What is the use case of PMP over something like IGL [1]? IGL has a ridiculous number of implemented algorithms -- at this point the second a new paper comes out in the geometry processing community it gets implemented in IGL!
- A proper mesh data structure providing meaningful abstractions
- Support for general polygon meshes
- Support for dynamic connectivity updates
- Cross-compilation to JavaScript, allowing for web-based demos[1] and interactive HTML slides[2]
- Implementations of canonical algorithms as described in the standard textbook of the field (Polygon Mesh Processing[3])
[1] http://www.pmp-library.org/mpview.html