I see. I think. It’s from maya (which is Y up) and vray but I’ll just have to experiment
On Jan 1, 2014, at 8:34 PM, Frank Rueter <[email protected]> wrote: > Well, if you export from a "z up" system you might have to swap the green and > blue channels, and if you are importing from a left handed coordinate system > you will have to invert red I think. > > >>And point positions are worldspace, right? > Depends on what the shader is doing. They might be in camera space. > > > On 02/01/14 17:30, Gary Jaeger wrote: >> Thanks Frank. That’s what I figured but I couldn’t find a combination that >> worked right. It would be in invert, and not a swap, right? And point >> positions are worldspace, right? >> >> On Jan 1, 2014, at 7:49 PM, Frank Rueter <[email protected]> wrote: >> >>> That does sound like you need to munge the VRay normals. >>> I think that is exactly what I did in the past but it's been to long, I >>> can't remember the details. >>> >>> If up is down and left is right, it sounds like you just need to invert >>> your normals pass' red and green channels. >>> This could be caused by a z up vs y up coordinate system in your 3D setup >>> (i.e. 3dsMax) and a left vs right hand coordinate system. >>> >>> >>> >>> >>> >>> On 02/01/14 16:30, Gary Jaeger wrote: >>>> I’m experimenting with Relight. It’s cool, but it looks to me like >>>> something is reversed. If I put a light that I know should be upper right, >>>> the lower left gets illuminated. Maybe normals reversed or something? >>>> these are passes from vray. Anybody run into this? >>>> >>>> >>>> Gary Jaeger // Core Studio >>>> 249 Princeton Avenue >>>> Half Moon Bay, CA 94019 >>>> 650 728 7060 >>>> http://corestudio.com >>>> >>>> >>>> >>>> _______________________________________________ >>>> Nuke-users mailing list >>>> [email protected], http://forums.thefoundry.co.uk/ >>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>> >>> _______________________________________________ >>> Nuke-users mailing list >>> [email protected], http://forums.thefoundry.co.uk/ >>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> >> Gary Jaeger // Core Studio >> 249 Princeton Avenue >> Half Moon Bay, CA 94019 >> 650 728 7060 >> http://corestudio.com >> >> >> >> _______________________________________________ >> Nuke-users mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users Gary Jaeger // Core Studio 249 Princeton Avenue Half Moon Bay, CA 94019 650 728 7060 http://corestudio.com
_______________________________________________ Nuke-users mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
