[vtkusers] Assiging attributes to vtk polydata

[Chiranjib Sur]

Hi All,
Once I generate the vtkpolydata, how do I assign any particular attributes
(say of type scaler and named as "density") to the dataset.

I looked into the examples using vtkAssignAttribute (
http://www.vtk.org/doc/nightly/html/classvtkAssignAttribute.html)

Can anyone please explain what does this statement means from the page :

aa->Assign("foo", vtkDataSetAttributes::SCALARS,
           vtkAssignAttribute::POINT_DATA);


Once the point attributes are assigned, does it mean that each point data
will contain the information of the attributes in the vtk (.vtp) file ?

Thanks much.

Chiranjib
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