Abstract
Transmission line route reflects the geospatial constraints on the grid. Environmental factors affecting the power transmission line route design are diverse and complex. This paper studies the method based on GIS (Geographic Information System) and Dijkstra algorithm. Establish environmental factors hierarchical model of transmission line route design using IAHP and gridded map and obtain each grid’s weight. Take into account weight of each grid’s environmental factors and number of the corner in order to build the branch weights of Dijkstra algorithm. After that the optimal route can be obtained using Dijkstra algorithm.
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