Good question, Say we have an environmental map in the form of an unwrapped image, (or a nuke 3D camera set to Sphere rather then Perspective) - and we want to apply that to the render which has a normals World pass. Though now that I think of it, it would have to take into account camera movement to draw new motion vectors... so- to answer your question, probably to simulate reflections?
Ok, upon further research, I'm going to look into this method here. http://www.nukepedia.com/gizmo-downloads/other/envrelight/ The trick will be to get the reflections to take the camera movement into account... perhaps this could work if a sphere camera is attached to the animated camera. Cheers, Jordan On Mon, Sep 19, 2011 at 12:09 PM, Hugh Macdonald <[email protected]>wrote: > Do you just want to use the normals directly to map the environment, or do > you want to simulate reflections (which require a new vector being > calculated) > > Hugh Macdonald > *n**vizible** – VISUAL EFFECTS > * > [email protected] > +44(0) 20 3167 3860 > +44(0) 7773 764 708 > > www.nvizible.com > > On 18 Sep 2011, at 23:43, Jordan Olson wrote: > > Hey guys! > Would you happen to know of any ways or setups which would allow you to > remap an environment map or 3D environment onto a CG prop using the camera > normals? > Cheers, > Jordan > _______________________________________________ > 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 >
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