Am 08.08.2022 um 14:49 schrieb Thomas de Groot:
> I was happy to read the instructions for a version 3.8 glass material, 
> provided by Alain Martel
> 
>
https://news.povray.org/povray.general/thread/%3Cweb.62e942de1adc8eb48a3c0aee5cc1b6e%40news.povray.org%3E/

> 
> 
> and wanted to try them out myself. This is the result. The different 
> variations include air bubbles and the albedo keyword in the cylinder, a 
> scattering media inside the ovus, and appropriate fade_color and 
> fade_distance for the different objects. The background is a hdr map, 
> and a single additional point light are completing the setup.
> 
> A big thanks to Alain! This is an excellent starting ground for quality 
> glass material indeed.
> 

Very nice, indeed. Seems I should take a look into the general 
discussion occasionally. IMO there is a small drawback. The "caustics" 
at the table did not correspond to the light sources within the HDRI 
image. But I'm nitpicking ...

Best regards,
Michael

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