Triangulation using lunchbox on polygonal surface

I am trying to triangulate an irregular polygonal using Lunchbox but it gives me triangulations for a bounding rectangle. What should I do to enable triangulation only on the surface?

This Lunchbox component is using the U/V parametrization of the surface,
but you have a trimmed surface, and the U and V directions do not align with the boundaries.

If you connect your surface to a standard mesh component you can get a triangulation
Or do you mean you want triangles in a regular grid aligned with the surface directions, but then trimmed or adjusted somehow to meet the boundaries? If so, perhaps you can sketch the result you are after

I am trying for this kind of triangulation.

You can use Weaverbird's Loop Subdivision after the coarse triangulation, example here:

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Thanks for the prompt reply! I’ll surely check it and get back.

I get error when I click Polyline.TriangulateClosedPolyline


File not found

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You have made a customized python script to do such triangulation? I posted a screenshot of sketchup in which I subdivided the surface using sandbox tool.

Guess that pointed to the old API. Anywho attached the latest version I had on my system. You’ll need to subdivide the faces as individual meshes to preserve the hard edges of the coarse mesh. I don’t think Weaverbird has an input for this, maybe just unwelding the mesh is enough. (6.9 KB)

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