algorithmic modeling for Rhino
How do I get the normal of a surface?
Hi, suppose I have a couple of surfaces and I want their normals, how do I do this the easiest way?
I can of course offset all surfaces, decompose them to get their points, and then create vectors between the points of the origin surface and the offseted one. But isn't there an easier way?
I can of course offset all surfaces, decompose them to get their points, and then create vectors between the points of the origin surface and the offseted one. But isn't there an easier way?
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Replies to This Discussion
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Permalink Reply by Nick Bruscia on
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The SDivide (Divide Surface) component will give you the normals at the division points.
If you want to visualize them as lines for instance, use can use the Line SDL component, using the division points as the start point, and the normal vectors (N) as the direction.
sometimes you have to flip the direction by reversing the vector -
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