Abstract
This study describes the technical-systemic and conceptual-informative interoperability tests for the integration of a Historic Building Information Modeling (HBIM) model in a 3D Geographic Information System (GIS) environment aimed to provide complete and useful documentation for multiscale analyses on cultural heritage particularly exposed to risks. The case study of the San Lorenzo Church in Norcia (Italy) has been chosen given the urgent need to update the existing documentation for its protection and conservation issues, due to the extensive damage suffered after the series of earthquakes that occurred in central Italy starting from summer 2016. Different tests to evaluate two levels of conceptual interoperability (technical and semantic) when importing the HBIM model into a GIS environment were performed, whether with commercial software or with open source ones (ArcGIS Pro and QGIS, respectively). A data integration platform (Feature Manipulation Engine, FME) has been used for converting the IFC (Industry Foundation Classes) data format into the GML (Geography Markup Language) format, in order to obtain a unique and unified model and vocabulary for the 3D GIS project, structured with different levels of detail, according to CityGML standard. Finally, as HBIM-GIS integration is considered, the loss of geometric and informative data has been taken into account and evaluated.
Highlights
Within the AEC industry, the BIM (Building InformationModeling) approach represents an increasingly widespread as much as necessary methodology
Being an interactive data archive [1,2], these models contain geometric data and non-graphic information, such as materials, thermal characteristics, costs and maintenance instructions, they consist in the creation of a central informative and shared model, integrated among every project participant, and it is configured as a dynamic system helpful for the building’s facility management (FM)
Section 3), a methodology that considers the modeling phase according to the LoDs proposed by the CityGML standard and intended as “levels of detail” has been adopted
Summary
Within the AEC (architecture, engineering, construction) industry, the BIM (Building InformationModeling) approach represents an increasingly widespread as much as necessary methodology. Within the AEC (architecture, engineering, construction) industry, the BIM The use of a GIS (Geographic Information System) is well stated in the literature for its usefulness when managing territorial and urban data, with a variety of different purposes and professional figures involved. The integration between these two domains and the complementary nature of the information provided by each technology could, lead to have a new data flow and a highly detailed and holistic picture of a project.
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