Journal of the Computational Structural Engineering Institute of Korea (한국전산구조공학회논문집)

Computational Structural Engineering Institute of Korea (한국전산구조공학회)
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Study on AR/VR Model Generation Techniques Using Piping Isometric Drawing Files

배관 ISO도면 파일 기반 AR/VR모델 생성 기법 연구

  • Lee, Jung-Min (Research Institute for Industrial Science and Technology, Inha University) ;
  • Lee, Kyung-Ho (Naval Architecture and Ocean Engineering, Inha University) ;
  • Kim, Yang-Ouk (Naval Architecture and Ocean Engineering, Inha University) ;
  • Han, Young-Soo (Naval Architecture and Ocean Engineering, Inha University)
  • 이정민 (인하대학교 산업과학기술연구소) ;
  • 이경호 (인하대학교 조선해양공학과) ;
  • 김양욱 (인하대학교 조선해양공학과 대학원) ;
  • 한영수 (인하대학교 조선해양공학과 대학원)
  • Received : 2020.10.28
  • Accepted : 2020.11.09
  • Published : 2021.02.28
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Abstract

This paper presents a method to generate three-dimensional AR/VR models using the information in Isogen data files (IDFs). An IDF is an output file produced by ISOGEN that contains piping isometric drawings. A piping isometric drawing is used for pipeline installation in the shipyard; therefore, the drawing describes assembly information with symbolic features, not with detailed geometric features. An IDF specifies relationships between piping routes and components with three-dimensional points and tag information as well as the bill of the materials of a pipeline. The key idea of this paper is that AR/VR models can be generated with the piping route points data and piping components tag information in real time, without any conversion of standard data exchange file formats, such as STP, IGES, and SAT. This paper describes IDF data structure and suggests the geometry generation process with IDF data and parametric functions.

본 논문에서는 배관의 ISO 도면 교환파일을 이용하여 AR/VR모델을 실시간으로 생성하는 방법을 소개한다. 도면 교환 파일 중에서 산업 표준으로 활용되는 IDF 파일을 분석했으며, 속성 정보의 추출과 함께 형상을 파라메트릭한 방법으로 정의하는 방법을 사용하였다. 이 방법을 통해서 파일 크기가 작은 도면 교환 파일을 사용함으로써 원거리 데이터 교환이 용이하면서도 형상과 속성을 모두 전달할 수 있는 효과를 가질 수가 있다. 이 과정에서 본 논문에서는 배관과 컴포넌트의 형상을 템플릿 형태로 정의해 놓았으며, 이를 통해 배관의 도면 교환 파일로부터 실시간으로 배관 형상을 생성함과 동시에 설계 정보와 함께 AR/VR모델로 가시화가 됨을 검증하였다.

Keywords

References

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