yesbird wrote:

> and while looking for interesting ideas like pattern generation, I found
> this paper (attached), that might be a source for additional POV-Ray
> modules.

I've come across papers like this before, and have suggested doing similar
studies and experiments.

You'll probably enjoy:

https://news.povray.org/povray.binaries.images/thread/%3C5435dc14@news.povray.org%3E/

https://news.povray.org/povray.binaries.animations/thread/%3C5437a2da%241%40news.povray.org%3E/

One approach might be to use combinatiorics or L-systems to iteratively
construct non-trivial patterns from the available keywords in the hierarchy.

Set everything up, run an animation of 1-10k frames, and see what pops out.
Have POV-Ray export the list of settings/features/parameters as a .txt file or
..inc file of the exact texture it produces for that frame.

Then it would be easy to scroll through a list of thumbnail images and pick out
the ones that are interesting enough for further study and improvement.

Time-dependent patterns like reaction-diffusion hold really rich promise, but
would have to be evaluated individually to see at what time-point a "good"
pattern emerges.  It's also quite sensitive to initial values.

An archaeological approach might yield interesting results - have a bot scan for
pigments and textures and render 2D and 3D representations of them.  There's 30
years of stuff out there, especially the IRTC.

- BE

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