for internal use (see the doxygen 
documentation) where loc is not the cell id, but an offset in the 
internal array. Using InitTraversal together with GetNextCell instead 
would be easier.

HTH
Jerome

On 12/12/2011 06:19 PM, Fred Fred wrote:
> Hello,
> I have been reading and reading this piece of code but cannot figure 
> out what is wrong!
> I create a couple of cells of 4 ids and get...anything but what is 
> expected.
> Please tell me where I am wrong!
>
>   vtkCellArray *faces = vtkCellArray::New();
>   vtkIdList *fIds = vtkIdList::New();
>   for (int i=0 ; i<faceIds.size() ; i++) {
>     for (int j=0 ; j<faceIds[i].size() ; j++)
>       fIds->InsertNextId(faceIds[i][j]);
>     faces->InsertNextCell(fIds);
>     printf("cell %d has %d ids\n", i, fIds->GetNumberOfIds());
>     fIds->Reset();
>   }
>   for (int i=0 ; i<faces->GetNumberOfCells() ; i++) {
>     vtkIdList *list = vtkIdList::New();
>     faces->GetCell(i, list);
>     printf("cell %d has %d ids\n", i, list->GetNumberOfIds());
>   }
>
> cell 0 has 4 ids
> cell 1 has 4 ids
> cell 2 has 4 ids
> cell 3 has 4 ids
> cell 4 has 4 ids
> cell 5 has 4 ids
> cell 6 has 4 ids
> cell 7 has 4 ids
> cell 8 has 4 ids
> cell 9 has 4 ids
> cell 10 has 4 ids
> cell 11 has 4 ids
> cell 12 has 4 ids
> cell 13 has 4 ids
> cell 14 has 4 ids
> cell 15 has 4 ids
> cell 16 has 4 ids
> cell 17 has 4 ids
> cell 18 has 4 ids
> cell 19 has 4 ids
>
> cell 0 has 4 ids
> cell 1 has 64 ids
> cell 2 has 71 ids
> cell 3 has 113 ids
> cell 4 has 120 ids
> cell 5 has 4 ids
> cell 6 has 63 ids
> cell 7 has 64 ids
> cell 8 has 112 ids
> cell 9 has 113 ids
> cell 10 has 4 ids
> cell 11 has 64 ids
> cell 12 has 63 ids
> cell 13 has 71 ids
> cell 14 has 70 ids
> cell 15 has 4 ids
> cell 16 has 71 ids
> cell 17 has 78 ids
> cell 18 has 120 ids
> cell 19 has 127 ids
>
>
>
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-- 
Jérôme Velut
R&D Engineer
Kitware SAS
26 rue Louis Guérin
69100 Villeurbanne, France
F: +33 (0)4.37.45.04.15
http://www.kitware.fr
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