Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
schema_version: string
episode_id: string
frame_index: int64
timestamp_ms: int64
hands: list<item: struct<handedness: string, joints_3d: list<item: list<item: double>>, camera_parameters: (... 20 chars omitted)
child 0, item: struct<handedness: string, joints_3d: list<item: list<item: double>>, camera_parameters: list<item: (... 8 chars omitted)
child 0, handedness: string
child 1, joints_3d: list<item: list<item: double>>
child 0, item: list<item: double>
child 0, item: double
child 2, camera_parameters: list<item: double>
child 0, item: double
manifest_generation: string
output_mcap_generation: string
pipeline_version: string
output_mcap_uri: string
status: string
manifest_uri: string
to
{'manifest_generation': Value('string'), 'manifest_uri': Value('string'), 'output_mcap_generation': Value('string'), 'output_mcap_uri': Value('string'), 'pipeline_version': Value('string'), 'schema_version': Value('string'), 'status': Value('string')}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
schema_version: string
episode_id: string
frame_index: int64
timestamp_ms: int64
hands: list<item: struct<handedness: string, joints_3d: list<item: list<item: double>>, camera_parameters: (... 20 chars omitted)
child 0, item: struct<handedness: string, joints_3d: list<item: list<item: double>>, camera_parameters: list<item: (... 8 chars omitted)
child 0, handedness: string
child 1, joints_3d: list<item: list<item: double>>
child 0, item: list<item: double>
child 0, item: double
child 2, camera_parameters: list<item: double>
child 0, item: double
manifest_generation: string
output_mcap_generation: string
pipeline_version: string
output_mcap_uri: string
status: string
manifest_uri: string
to
{'manifest_generation': Value('string'), 'manifest_uri': Value('string'), 'output_mcap_generation': Value('string'), 'output_mcap_uri': Value('string'), 'pipeline_version': Value('string'), 'schema_version': Value('string'), 'status': Value('string')}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
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Check out the documentation for more information.
egoforce — FusionX tactile glove recordings
Egocentric manipulation recordings with FusionX JQ tactile-glove data (SeqMind deliverables), plus the scripts and Foxglove assets used to review them.
Layout
<date>/<task>/<person>/recording_NNN/
recording_000.mcap # cameras (h264), glove tactile/IMU (JSON), annotations
labels/ or *.json # QA / semantic annotation results
output/ # rendered review videos (force_video.mp4, summary.mp4, ...)
visualize.py # multi-view review renderer
visualize_force.py # force video replicating the official Foxglove panel
touchtronixrobotics.fusionx-tactile-panel-0.2.4.foxe # official panel extension
fusionx_foxglove_annotated.json # Foxglove review layout
MCAP topics
/camera/head/rgb/h264,/camera/head/mono_{left,right}/h264,/camera/wrist/{lh,rh}/h264/glove/{lh,rh}/tactile— JSONtouchtronix.GloveTactileSample:finger_pressure(5×12, 0–255 ADC),palm_pressure(60),finger_bend(5), optionalfinger_force_N_pixels(5×12, newtons)/annotations/semantic/{state,image},/annotations/hand_pose_3d/{left,right}
Rendering a force video
pip install mcap opencv-python numpy # plus ffmpeg on PATH
python3 visualize_force.py <recording_dir> # -> <recording_dir>/output/force_video.mp4
Force pixels use the official fixed 0–20 N scale, colour hsl(240·(1−v/20), 90%, 50%); recordings without finger_force_N_pixels fall back to raw ADC (0–255) with the palm grid. All streams are aligned on MCAP log_time.
Known data quirks
08122026/Nailing/Rohit_000: LHfinger_bendandpalm_pressureare all-zero for the whole recording (dead channels); LHfinger_force_N_pixelshas a standing bias (idle taxels up to ~7 N).06142026/Placing_Lego_Blocks/Alina_4010: nofinger_force_N_pixelsand no wrist cameras (head mono used instead).
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