Geodesic Heat Method
(by Mathwhittaker)
An Implementation of the Heat Method for finding geodesic distances on a Triangular mesh by Keenan Crane
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This Is a small plugin which Implements the Heat Method created by Keenan Crane. It contains three components :

Heat Distances - This component takes a clean Triangular mesh  and source point/points and then calculates each vertices geodesic distance along the surface.

Heat Isocurves - This component takes the same triangular mesh from Heat Distances, the Distance values which are outputted from Heat Distances and a value to specify the distance between iso curves and then returns the isocurves as polylines.

Mesh IsoSplit -  This component takes the same triangular mesh from Heat Distances, the Distance values which are outputted from Heat Distances and a value to specify the distance or width of each segment of the mesh and then returns each distance of the mesh as an individual mesh. This you can then use disjoint mesh to get individual meshes for each part 

This component uses the CGAL Library 

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