[vtkusers] traversing a vtkPolyData

[Kent Eschenberg]

Luca Pamparana wrote:
> vtkPolyData * out = cutter->GetOutput();
> Now what I want to do is traverse this output and get all the vertices of
> all the polygons in this vtkPolyData.

 From the online documentation it looks like you would want this:

vtkCellArray* CA=out->GetPolys();
CA->InitTraversal();
vtkIdType npts;
vtkIdType *pts;
while( CA->GetNextCell(npts,pts) ) {
// do something with pts
}

Kent
Pittsburgh Supercomputing Center