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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Good-visibility computation using graphics hardwareMadern Leandro, Narcís 08 October 2010 (has links)
Aquesta tesi tracta del disseny, implementació i discussió d'algoritmes per resoldre problemes de visibilitat i bona-visibilitat utilitzant el hardware gràfic de l'ordinador. Concretament, s'obté una discretització dels mapes de multi-visibilitat i bona-visibilitat a partir d'un conjunt d'objectes de visió i un conjunt d'obstacles. Aquests algoritmes són útils tant per fer càlculs en dues dimensions com en tres dimensions. Fins i tot ens permeten calcular-los sobre terrenys. / In this thesis we design, implement and discuss algorithms that run in the graphics hardware for solving visibility and good-visibility problems. In particular, we compute a discretization of the multi-visibility and good-visibility maps from a set of view objects (points or segments) and a set of obstacles. This computation is carried out for two-dimensional and three-dimensional spaces and even over terrains, which in computational geometry are defined as a 2.5D space.
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