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Authors: Michael Burch and Daniel Weiskopf

Affiliation: University of Stuttgart, Germany

Keyword(s): Hierarchy visualization, Time-series data.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; General Data Visualization ; Time-Varying Visualization ; Visualization Applications

Abstract: In this paper we introduce a technique for visualizing the dynamics of quantitative data in static hierarchical structures. We exploit the straight links of orthogonal tree diagrams as a timeline on which we visually encode dynamic quantitative information. We use color coding and varying thicknesses to represent the time-varying data. Bimodal data can also be displayed by exploiting both sides of the time axes simultaneously. Our TimeEdgeTrees tool allows us to explore dynamic quantitative data in tree diagrams by interactive data filtering and zooming. The spatial proximity of neighboring hierarchically structured elements allows us to easily explore trends, countertrends, periodicity, temporal shifts, or anomalies during the evolution synchronously. Interactive features such as expanding or collapsing of subhierarchies additionally help to detect the aforementioned phenomena on different levels of granularity. The usefulness of our visualization technique is illustrated by water l evel data acquired at more than 450 measurement stations along German rivers for 768 points in time. (More)

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Paper citation in several formats:
Burch, M. and Weiskopf, D. (2011). VISUALIZING DYNAMIC QUANTITATIVE DATA IN HIERARCHIES - TimeEdgeTrees: Attaching Dynamic Weights to Tree Edges. In Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2011) - IVAPP; ISBN 978-989-8425-46-1, SciTePress, pages 177-186. DOI: 10.5220/0003323901770186

@conference{ivapp11,
author={Michael Burch. and Daniel Weiskopf.},
title={VISUALIZING DYNAMIC QUANTITATIVE DATA IN HIERARCHIES - TimeEdgeTrees: Attaching Dynamic Weights to Tree Edges},
booktitle={Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2011) - IVAPP},
year={2011},
pages={177-186},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003323901770186},
isbn={978-989-8425-46-1},
}

TY - CONF

JO - Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2011) - IVAPP
TI - VISUALIZING DYNAMIC QUANTITATIVE DATA IN HIERARCHIES - TimeEdgeTrees: Attaching Dynamic Weights to Tree Edges
SN - 978-989-8425-46-1
AU - Burch, M.
AU - Weiskopf, D.
PY - 2011
SP - 177
EP - 186
DO - 10.5220/0003323901770186
PB - SciTePress

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