[Paraview] specifying cell data

[Eric E. Monson]

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
> <nataliehapp at hotmail.com> 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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>
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> David E DeMarle
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