Proceedings of the International Conference on Computer Graphics Theory and Applications 2012
DOI: 10.5220/0003851501430150
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Reverse Subdivision for Optimizing Visibility Tests

Abstract: Certain applications require knowledge of whether two entities are visible to each other over a terrain, determined using a line-of-sight computation. Several fast algorithms exist for terrain line-of-sight computations. However, performing numerous line-of-sight computations, particularly over a large terrain data set, can be highly resource-intensive (in run time and/or memory). Methods from the field of terrain simplification can be used to reduce the resource impact of the visibility algorithms. To take ad… Show more

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