The airborne cockpit display system realizes airborne data visualization and human-computer interaction, and is one of the core systems of modern integrated avionics systems. Aiming at the defects of low reuse rate, poor inheritance and inability to reconstruct, the simulation software of airborne cockpit display system proposed a graph generation modeling theory of display and control system based on abstract factory pattern. By classifying and classifying the graphics library, it was established. Display processing model for text, basic graphics, and complex graphics. The graphics model development library and graphics generation component development architecture are implemented by OpenGL technology. This method is used to quickly build a certain aircraft cockpit display system. Experiments show that the method realizes the general development technology of display system and graphic display reconstruction technology.
GL Studio cannot display Chinese characters during developing the airborne MFD, this paper propose a method of establishing a Chinese character font with GB2312 encoding, establish the font table and the display unit of Chinese characters based on GL Studio. Abstract the storage and display data model of Chinese characters, parse the GB encoding of the corresponding Chinese characters that MFD received, find the coordinates of the Chinese characters in the font table, establish the dynamic control model and the dynamic display model of Chinese characters based on the display unit of Chinese characters. In GL Studio and VC ++.NET environment, this model has been successfully applied to develop the airborne MFD in a variety of mission simulators. This method has successfully solved the problem that GL Studio software cannot develop MFD software of Chinese domestic aircraft and can also be used for other professional airborne MFD development tools such as IDATA. It has been proved by experiments that this is a fast effective scalable and reconfigurable method of developing both actual equipment and simulators.
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