Power transmission line path generation method based on spatial GIS (Geographic Information System)

Abstract

The invention discloses a power transmission line path generation method based on a spatial GIS (Geographic Information System). The power transmission line path generation method comprises the following steps: (1) loading a GIS map and inputting a starting point and a terminal point of a power transmission line; (2) giving weights to plots in the grid map by adopting an analytic hierarchy process in combination with GIS information; (3) calculating the optimal path of the power transmission line by utilizing a Dijkstra algorithm, and automatically generating statistical data on the line path length, the number of corners and the crossing condition with existing lines; and (4) carrying out on-site investigation and verification, and optimizing the line path in combination with satellite images of complex terrain of a region through which the path passes. The power transmission line path generation method disclosed by the invention completes the path generation in the design of the power transmission line by carrying out gridding treatment on the GIS and combining with the Dijkstra algorithm, and has the functions of path automatic generation, statistics of the path length and corner number, judgment on complex terrain of the line, and the like.

Description

technical field [0001] The invention relates to the technical field of power system transmission line design, in particular to a method for generating a transmission line path based on a GIS spatial geographic information system. Background technique [0002] At present, in the design of transmission lines, the path optimization is firstly selected by the designer indoors, and after the on-site survey, the path is readjusted to form the final path. However, the existing path optimization schemes have the following defects: [0003] 1. The degree of automation is low. The interior design of the traditional path is completed on paper maps. Since most of the maps are drawn for a long time, many of the changed contents cannot be reflected on the map in time. Therefore, the indoor route selection is sometimes inaccurate, and even the error is very large. Big. [0004] 2. The design cycle is long. Due to the lack of geographic information in the initial stage of the traditiona...

AI Technical Summary

Problems solved by technology

The interior design of the traditional path is completed on paper maps. Since most of the maps are drawn for a long time, many of the changed contents cannot be reflected on the map in time. Therefore, the indoor route selection is sometimes inaccurate, and even the error is very large. Big

[0004] 2. Long design cycle

In this way, the design cycle of the line path is longer, and it is difficult to meet the needs of power grid construction.

[0005] 3. Failing to consider the factors affecting the line path as a whole

However, it is unreasonable that the traditional path design method only considers the main factors without considering these influencing factors as a whole

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