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Rapid BIM model construction method based on national power grid GIM standard

A construction method and model technology, which is applied in the field of rapid construction of BIM models based on the State Grid GIM standard, and can solve problems such as restricting the promotion and use of GIM standards

Pending Publication Date: 2021-10-22
POWERCHINA HUADONG ENG COPORATION LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus limiting the promotion and use of the GIM standard in the market

Method used

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  • Rapid BIM model construction method based on national power grid GIM standard
  • Rapid BIM model construction method based on national power grid GIM standard
  • Rapid BIM model construction method based on national power grid GIM standard

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In this embodiment, the shunt reactor model is taken as an example, and the rapid construction of the shunt reactor BIM model is realized based on the GIM standard of the State Grid. According to the schematic flow diagram of the present invention, as shown in figure 1 shown, including the following steps:

[0024] Step S1, GIM file analysis: the GIM file is compressed from a text file. First, it is ne...

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Abstract

The invention relates to a BIM (Building Information Modeling) rapid construction method based on a national power grid GIM (Geographic Information Modeling) standard. The problem that a GIM file cannot be directly imported into BIM software for application is solved. The method comprises the following steps: S1, analyzing a GIM file based on the GIM standard of the State Grid of China, and extracting attribute parameters, hierarchical structure relationships and primitive geometric parameters of the GIM file; S2, on the basis of the extracted primitive geometric parameters, calling a BIM software API (Application Program Interface) to construct a BIM physical model; S3, performing hierarchical structure construction on the constructed BIM physical model based on the extracted hierarchical structure relationships; and S4, mapping the extracted device and component attributes to a device and component unit model constructed in the step S3, thereby constructing a BIM model meeting the GIM interaction specification of the State Grid of China. The method can be widely applied to the analysis and construction process of each piece of BIM software and three-dimensional graph rendering software on the GIM equipment file.

Description

technical field [0001] The invention relates to a rapid construction method of a BIM model, in particular to a rapid construction method of a BIM model based on the GIM standard of the State Grid. Background technique [0002] GIM file is a standardized 3D model format. It is a custom 3D model interactive format developed by State Grid in order to solve the problem that 3D models cannot be exchanged in different BIM software, resulting in the loss of geometry and attribute information. It is similar to IFC files. Format. [0003] The GIM standard is a 3D model format standard officially released by the State Grid in 2019 for the field of power transmission and transformation engineering. The GIM standard defines various entities, entity attributes, and associations between entities in the field of power transmission and transformation engineering equipment, and provides a standard for data expression and exchange for the establishment of BIM oriented to the entire life cycl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/13G06F30/20
CPCG06F30/13G06F30/20
Inventor 张业星胡婷赵杏英陈沉余勇飞汪洋徐灵慧林武李凌翔
Owner POWERCHINA HUADONG ENG COPORATION LTD
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