Large-area three-dimensional slope stability modeling method based on GIS

The invention relates to the technical field of landslide prevention and control, in particular to a GIS-based large-area three-dimensional slope stability modeling method, which comprises the following steps: S1, inputting data; s2, an r.slope.stability model is established, and an r.slope.stability model is established; s3, testing the number of the ellipsoids; s4, solving the problems of computer memory and operation time; s5, parameterizing the model; s6, result verification and model visualization are carried out; according to the technical scheme of the method, the calculation time and the model result of the three-dimensional slope stability model r.slope.stability based on the GIS are optimized, the safety coefficient and the slope instability probability are calculated, and the time required for large-area slope stability modeling is greatly shortened. 本发明涉及滑坡防治技术领域，具体涉及一种基于GIS的大面积三维边坡稳定性建模方法，包括如下步骤：S1数据输入；S2：建立r.slope.stability模型；S3:椭球体数量测试；S4：解决计算机内存与运算时间问题；S5:模型参数化；S6：结果验证以及模型可视化；采用上述方法的技术方案通过对基于G