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Published on Aug 13, 2010
Grammar-based Encoding of Facades. Simon Haegler, Peter Wonka, Stefan Müller Arisona, Luc Van Gool, Pascal Müller. EGSR 2010.
In this paper we propose a real-time rendering approach for procedural cities. Our first contribution is a new lightweight grammar representation that compactly encodes facade structures and allows fast per-pixel access. We call this grammar F-shade. Our second contribution is a prototype rendering system that renders an urban model from the compact representation directly on the GPU. Our suggested approach explores an interesting connection from procedural modeling to real-time rendering. Evaluating procedural descriptions at render time uses less memory than the generation of intermediate geometry. This enables us to render large urban models directly from GPU memory.