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提出了一种简单易行的计算显示数据接口,在流域三维模拟仿真中,在保持真实性基础上,还有良好的实时性和交互性。采用调整显示时间间隔和插值处理的方法解决计算速度问题,显示系统采用C++平台集成,后台数学模型由Fortran语言编写,两者之间运用管道传输与事件触发机制实现数据传输,在PC机上实现了数模计算与虚拟仿真相结合的实时交互功能,并以都江堰工程为例说明了具体实现方法。在流域三维仿真系统实时性和交互性设计方面取得了进展。
A simple and easy calculation and display data interface is proposed. In the three-dimensional simulation of watershed, it has good real-time and interactivity while maintaining its authenticity. The method of adjusting the display time interval and the interpolation is used to solve the calculation speed problem. The display system is integrated by C ++ platform, the background mathematical model is written by Fortran language, and the data transmission is realized by pipeline transmission and event triggering mechanism. The real-time interactive function combining digital-analogue computing and virtual simulation is illustrated. The concrete realization method is given by taking Dujiangyan Project as an example. Progress has been made in the real-time and interactivity design of three-dimensional river basin simulation system.