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BIM comparison method

A model and component technology, applied in the field of BIM model comparison, can solve problems such as incompleteness, inaccurate comparison results, and difficult to understand, and achieve the effect of accurate comparison results and fast BIM model comparison.

Active Publication Date: 2020-04-10
盈嘉互联(北京)科技有限公司 +4
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to overcome the problems of inaccurate, incomplete, and difficult-to-understand comparison results of the existing BIM model comparison methods or at least partially solve the above problems, an embodiment of the present invention provides a BIM model comparison method

Method used

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Embodiment Construction

[0054] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0055] In one embodiment of the present invention, a method for comparing BIM models is provided, figure 1 It is a schematic diagram of the overall flow of the BIM model comparison method provided by the embodiment of the present invention, the method includes: S101, according to the geometric information of each component in the first BIM model a...

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Abstract

The embodiment of the invention provides a BIM model comparison method. The method comprises the steps that according to geometrical information of each component in BIM models of two versions of a building, obtaining the shape distribution of each component in the two BIM models, and according to the shape distribution of each component in the two BIM models, calculating the geometrical similarity of the components between the two BIM models; registering the coordinate systems of the two BIM models, and calculating the position similarity of the components between the two BIM models accordingto the position information of each component in the two BIM models after registration; and according to the geometric similarity and the position similarity of the components between the two BIM models, obtaining a component matching result between the two BIM models, and comparing the matched components to obtain a comparison result between the two BIM models. According to the embodiment of theinvention, the automatic comparison of the BIM is realized, so that the BIM comparison is faster, and the comparison result is more accurate.

Description

technical field [0001] The invention belongs to the technical field of building information models, and in particular relates to a BIM model comparison method. Background technique [0002] Building Information Modeling (Building Information Modelling, BIM) is based on 3D digital technology and integrates information at all stages of engineering project planning, design, construction and operation and maintenance. With the continuous acceleration of urban construction, BIM technology is more and more widely used in the whole life cycle of buildings, and more and more different versions of BIM models appear in each stage. Some of them are models modified due to changes in requirements, while others are due to different standards for BIM models of various participants. [0003] The differences between these different versions of the model cannot be directly observed by the human eye. In previous BIM model comparisons, the differences between different versions could only be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06T7/32G06T17/00
CPCG06T7/32G06T17/00G06T2207/10028G06T2210/04G06F18/22Y02P90/30
Inventor 周小平吴磊王佳
Owner 盈嘉互联(北京)科技有限公司
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