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Spherical Terrain Rendering using the hierarchical HEALPix grid

Westerteiger, Rolf and Gerndt, Andreas and Hamann, Bernd (2012) Spherical Terrain Rendering using the hierarchical HEALPix grid. Dagstuhl Publishing. Visualization of Large and Unstructured Data Sets (VLUDS), IRTG 1131 Workshop 2011, June 10 - 11, 2011, Kaiserslautern, Germany.

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Official URL: http://drops.dagstuhl.de/opus/volltexte/2012/3738/


We present an interactive spherical terrain rendering system employing a hierarchical subdivision of the HEALPix coordinate system using quadtrees. Compared to other parameterizations, the scheme avoids singularities and allows for efficient fusion of mixed-resolution digital elevation models and imagery. A Level-of-Detail heuristic is used to guarantee both high performance and visual fidelity. Unified treatment of DEM and imagery data is achieved by performing the HEALPix projection within a GPU shader. The system is applied to the exploration of Mars, using both MOLA (NASA) and HRSC (German Aerospace Center) data sets.

Item URL in elib:https://elib.dlr.de/80426/
Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:Spherical Terrain Rendering using the hierarchical HEALPix grid
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Westerteiger, RolfSC-RVUNSPECIFIED
Date:October 2012
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Volume:Vol. 27
Publisher:Dagstuhl Publishing
Series Name:OASIcs
Keywords:terrain rendering
Event Title:Visualization of Large and Unstructured Data Sets (VLUDS), IRTG 1131 Workshop 2011
Event Location:Kaiserslautern, Germany
Event Type:Workshop
Event Dates:June 10 - 11, 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben SISTEC (old)
Location: Braunschweig
Institutes and Institutions:Institut of Simulation and Software Technology > Software for Space Systems and Interactive Visualisation
Deposited By: Gerndt, Dr.rer.nat. Andreas
Deposited On:08 Jan 2013 13:59
Last Modified:28 Feb 2013 15:45

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