[Bf-vfx] Re: tracker constraints and camera reconstruction...

[Sebastian König]

Hey all!
Interesting discussion!
I agree with David, from a user point of view I think it would be nice to be able to add constraints on both ends, but mainly in the movieclip editor. 
One of the main problems with solving is that the solver sometimes messes up front and back, especially when doing object tracks. In these cases I just wish to be able to quickly tell blender that some tracks rather front, some rather back. I suppose just 2 markers might be enough to help the solver, one front, one back. Maybe even assignable with a hotkey or so. Or with a weight range. 
Other constraints like assign markers to a certain supposed plane is also vey welcome of course. All that could happen in the reconstruction mode. There is still plenty of space, UI wise, and it would also fit concept wise.

Cheers,
Sebastian


On 18. August 2013 at 04:39:02, David Jeske (davidj at gmail.com) wrote:

On Sat, Aug 17, 2013 at 3:39 PM, Francesco Callari <fgcallari at gmail.com> wrote:
It is conceptually quite easy, and in fact the easiest implementation is the most general one: a scene graph solver.

Thanks for the detailed writeup. Reading that, I think expressing the solver constraints which are most useful may be easier to work with using a hybrid approach. For example, it seems much easier (from a user-UI perspective) to bundle a bunch of trackers and say they are on a plane, or express a constraint about which is closer to the camera -- without involving the 3d scene graph.
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