You should use 32bit exr, that should solve your problem, I used to get that a lot when working with STMAPS, but once I started using exr at 32bit, life became much much better
On Wed, Feb 17, 2016 at 7:58 PM, Michael Garrett <michaeld...@gmail.com> wrote: > I forgot to add that in this scenario I would do a deep recolour with the > UV remapped image onto the deep opacity it was extracted from, and then I > get the transparency/AA back. > > On 17 February 2016 at 19:20, Michael Garrett <michaeld...@gmail.com> > wrote: > >> Thanks for bringing up deep UV maps again Frank. I am so looking forward >> to being able to do true deep camera projection with just a deep opacity >> image and Nuke camera as the input! >> >> I know some places have the tools, but as a workaround with some of the >> benefits, I've deep unpremulted the opacity out, flattened it then used a >> regular STMap node. This saves the need for an unfiltered data pass. Then I >> added the motion blur back in with VectorBlur, using the flattened deep >> opacity as my Zdepth source. >> >> >> >> On 17 February 2016 at 18:36, Frank Rueter|OHUfx <fr...@ohufx.com> wrote: >> >>> which isn't always possible. Think about a rotating head where the nose >>> occludes parts of the cheeks etc. >>> With the "flat" STMap you get nasty edges in those areas whereas a >>> DeepSTMap could solve that (with the right image data coming in). >>> >>> >>> On 18/02/16 12:34 pm, Ryan O'Phelan wrote: >>> >>> Wow, that would be a great solution. I suppose the alternative is to do >>> each object UV separately and then comp them after the STmap. >>> >>> R >>> >>> On Wed, Feb 17, 2016 at 6:24 PM, Frank Rueter|OHUfx <fr...@ohufx.com> >>> wrote: >>> >>>> Slightly OT but somewhat related (especially to Ryan's post): >>>> This is why a DeepUVMap node would be great. With that you can render >>>> deep ST maps from whatever software and have high quality STMap workflow in >>>> Nuke without any aliasing in areas where geo overlaps itself. >>>> >>>> >>>> >>>> On 18/02/16 12:15 pm, Ryan O'Phelan wrote: >>>> >>>> Maybe there's anti-aliasing on the edges? If we use UV maps, we make >>>> sure there is no filter when rendered, or you will get junk on the edges. >>>> >>>> On Wed, Feb 17, 2016 at 5:52 PM, Daniel Stein < >>>> <daniel.st...@thefoundry.co.uk>daniel.st...@thefoundry.co.uk> wrote: >>>> >>>>> What image format are you using? Mocha Pro will output 32-bit float >>>>> distortion maps as long as you write to a format that supports it. I know >>>>> Mocha supports tif/dpx for sure which would both work, I'd choose exr if >>>>> it >>>>> was available but haven't used Mocha in quite a while. >>>>> >>>>> The loss of precision at 16-bit may not seem like a big deal but it >>>>> nearly always causes artifacts. >>>>> >>>>> Ripped straight from Imagineer systems documentation: >>>>> >>>>> Distortion maps must be 32 bit floats, so TIF or DPX will be the best >>>>>> options >>>>>> >>>>> >>>>> On 17 February 2016 at 16:40, Nick Guth < <nick.g...@gmail.com> >>>>> nick.g...@gmail.com> wrote: >>>>> >>>>>> I've tried centering inside of mocha using it's 'calibrate center' >>>>>> method, but it didn't seem to affect the image. Offsetting in nuke does >>>>>> make it a tiny bit smoother, but I think that's because the image is >>>>>> being >>>>>> filtered by the transform. Hmm. >>>>>> >>>>>> On Wed, Feb 17, 2016 at 1:19 PM, Elias Ericsson Rydberg < >>>>>> <elias.ericsson.rydb...@gmail.com>elias.ericsson.rydb...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> 16-bit does have a few bits less of precision (pun intended), but I >>>>>>> wouldn't think it would cause aliasing. I haven't used mocha >>>>>>> extensively, >>>>>>> so I can only guess. It's not one of those cases where you have offset X >>>>>>> and Y by 0.5 pixels or something? >>>>>>> Den 17 feb 2016 8:49 em skrev "Nick Guth" < <nick.g...@gmail.com> >>>>>>> nick.g...@gmail.com>: >>>>>>> >>>>>>>> Mocha seems to kick out 16bit distortion maps and I don't see any >>>>>>>> options to up that 32bit. When I'm using the maps in nuke I get really >>>>>>>> hard >>>>>>>> aliased edges. Blurring the map 3 pixels seems to help a little. >>>>>>>> >>>>>>>> Anyone have luck with smooth transitions from mocha distortion maps? >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Nuke-users mailing list >>>>>>>> <Nuke-users@support.thefoundry.co.uk> >>>>>>>> Nuke-users@support.thefoundry.co.uk, >>>>>>>> <http://forums.thefoundry.co.uk/>http://forums.thefoundry.co.uk/ >>>>>>>> >>>>>>>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>>>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Nuke-users mailing list >>>>>>> <Nuke-users@support.thefoundry.co.uk> >>>>>>> Nuke-users@support.thefoundry.co.uk, >>>>>>> <http://forums.thefoundry.co.uk/>http://forums.thefoundry.co.uk/ >>>>>>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Nick Guth >>>>>> motion . composite . design >>>>>> www.nickguth.com >>>>>> >>>>>> _______________________________________________ >>>>>> Nuke-users mailing list >>>>>> Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Nuke-users mailing list >>>>> Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Nuke-users mailing listnuke-us...@support.thefoundry.co.uk, >>>> http://forums.thefoundry.co.uk/http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>> >>>> >>>> -- >>>> [image: ohufxLogo 50x50] <http://www.ohufx.com> *vfx compositing >>>> <http://ohufx.com/index.php/vfx-compositing> | workflow customisation and >>>> consulting <http://ohufx.com/index.php/vfx-customising> * >>>> >>>> _______________________________________________ >>>> Nuke-users mailing list >>>> Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>> >>> >>> >>> >>> _______________________________________________ >>> Nuke-users mailing listnuke-us...@support.thefoundry.co.uk, >>> http://forums.thefoundry.co.uk/http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>> >>> >>> -- >>> [image: ohufxLogo 50x50] <http://www.ohufx.com> *vfx compositing >>> <http://ohufx.com/index.php/vfx-compositing> | workflow customisation and >>> consulting <http://ohufx.com/index.php/vfx-customising> * >>> >>> _______________________________________________ >>> Nuke-users mailing list >>> Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>> >> >> > > _______________________________________________ > Nuke-users mailing list > Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > -- Michael Clarke Owner | Dark Square FX www.darksquarefx.com Ph: (310) 779-2668 LA Ph (347) 603-0970 NY
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