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Method for converting power grid information model GIM into point cloud

An information model and point cloud technology, applied in 3D modeling, image data processing, instruments, etc., can solve problems such as lack of common features, achieve a high degree of automation, and promote the effect of fusion applications

Active Publication Date: 2021-02-26
STATE GRID JIANGSU ELECTRIC POWER ENG CONSULTING CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Since GIM (Grid Information Model, grid information model) represents the 3D design model of the power transmission and transformation project, and the 3D laser point cloud model represents the real scene of the power transmission and transformation project, so the existing research often uses the GIM model and the 3D laser point cloud model To achieve quality control and progress monitoring of power transmission and transformation projects, and these applications often involve matching and comparison analysis between the GIM model and the 3D laser point cloud model, but because the data structures of the GIM model and the 3D laser point cloud model are different , lack of common features, so it is difficult to directly match or compare the two

Method used

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  • Method for converting power grid information model GIM into point cloud
  • Method for converting power grid information model GIM into point cloud
  • Method for converting power grid information model GIM into point cloud

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Embodiment

[0100] Such as figure 1 As shown, the method for converting the power grid information model GIM of this embodiment into a point cloud includes the following steps:

[0101] (1) Read the CBM file, DEV file, PHM file and FAM file in the GIM model step by step (the data structure of the GIM model is as follows figure 2 shown), to obtain the latitude and longitude, altitude, transformation matrix information and corresponding attribute information of equipment at all levels; step (1) includes the following steps (the process is as follows image 3 shown):

[0102] 1-1) Read the entry file "project.cbm", and obtain the first-level CBM file name in the entry file "project.cbm";

[0103] 1-2) Obtain all secondary CBM files under the primary CBM file, store them in the secondary CBM file queue, and read the FAM file to obtain attribute information;

[0104] 1-3) sequentially take out each secondary CBM file in the secondary CBM file queue, obtain all tertiary CBM files under it, ...

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Abstract

The invention discloses a method for converting a power grid information model GIM into point cloud, and the method comprises the steps: firstly reading CBM, DEV, PHM and FAM files in the GIM step bystep, and obtaining related information; analyzing the MOD and STL files to realize conversion from the MOD or STL model to the point cloud model; converting the obtained point cloud into the same reference coordinate system through longitude and latitude coordinates and transformation matrixes in CBM, DEV and PHM files in all levels of systems, constructing a complete engineering point cloud model, and storing the complete engineering point cloud model in a PCD point cloud file format; and finally, converting the PCD format point cloud file into TXT, XYZ, LAS and other format point cloud files. The method for displaying the power grid information model GIM in the point cloud form is provided, a data basis is provided for matching and comparative analysis between the GIM model and the three-dimensional laser point cloud model, and fusion application of the BIM technology and the three-dimensional laser point cloud technology in the field of power transmission and transformation engineering construction is promoted.

Description

technical field [0001] The invention relates to the field of three-dimensional model visualization of power transmission and transformation engineering, in particular to a method for converting a power grid information model GIM into a point cloud. Background technique [0002] In order to meet the needs of 3D design of power transmission and transformation projects, unify the model framework and data interaction format, and realize data sharing throughout the project life cycle, the existing 3D design model interaction specifications for power transmission and transformation projects stipulate that the 3D model of power transmission and transformation projects in the design stage The file structure, storage structure and other data interaction requirements are applicable to the 3D design of power transmission and transformation projects with voltage levels of 110 (66) kV and above. Under this specification, the standard format of the 3D design model for power transmission a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T19/20G06F16/11G06Q50/06
CPCG06T17/00G06T19/20G06F16/116G06Q50/06Y04S10/50
Inventor 杜长青陈兵俞越中孙铭泽袁星陈锋王子涵
Owner STATE GRID JIANGSU ELECTRIC POWER ENG CONSULTING CO LTD
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