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Authors: Falko Löffler ; Sebastian Schwanke and Heidrun Schumann

Affiliation: University of Rostock, Germany

ISBN: 978-989-674-026-9

Keyword(s): Terrain rendering, Level of detail, Longest-edge-bisection, Refinement criteria, Cached geometry, Multi-core CPU.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Real-Time Rendering ; Rendering ; Rendering Algorithms

Abstract: This paper describes a hybrid approach for high-quality real-time terrain rendering. The contributions of the work are twofold. First, a novel parallel preprocessing scheme for necessary a-priori error-bounds calculation based on the widely applied longest-edge-bisection approach is proposed, which exploits current multi-core CPU architectures. Compared to the common recursive and thus computationally expensive procedure, a significant performance increase can be achieved. Second, a novel method for view-dependent terrain rendering is described which combines the advantages of triangle-based CPU and patch-optimized GPU algorithms. We exploit frame-to-frame coherence by caching refined geometry on local VRAM in combination with an optimized update process. In contrast to patch-based methods, a substantial reduction of the number of primitives and rendering time can be achieved.

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Paper citation in several formats:
Löffler F.; Schwanke S.; Schumann H. and (2010). A HYBRID APPROACH FOR HIGH QUALITY REAL-TIME TERRAIN RENDERING AND OPTIMIZED A-PRIORI ERROR ESTIMATION.In Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010) ISBN 978-989-674-026-9, pages 233-238. DOI: 10.5220/0002824602330238

@conference{grapp10,
author={Falko Löffler and Sebastian Schwanke and Heidrun Schumann},
title={A HYBRID APPROACH FOR HIGH QUALITY REAL-TIME TERRAIN RENDERING AND OPTIMIZED A-PRIORI ERROR ESTIMATION},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010)},
year={2010},
pages={233-238},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002824602330238},
isbn={978-989-674-026-9},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2010)
TI - A HYBRID APPROACH FOR HIGH QUALITY REAL-TIME TERRAIN RENDERING AND OPTIMIZED A-PRIORI ERROR ESTIMATION
SN - 978-989-674-026-9
AU - Löffler, F.
AU - Schwanke, S.
AU - Schumann, H.
PY - 2010
SP - 233
EP - 238
DO - 10.5220/0002824602330238

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