Add loader for animovement/aniframe Parquet files

docs/source/user_guide/input_output.md

@@ -35,6 +35,7 @@ To programmatically query the supported source software names and their file suf
 | [Anipose](anipose:)                                                         |              | triangulation .csv file, or corresponding pandas DataFrame                                                                | Pose                 | Load                 |
 | [VGG Image Annotator](via:)                                                 | VIA          | .csv file for [tracks annotation](via:docs/face_track_annotation.html)                                                    | Bounding box         | Load & Save          |
 | [Neurodata Without Borders](https://nwb-overview.readthedocs.io/en/latest/) | NWB          | .nwb file or NWBFile object with the [ndx-pose extension](https://github.com/rly/ndx-pose)                                | Pose                 | Load & Save          |
+| [animovement](https://animovement.dev) / [aniframe](https://github.com/roaldarbol/aniframe) |              | .parquet file                                                                                                             | Pose                 | Load                 |
 | Any                                                                         |              | Numpy arrays                                                                                                              | Pose or Bounding box | Load & Save\*        |
 
 \*Exporting any `movement` DataArray to a NumPy array is as simple as calling xarray's built-in {meth}`xarray.DataArray.to_numpy()` method, so no specialised "Export/Save As" function is needed, see [xarray's documentation](xarray:user-guide/duckarrays.html) for more details.

docs/source/user_guide/installation.md

@@ -48,6 +48,12 @@ You may exchange `pyqt6` for `pyside6` if you prefer a different Qt backend.
 See [napari's installation guide](napari:tutorials/fundamentals/installation.html)
 for more details on available backends.
 
+To enable loading [`aniframe`](https://animovement.dev/aniframe/) `.parquet`
+files, additionally install `pyarrow` and `rdata`:
+```sh
+conda install -c conda-forge movement pyarrow rdata
+```
+
 :::
 
 :::{tab-item} From PyPI using pip
@@ -59,6 +65,12 @@ If you wish to use the GUI, which requires [napari](napari:), run instead:
 ```sh
 pip install "movement[napari]"
 ```
+To enable loading [`aniframe`](https://animovement.dev/aniframe/) `.parquet`
+files, install with the `aniframe` extra:
+```sh
+pip install "movement[aniframe]"
+```
+Extras can be combined, e.g. `pip install "movement[napari,aniframe]"`.
 :::
 
 :::{tab-item} From PyPI using uv
@@ -70,6 +82,12 @@ If you wish to use the GUI, which requires [napari](napari:), run instead:
 ```sh
 uv pip install "movement[napari]"
 ```
+To enable loading [`aniframe`](https://animovement.dev/aniframe/) `.parquet`
+files, install with the `aniframe` extra:
+```sh
+uv pip install "movement[aniframe]"
+```
+Extras can be combined, e.g. `uv pip install "movement[napari,aniframe]"`.
 :::
 
 ::::