- Switch from gaussian-bokeh blur to mean-value which is much faster
and from matte's quality behaves not worse than gaussian-bokeh.
- Added Edge matte output so areas where black/white clipping happens
could be easily controlled.
Currently not sure if it's possible than operation returns two
buffers, so now implemented as separate clipping operation call
with specific options.
- Changed logic of detecting edges - check if most pixels within
kernel are different fits some tolerance interval.
- Added two extra options which controls how edges are detecting:
* Edge Kernel Radius defines radius of kernel within pixel's value
is checking.
* Edge Kernel Tolerance defines maximal difference between value
of current pixel and it's neigbours which are trated as belng to
the same plane )background of foreground)
Unfortunately, value for this two sliders for existing files shall
be tweaked manually. Default values are 3 for radius and 0.1 for
tolerance.
Helps keeping features tracked when there's large scale happens
without need to manually re-adjust search area.
Currently using factor of pattern's boundbox scale, but probably
could be done in more accurate way?
artifacts in the boundaries of tiles.
Also added test blur operation which could potentially give better results
than gaussian blur for keying. Not user yet, to enable uncomment like
with USE_GAUSSIAN_BLUR in file COM_KeyingNode.cpp.
Added selection flush after loop cut, changed select_linked_pick's
flush to use the em selection flag.
Fixes bug [#31715] Cases where verts and edges are selected but not
relevant faces
Add check for merging vertices into vertices that are themselves
marked for merge, was already done for array eleements but not end
caps.
Fixes bug [#31695] Array Modifier: End Cap fails if all vertices are merged
Also corrected some reversed assert arguments.
Bug [#31785] Applying a transform to an object with multires weird result
Was reading interleaved coord/mask data incorrectly since paint mask
merge. Fixed by using two separate CCGKeys.
Some additional code cleanup: deduplicate multires tangent matrix
calculation.
only visible when doing large size blurs.
also solved the catcom/mitch filter that didn't work at low/medium quality
PS never use BokehBlur Gausian filter as it is 99%+ identicat as non bokeh <= top for sergey- :)
AFAIK, it is impossible to determine exactly which axes may have negative
scaling values from a 4x4 matrix (which is the underlying cause of this bug).
However, we can figure out if there is some negative scaling going on in that
matrix (i.e. one of the axes has negative scale). So, the fix here is to
negatively scale everything if we detect this happening.
WARNING: do not rely on being able to accurately detecting positive/negative
values for more than a single axis per bone controller. Weird results may occur.
You have been warned.
Slightly hacky fix to get updates working for Action Editor header when there
are changes of the active action (via undo and/or deleting all keyframes at
once). Since the action referenced by the editor only gets updated when anim
channel filtering (e.g. as a result of the channel syncing operation) is
invoked. Added comments noting where these updates actually occur
space works again
This commit restores the support for using Grease Pencil in the Sequence Editor
image preview region, making it possible to scribble on footage for review
purposes again. Due to internal changes in how the Sequencer handles the image
drawing for this stuff (i.e. it is now fully based on View2D instead of trying
to implement its own little crazy offset+zoom stuff), a lot of the old code for
handling those offsets is no longer needed. Instead, one of the "standard" cases
is now used, and works quite well.
Bugfixes:
* View-space Grease Pencil drawing was done in wrong place (before view2d
restore)
* Grease Pencil entry in RNA had wrong/missing type
Credits:
* DingTo - initial patch/attempt at restoring support
* Aligorith - solved the "offset problems"
Seems to give quite noticeable speedup, but there's sometimes strange artifacts
showing as darker lines placed in along some kind of tiles.
Not sure what causes them yet.
* Use the PBVHType consistently in pbvh_update_draw_buffers().
* Split the raycast function up, mesh and grid raycast get their own
functions now.
* Replace duplicated code in BLI_pbvh_node_add_proxy() with call to
BLI_pbvh_node_num_verts().
This option was broken for non-multires meshes (not sure for how
long), as the pmap was not getting calculated.
Added a more general check for whether the pmap is needed, also added
an assert to warn about this in future.
===========================================
Major list of changes done in tomato branch:
- Add a planar tracking implementation to libmv
This adds a new planar tracking implementation to libmv. The
tracker is based on Ceres[1], the new nonlinear minimizer that
myself and Sameer released from Google as open source. Since
the motion model is more involved, the interface is
different than the RegionTracker interface used previously
in Blender.
The start of a C API in libmv-capi.{cpp,h} is also included.
- Migrate from pat_{min,max} for markers to 4 corners representation
Convert markers in the movie clip editor / 2D tracker from using
pat_min and pat_max notation to using the a more general, 4-corner
representation.
