You're right, those bubbles do make it look more transparent. I'd never 
thought of that! Though I think your bubbles could be much smaller, so 
they're a lot more subtle.

I like the idea of a test object but I think it needs to have some colours. 
To really test a lighting setup I'd want to see a sphere in each primary & 
secondary colour, so I can see which colours looks good in that scene. Or 
perhaps just a selection of different materials that you might use in your 
scenes.

-- 
Tek
http://evilsuperbrain.com

"Edouard Poor" <pov### [at] edouardinfo> wrote in message 
news:web.48a5f270f08864c3dbf7248f0@news.povray.org...
> Adding bubbles to my test object - which I think helps show off 
> transparent
> materials a bit better. The bubbles are using blob difference trick, which
> works pretty well - renders are a little slower, but not terribly so.
>
> This material is "recycled glass" (and has a slightly rough surface) , and 
> it
> lit from 100 lights generated from a homemade lightprobe.
>
> (As an aside, I used to think some peoples lightprobes weren't very well 
> made,
> but now that I've tried to do some myself, I'll never even think of 
> criticising
> anyone elses ever again...)
>
> Cheers,
> Edouard.
>

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