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Authors: J. Alonso and R. Joan-Arinyo

Affiliation: Escola Tècnica Superior d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Spain

Keyword(s): Digital terrain model, Terrain modelling, Heightmaps.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Graphics in Computer Games ; Interactive Environments ; Modeling and Algorithms ; Modeling of Natural Scenes and Phenomena ; Real-Time Graphics

Abstract: Terrain modeling is a fast growing field with many applications such as computer graphics, resource management, Earth and environmental sciences, civil and military engineering, surveying and photogrammetry and games programming. One of the most widely used terrain model is the Digital Elevation Model (DEM). A DEM is a simple regularly spaced grid of elevation points that represent the continuous variation of relief over space. DEMs require simple storage and are compatible with satellite data. However, they do not easily account for overhangs. In this work we report on the Grounded Heightmap Tree, a new data structure for terrain representation built as a generalization of the DEM. The new data structure allows to naturally represent terrain overhangs. We illustrate the performance of the Grounded Heightmap Tree when applied to represent terrains that undergo big changes.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Alonso, J. and Joan-Arinyo, R. (2008). THE GROUNDED HEIGHTMAP TREE - A New Data Structure for Terrain Representation. In Proceedings of the Third International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2008) - GRAPP; ISBN 978-989-8111-20-3; ISSN 2184-4321, SciTePress, pages 80-85. DOI: 10.5220/0001094300800085

@conference{grapp08,
author={J. Alonso. and R. Joan{-}Arinyo.},
title={THE GROUNDED HEIGHTMAP TREE - A New Data Structure for Terrain Representation},
booktitle={Proceedings of the Third International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2008) - GRAPP},
year={2008},
pages={80-85},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001094300800085},
isbn={978-989-8111-20-3},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2008) - GRAPP
TI - THE GROUNDED HEIGHTMAP TREE - A New Data Structure for Terrain Representation
SN - 978-989-8111-20-3
IS - 2184-4321
AU - Alonso, J.
AU - Joan-Arinyo, R.
PY - 2008
SP - 80
EP - 85
DO - 10.5220/0001094300800085
PB - SciTePress