Dataset Viewer
The dataset viewer is not available for this subset.
Cannot get the split names for the config 'default' of the dataset.
Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "tsfile/tsfile_py_cpp.pyx", line 567, in tsfile.tsfile_py_cpp.tsfile_reader_new_c
              tsfile.exceptions.FileOpenError: 28: 
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 271, in _split_generators
                  scan = self._scan_metadata(all_files)
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 318, in _scan_metadata
                  with self._open_reader(file) as reader:
                       ~~~~~~~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 742, in _open_reader
                  return TsFileReader(file)
                File "tsfile/tsfile_reader.pyx", line 323, in tsfile.tsfile_reader.TsFileReaderPy.__init__
              SystemError: <class '_weakrefset.WeakSet'> returned a result with an exception set
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 66, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ~~~~~~~~~~~~~~~~~~~~~~~^
                      path=dataset,
                      ^^^^^^^^^^^^^
                      config_name=config,
                      ^^^^^^^^^^^^^^^^^^^
                      token=hf_token,
                      ^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                      path,
                  ...<6 lines>...
                      **config_kwargs,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

Pouring (TsFile)

This is a time-series conversion of garySue/pouring, a LeRobot v2.0 robotics dataset containing demonstrations of the pouring task with a dual-arm bi_ur5 robot.

  • Modalities: Time-series
  • Robot: bi_ur5
  • Task: pouring
  • License: Apache License 2.0

Dataset scale

Split Episodes Frames / TsFile rows Sampling rate Tasks Source Parquets Final TsFiles
train 80 16,818 30 fps 1 80 1

All numeric frame data is merged into exactly one file, data/pouring.tsfile, containing the table pouring. The file is approximately 2.59 MB.

TsFile schema

Column TsFile role Type Description
Time TIME INT64 Milliseconds, computed as Time = round(timestamp * 1000); time restarts within each episode.
episode_index TAG INT64 Original episode identifier (0 through 79).
task_index TAG INT64 Original task identifier (0 for the single pouring task).
frame_index FIELD INT64 Original frame position within the episode.
sample_index FIELD INT64 Original global index, renamed to avoid ambiguity.
action_0 ... action_13 FIELD FLOAT (float32) Complete 14-element source action vector.
observation_state_0 ... observation_state_13 FIELD FLOAT (float32) Complete 14-element source observation.state vector.
observation_velocity_0 ... observation_velocity_13 FIELD FLOAT (float32) Complete 14-element source observation.velocity vector.
observation_gripper_position_0 ... observation_gripper_position_1 FIELD FLOAT (float32) Complete two-element source observation.gripper_position vector.

The source timestamp column is dropped after generating Time because it is the redundant seconds representation of the same time coordinate (Time / 1000). No rows or other numeric source columns are dropped. All four vectors are flattened without truncation, index is renamed, and the episode, task, and frame identifiers remain available.

Videos and metadata

The source contains three 480 x 640 RGB H.264 camera streams: observation.images.top_rgb, observation.images.left_rgb, and observation.images.right_rgb. Their 240 MP4 files are intentionally omitted from this time-series repository and remain in the original dataset's videos/ tree.

Numeric rows retain episode_index, frame_index, and the 30 fps time coordinate, so they remain aligned with the corresponding source video frames. The source meta/ files are mirrored, except that meta/info.json is rewritten to describe the single TsFile path, TIME/TAG/FIELD schema, flattened and renamed features, omitted video features, and source-video alignment. No videos/ directory is included here.

Reading the data

Install the Apache TsFile Python package, then query the actual table. query_table returns the time column automatically in addition to the requested TAG and FIELD columns.

from tsfile import TsFileReader

reader = TsFileReader("data/pouring.tsfile")
columns = [
    "episode_index",
    "task_index",
    "frame_index",
    "sample_index",
    "observation_state_0",
    "observation_velocity_0",
    "action_0",
]

with reader.query_table("pouring", columns, batch_size=65536) as result:
    batch = result.read_arrow_batch()
    if batch is not None:
        print(batch.to_pandas().head())

Source and citation

The source dataset was created with LeRobot and is published at garySue/pouring. Its dataset card does not provide a paper or BibTeX citation; consult the source repository for any future citation updates.

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