Understanding Urban Environments Through the Use of...
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26 дней – 20 8050:36Опубликовано 23 июля 2007, 23:18
Google Tech Talks
December 13, 2006
ABSTRACT
For 3D global visualization systems, it is important to be able to render city-sized collections of relatively simple building models at fast speeds without losing spatial coherence. Since traditional mesh simplification algorithms are not designed for collections of simple models, we introduce a method of simplification through merging of similar objects. We incorporate the concept of "urban legibility" from architecture and city-planning as a guideline for simplifying city models. Our algorithm can be broken down into five steps. Hierarchical clustering, cluster merging, polyline simplification, and hierarchical texturing are performed during...
December 13, 2006
ABSTRACT
For 3D global visualization systems, it is important to be able to render city-sized collections of relatively simple building models at fast speeds without losing spatial coherence. Since traditional mesh simplification algorithms are not designed for collections of simple models, we introduce a method of simplification through merging of similar objects. We incorporate the concept of "urban legibility" from architecture and city-planning as a guideline for simplifying city models. Our algorithm can be broken down into five steps. Hierarchical clustering, cluster merging, polyline simplification, and hierarchical texturing are performed during...
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