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

Schulz H, Hadlak S, Schumann H ...see all

IEEE Pacific Visualization Symposium, PacificVis 2009 - Proceedings (2009) pp. 81-88

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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%. ©2009 IEEE.

Author-supplied keywords

  • Computer graphics-applications.
  • I.3.8 [computing methodologies]
  • Point-based rendering
  • Space-filling layout
  • Tree visualization

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