[vtkusers] where are the texture coordinates stored after I read a .wrl file?

[Giff]

Dear all,

I am using vtkVRMLImporter (with success) to read a .wrl file and populate a
vtkPolyData object. Then, I can also save the geometry as a .obj file, using
vtkOBJExporter.
I noticed that the texture coordinates present in the .wrl file are
correctly inserted in the new .obj file, the thing is that I cannot figure
out where they are stored in the meantime. Indeed, I would like to use them!
Can anybody point out for me where and what I should be looking for?

Thanks a lot,
G
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