A Pilot Study for a 3D Scanning to VR Workflow for Building Spaces: Exploring Possibilities Through the Use of Different Scanning Hardware

Shaping a more efficient scan-to-BIM (Building Information Modeling) workflow has been an ongoing goal in the Architecture, Engineering, Construction, and Facility Management (AEC/FM) domains. We propose an innovative workflow which processes raw 3D scanning data of a building into usable 3D models for virtual environments that can be directly utilized in VR environments for automating a part of the 3D process. In this case study, two devices with several accompanied tools were explored, namely a high-end laser scanner and a low-cost LiDAR-integrated Tablet. Both hardware solutions differ in accuracy, reach and portability. For reconstruction, we chose a renovated 1800 m2 building, part of the University of Antwerp city campus. This location consists of reference spaces such as offices, classrooms, multifunctional rooms, auditoria, hallways, and stairs. Scanning larger workspace areas bring multiple challenges that are best considered beforehand. In this article, the advantages and disadvantages of both scanning techniques will be compared. On top of this, we will give an overview of the challenges and how to proceed them. Finally, the integration of the 3D scan into the VR workflow will be discussed. Dependencies are textures, file size, reduction capabilities, export configurations and plug-in compatibility. As a result, this case study is the constructional basis for workflows in the industry.