Gallery

Notes per entry

• PushT / ALOHA — LeRobot v3 repos on the public Hub; episodes: auto reads total_episodes, nothing else to configure. Both pack every episode of a camera into ONE mp4 and give each episode a time window in the metadata, which is what the viewer plays. The ALOHA entry lays its charts out with a split: row node — layout belongs to the author, and nested row / column / grid compose freely.
• Cognition pour-water — a LeRobot v2.0 dataset served as plain HTTPS from a public S3 bucket: same format: lerobot, older layout, different storage — the .dreamrc barely changes. Its chart binds the same feature twice with dim globs ("torso*") to overlay command (dashed) on state (solid). meta/info.json declares 298 episodes and only three are mirrored, so the entry resolves five: the last two show the per-panel error state a missing file produces, which is what a partial mirror honestly looks like.
• LIBERO Spatial (depth) — float32 depth maps stored raw in parquet: read as typed arrays and turbo-colorized on the fly, no image decoding at all. Frames in the same parquet row group cost zero extra requests.
• gym-xarm point clouds — observation.environment_state is a [512,6] float tensor and its name says nothing; the config binds it to pointCloud, which reads it as xyz+rgb (Apache-2.0). Orbit the scene while the cursor plays. LeRobot declares no semantics for a feature and nothing here invents one — a human read the inventory once and wrote it down.
• nuScenes mini (MCAP) — a 512MB file on third-party demo infra read IN PLACE: the summary section gives 30 fields from 18 of its 41 channels for ~2MB of ranged reads, then each field pulls only the chunks it needs. Each channel is listed with its schema name, and that name selects a decoder when a binding asks: foxglove.PointCloud read as pointcloud (34,688 LiDAR points per frame), one tf child frame read as transform3d, SceneUpdate model primitives, GPS. cdr-encoded channels (a plain ROS 2 bag) and Grid / CameraCalibration are still omitted, with console warnings.
• MV-UMI — the multi-GB .zarr.zip is never downloaded: the frame stack byte-ranges one JPEG-XL frame per camera under the cursor (JXL needs Safari 17+ or Chrome's flag).
• EgoVerse — a .zarr v3 directory store; the flattened hand-keypoint arrays are numbers like any other until the config binds them as: pose3d, which animates them as point sets in the 3D scene.
• Ceramics — folder format: annotations auto-discovered from each episode's annotations/ dir; the recon track is a real exported reconstruction (ruler + toy, MANO hands) — orbit it while video plays.