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为解决大地景仿真时显示逼真度与画面流畅度相互制约的问题,对基于地形生成系统(creator terrain system,CTS)的大地景仿真进行参数优化设计。结合某型飞机飞行仿真系统研制实例,分析地形纹理和地形模型的生成原理,给出其参数设置,重点研究重要参数对纹理和地形生成的影响。仿真结果表明,该设计能有效解决地景逼真度与流畅度互相制约的难点。
In order to solve the problem that fidelity of real-time display of landscape simulation and the fluentness of images are mutually restricted, the parameter optimization design of the terrain simulation based on terrain generation system (CTS) is carried out. Combining the development examples of a certain type of aircraft flight simulation system, the generation principle of terrain texture and terrain model is analyzed. The parameter setting is given, and the influence of important parameters on texture and terrain generation is emphasized. The simulation results show that the design can effectively solve the difficulty of mutual restraint between the fidelity and fluency of the landscape.