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It is now possible to display per-frame track reprojection
error in curve view of clip editor. Simply enable corresponding
option in filter buttons.
Currently displayed using blue color which might confuse with
average reprojection error, further color tweaks are possible
and easy.
Also changed icon track x/y curves. Better icons here are
really appreciated.
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Use I to create a new keyframe, Alt-I to remove the ketframe.
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Currently only circle and square, might be easily
extended in the future.
New primitives are creating at cursor location.
This also implied adding 2d cursor to space clip.
Also fix set 2D cursor location which didn't work
in image editor's mask mode since 2.67.
TODO: draw_image_cursor better be moved to some
more generic file, but it's not so much
important for now and might be solved later.
Thanks Campbell for the review!
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This commit includes all the changes made for plane tracker
in tomato branch.
Movie clip editor changes:
- Artist might create a plane track out of multiple point
tracks which belongs to the same track (minimum amount of
point tracks is 4, maximum is not actually limited).
When new plane track is added, it's getting "tracked"
across all point tracks, which makes it stick to the same
plane point tracks belong to.
- After plane track was added, it need to be manually adjusted
in a way it covers feature one might to mask/replace.
General transform tools (G, R, S) or sliding corners with
a mouse could be sued for this. Plane corner which
corresponds to left bottom image corner has got X/Y axis
on it (red is for X axis, green for Y).
- Re-adjusting plane corners makes plane to be "re-tracked"
for the frames sequence between current frame and next
and previous keyframes.
- Kayframes might be removed from the plane, using Shit-X
(Marker Delete) operator. However, currently manual
re-adjustment or "re-track" trigger is needed.
Compositor changes:
- Added new node called Plane Track Deform.
- User selects which plane track to use (for this he need
to select movie clip datablock, object and track names).
- Node gets an image input, which need to be warped into
the plane.
- Node outputs:
* Input image warped into the plane.
* Plane, rasterized to a mask.
Masking changes:
- Mask points might be parented to a plane track, which
makes this point deforming in a way as if it belongs
to the tracked plane.
Some video tutorials are available:
- Coder video: http://www.youtube.com/watch?v=vISEwqNHqe4
- Artist video: https://vimeo.com/71727578
This is mine and Keir's holiday code project :)
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location
Now button in the toolshelf behaves this way:
- User clicks on "Add Marker"
- Then he clicks where the marker should get placed
Patch by Marcos Couto (ocf) with own modifications.
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Use center of currently visible frame part instead of
center of the whole frame for position of marker which
is adding from toolbox.
Used separate operator for this to keep operators more
atomic and not confuse with lots of conflicting properties.
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This operator will run a tracker from previous
keyframe to current frame for all selected markers.
Current markers positions are considering initial
position guess which could be updated by a tracker
for better match.
Useful in cases when feature disappears from the
frame and then appears again. Usage in this case
is the following:
- When feature point re-appeared on frame, manully
place marker on it.
- Use Refine Markers operation (which is in Track
panel) to allow tracker to find a better match.
Depending on direction of tracking use either
Forwards or Backwards refining. It's easy: if
trackign happens forwards, use Refine Frowards,
otherwise use Refine Backwards :)
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This operator will set scene's start/end frames to
match clip's start frame and footage duration.
Available in Clip panel in clip editor's toolbox.
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This is an alternative to using camera to scale the
scene and it's expected to be better solution because
scaling camera leads to issues with z-buffer.
Found the whole scaling thing a bit confusing,
especially for object tracking, but cleaning this up
is a bit different topic.
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Made it an operator instead of automatic prefetching.
Filling the whole memory with frames is not always
desired behavior.
Now prefetching is available via P-key, or from Clip
panel in toolbox or from Clip menu.
Also enabled prefetching for non-proxied movies.
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This commit basically implements frames prefetching for
movie clip datablock.
Number of frames to be prefetched is controlled in User
Preferences, System tab, Prefetch Frames option.
