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WIP: Common laplacians

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Open Valentin Nigolian requested to merge common-laplacians into v2.2 Jul 28, 2020
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Implemented an interface to compute per-vertex Laplacians. Currently there are two types of laplacians:

  • Uniform Laplacian (all 1-weighted edges)
  • Dual Laplacian (as described in the following paper: https://igl.ethz.ch/projects/LB3D/)

They share the same template-based interface which can be extended to other Laplacians.

Additionally, laplacians can either be computed at the construction of the laplacian class, or on a per-request basis.

The edge weights can also be accessed individually (to fill a Laplacian matrix for instance)

Edited Jul 29, 2020 by Martin Heistermann
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Source branch: common-laplacians