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Paper w78-2005-d4-1-nour:
Manipulating IFC model data in conjunction with CAD

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M Nour & K Beucke

Manipulating IFC model data in conjunction with CAD

Abstract: The IFC model is used as a means of information exchange between AEC software applications. Currently, workflow aspects based upon IFC models still reside in a gray area between applications. This paper reports ongoing research work on a new approach that uses an online dynamic continually updated construction product data source for IFC based Building Information Models (BIMs). It focuses on different algorithms for parsing, interpreting and writing STEP ISO 10303 P-21 files. In between these stages various instantiation, deletion and updating process on the IFC model take place. The paper also investigates the ability of current software applications to work on the IFC model in a sequential order and points out some workflow management problems that were encountered during this process.

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