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settled-reach/tooling/segment_reference_distribution.md
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jpmschweitzerandClaude Opus 4.6 093b24e38e feat(assets): face-based segmentation pipeline + solidify for hair/clothing
Segmentation:
- Face-based exclusive assignment (no overlap, no caps needed)
- Hips split from torso (pelvis as own segment)
- Torso_upper independent (spine_03 + clavicle, not a variant)
- Clavicle moved from arm_upper to torso_upper

Hair pipeline:
- Solidify modifier (20mm) for scalp hair volume
- Normal recalculation before solidify for consistent direction
- Eyebrows/facial hair NOT solidified
- Fixed mask generation (was outputting black, now white)

Clothing pipeline:
- Solidify modifier (25mm) for clothing thickness
- Peasant shoes added from Fantasy pack

Tooling:
- convert_outfit.py with solidify support
- inspect_glb.py, check_hair_symmetry.py for debugging
- Segment reference distribution locked
- Q-063 footsteps VFX filed

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-23 17:43:04 +01:00

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# Segment Face Distribution Reference (average_m)
Source: Regular_Male_FullBody.gltf (7047 verts, 12128 faces)
Date: 2026-03-23
Method: face-based exclusive assignment (dominant bone weight per face)
Bone mapping:
torso: spine_01, spine_02
torso_upper: spine_03, clavicle_l, clavicle_r
hips: pelvis
arm_upper: upperarm_l/r (no clavicle)
| Segment | Faces | Status |
|---------|-------|--------|
| seg_head | 2552 | LOCKED |
| seg_neck | 200 | LOCKED |
| seg_torso | 631 | LOCKED |
| seg_torso_upper | 762 | LOCKED |
| seg_hips | 314 | LOCKED |
| seg_arm_upper_l | 274 | LOCKED |
| seg_arm_upper_r | 274 | LOCKED |
| seg_arm_lower_l | 293 | LOCKED |
| seg_arm_lower_r | 293 | LOCKED |
| seg_hand_l | 1722 | LOCKED |
| seg_hand_r | 1722 | LOCKED |
| seg_leg_upper_l | 406 | LOCKED |
| seg_leg_upper_r | 409 | LOCKED |
| seg_leg_lower_l | 439 | LOCKED |
| seg_leg_lower_r | 439 | LOCKED |
| seg_foot_l | 699 | LOCKED |
| seg_foot_r | 699 | LOCKED |
| seg_eyes | (sub-object) | LOCKED |
| seg_eyebrows | (sub-object) | LOCKED |
All segments locked. No overlaps, no variants — all independent.