How to calculate a curvature of 3D isosurface?
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I have isosurface(X, Y, Z, W, level) in 3D and I would like to calculate its curvature. So far I was using the following code: https://nl.mathworks.com/matlabcentral/fileexchange/24937-curvature-calculations-on-triangular-3d-surface
This code (as well as other analogical codes that I saw on fileexchange) will take the triangulation of my surface as an input parameter (i.e., the mesh). But I was wondering maybe there is a simpler way to calculate the curvature of the surface since I have a smooth surface that has been already fitted into my triangulated point cloud?
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darova
2020 年 1 月 15 日
You can use surfnorm to extract normal vectors from surface
Choose close enough vectors to calculate curvature
Angle between vectors:
Distance between points: L
Curvature radius:
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