Currently prefetching is destructive-less for movie cache,
meaning mo frames will be removed from the cache when while
prefetching. This is because it's half of simplier to
implement, but it also makes sense from tracking point of
view -- we could want to playback in both directions and
removing frames from behind time cursor is not always a
good idea.
Anyway, smarter prefetching strategy could be developed
later.
Some implementation notes:
- Added MEM_CacheLimiter_get_memory_in_use function to get
memory usage of specified memory limiter.
- Fixed prototype of MEM_CacheLimiter_get_maximum which
was simply wrong (used wrong data type for output).
- Added some utility functions to movie clip and movie
cache for direct cache interaction and obtaining cache
statistics.
- Prefetching is implemented using general jobs system.
which is invoking from clip draw function.
- Prefetcing will stop as soon other job or playback starts.
This is done from performance point of view. Jobs will
likely require lots of CPU power and better to provide
whole CPU to it.
Playback is a bit more complicated case. For jpeg sequence
playback prefetching while paying back is nice. But trying
to prefetch heavy exr images and doing color space
conversion slows down both playback and prefetching.
TODO:
- Think of better policy of dealing with already cached frames
(like when cached frames from other clips prevents frames
from current clip to be prefetched)
- Currently a bit funky redraw notification happens from
prefetch job. Perhaps own ND_ is better to have here.
- Hiding clip while prefetch is active in theory shall stop
prefetching job.
- Having multiple clips opened on file load will prefetch
frames for only one of them.
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Also synchronized tracking dopesheet channels height/spacing with fcurve dopesheet.
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- image space used wrong notifiers.
- image notifier now checks for mask mode before listening to mask edits.
- mask keyframes now draw in the image space.
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then the context.
this allows a fix to be applied that corrects the helper line in the image view when transforming a mask.
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- Remove clip/mask specific size/aspect getters, they shall just
use the same size/aspect ratio.
- Made size getter (and some other public functions) accept context
instead of SpaceClip. Currently only SpaceClip is being get from
this context, but later it'll be helpful when adding support of
editing mask without opening clip in clip editor (in this case
using render resolution for mask would be ideal, but this
requires knowing scene in size getter).
- Rearrange some functions in clip_editor.c for easier navigation
in the file.
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start frame into account.
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- Displays dopesheet information for selected tracks, and currently does not
support any kind of editing.
- Changed regions to use the whole main region for such views as curves and dopesheet.
This allows to have own panels with tools/properties in this area.
- Active clip is getting synchronized between different clip editor editors in the
same screen, so updating of curve/dopesheet views happens automatically when one
changes current clip in one of this editors.
- Panels in toolbox and properties panels are now separated to rely on current view
mode, but some operators and poll functions still need to be updated.
- Added new screen called "Movie Tracking" where layout is configured to
display timeline, main clip window, curves and dopesheet.
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and dopesheet view into trunk
Mostly related on changes in poll functions for tracking operators and some changes
to how interface is initializing for different view types.
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Should be no functional changes.
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- Select All operator for selecting markers
- Disable selected markers operator
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Made Set Floor a bit more general and name it Set Plane which defines
orientation from 3 selected tracks and makes them belong to specified
plane (wall or floor).
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without the underscores these clogged up the namespace for autocompleation which was annoying.
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- Renamed graph_jump_to_current_frame to graph_center_current_frame
which makes more sense.
- Curve view now can be locked to time cursor (Lock to Time Cursor in
Display panel or L button in curve view). Not sure if offset from
locked position will make much sense here.
- Added hotkey for solving -- Shift-S.
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- Use proper poll functions for tracks curve operators.
- Darken frames outside of scene frame range in curves view.
- Implemented view all operator.
- Implemented jump to current frame operator.
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This commit implements basic clipboard support for movie tracking data
int clip editor. Used own implementation of clipboard like it's done
for sequencer.
Ideally it needed to be switched to more general clipboard system, but
currently this system is designed for text data only and it need to
be re-designed itself. But this feature is quite useful since object
tracking is implemented, so it should be OK to live with such own
implementation for a while.
