In article <39BFD14F.10320EA2@kivisalo.net>, Kari Kivisalo 
<kar### [at] kivisalonet> wrote:

> The photosim feature requires one additional camera parameter: 
> exposure_time.
> This will scale the maximum scene brightness along the transfer 
> curve. There could be an automatic feature to set the exposure time 
> by measuring the brigtness on certain spots on a scene just like in 
> the real cameras :) The scene would be rendered just once and stored 
> as floats and the photosim calculations would work on the float 
> values.

This would be better done as a post_process filter(since that is exactly 
what it is). You could probably implement it with the existing add, 
multiply, subtract, divide, and exponent filters.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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