Opengl-based Visual Simulation Of Lunar Probe

With the fast development of computer graphic technology and virtual reality technology, three dimension visualization technology has gained a vast range of application in many different fields, by displaying the simulation process and results in 3D realtime graphics interactively, user can understand the simulation comprehensively and intuitively, experts in different fields can also understand and communicate with each other more easily.In this thesis, we combine the simulation of moon exploration probe with the 3D visualization technology, to design a OpenGL based moon exploration probe simulation and visualization system. This system can simulate different moon exploration scenarios, and visualize the process directly. The main research efforts made and the results get can be summarized as follows:1. Expatiated the basic theory of moon exploration probe orbit dynamics, analysed the orbit characteristic of two-body problem and induced the moon exploration orbit property.2. Introduced the principle of OpenGL, particularly analyzed the key technology of visualization in the simulation system. Many graphics display technology was utilized to enhance the simulation reality. OpenGL double-buffering technology was used to implement animation.3. Constructed and developed the moon exploration probe simulation and visualization system. Different approach was tried to build the system, the OpenGL style modeling and visualization method was used. A literally feasible software development environment was built. Many graphic algorithm was devised to alleviate the tension between realtime and reality.4. Adopted the object oriented design method, many virtual entity in the simulation system was encapsuled as class. Thus enhanced the maintainability and extensibility of the system.5. Visualized the space probe, celestial body, starfield, atmosphere effect, probe fly orbit in inertial coordinate, probe orbit in earth fixed coordinate, substar orbit, control station, and probe covering range. Implemented a friendly user interface.This moon exploration probe simulation and visualization system, can not only...