Abstract. During the last decade, low-cost computer and graphics hardware has reached, and in many areas surpassed, the capabilities of expensive, dedicated high-end systems. The video game industry has been aggressively exploiting the growing capacity of PC hardware in order to develop richer and more interactive 3D environments for entertainment. By exploiting these developments, PC-based military and civil simulators form a financially viable and effective solution for many areas of training and readiness management. The adoption of technology and programming techniques used for games development can substantially enhance the efficiency of 3D graphical interfaces, without the historical hardware burden on central processing units (CPUs). A case study is presented in this paper where a number of graphics methodologies and optimization techniques were applied during the development of the Air Defence Ground Environment Simulator (ADGESIM) for the Royal Australian Air Force (RAAF). One of the benefits of the introduction of this technology into the C3I domain has been improved software application efficiency, with concomitant effects on its use. Overall, this approach has led to the delivery of powerful graphical user interfaces and better real time data processing performance. Greater functional complexity and versatility, coupled with improved performance, have brought increased end user productivity. This paper explores the advancement of lowcost simulation by leveraging existing game programming approaches and emerging technologies. 1
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