[vtkusers] vtkRecursiveSphereDirectionEncoder

Lisa Avila lisa.avila at kitware.com
Mon Apr 29 11:45:43 EDT 2002


Hello Mathieu,

Those classes are used by some volume mappers to estimate gradients in the 
volume and store them in an encoded format (2 bytes for direction, 1 for 
magnitude). These classes are not meant for general purpose use.

Lisa

At 04:25 PM 4/26/2002, Mathieu Malaterre wrote:
>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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