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news:chsq2h$tje$1@chho.imagico.de...
> The memory use does not depend on the render size (except the line
> buffers which are not significant). So at least without display the
> large render will take the same amount of memory.
Not with radiosity (and perhaps photons, I didn't test).
Here is memory use for the scene below, with and without radiosity:
320 x 240 : 13 Mb (150 kb)
640 x 480 : 30 Mb (190 kb)
1600 x 1200 : 58 Mb (324 kb)
6400 x 4800 : 105 Mb (10 Mb)
Fortunately, the increase isn't proportional, but it's still important, and
this scene is minimal.
global_settings{
radiosity{error_bound 0.02 count 300 recursion_limit 1}
}
sky_sphere{pigment{rgb x*0.25+y*0.5}}
camera{
location <0, 4, -10>
direction 2.2*z
look_at 0
}
union{
sphere{y,1}
plane{-y,0}
rotate y*45
texture{pigment{rgb 1}finish{ambient 0 diffuse 1}}
}
G.
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