[논문]항만 IFC Viewing을 위한 형상 및 속성 정보 추출 방법에 관한 연구

김근호; 박남규; 주철범; 김성훈

doi:10.13161/kibim.2021.11.3.067

항만 IFC Viewing을 위한 형상 및 속성 정보 추출 방법에 관한 연구
A Study on the Method of Extracting Shape and Attribute Information for Port IFC Viewing 원문보기

Journal of KIBIM = 한국BIM학회논문집, v.11 no.3, 2021년, pp.67 - 74

김근호 ((주)태성에스엔아이 기술연구소) , 박남규 ((주)태성에스엔아이 기술연구소) , 주철범 ((주)태성에스엔아이 기술개발부) , 김성훈 ((주)태성에스엔아이)

Abstract ▼ AI-Helper

An IFC file is dependent on the IFC schema. Because of this relationship, most IFC-using software reads and interprets the IFC File by employing an early binding method, which uses a standard IFC schema. In the case of most open sources, early binding methods using standard IFC schema have a problem that they cannot express extra information of IFC File out of extended IFC schema. Also, in the case of previous studies, they suggested schema extension, such as adding attribute information to the schema, rather than the interpretation of IFC File. This study research on method of extracting shape and attribute information was conducted by analyzing the IFC File produced through the Port schema, which is an extended IFC schema. Three objects were created using the reference relationship between the Port schema definition and the IFC entity, and, at the end, the three objects were combined into one object. It has been confirmed that the shape and property data were express properly while delivering the combined object to the viewer. The process is possible because of the method of matching IFC schema and IFC File, which is dependent on IFC schema but not early binding method. However, this method has some drawbacks, such that contemporaneously generated many objects consume many memory spaces. Future research to investigate that issue further is needed.

주제어

표/그림 (19)

그림 Figure 1. Early binding example
표 Table 1. Research on IFC schema extention
그림 Figure 2. IfcSite entity definition
그림 Figure 3. Inheritance diagram of ifcSite entity
표 Table 2. Research on IFC file analysis and shape expression
그림 Figure 4. IFC entity object concept
그림 Figure 5. IFC entity object construction
그림 Figure 6. Relation object construction
그림 Figure 7. Property information object construction
그림 Figure 8. Axis2placement3D concept
표 Table 3. IfcAxis2Placement3D property information
표 Table 4. Ifccartesiantransformationoperator3D property Information
그림 Figure 9. Combination object construction
그림 Figure 10. Viewer system flowchart
그림 Figure 11. Solibri viewer
그림 Figure 12. BIMserver viewer
그림 Figure 13. Autodesk Online Viewer
그림 Figure 14. Output of shape and property information
그림 Figure 15. Output of property information

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원문보기 상세보기
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