Variational circular treemaps for interactive visualization of hierarchical data

Visualization of hierarchical data is of great importance in information visualization. We present variational circular treemaps with a novel layout algorithm by solving disk packing as a continuous optimization problem. Our variational circular treemaps achieve higher space utilization ratio compar...

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Vydáno v:	IEEE Pacific Visualization Symposium s. 81 - 85
Hlavní autoři:	Haisen Zhao, Lin Lu
Médium:	Konferenční příspěvek
Jazyk:	angličtina
Vydáno:	IEEE 01.04.2015
Témata:	Chebyshev approximation Computer Graphics [I.3.5]: Computational Geometry and Object Modeling-Object hierarchies Table lookup Transforms Visualization
ISSN:	2165-8765
On-line přístup:	Získat plný text
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Popis
Shrnutí:	Visualization of hierarchical data is of great importance in information visualization. We present variational circular treemaps with a novel layout algorithm by solving disk packing as a continuous optimization problem. Our variational circular treemaps achieve higher space utilization ratio compared with the traditional circular treemaps and support natural interactions as focus+context distortions and drill-down and roll-up operations for data navigation. Experimental results show the effectiveness of our method for visualization and interaction.
ISSN:	2165-8765
DOI:	10.1109/PACIFICVIS.2015.7156360