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[James Avery <question144411@xxxxxxxxxxxxxxxxxxxxx>]

New question #144411 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/144411

Dear all,

For refinement reasons, I need to compute the distances from each cell in the mesh to each of a number of points. 

Ideally, I would like:

 cell.distance(point) = 0 iff point is contained in the cell or on the border, and
 cell.distance(point) = min{ dist(x,point) | x \in cell }, that is the smallest distance to the nearest face, if point is outside the cell.

I have not been able to find this functionality in the documentation; is there a quick and easy way to do this? In theory, I can write this myself for tetrahedra, but it gets a bit messy, and I don't want to reinvent the deep plate, if the functionality or part of it already exists.

Thanks very much in advance!


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