Research on Spatio-temporal Processes Description of Historical Events and Its Visualization

doi:10.3969/j.issn.1000-3428.2014.11.010

Abstract

Abstract: A variety of visual elements are used to comprehensively express historical events,which can demonstrate vividly historical pictures. This paper proposes a Historical Events Oriented Spatio-temporal Data Model (HEOSDM) through combing event-based spatio-temporal data model and object-oriented idea. Considering the event,change and status,this model can describe and reproduce spatio-temporal information and changes in the major historical events. and a temporal tree data structure of historical events combining event list and sub-event tree is proposed. This structure adopts dual data structures which effectively organize spatio-temporal objects and related events so as to dynamically backtrack, reproduce and search the development process and status of historical events. A temporal tree data structure of events is used to realize spatio-temporal processes visualization of historical events. Adobe Flex is selected to develop and realize the corresponding algorithm and it achieves good effects.

Key words: historical event, spatio-temporal data model, event, status, spatio-temporal process, visualization

摘要： 结合基于事件的时空数据模型和面向对象的思想,提出一种面向历史事件的时空数据模型。分析基于事件、变化与状态之间的关系,描述和再现重大历史事件中的时空信息及时空变化。给出一种结合事件链表与子事件树的历史事件时态树结构,有效地将时间、事件及相关时空对象组织起来,动态追溯、反演和检索历史事件的发展过程与状态。利用事件时态树结构实现历史事件时空过程可视化,并以Adobe Flex 为工具开发实现了历史事件时空过程可视化算法,取得良好效果。

关键词: 历史事件, 时空数据模型, 事件, 状态, 时空过程, 可视化

CLC Number:

TP391

WANG Zhangang,ZHUANG Dafang,WANG Yong. Research on Spatio-temporal Processes Description of Historical Events and Its Visualization[J]. Computer Engineering, doi: 10.3969/j.issn.1000-3428.2014.11.010.

王占刚,庄大方,王勇. 历史事件时空过程描述及其可视化研究[J]. 计算机工程, doi: 10.3969/j.issn.1000-3428.2014.11.010.

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http://www.ecice06.com/EN/Y2014/V40/I11/50

References

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