This paper describes the algorithm of fractal Brownian motion and Random Midpoint Displacement based on fBm, gives the details of the algorithm and program and simulates that the ridge and the mountain on Delphi7 and OpenGL.

• 该文主要描述了基于分形技术的分形布朗运动fBm以及在此基础上提出的随机中点位移法,给出了算法的实现细节和程序实现的细节,并且在Delphi7和OpenGL环境下运用上述方法实现了对山脊和山脉的仿真。