[vtkusers] place arrows equally spaced along streamlines

[Dan Lipsa]

Hi all,
I would like to place arrow glyphs equally spaced along streamlines. I am
using vtkStreamTracer.
The only way I see to do this is to add an option to vtkStreamTracer to
compute the distance from the seed and add this as a point data to the the
streamline. Than, I can use contour to get the points where I need to place
the arrows.

Is there any other simpler way? Do you have any suggestions with this?

Thanks,
Dan
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