Revolve Surface Closest Point Problem

I am creating a revolve surface in grasshopper. Then i use the closest point command. Its seems like grasshopper has no idea what that surface is really like. The closest point always misses so obviously widely. It seems the surface doesn't have enough resolution. Is there any way to fix this.

Replies to This Discussion

Permalink Reply by Carl D'Apolito-Dworkin on June 3, 2015 at 6:02pm

Even when I bake revolve surfaces - I can't trim them or intersect them effectively in rhino - its like rhino has no idea where they are in space. I have to rebuild them.

Permalink Reply by Riccardo Majewski on June 4, 2015 at 12:40am

Post your definition with useful data internalized.

If you are using plug-ins , internalize data after it is processed by those plug-ins.

Hard to receive any help without pics or files...

(check your starting curve, explode it and study it, maybe it have duplicates curves....)

Permalink Reply by David Rutten on June 4, 2015 at 12:49am

If the revolve curve is not coplanar with the revolve axis Rhino does not handle it well. This is a known issue but I do not know when they'll fix it. This has been a long-standing issue for the people working on Sagrada Familia who like to create hyperboloids by revolving angled lines.

One possible solution is to either rebuild the surface or convert it to a nurbs-surface. There is no component for the latter in default GH.

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