卫星时态信息可视化技术研究

Research on the technique of satellite spatio-temporal visualization

时间问题是地理学中一个基本的研究问题,针对当前时空数据模型较多,而可视化研究相对较少的现状,总结、探讨了时态信息可视化所需要的插值、动画、交互等相关技术,重点研究了当前我国卫星影像实时获取能力不能满足用户较高时间分辨率分析的情况,提出了相应的改进方法,探索了时空尺度与分辨率的匹配与可视化表达方法、多目标时间协调等问题,并在影像数据的基础上,实现了时态信息的动态显示。

The problem of time is the basic task in geography. In order to solve the status of the fewer researches on spatio-temporal visualization in contrast with the more researches on the spatio-temporal data models, there concludes many technologies for spatiotemporal information visualization, such as interpolation, animation and interaction, etc. It is important to pay much attention on our satellites acquisition capabilities that can not meet the users＇ needs of high time resolution, and provide the developed method. There also explores the problems of matching for the scale and resolution of space-time, the methods of visualization and multi-objects time coordination, and realizes the dynamic visualization for temporal information on the base of image date.