Kind Regards
Patrick Wong 077961 35224 www.wahwahdigital.com On 29 June 2015 at 06:10, Patrick Heinen <[email protected]> wrote: > Hey Pat, > > glad that you liked "HELP", I worked on it as a 2D TD and Compositor. In > our case we ended up comping a lot in Latlong space. It works for a lot of > cases and you get used to it pretty quickly. We also had tools that allowed > us to quickly check things in a rectilinear view(similiar to a cube face) > or move it from one image space to the other. > > Additionally we used quite a bit of projections which worked really well. > Yes shifting it around with a spherical transform is also an option we > used. Just keep in mind, that any transformation will most likely be a > filter hit, and therefore soften your plate. > > cheers, > Patrick > > On 28.06.2015, at 07:21, Pat Wong <[email protected]> wrote: > > > > > On 28 June 2015 at 15:04, Pat Wong <[email protected]> wrote: > >> Deke >> >> Thanks for the reply, yes ive seen these Videos before and whilst i >> believe the techniques in the video will work for most situations where the >> camera is locked off, Things tend to get a bit more complicated when the >> camera plate is moving and there are subjects in the shot, >> >> >> On 28 June 2015 at 01:26, Deke Kincaid <[email protected]> wrote: >> >>> Pat, to answer your question the workflow with the existing nuke tools >>> either: >> >> 1. breaking the latlong images into six packs with the sphericalTransform >>> node. Fix in cubic, then reconvert back to latlong. >> >> >> >> How do you deal with this if an object that needs to be removed travels >> along multiple packs. Logically i assume you'd just tile up the six packs >> and deal with it that way, But the image dimensions might end up >> potentially large... >> > > > Laying the cube maps into a horizontal cross pattern like this eg. > http://wiki.polycount.com/wiki/Cube_map > > objects crossing the seams from the UP cube diagonally to FRONT cube i can > see that as a potential problem, how would one deal with that? > > > > > > > > >> >> >> >> 2.mapping the latlong onto a sphere and then projecting images onto the >>> sphere to patch and fix images. >>> >>> >> >> Would projecting onto a sphere would result in a lack of parrallax? so >> im guessing you might need geo of the scene ideally? >> >> >> Pat >> >> >> >> >> >>> Frank Reuter did some videos 4 years ago showing some of these >>> workflows on making HDR's which is exactly the same as working with VR. >>> Also he has some nice stitching with cards videos in there. >>> >>> https://vimeo.com/album/2567386 >>> >>> On Saturday, June 27, 2015, Pat Wong <[email protected]> wrote: >>> >>>> Any of you Nukers on the forums like to share any tips or experiences >>>> for Comping in LatLong Space. >>>> >>>> Its a new exciting arena. One in which i just delving into...Ive just >>>> seen the google stories specifically 'HELP' with its comped 3d Lizard and >>>> it looked great. >>>> >>>> >>>> I've also seen the recent Nuke tech demo at NAB this year and can see >>>> the people are still developing techniques to how to actually use the more >>>> traditional 2D comp tricks in this LatLong distorted space. >>>> >>>> >>>> 1. Rig removals are a case in point, is the best way to do to tackle >>>> these spherical transform the rig into the less distrorted central region >>>> and then rotate it back to its orginal or is their a better way. If this >>>> region needs to be tracked.. how do you approach this? >>>> >>>> >>>> 2. stabilizing plates. whats the best approach? >>>> >>>> 3. The LatLong blue that the Foundry demo'd in the Blink Script was >>>> interesting as the blur strength was obviously stronger at different parts >>>> of of the distorted plate. >>>> >>>> This lead me to think could we somehow use a sphercial distortion map >>>> for all our nodes or a utilize a STMAP UV map in some way. >>>> >>>> >>>> It would be good to hear from other peoples experience with comping in >>>> his LatLong Space , on what TO DO and NOT TO DO. >>>> >>>> >>>> >>>> cheers >>>> >>>> pat wong >>>> >>>> >>>> >>> >>> -- >>> ----- >>> Deke Kincaid >>> M&E OEM Development Manager >>> The Foundry >>> Mobile: (310) 883 4313 >>> Tel: (310) 399 4555 - Fax: (310) 450 4516 >>> >>> _______________________________________________ >>> 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 list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
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