“…The decision-makers can get the latest and most accurate information in the shortest time to make a quick judgment of future events and take appropriate countermeasures. In this way, it not only expresses the VR's three-dimensional scene of reservoir project intuitively and visually, but also shows the GIS's strong functions of spatial data storage, analysis, and threedimensional terrain analysis to realize the integration of "Visualization" and "Calculation" [2].…”