 Hartmut
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5d912594dd
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docs: add milestones, file targets, acceptance gates to all 10 ROADMAP priorities
- Each priority now has: milestones (M1-MN), concrete file target table
(CREATE/MODIFY/DELETE per file), and binary acceptance gates
- Created docs/plans/0001-step-to-usd-implementation.md: full execution
checklist for USD pipeline (Priorities 2, 4, 5) with:
- Phase 1: dual-write USD beside GLB
- Phase 2: partKey + three-layer material assignment model
- Phase 3: seam/sharp payload to USD mesh primvars (index-space)
- Phase 4: Blender render from USD
- Phase 5: frontend ThreeDViewer partKey migration
- Open questions decision table
- Non-regression checklist
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-03-11 15:10:45 +01:00 |
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Hartmut
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ca62319688
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feat: sharp edge pipeline V02, tessellation presets, media cache-bust, GMSH plan
Sharp Edge Pipeline V02:
- export_step_to_gltf.py: replace BRep_Tool.Polygon3D_s (returns None in XCAF) with
GCPnts_UniformAbscissa curve sampling at 0.3mm step — extracts 17,129 segment pairs
- Inject sharp_edge_pairs + sharp_threshold_deg into GLB extras (scenes[0].extras)
via binary GLB JSON-chunk patching (no extra dependency)
- export_gltf.py: read schaeffler_sharp_edge_pairs from Blender scene custom props,
apply via KD-tree to mark edges sharp=True + seam=True (OCC mm Z-up → Blender transform)
- tools/restore_sharp_marks.py: dual-pass (dihedral angle + OCC pairs), updated coordinate
transform (X, -Z, Y) * 0.001
Tessellation:
- Admin UI: Draft / Standard / Fine preset buttons with active-state highlighting
- Default angular deflection: preview 0.5→0.1 rad, production 0.2→0.05 rad
- export_glb.py: read updated defaults from system_settings
Media / Cache:
- media/service.py: get_download_url appends ?v={file_size_bytes} cache-buster
- media/router.py: Cache-Control: no-cache for all download/thumbnail endpoints
Render pipeline:
- still_render.py / turntable_render.py: shared GPU activation + camera improvements
- render_order_line.py: global render position support
- render_thumbnail.py: updated defaults
Frontend:
- InlineCadViewer: file_size_bytes-aware URL update triggers re-fetch on regeneration
- ThreeDViewer: material panel, part selection, PBR mode improvements
- Admin.tsx: tessellation preset cards, GMSH setting dropdown
- MediaBrowser, ProductDetail, OrderDetail, Orders: various UI improvements
- New: MaterialPanel, GlobalRenderPositionsPanel, StepIndicator components
- New: renderPositions.ts API client
Plans / Docs:
- plan.md: GMSH Frontal-Delaunay tessellation plan (6 tasks)
- LEARNINGS.md: OCC Polygon3D_s None issue + GCPnts fix
- .gitignore: add backend/core (core dump from root process)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-03-11 14:40:36 +01:00 |
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