Deke, I have been unable to get ModelBuilder to modify a mesh created by PointCloudGenerator. I sent an email to Support a little while ago with the object attached so they can see what's going on… Have you tried modifying a mesh created by PointCloudGenerator, yet? I can selected any type of elements or the entire object, but I get no transformation axes to manipulate whatever I've selected. If, however, I create a default shape in the same node - a cube, for instance - I have no problem modifying it. I'm wondering if the mesh that PointCloudGenerator creates is a particular type of geo structure that ModelBuilder is not programmed to handle…?
Rich On Feb 27, 2013, at 3:25 PM, Deke Kincaid <[email protected]> wrote: > You can plug the pointcloud or mesh generated by it into the geo input of the > ModelBuilder so you get roughly the same scale. > > ----- > Deke Kincaid > Creative Specialist > The Foundry > Mobile: (310) 883 4313 > Tel: (310) 399 4555 - Fax: (310) 450 4516 > > The Foundry Visionmongers Ltd. > Registered in England and Wales No: 4642027 > > > On Wed, Feb 27, 2013 at 12:20 PM, Rich Bobo <[email protected]> wrote: > Marten, > > Thanks for the reply! I was afraid of that. Oh, well… ;^) And, thanks for > the link to Polytools - I'll definitely check them out! The first thing I > plan to try, though, is to see how much luck I have extending the mesh with > the new ModelBuilder node. I used it for a photo of a house that I wanted to > model and re-project and it worked pretty well. This may be a bit more > challenging, since the glacier and rocks have a ton of craggy detail, but > maybe I can cheat (a lot)! ;^) > > Thanks, > Rich > > > On Feb 27, 2013, at 2:48 PM, Marten Blumen <[email protected]> wrote: > >> Mesh edge clipping is normal - you can use GreyAngle's Polytools, PolyEdit >> to extend the edges. >> >> http://greyangle.com/nuke/docs/geometry/PolyEdit.htm >> >> >> On 28 February 2013 08:08, Rich Bobo <[email protected]> wrote: >> Hey all, >> >> I've finally had a chance to start messing around with the new >> PointCloudGenerator node. I'm hoping some of you with more experience in >> this area can help me with a couple of things that I don't quite understand… >> >> The main question I have deals with point coverage. I have a test clip I'm >> using that is shot from a boat, looking onshore at some glacial ice, with >> rocky mountains in the background. I can get a lovely CameraTrack, thanks to >> all of the available points to track. The parallax is good as the boat moves >> up and down and goes slowly past and around the glacier ice. In the >> PointCloud Generator, I've tracked points and get a pretty good lock with >> points on the foreground ice and on the background rocks. However, I do not >> get full coverage of points in the shot. For example, the foreground ice is >> truncated on the left hand side at the beginning of the shot (the boat moves >> from left to right across the scene, so the footage moves from right to >> left). Also, as the boat bobs up and down, it reveals more truncated points >> at the top. I never lose coverage on the right of the frame, however. I >> can't tell what's happening on the bottom of the frame, since I am masking >> out the water that is there. I'm guessing that the lack of coverage on the >> left probably has to do with the fact that there are no prior frames to look >> at for parallax reference. But, still, a regular camera track seems to have >> more coverage. I can't quite wrap my head around this. Can anyone explain it >> to me? And, is there a way to do the analysis to get greater point cloud >> coverage…? >> >> I watched the demo video that Steve Wright put together - >> https://vimeo.com/54931986 - and his mountains clip happens to be very >> similar to my test clip. Looking at his result, I can see that he is also >> getting the same sort of clipping - not getting complete coverage of his >> scene. So, maybe the rest has to be hand modeled after a mesh is generated? >> I mean, in order to do a projection on a mesh derived from the point cloud, >> you'd absolutely have to extend it. Is this always a manual process…? >> >> Thanks for any help! >> >> Rich >> >> >> Rich Bobo >> Senior VFX Compositor >> Armstrong-White >> http://armstrong-white.com/ >> >> Email: [email protected] >> Mobile: (248) 840-2665 >> Web: http://richbobo.com/ >> >> "I have long been of the opinion that if work were such a splendid thing the >> rich would have kept more of it for themselves." >> - Bruce Grocott (1940 - ) >> >> >> >> >> >> >> _______________________________________________ >> 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 > > _______________________________________________ > 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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