2013•Journal of Beijing Union UniversityRequires access

Toward the Three-Dimensional Dam-Break Flood Routing Visualization Simulation Based on GIS

Pan Li-w

Abstract

The principles and methods for flood routing visual simulation,which are based on the threedimensional geographical information system(3D-GIS) and the virtual reality technique,are presented.According to the numerical results of two-dimensional shallow-water equations,the detailed procedure of constructing the flood routing visualization model is analyzed.Further,some of the key techniques to implement 3D-GIS application are addressed.Finally,a three-dimensional visual simulation system for flood routing based on 3D-GIS is developed,which can provide rapid,intuitive image information of decision support for flood control and disaster mitigation.The system has been successfully applied in the related departments of the real world.

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Key concepts: Visualization, Flood myth, Routing (electronic design automation), Geographic information system, Computer science, Virtual reality, Key (lock), Data visualization