Abstract
With the help of GIS, Terra Vista and MultiGen Creator platform, this paper achieves the digitalization of high precision dam, reservoir area and flood. Using DEM technology to simulate flood evolution, it analyzes flood inundation process and possible disaster area, and combines material reserve, traffic situation, and possible refuge path, and uses GIS geographic information to seek the best withdrawal. The path provides a scientific analysis way for the scientific decision of dam disaster response.
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