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针对分布式作战模拟系统,基于内存数据库Berkeley DB,提出了一种地形战场环境系统的设计方法。综合介绍了地形环境属性模型、交互作用模型的建模方法,包括数字高程DEM的分块存储研究、矢量特征数据表达方法(以弹坑、雷场和道路为例)、任意方向坡度算法、通视性算法及动态地形环境的表达方法。采用主从分布式结构,以本地数据库和动态环境仿真服务器相结合的方式构建战场环境系统,并对HLA/RTI网络中的消息机制做了规定。
For distributed combat simulation system, based on the memory database Berkeley DB, a terrain battlefield environment system design method is proposed. This paper introduces the terrain environment attribute model and the modeling method of interaction model, including the block storage of digital elevation DEM, the expression of vector characteristic data (taking crater, minefield and road as examples), arbitrary direction gradient algorithm, Sex Algorithm and Dynamic Terrain Environment. The master-slave distributed architecture is adopted to build a battlefield environment system by combining the local database with the dynamic environment simulation server. The mechanism of the message in the HLA / RTI network is defined.