feat: 웹 트윈 glTF(.glb) 내보내기 — Bmaps/Cesium 런타임 뷰 - #4
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디지털 트윈 통합의 시각화 층(docs/digital_twin_integration.md). 의미·기록은 IFC, 시간축은 VLM 패키지, 여기서는 웹 렌더용 파생 뷰만 만든다. - insar/gltf_export.py: InSAR/PSI H5 → .glb(POSITION+COLOR_0 POINTS) + .meta.json. 정점색=값(velocity diverging·CRI 밴드·cumulative). 의존성 없이 struct/json 으로 glb 직접 기록. 좌표는 pyproj 있으면 EPSG:5186 로컬 ENU, 없으면 등거리 근사 폴백. - .meta.json: **GlobalId 결합 계약**(element_globalid 외래키 슬롯 — --bim-align 이 채우면 시계열↔IFC 부재 영구결합) + georef 원점(뷰어 eastNorthUpToFixedFrame 글로브 배치) + 범례. - CLI: --export-gltf H5,OUT [--gltf-value velocity|cri|cumulative] [--gltf-fram] [--gltf-z-exaggerate] - docs/digital_twin_integration.md: 3층(IFC 의미·시계열 사이드카·런타임 포맷) + GlobalId 결합 설계. IFC 4.3(교량 클래스)·glTF·USD·FBX 역할 정리. 검증: 실 CHYG(20,000점)·동수원 CRI(454점) .glb 생성 → pygltflib 정식 파싱 OK. 테스트 4개 (유효 glTF2 구조·정점색·GlobalId 결합·georef·cri 채널 가드). 코어 venv 579 passed/0 failed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EN8ND36zFNxn8mDhVBSgWe
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목적
디지털 트윈 통합의 시각화 층 프로토타입(Bmaps 웹 트윈 가정). 의미·기록은 IFC(bim_export), 시간축은 VLM 패키지, 여기서는 웹 렌더용 파생 뷰만 만든다.
설계 (docs/digital_twin_integration.md)
"IFC냐 FBX냐"가 아니라 3층 분리 + GlobalId 결합:
변경
insar/gltf_export.py: H5 →.glb(POSITION+COLOR_0 POINTS) +.glb.meta.json.element_globalid결합 슬롯(--bim-align 이 채움) + georef 원점 + 범례.--export-gltf H5,OUT [--gltf-value] [--gltf-fram] [--gltf-z-exaggerate]docs/digital_twin_integration.md: 포맷 전략 설계 노트.검증
.glb생성 → pygltflib 정식 파싱 OK.다음
IFC 4.3 부재 매칭 시 GlobalId 채우기 → glb 사이드카 자동 결합 → Bmaps 웹뷰어(Cesium)에서 라이브 데이터 오버레이.
🤖 Generated with Claude Code