Abstract
In view of the fact that most of the existing building information modeling (BIM) platforms are based on the Client/Server (C/S) mode of client-side applications, which brings about problems such as weak data interoperability, poor model semantic integrity and bad user-friendliness, this paper proposed an IFC-JSON and IFC-glTF model file format conversion process based on WebGL and an improved Draco algorithm that can further lighten glTF files. The experimental results showed that this option can effectively reduce data redundancy, then combined IoT (Internet of Things) as well as sensor technology in project practice to collect and transmit building-related O&M data, and finally visualised the equipment status of the building on the Web based on WebGL technology, providing a new application way for the combination of BIM technology and IOT technology in the browser/server mode.
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