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Ray-Casted BlockMaps: Interactive Remote Exploration of Massive Cityscapes

Jul 27, 2009

The BlockMap data structure is an efficient and compact representation which stores in a small texture all the information to render city blocks. Developed at the Visual Computing Laboratory - CNR, it encodes color, normal and ambient occlusion term for the vertical facades and sloped roofs of the buildings. Using modern OpenGL and GLSL for preprocessing and ray-casted visualization, the BlockMap and its evolution are used to build a realtime multiresolution renderer for large urban models.

Category: Applications

Posted on 07/27 at 12:13 PM

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