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Point-based tree representation: A new approach for large hierarchies

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3 Author(s)
Schulz, H.-J. ; Univ. of Rostock, Rostock ; Hadlak, S. ; Schumann, H.

Space-filling layout techniques for tree representations are frequently used when the available screen space is small or the data set is large. In this paper, we propose a new approach to space-filling tree representations, which uses mechanisms from the point-based rendering paradigm. Additionally, helpful interaction techniques that tie in with our layout are presented. We will relate our new technique to established space-filling techniques along the lines of a newly developed classification and also evaluate it numerically using the measures of the ink-paper-ratio and overplotted%.

Published in:

Visualization Symposium, 2009. PacificVis '09. IEEE Pacific

Date of Conference:

20-23 April 2009