Actually I think we are both wrong. I was just playing with a camera from the 3d scene with depth and it needs to be distance to match. 1/z gives you the reversed coming out of a little window look.
-deke On Wednesday, December 4, 2013, Ivan Busquets wrote: > I don't think that's right, Deke. > > DepthToPoints expects 1/z by default, not a normalized input. > Same as the output from ScanlineRender. > > The tootip of the "invert depth" knob states that as well: > > "Invert the depth before processing. Useful if the depth is z instead of > the expected 1/z" > > > > On Wed, Dec 4, 2013 at 2:45 PM, Deke Kincaid <[email protected]>wrote: > > 1 is near though there is an invert depth option in depth to points. > > >>Am I wrong? > > Nuke is 32 bit floating point so it shouldn't matter that much as long as > the original image was a float. Precision would only matter if you were > working in a 8/16 bit int box. > > -deke > > On Wednesday, December 4, 2013, Ron Ganbar wrote: > > 0 is near? > > Normalised values aren't precise, though. They're very subjective to what > was decided in the render. It won't create a very precise point cloud. > Am I wrong? > > > > Ron Ganbar > email: [email protected] > tel: +44 (0)7968 007 309 [UK] > +972 (0)54 255 9765 [Israel] > url: http://ronganbar.wordpress.com/ > > > On Wed, Dec 4, 2013 at 11:51 PM, Deke Kincaid <[email protected]>wrote: > > It's just looking for 0-1. You can do it with an expression node.... or Jack > has a handy J_Maths node in J_Ops which converts depth maps between > types really easily. > > -deke > > > On Wednesday, December 4, 2013, Ron Ganbar wrote: > > Hi all, > for DepthToPoints to work, what kind of depth do I need to feed into it? > 1/distance? distance? normalised? > And how do I convert what comes out of Maya's built in Mental Ray so it > will work? > > Thanks! > Ron Ganbar > email: [email protected] > tel: +44 (0)7968 007 309 [UK] > +972 (0)54 255 9765 [Israel] > url: http://ronganbar.wordpress.com/ > > > > -- > -- > Deke Kincaid > Creative Specialist > The Foundry > Skype: dekekincaid > Tel: (310) 399 4555 - Mobile: (310) 883 4313 > Web: www.thefoundry.co.uk > Email: [email protected] > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > > > -- > -- > Deke Kincaid > Creative Specialist > The Foundry > Skype: dekekincaid > Tel: > > -- -- Deke Kincaid Creative Specialist The Foundry Skype: dekekincaid Tel: (310) 399 4555 - Mobile: (310) 883 4313 Web: www.thefoundry.co.uk Email: [email protected]
_______________________________________________ Nuke-users mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
