…ems (#1134)

* Create signal that updates plot instead of redrawing

* Remove debug code

* Non-functional self-review changes

Ensure variable initialized before calling it

* [io] export tracking results to NIX file

* [io] nix added to export filter only if available

* [nixio] refactor, add scores link data as mtag

* [nixio] speeding up export by chunked writing

* [nixio] rename point score to node score

* [nixio] fix missing dimension descriptor for node scores

* [export analysis] support multiple formats also for bulk export

* [nixio] export centroid, some documentation

* [nixio] fix double dot before filename suffix

* [nixio] fix bug when not all nodes were found

* [nixio] housekeeping

* [nix] add nix analyis output format to convert

* [nix] tiny fix, catch file write error and properly close file

* [inference] main takes optional args. Can be imported to run inference form scripts

* [convert] simplify if else structure and outfile handling for analysis export

* [nix] use pathlib instead of os

* [nix] catch if there are instances with a None frame_idx ...

not sure why this occurred. The nix adaptor cannot save instances
that are not related to a frame.

* [nix] move checks to top of write function

* [nix] use absolute imports

* [nix] use black to reformat

* [commands] revert qtpy import and apply code style

* [convert] use absolute imports, apply code style

* [commands]fix imports

* [inference/nix]fix linter complaint, adjust nix types for scores

* [nix] add test case for nix export format

* [nix] extended testing, some modifications of adaptor

* [skeleton] add __eq__ to Skeleton ...

make Node.name and Node.weight instance variables instead of class
variables

* [nix] add nixio to requirements, remove unused nix_available, ...

allow for non-unique entries in node, track and skeleton. Extend node
map to store the skeleton it is part of

* [nix] make the linter happy

* [Node] force definition of a name

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

* [nix] use getattr for getting grayscale information

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

* [nix] fixes according to review

* [convert] break out of loop upon finding the video

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

* [commands.py] use pathilb instead of splitting filename

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

* [dev requirements] remove linebreak at last line

* [skeleton] revert attribute creation back to original

* [nix] break lines in class documentation

* Ensure all file references are closed

* Make the linter happy

* Add tests for ExportAnalysis and (docs for) sleap-convert

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

…1133)

* Create VisibleBoundingBox class.

* Added instance scaling functionality in addition to bounding box scaling functionality.

* Update sleap/gui/widgets/video.py

Co-authored-by: Talmo Pereira <talmo@salk.edu>

* Update sleap/gui/widgets/video.py

Co-authored-by: Talmo Pereira <talmo@salk.edu>

* Update sleap/gui/widgets/video.py

Co-authored-by: Talmo Pereira <talmo@salk.edu>

* Update sleap/gui/widgets/video.py

Co-authored-by: Talmo Pereira <talmo@salk.edu>

* Update sleap/gui/widgets/video.py

Co-authored-by: Talmo Pereira <talmo@salk.edu>

* Added new testing for scaling operation and simplified VisibleBoundingBox class code.

* Added type hinting to the scaling padding and removed erroneous bounding rect initialization.

Co-authored-by: Talmo Pereira <talmo@salk.edu>
Co-authored-by: Liezl Maree <38435167+roomrys@users.noreply.github.com>

* Add better error message for top down

* Add test for error message

* Raise different error, fix test

…/sleap into adam/resumable-training-3