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Authors: Bernd Biedermann and María Cecilia Rivara

Affiliation: Universidad de Chile, Chile

Keyword(s): Bintree Triangulations, Parallel Mesh Tessellation, Continuous Level of Detail, Uncoupled Parallel Mesh Refinement.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Parallel Rendering ; Rendering

Abstract: In this paper we present an uncoupled parallel technique for view dependant continuous level of detail rendering of regular height field terrain. To this end, the terrain is globally modelled by a simple bintree patch-based representation of right-triangles, which is adaptively divided into uncoupled meshes for parallel processing. This is easily performed by uncoupling the mesh along the observer line. Each uncoupled mesh is then recursively approximated to the corresponding level of detail in the terrain. Cracks are avoided by constraining the refinement levels at the boundaries of adjacent meshes. The level of detail is created on-the-fly with a low amount of CPU overhead, allowing a good representation of the terrain and high frames per second performance. This implementation shows significant improvements in CPU load and frames per second performance over the serial method when executed on machines with multiple processors.

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Paper citation in several formats:
Biedermann, B. and Cecilia Rivara, M. (2007). UNCOUPLED PARALLEL VIEW DEPENDANT LEVEL OF DETAIL RENDERING OF BINTREE TRIANGULATIONS. In Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP; ISBN 978-972-8865-71-9; ISSN 2184-4321, SciTePress, pages 333-338. DOI: 10.5220/0002083203330338

@conference{grapp07,
author={Bernd Biedermann. and María {Cecilia Rivara}.},
title={UNCOUPLED PARALLEL VIEW DEPENDANT LEVEL OF DETAIL RENDERING OF BINTREE TRIANGULATIONS},
booktitle={Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP},
year={2007},
pages={333-338},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002083203330338},
isbn={978-972-8865-71-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP
TI - UNCOUPLED PARALLEL VIEW DEPENDANT LEVEL OF DETAIL RENDERING OF BINTREE TRIANGULATIONS
SN - 978-972-8865-71-9
IS - 2184-4321
AU - Biedermann, B.
AU - Cecilia Rivara, M.
PY - 2007
SP - 333
EP - 338
DO - 10.5220/0002083203330338
PB - SciTePress

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