Procedural Reproduction of Terrain Textures with Geographic Data
| Autor: | Dachsbacher, Carsten, Bolch, Tobias, Stamminger, Marc |
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| Přispěvatelé: | Department of Computer Science [Erlangen], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Instituts für Kartographie [Dresden] (Institute for Cartography), Technische Universität Dresden = Dresden University of Technology (TU Dresden), Rendering and virtual environments with sound (REVES), Inria Sophia Antipolis - Méditerranée (CRISAM), Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria), Til Aach and Rudiger Westermann |
| Jazyk: | angličtina |
| Rok vydání: | 2006 |
| Předmět: | |
| Zdroj: | Vision, Modeling and Visualization (VMV 2006) Vision, Modeling and Visualization (VMV 2006), Nov 2006, Aachen, Germany. pp.105-112 |
| Popis: | International audience; Surface textures of high resolution and quality, either acquired from aerial or satellite imagery or computed using procedural models, are crucial for photorealistic terrain rendering. Procedural models provide a compact representation and can be evaluated at run-time. In this paper we present an extension to an existing, GPU-friendly procedural texturing model, such that it can be fitted semiautomatically to real-world data. In order to increase realism and to account for geographic conditions, we also include temperature, solar radiation and rainfall distributions - simulated ormodeled using measured data from gaging stations - into the reproduction process. The original surface texture is no longer required for rendering: instead a new texture of arbitrary resolution is synthesized at runtime. In addition to the compact procedural model we store elevation data, anyway required for the terrain rendering, and low-resolution geographic data. We show results of our method applied to a comparatively little cultivated region in Central Asia. |
| Databáze: | OpenAIRE |
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