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BarcodeTree: Scalable Comparison of Multiple Hierarchies.
IEEE Transactions on Visualization and Computer Graphics ( IF 5.2 ) Pub Date : 2019-09-20 , DOI: 10.1109/tvcg.2019.2934535
Guozheng Li , Yu Zhang , Yu Dong , Jie Liang , Jinson Zhang , Jinsong Wang , Michael J. Mcguffin , Xiaoru Yuan

We propose BarcodeTree (BCT), a novel visualization technique for comparing topological structures and node attribute values of multiple trees. BCT can provide an overview of one hundred shallow and stable trees simultaneously, without aggregating individual nodes. Each BCT is shown within a single row using a style similar to a barcode, allowing trees to be stacked vertically with matching nodes aligned horizontally to ease comparison and maintain space efficiency. We design several visual cues and interactive techniques to help users understand the topological structure and compare trees. In an experiment comparing two variants of BCT with icicle plots, the results suggest that BCTs make it easier to visually compare trees by reducing the vertical distance between different trees. We also present two case studies involving a dataset of hundreds of trees to demonstrate BCT's utility.

中文翻译:

BarcodeTree:多个层次结构的可伸缩比较。

我们提出了BarcodeTree(BCT),这是一种新颖的可视化技术,用于比较多棵树的拓扑结构和节点属性值。BCT可以同时提供一百棵浅而稳定的树的概述,而无需汇总单个节点。每个BCT使用类似于条形码的样式显示在一行中,从而允许将树垂直堆叠,而匹配节点水平对齐,从而简化比较并保持空间效率。我们设计了几种视觉提示和交互式技术来帮助用户了解拓扑结构并比较树木。在一项将BCT的两种变体与冰柱图进行比较的实验中,结果表明BCT通过减小不同树木之间的垂直距离,使从视觉上比较树木变得更加容易。
更新日期:2019-11-01
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