clipka <ano### [at] anonymousorg> wrote:
> Am 04.09.2010 01:50, schrieb Darats:
>
> >> - Are you using "assumed_gamma" in the scene? If so, what is it set to?
> >
> > I use an assumed gamma of 1.2 on my 3.6 scene, so the same value in 3.7 is much
> > darker, if I add #version 3.6 it is much better but the colors look more "grey"
> > as I explained before.
>
> Ah, yes, we have a problem here:
>
> With POV-Ray 3.7, only the assumed_gamma values of 1.0 or 2.2 work as
> previously, even when a #version 3.6 statement is present.
>
>
> Try using "assumed_gamma 1.0" in the scene, and setting the
> "Display_Gamma" and "File_Gamma" INI file options to 1.8333 (=2.2/1.2);
> I'm not perfectly sure, but I /think/ this might do the trick. Make sure
> to /not/ use PNG, HDR or EXR as output file format though, as those are
> too smart file formats and won't be fooled by this kind of hack.
>

Perfect, now I have the same results as 3.6 but with the ulti-threading of 3.7.

Thanks a lot for your help !

>
> >> - Are you using image-based textures in the scene?
> >
> > No it is just colored materials for the objects but I have a HDR image as a
> > sky_sphere
>
> HDR images are "gamma-safe", you can't do anything wrong there.

Post a reply to this message