[vtkusers] vtkRecursiveSphereDirectionEncoder

[Mathieu Malaterre]

Hi everybody,
 does anyone ever use vtkRecursiveSphereDirectionEncoder ? I want to do
a directional gradient on my image, so I used
vtkFiniteDifferenceGradientEstimator. But top pass a direction I need to
use vtkDirectionEncoder. And there is no Set* method in
vtkDirectionEncoder.
Any help welcome
mathieu
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