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AMASS_NPZ / KUNGFU_NPZ / LAFAN1_NPZ — dof_pos Zero-Value Audit
Date: 2026-09-08 Robot: vr_m3 (27 DOF)
Schema (identical across all 3 folders):
| Key | Shape | Dtype |
|---|---|---|
fps |
() |
float32 |
root_pos |
(T, 3) |
float64 |
root_rot |
(T, 4) |
float64 |
dof_pos |
(T, 27) |
float64 |
local_body_pos |
(T, 32, 3) |
float32 |
local_body_rot |
(T, 32, 4) |
float32 |
body_names |
(32,) |
<U25 |
joint_names |
(27,) |
<U26 |
FPS: 50.0 across all files, all three folders — no mismatches.
All three folders were randomly spot-checked visually using vr_m3_latest with the robot shell mesh; results looked clean.
File counts
| Folder | Files |
|---|---|
AMASS_NPZ |
22,835 |
KUNGFU_NPZ |
996 |
LAFAN1_NPZ |
77 |
Zero-value findings (dof_pos)
| Folder | Total frames | Zeros found |
|---|---|---|
KUNGFU_NPZ |
356,205 | 0 |
LAFAN1_NPZ |
827,724 | 0 |
AMASS_NPZ |
11,799,453 | 26 total |
Flagged joints (AMASS_NPZ only)
| DOF idx | Joint name | Zero count | % of frames |
|---|---|---|---|
| 14 | left_shoulder_roll_joint |
7 | ~0.00% |
| 21 | right_shoulder_roll_joint |
19 | ~0.00% |
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