There is still considerable porting work to do; in particular
sliding from preview widget does not work correct for rotated
markers.
All other areas should be ported to new representation:
* Added support of sliding individual corners. LMB slide + Ctrl
would scale the whole pattern
* S would scale the whole marker, S-S would scale pattern only
* Added support of marker's rotation which is currently rotates
only patterns around their centers or all markers around median,
Rotation or other non-translation/scaling transformation of search
area doesn't make sense.
* Track Preview widget would display transformed pattern which
libmv actually operates with.
- "Efficient Second-order Minimization" for the planar tracker
This implements the "Efficient Second-order Minimization"
scheme, as supported by the existing translation tracker.
This increases the amount of per-iteration work, but
decreases the number of iterations required to converge and
also increases the size of the basin of attraction for the
optimization.
- Remove the use of the legacy RegionTracker API from Blender,
and replaces it with the new TrackRegion API. This also
adds several features to the planar tracker in libmv:
* Do a brute-force initialization of tracking similar to "Hybrid"
mode in the stable release, but using all floats. This is slower
but more accurate. It is still necessary to evaluate if the
performance loss is worth it. In particular, this change is
necessary to support high bit depth imagery.
* Add support for masks over the search window. This is a step
towards supporting user-defined tracker masks. The tracker masks
will make it easy for users to make a mask for e.g. a ball.
Not exposed into interface yet/
* Add Pearson product moment correlation coefficient checking (aka
"Correlation" in the UI. This causes tracking failure if the
tracked patch is not linearly related to the template.
* Add support for warping a few points in addition to the supplied
points. This is useful because the tracking code deliberately
does not expose the underlying warp representation. Instead,
warps are specified in an aparametric way via the correspondences.
- Replace the old style tracker configuration panel with the
new planar tracking panel. From a users perspective, this means:
* The old "tracking algorithm" picker is gone. There is only 1
algorithm now. We may revisit this later, but I would much
prefer to have only 1 algorithm. So far no optimization work
has been done so the speed is not there yet.
* There is now a dropdown to select the motion model. Choices:
* Translation
* Translation, rotation
* Translation, scale
* Translation, rotation, scale
* Affine
* Perspective
* The old "Hybrid" mode is gone; instead there is a toggle to
enable or disable translation-only tracker initialization. This
is the equivalent of the hyrbid mode before, but rewritten to work
with the new planar tracking modes.
* The pyramid levels setting is gone. At a future date, the planar
tracker will decide to use pyramids or not automatically. The
pyramid setting was ultimately a mistake; with the brute force
initialization it is unnecessary.
- Add light-normalized tracking
Added the ability to normalize patterns by their average value while
tracking, to make them invariant to global illumination changes.
Additional details could be found at wiki page [2]
[1] http://code.google.com/p/ceres-solver
[2] http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.64/Motion_Tracker
Currently only put sources of Ceres library into extern/libmv/third_party and
setup CMake and SCons building systems.
Integration details:
- Even CMake build files are not re-used from Ceres's trunk: they're using some
automatic stuff detection like glog, pthreads, protobuf and so and it's not
so clear how to re-use that files without modifications.
And IMO it's easier if build files are getting re-generated automatically to
match Blender-specific setup rather than keeping changes made locally in
Blender in sync when re-bundling Ceres library. Especially in case when it's
already needed to support SCons build system.
- Integrated only actual sources, all tests were stripped. Probably it'll be nice
to have them, but they'll need clear integration with current module test stuff
in Blender.
- Suitesparse was disabled. It'll help a lot having it, but there are some difficulties
making cholmod working fine on windows. Would be added in future
- collections_port.cc was also stripped. It's not used by Ceres's upstream and
it gives compilation error (undefined uint32 -- looks like namespace issue).
- Currently all schur eliminators are included. Not sure if it makes sense,
also not sure if it makes sense having them switchable on and off -- IMO better
to have single configuration which works and does not require special tweaks
after everything was set up.
To bundle updated version of Ceres:
- Go to extern/libmv/third_party/ceres folder
- Run ./bundle.sh
This will checkout fresh Ceres snapshot of Windows branch (which is currently
most interesting from integration into Blender POV), apply all patches listed
in patches/series and copy needed files into Blender's working copy. This will
also re-generate CMake/SCons build rules.
If you'll need extra files from Ceres repository which are not present in
Blender, you'll need to copy them manually and then run ./mkfiles.sh from
extern/libmv/third_party/ceres folder which will update list of files used
by Blender.
Thanks to Leir Mierle and Sameer Agarwal (and all others who helped developing
Ceres) this library and thanks to Keir Mierle with help integrating it into Blender!
