mirror of https://github.com/CGAL/cgal
1485d2825f
## Summary of Changes Avoid computing them when they are known. * Normals are only used for estimating the angle between neighbor faces. PCA is used to estimate the plane. * sorting should be reusing the triangulation of faces that is already done in regions (pass the internal map to `sort()` for exemple). PCA is also used here to estimate the flatness score of a face in its neighborhood * About sorting: I'm not sure it wouldn't be a better idea to simply sort using the area of the faces and ignore flatness of the neighborhood. ## Release Management * Affected package(s): `Shape_detection` * small feature: [Pass_face_normals_for_region_growing](https://cgalwiki.geometryfactory.com/CGAL/Members/wiki/Features/Small_Features/Pass_face_normals_for_region_growing) * Issue(s) solved (if any): |
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