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面向层次化数据的变分圆形树图 被引量：2

Variational Circular Treemaps for Hierarchical Data
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摘要 圆形树图(circular treemap)是面向层次化数据的一种信息可视化方法.提出一种圆形树图构造方法,将圆形树图的布局问题与组合优化中的圆排列(disk packing)问题相结合,以一种基于变分连续优化的算法求解多个半径不同圆的优化布局,由此提高圆形树图的空间利用率,并支持层次下行、层次上行与焦点+上下文等自然交互方式.实验结果表明了该方法的有效性. Circular treemaps provide an efficient approach for visualization of hierarchical data. This article presents variational circular treemaps with a layout algorithm by solving disk packing as a continuous optimization problem. Compared with the traditional circular treemaps, variational circular treemaps can achieve a higher space utilization ratio, and support natural interactions for data navigation, including focus＋context distortions and drill-down and roll-up operations. Experimental results show the effectiveness of the presented method for visualization and interaction.
作者 赵海森 吕琳 薄志涛
机构地区 山东大学计算机科学与技术学院
出处 《软件学报》 EI CSCD 北大核心 2016年第5期1103-1113,共11页 Journal of Software
基金 国家自然科学基金(61572291 61202147) 山东省自然科学基金(ZR2012FQ026)~~
关键词 层次化数据可视化 圆形树图 变分圆形树图 hierarchical data visualization circular treemap variational circular treemap
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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软件学报
2016年 第5期

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