Non-monotonic surface slice

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Gonzalo Duró
Gonzalo Duró 2017-9-9
评论： Ben Drebing 2017-9-14
Dear all, Is there any way to manage a point cloud that represents a non-monotonic surface (more than one Z value per X,Y pair) in Matlab? Particularly, I need to be able to make 2D cross-sections, or in order words, to do an interpolation so that for a given plane I can 'slice' the surface and obtain a profile (a series of either X,Y or X,Y,Z points). Another possibility for me is to work directly with a triangular mesh. I would then need to import a .obj or .ply file and then slice it into profiles according to predefined planes. The key point here is that the surface is non-monotonic, so interpolating functions of the form z=f(x,y) cannot be applied. I will appreciate any help in this respect. Kind regards, Gonzalo

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