| Visual Simulation support flat is interactive immersion environment which based on computable information. Interaction between user and the environment is realized, and users can feel himself be personally in a interactive Simulation environment. Visual Simulation is most important manifestation of virtual reality technology.Distributed Interactive Simulation can make people interact with dummy environment and can connect emluators of different place throught Local Area Network(LAN) and Wide Area Network(WAN). It adopts corresponded consistent structure, standard, protocol and database. It is integration and application based on computer technology, real time graphics and image management technology, simulation technology and system project technology. Objects of different geographical place and computer-builded scene can be joined as a whole through computer network technology, and form coupling vision compound environment.This paper researches deeply on the issue of real time build of visual and mutual-operation between visual subsystem and control simulation subsystem.At the same time it studies the thinking of high level architecture(HLA)and analyses 3D object movement control mechanism. This paper also research on the execution theory of OpenGL, generation of terrain, generation of sceneand synchronization control of movement, applying object-oriented programming technology, translate and edit technology, network communication technology and multithreading technology. This paper brings forward a network flat of real time interactive visual simulation.This paper includes 7 chapters. Chapter 1 summarize development and actuality of visual simulation; Chapter 2 analyses the technique of the creation and display of 3D scene; Chapter 3 introduces the idea of high level architecture; Chapter 4 introduces the idea of design the frame; Chapter 5 introduces the key technique of visual support system; Chapter 6 shows a example of system; Chapter 7 has a summary of the paper.
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