[vtkusers] How to get color of contour lines generated by vtkContourFilter

[Jothybasu Selvaraj]

Hi all,

I am wondering how to get the color of the contour lines generated by the
vtkCOntourFilter. I think the coloring is maneaged by the vtkPolyDataMapper.

Is there any way to get the colo of each line?

Thnaks

Jothy
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