For caustics you might be better off using standard POV-Ray, as photon 
mapping is implemented very well. Then you could add dispersion to really 
make the glass sparkle.


"clipka" <nomail@nomail> wrote in message 
news:web.49a7f07e336c2d8d8d0daedf0@news.povray.org...
> "triple_r" <nomail@nomail> wrote:
>> Are you sure you want a portal for the glass?
>
> No, I'm not sure about anything regarding MCPov ;)
>
> The web page states that a portal is good if you want good caustics, and I 
> do
> want good caustics...
>
> Maybe I need a proper definition of "good" though...
>
> Another thought though: Without the portal I had the same problem with the 
> glass
> not looking properly transparent to begin with, and then MCPov collecting 
> bright
> dots to make up for it. Which is not the most performant way to get a good 
> shot
> I guess, so maybe I *do* want the portal.
>
>

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