[vtkusers] Extrude along a polyline

[Bill Lorensen]

John,

I don't think vtk has such a filter. You could make copy of your 2d
polydata at each point in the polyline. Then generate a ruled surface
between each pair of polydata's. The tricky part is to orient the
polydata properly. A recently added remote module computes the
FrenetSerretFrame along a line:
https://lorensen.github.io/VTKExamples/site/Cxx/Remote/FrenetSerretFrame/

The resulting frame could be used to align the polydata.

Just a half-baked idea,

Bill

On Tue, May 23, 2017 at 3:25 PM, John Platt <jcplatt at dsl.pipex.com> wrote:
> Hi,
>
> I would like to extrude some 2d polydata along a polyline. Something like
> vtkTubeFilter but not a circular section or vtkLinearExtrusionFilter applied
> to each line segment. Any suggestions or advice would be very much
> appreciated.
>
> Thanks,
>
> John.
>
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