---
pretty_name: AniMo4D-AnyTop
tags:
  - motion-generation
  - animal-motion
  - anytop
  - bvh
license: other
---

# AniMo4D-AnyTop

This repository stores the AniMo4D-AnyTop release archive as 2 GiB split
`.tar.zst` parts.

The extracted dataset contains:

- 77,894 AnyTop-format motion arrays in `motions/`
- 77,894 matching BVH files in `bvhs/`
- per-object skeleton and normalization metadata in `cond.npy`
- official AniMo4D captions in `motion_texts_by_file_with_animo4d_official.json`
- sample/path metadata in `motion_text_manifest.jsonl`

## Files

- `AniMo4D_AnyTop_v1.tar.zst.part01` ... `part46`: split archive parts
- `parts_manifest.json`: part sizes and checksums
- `checksums.sha256`: SHA256 checksums for the full archive and each part

The full archive SHA256 is:

```text
059c30d3bbcbb46348e3f70c7950c005917ef227e51eec1248b2a000828339e8
```

## Reassemble and Extract

Linux:

```bash
cat AniMo4D_AnyTop_v1.tar.zst.part* > AniMo4D_AnyTop_v1.tar.zst
sha256sum AniMo4D_AnyTop_v1.tar.zst
tar --zstd -xf AniMo4D_AnyTop_v1.tar.zst
```

Windows PowerShell:

```powershell
cmd /c copy /b AniMo4D_AnyTop_v1.tar.zst.part* AniMo4D_AnyTop_v1.tar.zst
Get-FileHash -Algorithm SHA256 .\AniMo4D_AnyTop_v1.tar.zst
tar --zstd -xf .\AniMo4D_AnyTop_v1.tar.zst
```

## Dataset Notes

The release is an exact-match subset of the official AniMo4D annotation list:
77,894 of 78,149 official rows were matched to local processed motions. No fuzzy
motion substitution was applied.