Ok, i figured it out, if you set the user option to sidedness and value to
144 it sets all ray types to off, and 145 just the camera is on.

Sorry for the noise.

On Mon, Jan 16, 2017 at 3:03 PM, Ognjen Vukovic <ognj...@gmail.com> wrote:

> Quick one for the brains on here.
>
> Anyone know if mtoa has the sidedness parametar  like in sitoa? I see you
> can call the sidedness as a user option on a mesh but i cant figure out the
> byte value to have just camera rays on and all secondary rays off, or if
> its even possible....
>
>
> Cheers,
> Ogi.
>
> https://support.solidangle.com/display/AFMUG/User+
> Options?preview=/1081437/19399291/image2014-5-20%2013%3A30%3A42.png
>
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