[Radiance-general] Mark Stock's work on rendering large models w/o ambient cache

[Mark Stock]

Lars,

I don't have enough experience to comment on the usefulness of 
your proposed method, I can only say that I used the method on 
single large images (I'm up to 36,000x36,000 now). My main goal 
was to prevent any caching of ambient points due to memory 
limits.

Mark

On Wed, 8 Feb 2006, Lars Grobe wrote:

> Hi,
>
> Mark did some work on how to get nice results without ambient 
> cache (afaik he uses -aa .00 -d 6 -ps 1 and downsamples /4 in 
> pfilt). I tried the same on a very large model, but rendering 
> is slow now because the different views can't share ambient 
> data. So my suggestion is to keep low -ad and downsample as 
> proposed, but cache the fewer ambient values in an ambient file 
> using a moderate -aa. Any comments? I wondered why this was not 
> mentioned in the studies, am I completely wrong or is it 
> because he simply did not have to reuse the ambient values (in 
> a comparision with different ambient settings, that would be a 
> bad idea ;-)?
>
> TIA+CU Lars.
>
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