- Replace set of booleans with menu, so now you'll simply be unable to choose
unsupported refine combination
- Some internal code cleanup and minor refactor
- Add support for refining the camera's intrinsic parameters
during a solve. Currently, refining supports only the following
combinations of intrinsic parameters:
f
f, cx, cy
f, cx, cy, k1, k2
f, k1
f, k1, k2
This is not the same as autocalibration, since the user must
still make a reasonable initial guess about the focal length and
other parameters, whereas true autocalibration would eliminate
the need for the user specify intrinsic parameters at all.
However, the solver works well with only rough guesses for the
focal length, so perhaps full autocalibation is not that
important.
Adding support for the last two combinations, (f, k1) and (f,
k1, k2) required changes to the library libmv depends on for
bundle adjustment, SSBA. These changes should get ported
upstream not just to libmv but to SSBA as well.
- Improved the region of convergence for bundle adjustment by
increasing the number of Levenberg-Marquardt iterations from 50
to 500. This way, the solver is able to crawl out of the bad
local minima it gets stuck in when changing from, for example,
bundling k1 and k2 to just k1 and resetting k2 to 0.
- Add several new region tracker implementations. A region tracker
is a libmv concept, which refers to tracking a template image
pattern through frames. The impact to end users is that tracking
should "just work better". I am reserving a more detailed
writeup, and maybe a paper, for later.
- Other libmv tweaks, such as detecting that a tracker is headed
outside of the image bounds.
This includes several changes made directly to the libmv extern
code rather expecting to get those changes through normal libmv
channels, because I, the libmv BDFL, decided it was faster to work
on libmv directly in Blender, then later reverse-port the libmv
changes from Blender back into libmv trunk. The interesting part
is that I added a full Levenberg-Marquardt loop to the region
tracking code, which should lead to a more stable solutions. I
also added a hacky implementation of "Efficient Second-Order
Minimization" for tracking, which works nicely. A more detailed
quantitative evaluation will follow.
infact this is a feature request but we had reports about it before and its useful to have.
2 new options for OBJECT_OT_duplicates_make_real
- parent to original duplicator
- keep internal hierarchy
- remove unneeded type check from convert grease pencil operator.
- correct some error prints & use __func__.
- make copy_libblock take an ID* argument rather than void*.
Curve Map exec function (for RGB curves) used a broken test condition for constant factor=1.0f eval. This must take the factor buffer into account, checking the factor vec for default value is not sufficient. These kinds of test should use a function interface, there are probably a lot more bugs like this hidden in the code.
duplicate of BKE_curframe() which just takes two extra args.
For the few calls in the physics engine where CFRA+1 instead of CFRA
was being used, I've added a new BKE_nextframe() call, which will
calculate for CFRA+1 instead of CFRA in much the same way that
bsystem_time() would end up doing things (which means including
subframe steps).
incompatible, and unmaintainable Time Offset cruft.
- Slow Parenting lives another day (just), although it now carries
appropriate cautionary disclaimers. It's only really for the Game
Engine nowadays, as that's the only place where it can possibly work
with any reliability.
- "Animation Hacks" panel is now "Relations Extras". I could've merged
the two panels, though I figured these options weren't that frequently
used to justify taking up screen-space by default along with the panel
===========================
Code cleanup and minor refactor. Moved some functions from movieclip.c
to tracking.c due to they're operating on tracking data only.
===========================
- Set as Background button will enable displaying background images in 3d space.
- Move options in Display panel to column. Saves some space.
- Camera solving now should deal fine with non-centered principal.
===========================
- Fix in rna description for pyramid level
- Unlock clip editor when deselecting all markers, deleting all marker
or hiding them.
- Keep disabled marker when clearing upto/after so there'll be no
estimated markers in this case which doesn't have much sense here.
- remove 'path' pointer, wasnt used anywhere.
- remove comments about what each game flag 'bit' does, these are defines now.
- reduce the size of DupliObject 8 bytes.
also commented some of the struct members.
