Hey Natalie,
There are also a bunch of examples of building unstructured grids with
various types of cells if you follow the link for test code in the
doxygen page for vtkUnstructuredGrid (Tests).
http://www.vtk.org/doc/nightly/html/c2_vtk_t_17.html#c2_vtk_t_vtkUnstructuredGrid
-Eric
On Feb 25, 2009, at 9:11 AM, David E DeMarle wrote:
vtkIdType ptids[4];
ptids[0] = firstpointid;
ptids[1] = secondpointid;
ptids[2] = thirdpointid;
ptids[3] = fourthpointid;
vtkUnstructuredGrid *myUG = vtkUnstructuredGrid::SafeDownCast(
this->GetOutputDataObject(0));
myUG->InsertNextCell(VTK_QUAD, 4, ptids);
On Wed, Feb 25, 2009 at 5:58 AM, Natalie Happenhofer
<[email protected]> wrote:
Hi!
I´m writing a filter that has as output an Unstructured Grid. As
far as I
know, to specify that grid, I need to specify the points and the
cells. I´m
wondering how to specify the cells - I need quadrilaterals. How can I
specify them? I need a routine which lets me specify the points (4
in that
case) and then insert it into a vtkCellList, which I can assign to
the
output.
thx,
Natalie
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