dwg-dxf-viewer-sample/.claude/commands/bootstrap.md at a71790070dd479abc2707a5dd63b0e8c872db412

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kimminsungandClaude Opus 4.8 a71790070d feat: multi-format 3D viewer with large-file OBJ streaming, Z-up, projection/outline UI

Three.js viewer supporting glb/gltf/obj/fbx/dae/ifc/ply via both server (SSR)
and drag&drop (CSR) paths.

- Streaming OBJ parser (src/viewer/objStream.ts) for files past the V8 max
  string length (>~1GB text) that OBJLoader can't handle; indexed geometry,
  per-vertex color from MTL Kd, float64 recenter baked in.
- In-viewer float64 recenter (objRecenter.ts) for huge CAD/survey coordinates
  (~1e8) so float32 vertex buffers keep precision (no cracked faces).
- Z-up right-handed world; Y-up formats rotated on load.
- OBJ+MTL+texture drag&drop (LoadingManager URL-modifier maps dropped images).
- OrbitControls ground-plane panning (road/rail alignment workflow).
- UI: Zoom Fit, perspective/orthographic toggle, feature-edge outline.
- DoubleSide for CAD OBJ; PLY mesh + point-cloud support.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-19 13:54:46 +09:00

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description

description
Bootstrap the hmwebviewer project from the architecture spec (Phase 0). Run once when PLAN.md is not started.

Read CLAUDE.md, PLAN.md, 3d_viewer_architecture_spec.pdf (extract via pdftotext -layout), then execute Phase 0 of PLAN.md:

Scaffold Vite + TypeScript project. Install three + @types/three.
Place Draco + KTX2 decoder assets under public/draco and public/basis (or wire CDN fallback). Pin to the installed three.js version.
Create a minimal src/viewer/ThreeDViewer.ts with a WebGLRenderer scene (camera, lights, resize loop) rendering a test cube.

Verify each step with real output: npm run dev serves, npm run build exits 0, console clean. Update PLAN.md (P0-* → done) and append to PROGRESS.md.

Arguments: $ARGUMENTS (optional override, e.g. package manager pnpm/npm).

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