Study of Forest Surface -fire Spread Simulation Based on DEM

摘要

This paper uses the McArthur forest fire spread model, takes Visual C++ and OpenGL(Open Graphics Library) development kit, and experiments on the region of the Zhejiang Province Linan by using this city 1: 50000 DEM(Digital Elevation Model) data, investigations data of forest resources, unifies the real-time meteorological data, and researches the method of forest-fire spread simulation based on the 3D(three-dimension), which studies Forest fire production and the spread simulator method with its related algorithm in emphasis. The paper takes the forest fire production and spread method as the foundation to propose and design six algorithms to successively simulate the forest fire spread. Respectively: The fire that spreads in different directions algorithm, distributed fire points algorithm, scene of a fire region computation algorithm, mapping fire particle algorithm, flame production algorithm, and billboard technology application algorithm.