Citation: Ruzhen Wang, Qingguo Wang. Research on Modeling Method of Precise Placement of Family Components Based on Dynamo. Journal of Information Technologyin Civil Engineering and Architecture, 2023, 15(3): 27-32. doi: 10.16670/j.cnki.cn11-5823/tu.2023.03.05
2023, 15(3): 27-32. doi: 10.16670/j.cnki.cn11-5823/tu.2023.03.05
Research on Modeling Method of Precise Placement of Family Components Based on Dynamo
Collage of Automotive and Traffic Engineering, Wuhan University of Science and Technology, Wuhan 430081, China |
The common method discrete placement of "families" along road and bridge in the process of BIM modeling always leads to the low automation level, high production cost, less positioning accuracy and large positioning deviation of family members. This paper proposes a new BIM intelligent modeling method on the basis of the Dynamo visual programming platform for accurate positioning and placement of family members driven by data. In order to realize the precise positioning and placement of the nested family of the adaptive conventional model, the paper carries out the parameter data processing and local coordinate system modification by functioning the rotating placement program of the adaptive nested family. Taking the construction and placement of adaptive nested family of street lamps and guardrail in a bridge project as an example, its results prove that the automatic placement modeling method established in this paper can effectively avoid manual placement errors and improve placement accuracy compared with the manual modeling method. The average running time of the program under the automatic placement modeling method is reduced by about 60% in contrast with the traditional parity column classification modeling process, which can promote the wide application of accurate placement of family in the process of BIM automatic modeling, and accelerate the BIM construction in linear engineering fields, e.g., road and bridge.
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