[Bf-cycles] How to turn on MIS in cycles_standalone?

Brecht Van Lommel brechtvanlommel at pandora.be
Thu May 1 14:24:27 CEST 2014

It seems the standalone XML format has no support for this option
currently. It's incomplete still, mainly useful for developers to test,
though anyone is welcome to contribute improvements to it.
On Apr 30, 2014 2:23 AM, "Zhanpeng Feng" <jumpjump88 at hotmail.com> wrote:

> I am using cycles_standalone to render an interior scene with an emission
> plane from outside. After 2000 samples the walls and ceiling are still very
> noisy. I rendered the exact same scene in Blender GUI and the walls and
> ceiling start getting pretty smooth after a couple hundred samples. This
> seems to me that the MIS is turned off in the cycles_standalone render,
> because if I check off MIS in the emission plane in Blender GUI I can
> produce a similar noisy image.
> I stepped into the cycles_standalone code and I found that the use_mis
> boolean is set to true for all shaders though. So I am a little confused
> about what is going on here? I appreciate anyone's help.
> Thanks,
> Feng
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> Bf-cycles at blender.org
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