Abstract
Geographic information data is the basis of power transmission line design. The topography and topography of the survey area and the distribution of trees, houses, roads, rivers and other features directly affect the route direction of the line. How to quickly and efficiently acquire large-scale and high-precision geographic information data has always been the focus of power transmission line design research. This paper presents a method of fitting aerial survey data, satellite images, geographic contour lines and other multi-source geographic information data. It can be used to determine and optimize the route plan in the feasibility study and preliminary design stage to improve the work efficiency.
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