> Rerendered at 800x600 with slightly improved lighting.
> 
> Sorry for starting a new thread but Thunderbird insisted on
> sorting my original "Rainbow" post into a thread from 2008
> using the same title.
> 
> While testing I also had the curious effect that I got additional
> caustics from the glass when *removing* the window pane. I really don't
> quite understand how this can affect anything, the window pane uses
> photons {pass_through refraction off reflection off collect off}.
> The water glass is the only photon target in the scene.
> 
> 
> ------------------------------------------------------------------------
> 
It could be a max_trace_level isue. Try adding 2 to it and use the glass 
pane.



Alain

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