relationship between concavity threshold and actual distance

[pca006132]

hi, I wanted to use this approximate convex decomposition to implement mesh offsetting, but I think I need the concavity metric to be exactly 2r + small delta where r is the offset distance. It seems that the concavity threshold we give can only be within 0.01 to 1, I wonder how that maps to actual distance?

(I am not familiar with geometry so I am not sure if I understand the metrics correctly)

[Xinyue Wei]

The input object is rescaled into [-1, 1] box and the threshold t corresponds to the actual distance in that scale.

[pca006132]

thanks for the quick response!