A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
BIMap: Plan Drawings as Tangible Interfaces for Building Information Models
Mobile BIM is an emerging trend in the architecture, engineering and construction (AEC) industry. The ubiquity of modern mobile devices allows users to access building information readily in the field using touchscreen interfaces, while built-in multi-sensors provide the ability for intuitive 3D navigation within the Building Information Model (BIM) environment. Despite the apparent advantages of universal access, the need to efficiently locate users in BIM environments and retrieve information they need in mobile contexts presents significant challenges. For jobsite workers, frequent touch manipulation, often wearing gloves, is challenging and inconvenient in on-site environments. Visual-sensor-based context-aware information computing offers a promising alternative to circumvent such issues. Taking advantage of omnipresent paper drawings in current on-site work practices, this research develops a mobile application, BIMap that utilizes physical plan drawings as Tangible User Interfaces for user localization in 3D BIM models. Through visual registration methods, various sections of drawings are identified as natural markers, containing corresponding BIM identification information such as drawing type, structure height, building floor, and CAD layer identifiers. The relationship between planar natural markers (i.e., drawings) and the planar device screen space is represented via a homography matrix. After this registration process, mobile users can readily localize themselves in BIM models by pointing out specific locations on plan drawings in the view of the mobile device’s camera. The feasibility of the proposed approach was evaluated through four case studies, representing BIM models of various scales.
BIMap: Plan Drawings as Tangible Interfaces for Building Information Models
Mobile BIM is an emerging trend in the architecture, engineering and construction (AEC) industry. The ubiquity of modern mobile devices allows users to access building information readily in the field using touchscreen interfaces, while built-in multi-sensors provide the ability for intuitive 3D navigation within the Building Information Model (BIM) environment. Despite the apparent advantages of universal access, the need to efficiently locate users in BIM environments and retrieve information they need in mobile contexts presents significant challenges. For jobsite workers, frequent touch manipulation, often wearing gloves, is challenging and inconvenient in on-site environments. Visual-sensor-based context-aware information computing offers a promising alternative to circumvent such issues. Taking advantage of omnipresent paper drawings in current on-site work practices, this research develops a mobile application, BIMap that utilizes physical plan drawings as Tangible User Interfaces for user localization in 3D BIM models. Through visual registration methods, various sections of drawings are identified as natural markers, containing corresponding BIM identification information such as drawing type, structure height, building floor, and CAD layer identifiers. The relationship between planar natural markers (i.e., drawings) and the planar device screen space is represented via a homography matrix. After this registration process, mobile users can readily localize themselves in BIM models by pointing out specific locations on plan drawings in the view of the mobile device’s camera. The feasibility of the proposed approach was evaluated through four case studies, representing BIM models of various scales.
BIMap: Plan Drawings as Tangible Interfaces for Building Information Models
Yang, Chao-Chung (author) / Kamat, Vineet R. (author) / Menassa, Carol C. (author)
Construction Research Congress 2016 ; 2016 ; San Juan, Puerto Rico
Construction Research Congress 2016 ; 2239-2249
2016-05-24
Conference paper
Electronic Resource
English
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