[vtkusers] can someone please explain to me when vtkFieldData should be used

[David Doria]

On Sat, Oct 15, 2011 at 10:03 PM, Yifei Li <yifli82 at gmail.com> wrote:
> Hi all,
> a vtkDataSet contain points and cells, and we can associate
> vtkPointData/vtkCellData with them.
> If I understand correctly, vtkFieldData is an array of arrays, I just don't
> know when it should be used.
> Thanks
> Yifei

Field data is for data that is not associated with either points or
cells, but rather the data set as a whole:

http://www.vtk.org/Wiki/VTK/Tutorials/DataStorage
http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/FieldData

David