The World Modeler : the nexus between Janus and Battlefield Distributed Simulation-Developmental
Johnson, Matthew A.
Pratt, David R.
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The United States Army has two disparate combat models; Janus and Battlefield Distributed Simulation-Developmental (BDS-D). Both facilitate training, tactical development and weapons analysis. The major problem addressed by this research is that entities existing in the Janus Combat Modeler cannot interact with entities in BDS-D. If interaction is made possible, it would produce a synergy between the combined models, each model bringing advantages to the other. The approach taken was first to identify the differences between the two environments of Janus and BDS-D. Next, a software architecture was developed to store and manipulate data about both simulations. A communications architecture was created to allow data flow between the two environments. Finally, algorithms were developed to allow for interaction between Janus and BDS-D entities. The result was to integrate Janus, a two dimensional, constructive combat model, into the three dimensional, entity-level virtual battlefield of BDS-D. Janus entities interact in real time with other entities in the BDS-D virtual world. The finished product, the World Modeler, is a software system operating on a low-end Silicon Graphics workstation with TCP/IP and UDP/IP networking capabilities.
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