Octreemizer: a hierarchical approach for interactive roaming through very large volumes

Authors:
John Plate;Michael Tirtasana;Rhadamés Carmona;Bernd Fröhlich
Affiliations:
Virtual Environments, Fraunhofer IMK, St. Augustin, Germany;Virtual Environments, Fraunhofer IMK, St. Augustin, Germany;Universidad Central de Venezuela;Bauhaus-Universität Weimar, Weimar, Germany
Venue:
VISSYM '02 Proceedings of the symposium on Data Visualisation 2002
Year:
2002

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Abstract

We have developed a hierarchical paging scheme for handling very large volumetric data sets at interactive frame rates. Our system trades texture resolution for speed and uses effective prediction strategies. We have tested our approach for datasets with up to 16GB in size and show that it works well with less than 500MB of main memory cache for 64MB of 3D-texture memory. Our approach makes it feasible to deal with these volumes on desktop machines.