While there has been much attention paid lately to the field of Modeling and Simulation as a general tool to be used in specific and well-founded application areas, little has been done to address those broad technology areas that enable such application-oriented simulations to be more easily constructed, run and analyzed. This paper deals with the wide variety of research issues in simulation science being addressed by Government, academia and industry, and their application to the military domain; specifically, to the problems of the Intelligence analyst
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ABSTRACTThe h m c h y a f models, as a conceptual framework, is a sound idea. The ultimate plan is for models and simulat~om at the various levels in the hierarchy to be able to be reused and interconnected with models and simulations at otheir levels in the hierarchy. The idea stem from their very natural desire to increase the accuracy in these higher-Ievel simulations by mcorporating the accuracy of the detailed models. Most efforts to date that -endeavored to increase realism have done so by coupling existing detailed codes; ah0 known as "model integration"A better approach would involve connecting the detailed code(s) with the aggregate simulation, but rather capturing the essence of the detailed codes into a form compatible w i t h the ,%ggregate simulation (in terms of level of complexity), and c o m e t that version. T~I S is the field of research called Model Absiraction, whch promises to dramatically improve large-scale simulation accmacy without cost to execution time.
The coupling of Java3D and applet technologies has the potential to revolutionize web-based simulation visualization.Applets can enable the dynamic and distributed instantiation and elimination of viewers that until now was not possible. A visualizer based on these technologies is under development at the Air Force Research Laboratory's Information Directorate. Unlike existing visualizers that must be running at the simulation's start time, this tool allows users to come and go as they please -effectively allowing one to peer into the state of a simulation at a place, perspective, and time that is of specific interest to them.Intense 3D graphics have been difficult to program and distribute among heterogeneous environments until the inception of Java3D. Sun Microsystems' Java3D provides users the best acceleration their platform can support while the WWW provides the transmission and communication infrastructure. This paper discusses a government owned, browser-based simulation visualizer capable of displaying simulated entities to any number of distributed sites.
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