Grammar-based encoding of facades

  • Authors:
  • Simon Haegler;Peter Wonka;Stefan Müller Arisona;Luc Van Gool;Pascal Müller

  • Affiliations:
  • ETH Zurich;Arizona State University;ETH Zurich and Procedural Inc.;ETH Zurich and KU Leuven;Procedural Inc.

  • Venue:
  • EGSR'10 Proceedings of the 21st Eurographics conference on Rendering
  • Year:
  • 2010

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Abstract

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.