On 13.04.2025 8:41, ingo wrote:
> For a future version of POV-Ray it would be nice to write meta information to
> the resulting image file.

So far, you can manually write tEXt to PNG. I personally use TweakPNG, 
as a result even a web preview for my POVThread contains full text for 
isosurface used as basic element - it's small but took a lot of time to 
tweak, so I just didn't want to loose the exact parameters ;-)

BTW this would not work with ident-based Python-like format discussed 
here: tEXt loses formatting but keeps braces ;-)

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

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