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Development and Evaluation of a Deterministic Pipeline for Reconstructing IFC into Revit Native Models

IFC 기반 Revit 네이티브 모델의 결정론적 재구성 파이프라인 개발 및 평가

Eun-Cheol Choi1
,
Jang-Woon Baek2*
최 은철1
,
백 장운2*
1Graduate Student, Department of Architectural Engineering, Kyung Hee University, Yongin, 17104, Rep. of Korea
2Professor, Department of Architectural Engineering, Kyung Hee University, Yongin, 17104, Rep. of Korea
1경희대학교 건축공학과 석사과정
2경희대학교 건축공학과 교수
*Corresponding Author
31 July 2026. pp. 174-186
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Abstract

In BIM interoperability, the forward exchange (authoring tool to IFC) has matured, but the reverse path — restoring IFC back into editable native objects — is broken. When IFC produced by a heterogeneous authoring tool is imported into Revit, the outcome is an unpredictable mix (some elements become native while type, material, and relational semantics and the original placement are lost), and no processing report is provided, so the recipient must inspect and repair elements one by one, breaking cross-tool BIM workflows. This paper argues that such reverse reconstruction can be achieved in a deterministic, reproducible, and editable manner. We propose a four-stage deterministic pipeline (Parse–Generate–Execute–Verify) that reconstructs IFC into Revit native objects. Generation is category-template-based, guaranteeing identical output for identical input. Large language models (LLMs) and the Model Context Protocol (MCP) were used to develop the method and to query and verify reconstruction results at the element level. Reconstruction quality was evaluated with a geometry–semantics–editability rubric (L1–L3) under two references: versus the original native model and versus the IFC input. Across 12 models originating from Revit and ArchiCAD, the reconstructed results were native objects that passed every applicable edit of the editability test in all models and, unlike the built-in importer, were reconstructed predictably, completely, and semantically faithfully (82.3% on average versus native, with an advantage in semantic fidelity over the built-in importer); independent reconstruction of the same IFC in Revit 2024 and 2027 was identical, deterministically supporting cross-version transfer. Within the scope of our literature review, this is, to our knowledge, the first attempt to reconstruct IFC from more than one authoring tool within a defined category scope through a single deterministic pipeline and to evaluate it quantitatively under two references.

Keywords
IFC
Revit
native reconstruction
BIM interoperability
cross-tool reconstruction

BIM 상호운용에서 저작도구로부터 IFC로 내보내는 정방향 교환은 발전해 왔으나, IFC를 편집 가능한 네이티브 객체로 되돌리는 역방향 경로는 여전히 불완전하다. 이종 저작도구의 IFC를 Revit으로 가져오면 결과가 예측 불가하게 혼재하고 의미·배치가 소실되며 처리 내역도 보고되지 않아, 이종 저작도구 간 협업이 단절된다. 본 연구는 이 역방향 재구성이 결정론적·재현 가능·편집 가능하게 달성될 수 있음을 주장하며, IFC를 Revit 네이티브 객체로 재구성하는 4단계 결정론적 파이프라인(Parse–Generate–Execute–Verify)을 제안한다. 생성은 카테고리별 템플릿 기반이어서 동일 입력에 동일 출력을 보장하고, LLM·MCP는 방법 개발과 부재 단위 검증에 활용되었다. Revit·ArchiCAD 유래 12개 모델에서 재구성 결과는 전 모델의 적용 가능한 편집을 통과하는 네이티브 객체였으며, 내장 가져오기 대비 예측 가능·완전·의미 충실하게 재구성됨을 보였다(원본 대비 평균 82.3 %). 동일 IFC를 Revit 2024·2027에서 독립 재구성한 결과는 완전히 동일했고 버전 간 이전을 결정론적으로 뒷받침한다.

키워드
IFC
Revit
네이티브 재구성
BIM 상호운용성
이종 저작도구 간 재구성
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Information
  • Publisher :Korea Protective Facility Institute
  • Publisher(Ko) :한국방호시설학회
  • Journal Title :Protective Facility
  • Journal Title(Ko) :방호시설
  • Volume : 3
  • No :3
  • Pages :174-186
  • Received Date : 2026-07-01
  • Revised Date : 2026-07-19
  • Accepted Date : 2026-07-20
  • DOI :https://doi.org/10.23310/PF.2026.3.3.174
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