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A novel approach to generate virtual building interiors in real-time is presented. The interiors are generated in a top-down fashion using architectural guidelines. Although a building interior in its entirety may be quite large, only the portions that are needed immediately are generated. This lazy generation scheme allows the use of only a fraction of the(More)
Impenetrable doors are often quite common in virtual worlds. This is especially apparent in video games boasting large urban environments. Although there are often enterable buildings in these games, the vast majority of the buildings cannot be entered. Given limited development times and memory limitations, it is infeasible for developers to create such a(More)
The Joint Planning and Development Office (JPDO) has responsibility for guiding development of the Next Generation Air Transportation System (NextGen), a multi-agency vision for aviation in the 2025 timeframe. Using 2004 as a baseline, the JPDO has projected a range of 1.4 to 3 times the number of flights as the potential aggregate demand for 2025, and in(More)
The present study was carried out on the basis of the question of "whether it is possible to use mathematical methods meaningfully for the evaluation of the environmental effects of chemicals." The analysis of the evaluation process showed that this may be considered as a relation between the set of test data and a target set, that of the danger classes.(More)
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