Add TsFile (converted from rerun/v30_apple_storage)

.gitattributes

@@ -58,3 +58,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+data/v30_apple_storage.tsfile filter=lfs diff=lfs merge=lfs -text

README.md

@@ -1,3 +1,76 @@
 ---
 license: apache-2.0
+task_categories:
+- robotics
+tags:
+- tsfile
+- timeseries
+- time-series
+- LeRobot
+- robotics
+pretty_name: v30_apple_storage (TsFile)
+size_categories:
+- n<1K
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/v30_apple_storage.tsfile
 ---
+
+# v30_apple_storage (TsFile)
+
+Apache TsFile version of [`rerun/v30_apple_storage`](https://huggingface.co/datasets/rerun/v30_apple_storage).
+
+## Overview
+
+A [LeRobot](https://github.com/huggingface/lerobot) (v3.0) robot-manipulation
+dataset collected on a `reachy2` robot. Each episode records the robot placing an
+apple in a plate — the commanded action and the measured state, sampled frame by
+frame.
+
+- **Robot:** `reachy2` (19-dim state / action).
+- **Task:** "place the apple in the plate" (1 task).
+- **Scale:** 3 episodes (episode_index 0/1/2), 899 frames total (299 + 300 + 300),
+  single `train` split.
+- **Sampling rate:** 30 fps.
+- **Videos:** one camera stream (`observation.image`) in the original dataset; not
+  included here (see below).
+
+> Note: the source `meta/info.json` reports `total_frames` 14983 and `splits`
+> "0:50", which do not match the actually published data — the data parquet and
+> the `meta/episodes` table both contain only 3 episodes / 899 frames. This TsFile
+> reflects the actual published data.
+
+## Schema (TsFile structure)
+
+- **Time** (INT64, milliseconds) — `round(timestamp * 1000)`, restarts per episode.
+- **episode_index** (TAG) — episode device dimension; query one episode with
+  `WHERE episode_index=0`.
+- **task_index** (TAG) — task device dimension (single task here).
+- **frame_index** (FIELD, INT64) — original per-episode frame counter.
+- **sample_index** (FIELD, INT64) — source `index` column, renamed.
+- **observation_state_0..observation_state_18** (FIELD, FLOAT) — measured 19-dim
+  state.
+- **action_0..action_18** (FIELD, FLOAT) — commanded 19-dim action.
+
+Vector columns are flattened by preserving the source name (`.` → `_`) and
+appending the element index. The source `timestamp` column is dropped because it
+equals `Time ÷ 1000` seconds.
+
+## Videos
+
+The camera video stream is not included in this TsFile repository. It remains in
+the original dataset under
+[`videos/`](https://huggingface.co/datasets/rerun/v30_apple_storage/tree/main/videos).
+
+## Usage
+
+Read the `.tsfile` files with the Apache TsFile Java or Python SDK.
+
+## Source & license
+
+- Original dataset: https://huggingface.co/datasets/rerun/v30_apple_storage
+- Author / publisher: rerun
+- Created with: [LeRobot](https://github.com/huggingface/lerobot) (codebase v3.0)
+- License: apache-2.0

data/v30_apple_storage.tsfile

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+version https://git-lfs.github.com/spec/v1
+oid sha256:fb12e0847a9de16bb5f83f508e2ca48612705f48451d79bf2c4e2ac1792a5dfe
+size 117186

meta/episodes/chunk-000/file-000.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:291debea4db927f07c6df521b7a2ea941634a05cb7117381926323f663543817
+size 40147

meta/info.json

@@ -0,0 +1,420 @@
+{
+  "codebase_version": "v3.0",
+  "robot_type": "reachy2",
+  "total_episodes": 3,
+  "total_frames": 14983,
+  "total_tasks": 1,
+  "chunks_size": 1000,
+  "fps": 30,
+  "splits": {
+    "train": "0:50"
+  },
+  "data_path": "data/v30_apple_storage.tsfile",
+  "features": {
+    "Time": {
+      "dtype": "int64",
+      "shape": [
+        1
+      ],
+      "tsfile_role": "TIME",
+      "unit": "ms"
+    },
+    "episode_index": {
+      "dtype": "int64",
+      "shape": [
+        1
+      ],
+      "tsfile_role": "TAG"
+    },
+    "task_index": {
+      "dtype": "int64",
+      "shape": [
+        1
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+      "tsfile_role": "TAG"
+    },
+    "frame_index": {
+      "dtype": "int64",
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+      "tsfile_role": "FIELD"
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+      "tsfile_role": "FIELD"
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+  "data_files_size_in_mb": 100,
+  "video_files_size_in_mb": 500,
+  "video_path_original": "videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4",
+  "tsfile_conversion": {
+    "source_dataset": "rerun/v30_apple_storage",
+    "source_data_path": "data/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet",
+    "converted_data_path": "data/v30_apple_storage.tsfile",
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+    "video_policy": "Videos are not uploaded to this repository; use the original HuggingFace dataset videos."
+  }
+}

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