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Le 15-08-31 11:55, Mike Horvath a écrit :
> Do light sources in POV 3.7 use srgb or rgb? Do the colors need to be
> adjusted to the new system? For instance:
>
> light_source
> {
> -z * 40960
> <pow(light_color.red,2.2),pow(light_color.green,2.2),pow(light_color.blue,2.2)>
> rotate -x * 60
> rotate +y * 45
> parallel
> }
By default, they use rgb unless you explicitely use srgb.
light_source{Location rgb<1,0.5,0.4>} use the rgb colour space.
light_source{Location srgb<1,0.5,0.4>} use the srgb colour space.
Your sample don't translate from rgb to srgb but, instead, adjust for a
gamma of 2.2.
You should use assumed_gamma 1 in your global_settings section and set
display_gamma 2.2 in the master .ini file. Once it's done, you should
never need to perform that kind of gamma "magic" in your scenes.
By the way, rotate<-60, 45> or rotate<-60, 45, 0> will give you exactly
the same result as your pair of rotates.
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