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Published in:
2008 | OriginalPaper | Chapter
Cartesian vs. Radial – A Comparative Evaluation of Two Visualization Tools
Authors : Michael Burch, Felix Bott, Fabian Beck, Stephan Diehl
Published in: Advances in Visual Computing
Publisher: Springer Berlin Heidelberg
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Many recently developed information visualization techniques are radial variants of originally Cartesian visualizations. Almost none of these radial variants have been evaluated with respect to their benefits over their original visualizations. In this work we compare a radial and a Cartesian variant of a visualization tool for sequences of transactions in information hierarchies. The Timeline Trees (TLT) approach uses a Cartesian coordinate system to represent both the hierarchy and the sequence of transactions whereas the TimeRadarTrees (TRT) technique is the radial counterpart which makes use of a radial tree, as well as circle slices and sectors to show the sequence of transactions. For the evaluation we use both quantitative as well as qualitative evaluation methods including eye tracking.