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Find distance along surface?

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Since there is the new biharmonic capture in H16, is it possible to compute biharmonic distance from any point on a surface ?

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It computes biharmonic weights directly so probably not. Having said that, you'd likely get the same shape of the biharmonic distance function though although I haven't tried to see if you get any sensible results if you only give a single constraint point of all ones.

EDIT: Actually, scratch that. The node enforces weight normalization (across captured influences) so if you only give a single constraint point, it will just produce a weight of 1 everywhere.

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it wouldn´t be too hard to implement but if you need the actual distance along a mesh it´s most probably the geodesic distance what you want. the advantage of using biharmonic distance is that it´s rather smooth but not necessarily exact ...

petz

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