I would like to find the surface normal for a point on a 3D filled shape in Mathematica.
I know how to calculate the normal of a parametric surface using the cross product but this method will not work for a shape like
- Is there some sort of
RegionNormaloption? There is an option to find
VertexNormalshere, but this is something to with shading and seems unhelpful.
- Is there a method I can use to convert the region into a parametric expression and use the normal cross product method?
The plan is to take an arbitrary line and find the angle of intersection between the line and the surface of the shape.
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