[vtkusers] Triangulate surface points?

[Philip Fackler]

If someone could even definitively tell me "no, you can't do this" that
would be helpful.

Thanks,
Philip Fackler

On Wed, Mar 16, 2016 at 6:24 PM Philip Fackler <philip.fackler at gmail.com>
wrote:

> Is there a way to triangulate a set of surface points using vtk? I've
> looked around and everything I've found (vtk, cgal, pcl) only do a surface
> reconstruction which ends up generating its own points to triangulate. I
> want to actually use the points I have as the vertices of the
> triangulation. Along with the point locations, I have a lot of information
> available in my code that I could provide:
>
> Normal vector at each point
> Bounding segmented curve(s) (i.e., lists of edge cells indexing the list
> of surface points)
> A polydata representation of the surface (Note that the points I want to
> triangulate are distinct from the points involved in this)
>
> The only vtk utility that seems to come close to this is vtkDelaunay2D,
> but it's only useful if all the points can be mapped to a 2D plane. This
> isn't possible in general without a parametric surface, which is one bit of
> information I don't have.
>
> Thanks in advance for the help.
>
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