Model Builder can't edit pre-created meshes. PolyTools can!
On 1 March 2013 08:41, Rich Bobo <[email protected]> wrote: > 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 > > > > _______________________________________________ > 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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