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Hi,

i am trying to make a mask based on the relative flatness of my mesh or relative curvature? i am not sure how to put it.

i have a rock with bumps everywhere obviously but you can clearly see areas where in general it is flat although there are small bumps, you can distinguish relatively flat surfaces by eye.

i tried generating the curvature map and then blurring it but the results are not that good. They are soft after the blur and not precise.

the other thing i tried is clustering by normal -6 clusters- for a box like projection if you will. but the problem with clustering is yuo have to decide the number of clusters.

i would prefer a threshold of normal similarity. thats what i will try to do next

 

 

 

Capture.JPG

Capture1.JPG

N_clusters.JPG

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here is curvature compared to a custom wrangle solution.

Almost there. The wrangle does almost what i want

Any other ideas?

wrangle.JPG

curvature.JPG

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curvature would be perfect if there was some kind of threshold. remapping curvature to 0-1 and ramping it doesn't change anything.

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