Scalable parallel out-of-core terrain rendering

Authors:
Prashant Goswami;Maxim Makhinya;Jonas Bösch;Renato Pajarola
Affiliations:
Visualization and MultiMedia Lab, Department of Informatics, University of Zürich;Visualization and MultiMedia Lab, Department of Informatics, University of Zürich;Visualization and MultiMedia Lab, Department of Informatics, University of Zürich;Visualization and MultiMedia Lab, Department of Informatics, University of Zürich
Venue:
EG PGV'10 Proceedings of the 10th Eurographics conference on Parallel Graphics and Visualization
Year:
2010

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Abstract

In this paper, we introduce a novel out-of-core parallel and scalable technique for rendering massive terrain datasets. The parallel rendering task decomposition is implemented on top of an existing terrain renderer using an open source framework for cluster-parallel rendering. Our approach achieves parallel rendering by division of the rendering task either in sort-last (database) or sort-first (screen domain) manner and presents an optimal method for implicit load balancing in the former mode. The efficiency of our approach is validated using massive elevation models.