[Octave-patch-tracker] [patch #8951] Calculate vertexnormals for patch objects

[Pantxo Diribarne]

Follow-up Comment #19, patch #8951 (project octave):

Sorry Markus for such sparse answers. 

Counting parent axes light objects: did you try the attached approach
(overloading base::properties::adopt/remove_child for axes object should be
enough).

Algorithm for normals computation: you seam to have tested the accuracy of the
face normals more then ever I will so let's adopt your approach :-). Did you
solve the reverse sign as compared to ML normals?



(file #37312)
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