Three-dimensional (3D) electric power line model building method and building device

A technology of power lines and construction methods, applied in 3D modeling, electrical digital data processing, image data processing, etc., can solve problems such as poor flexibility in configuration of line models, achieve improved flexibility, improved modeling efficiency, and high degree of simulation Effect

Inactive Publication Date: 2013-05-08
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

[0009] Based on this, it is necessary to provide a 3D power line model construction method that can improve the configuration flexibility for the problem of poor configuration flexibility of the power line model in the prior art
[0010]...

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  • Three-dimensional (3D) electric power line model building method and building device
  • Three-dimensional (3D) electric power line model building method and building device

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Embodiment Construction

[0063] The following describes in detail the technical solution of the three-dimensional power line model construction method and construction device in conjunction with specific embodiments and drawings, so as to make it more clear.

[0064] like figure 1 As shown, in one embodiment, a method for building a three-dimensional power line model includes the following steps:

[0065] Step S110, establishing a three-dimensional virtual geographical scene according to the terrain data and image data.

[0066] In this embodiment, the terrain data is DEM (Digital Elevation Model, digital elevation model) terrain data. DEM is a solid ground model that expresses ground elevation in the form of a set of ordered numerical arrays, and is a branch of Digital Terrain Model (DTM), from which various other terrain feature values ​​can be derived. It is generally believed that DTM describes the spatial distribution of various geomorphic factors including elevation, such as slope, slope aspec...

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Abstract

A three-dimensional (3D) electric power line model building method includes that a 3D virtual geographic scene is established according to topographic data and image data; an electric power pole-tower model and other electric transmission equipment models are established; electric transmission line structural data are obtained, and the position and the direction of an electric power pole-tower are determined according to the electric transmission line structural data; the electric power pole-tower model and the other electric transmission equipment models are uploaded into the 3D virtual geographic scene; and a 3D electric power line model is established according to the electric transmission line structural data and the position of the electric power pole-tower in the 3D virtual geographic scene, and the sag degree of an electric transmission line is calibrated. According to the 3D electric power line model building method and a building device, the 3D electric power line model is applicable for different 3D virtual geographic scenes, the flexibility of the 3D electric power line model configuration is improved, the electric power line model is high in biofidelity, manual modeling of the electric transmission line is not required, and modeling efficiency is improved.

Description

technical field [0001] The invention relates to the field of three-dimensional geographic information system data visualization, in particular to a method and device for constructing a three-dimensional power line model. Background technique [0002] The 3D geographic information system is based on the traditional geographic information system technology, with the virtual reality of the real 3D scene, which has the characteristics of intuition, reality, visibility and efficiency, and has been widely used in digital cities and other fields. At the same time, with the continuous expansion of the grid scale, the power equipment data and other information to be managed by the power company has doubled. Scientific and effective management of these growing information has become an urgent problem for grid managers. Therefore, efficient visualization and effective management of electric power models have become an important function of 3D GIS. Because transmission lines generally ...

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Application Information

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IPC IPC(8): G06F17/50G06T17/00
Inventor 张宝运李晓明胡金星简志坚李微微
Owner SHENZHEN INST OF ADVANCED TECH
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