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Added slider to define scale of object solution which is used to define
"depth" of object relative to camera position. This slider effects on all
"users" of object solution such as bundles display, constrained objects and so.
Added new operator called "Set Solution Scale" to set real scale for object
solution based on real distance between two bundles reconstructed for this object.
New slider and operator can be found on "Object" panel in toolbox when in
reconstruction mode and active tracking object isn't a camera.
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This commit implements basis stuff needed for object tracking,
use case isn't perfect now, interface also should be cleaned a bit.
- Added list of objects to be tracked. Default there's only one object called
"Camera" which is used for solving camera motion. Other objects can be added
and each of them will have it;s own list of tracks. Only one object can be used
for camera solving at this moment.
- Added new constraint called "Object Tracking" which makes oriented object be
moving in the save way as solved object motion.
- Scene orientation tools can be used for orienting object to bundles.
- All tools which works with list of tracks or reconstruction data now
gets that lists from active editing object.
- All objects and their tracking data are available via python api.
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===========================
- Changed 3D viewport reconstruction settings to more usable defaults
- Some code clean-up
- Option to place markers for detected features across the whole frame,
inside grease pencil areas or outside of grease pencil areas.
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===========================
DeBalie commit (main changes only):
- Code cleanup
- Selectable tracking graph curves and curve knots
- Graph curve and curve knots can be deleted now
- Fixed wrong write when linking libraries
(error is caused by hardcoded cound of linkable ID blocks)
- Fixed for KLT tracker when using keyframe adjustment
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===========================
Remove $Id$
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===========================
Initial implementation of graph view for movie tracking data.
Used the same UI-side approach as preview region for sequencer:
create region for graph-related information inside clip editor.
It's easier and nicer than trying to hack graph editor which is
currently designed to work with AnimData only. Trying to make it
more abstract to deal with any kind of data doesn't seem be real
benefit for now.
Currently supported displaying per-frame average error and
selected tracks' movement speed (pixels per frame).
Additional changes:
- Collect per-frame average error after solving.
- Split space clip drawing code into different files.
- Added per-frame average solving error.
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===========================
- Added python method MovieClip.tracking.tracs.add() to add new track.
Marker for this track is getting created on position (0, 0) and it's
keyframed to specified frame number.
- Implemented rotation 2D stabilization. It's supposed to be used in the
following workflow:
* Set tracks which defines location stabilization.
* Choose one track which defines orientation.
* Vector which connects median point of location and track used for
rotation would have the same orientation along all frames.
2D stabilization with rotation can be a bit slow.
- Some internal refactor and code clean-up.
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===========================
- Added mode toggle operator.
- Hide Marker panel and show Display panel by default.
- Enable manual calibration by default.
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===========================
initial re-design commit:
- Added Mode to Clip Editor. Currently the following modes are present:
* Tracking/Solving mode (default)
* Reconstruction mode
* Distortion mode
- Hide all tools/properties which doesn't make sense in current mode.
- Keep a look at new template template_marker. It's needed to control
marker's properties, changing of which should produce new keyframe.
Currently only "Enabled" property can be control. Probably all
properties from "Marker" panel could go there so this template
wouldn't be so specific.
- No operators are disabled for non-their mode. It means they
can be triggered from Space menu or hotkey.
Need clear map operators into mode to prevent mess of poll function.
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===========================
Added grease pencil to clip editor.
Idea is to use it for supervised camera calibraiton.
"Disable Marker" hotkey was changed to Shift-D
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===========================
Initial integration of proxies into movie clip editor.
Known issue: marker preview area uses proxyed image,
hopefully fix would be available soon.
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===========================
Request from some artists and initial idea: own frame scrubber for clip editor.
- Display current frame number in small rectangle near current frame marker
in clip editor.
- Mouse can be used to change current frame. It is almost the same as
for timeline. Changing of frame happens when mouse is slidding in 16px
height area in the bottom of clip editor.
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