Optimizing Stepwise Animation in Dynamic Set Diagrams

Optimizing Stepwise Animation in Dynamic Set Diagrams
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优化动态集合图中的逐步动画

DOI:
10.1111/cgf.13668
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发表时间:
2019
影响因子:
2.5
通讯作者:
and Takeo Igarashi
and Takeo Igarashi
中科院分区:
计算机科学4区
文献类型:
--
作者:
Kazuyo Mizuno;Hsiang-Yun Wu;Shigeo Takahashi;and Takeo Igarashi

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集合图表示数据元素之间的成员关系。它通常被视为主要信息之上的次要信息,例如地图和图表上元素的空间位置。可视化这种集合图的时间演变以及它们的主要特征是非常重要的;然而,传统的方法只关注主要特征的时间行为,并且不提供有效的手段来突出集合关系内的显著转变。本文提出了一种方法,通过将整个过渡分解为与单个数据元素相关联的原子变化来生成集图之间的逐步动画。我们的方法背后的关键思想是优化原子变化的顺序,使得合成的动画通过考虑它们的深度顺序来最大限度地减少不需要的集合遮挡,并减少两个连续的逐步变化之间的注视转移。实验结果和用户研究表明,所提出的方法有效地促进了视觉识别的动态集合图中固有的详细的过渡。
A set diagram represents the membership relation among data elements. It is often visualized as secondary information on top of primary information, such as the spatial positions of elements on maps and charts. Visualizing the temporal evolution of such set diagrams as well as their primary features is quite important; however, conventional approaches have only focused on the temporal behavior of the primary features and do not provide an effective means to highlight notable transitions within the set relationships. This paper presents an approach for generating a stepwise animation between set diagrams by decomposing the entire transition into atomic changes associated with individual data elements. The key idea behind our approach is to optimize the ordering of the atomic changes such that the synthesized animation minimizes unwanted set occlusions by considering their depth ordering and reduces the gaze shift between two consecutive stepwise changes. Experimental results and a user study demonstrate that the proposed approach effectively facilitates the visual identification of the detailed transitions inherent in dynamic set diagrams.
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