*Hi all,* Just to follow up. I spoke with the folks at Imagineer and they said the issues with distortion maps were fixed in v4, but it's possible that exr's are still affected. Tiff's are being rendered correctly from Mocha Pro v4 at 32-bit and the aliasing problem has disappeared.
Cheers. On Tue, Mar 15, 2016 at 3:26 PM, Nick Guth <[email protected]> wrote: > I agree, it *should* be 32-bit, but I don't see that option inside of > Mocha and nuke is giving me 16-bit half-float metadata on those files. Time > to contact imagineer! > > On Mon, Mar 14, 2016 at 1:28 PM, Michael Clarke <[email protected]> > wrote: > >> 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 <[email protected]> >> 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 <[email protected]> >>> 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 <[email protected]> >>>> 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 <[email protected]> >>>>> 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 < >>>>>> <[email protected]>[email protected]> 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 < <[email protected]> >>>>>>> [email protected]> 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 < >>>>>>>> <[email protected]>[email protected]> >>>>>>>> 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" < <[email protected]> >>>>>>>>> [email protected]>: >>>>>>>>> >>>>>>>>>> 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 >>>>>>>>>> <[email protected]> >>>>>>>>>> [email protected], >>>>>>>>>> <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 >>>>>>>>> <[email protected]> >>>>>>>>> [email protected], >>>>>>>>> <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 >>>>>>>> [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 >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Nuke-users mailing [email protected], >>>>>> 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 >>>>>> [email protected], http://forums.thefoundry.co.uk/ >>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Nuke-users mailing [email protected], >>>>> 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 >>>>> [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 >>> >> >> >> >> -- >> Michael Clarke >> Owner | Dark Square FX >> www.darksquarefx.com >> Ph: (310) 779-2668 LA >> Ph (347) 603-0970 NY >> >> >> _______________________________________________ >> Nuke-users mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > > -- > Nick Guth > motion . composite . design > www.nickguth.com > -- Nick Guth motion . composite . design www.nickguth.com
_______________________________________________ Nuke-users mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
