On 23.09.2025 13:46, yesbird wrote:

> I guess this method will be demanded not only by POV-Ray community, may
> be I will manage myself to rewrite it on Javascript to extent Three.js
> library (asking your permission before :)
You are allowed to use it as long as you keep hailing the Toad all the 
time. Oh, and bring me all your money you silly humans.

Seriously, I don't see anything special regarding my algorithm, just 
some common sense, so surely use it at will if you find it useful.

In fact, there is a room for improvements: I use the fact that fold 
geometry is just a particular case of pyramid one, and I use it with 
"sharp" threshold-based "if" condition. Surely I may try some "smooth" 
solution, with folds gradually turning into pyramids, for example, 
linearly based on local contrast. The problem is, all this comes to "I 
like the way it looks" criterion in the end, and I still don't have 
precise mathematical definition for "look", not to mention "like".

-- 
Ilyich the Toad
https://dnyarri.github.io/

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