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Authors: Shima Dadkhahfard ; Katayoon Etemad ; John Brosz and Faramarz Samavati

Affiliation: University of Calgary, Canada

Keyword(s): Geo-visualization, Dynamic Visualization.

Related Ontology Subjects/Areas/Topics: Abstract Data Visualization ; Computer Vision, Visualization and Computer Graphics ; Display and Interaction Technology ; General Data Visualization ; Time-Dependent Visualization ; Visual Data Analysis and Knowledge Discovery ; Visualization Applications

Abstract: We present a methodology for creating dynamic visualization of geospatial data on physical globe. To achieve this goal, we use a piecewise curved-display and multi-projector setup. The curved-display is a physical representation of the globe and provides closer approximation of the Earth and reduce distortions. In our method, we use a Discrete Grid Global System (DGGS) for discretizing the Earth to hierarchical cells in different resolutions. This DGGS employs an area preserving projection for on the fly integration of geospatial datasets. There is a one-to-one correspondence between pieces of our curved-display and DGGS cells in a specific resolution. We use 3D printing technology for fabricating of each piece of the display. For controlling the projection, we developed software that takes data from DGGS, warp it and then feeds it to the projectors. The fabrication of the cells and the generation of projection feed follow the same structure of DGGS. We demonstrate the flexibility of our construction with several example setups and apply them to visualize multiple datasets, including time-varying geospatial data. (More)

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Paper citation in several formats:
Dadkhahfard, S.; Etemad, K.; Brosz, J. and Samavati, F. (2018). Area Preserving Dynamic Geospatial Visualization on Physical Globe. In Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2018) - IVAPP; ISBN 978-989-758-289-9; ISSN 2184-4321, SciTePress, pages 309-318. DOI: 10.5220/0006627303090318

@conference{ivapp18,
author={Shima Dadkhahfard. and Katayoon Etemad. and John Brosz. and Faramarz Samavati.},
title={Area Preserving Dynamic Geospatial Visualization on Physical Globe},
booktitle={Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2018) - IVAPP},
year={2018},
pages={309-318},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006627303090318},
isbn={978-989-758-289-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2018) - IVAPP
TI - Area Preserving Dynamic Geospatial Visualization on Physical Globe
SN - 978-989-758-289-9
IS - 2184-4321
AU - Dadkhahfard, S.
AU - Etemad, K.
AU - Brosz, J.
AU - Samavati, F.
PY - 2018
SP - 309
EP - 318
DO - 10.5220/0006627303090318
PB - SciTePress

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