Research on Three-Dimensional Slope Modeling Based on GIS and Unmanned Aerial Photography Technology
A three-dimensional modeling method for slopes based on Geographic Information System(GIS)and unmanned aerial photography technology is proposed in order to achieve high-precision restora-tion of surface texture and spatial undulations.The terrain and landform model is constructed using un-manned aerial photography and measurement techniques,and the stratigraphic model is established using GIS technology,thereby obtaining a high-precision three-dimensional model.In a certain section of a high-way project,this method is applied to establish a slope three-dimensional model consisting of surface,stra-tigraphy,and underground mineral components.The results indicate that the slope three-dimensional model established using this method has the advantages of high accuracy and good visualization,and can accurately reflect the true conditions of the slope.
Geographic Information System(GIS)unmanned aerial photography technologyslope three-dimensional modelling
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