"ZainAnak" <nomail@nomail> wrote in message 
news:web.42dc3438ea2831f43b6b98ba0@news.povray.org...
>
> I'm noticing, though, that there is a subtle element of glow I'm missing

Your question reminds me of what Samuel Benge had done a while back so I 
searched for his post at the web view of binaries.images and found it.

news:40D### [at] hotmailcom

Or at the web view for the whole thread:

http://news.povray.org/40DB67BE.1080608%40hotmail.com

Summed up, his idea was to use the rendering applied over itself but with 
darker parts transparent so only bright parts could be diffused into the 
picture. Not a one-step process, but did what I think you're asking about. 
Unless you only wanted to get better illumination like that seen in the top 
of that left archway of your linked-to image.

Other than that, maybe MegaPOV or another custom POV could do this sort of 
thing. I haven't used anything else but the official versions lately. 
Perhaps someone else might come along with suggestions anyway.

Bob Hughes

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