An Efficient Trim Structure for Rendering Large B-Rep ModelsReportar como inadecuado

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1 IRIT - Institut de recherche en informatique de Toulouse 2 GVS - Global Vision Systems

Abstract : We present a multiresolution trim structure for fast and accurate B-Rep model visualization. To get a good tradeoff between performance and visual accuracy, we propose to use a vectorial but approximated representation of the model that allows efficient, real-time GPU exploitation. Our structure, based on a quadtree, enables us to do shallow lookups for distant fragments. For closeups, we leverage hardware tessellation. We get interactive frame rates for models that consists of hundreds of thousands of B-Rep faces, regardless of the zoom level.

Autor: Frédéric Claux - David Vanderhaeghe - Loïc Barthe - Mathias Paulin - Jean-Pierre Jessel - David Croenne -



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