Traditionally the GIScience community is well able to deal with the locational and attribute component of spatio-temporal data. However, the methods and techniques to deal with the data's temporal component are less developed. This paper introduces a conceptual framework that combines user tasks, available temporal data and visualization theories to discuss temporal visualization. Two limitations of existing method are improved by introducing the time wave environment which is a close combination of temporal graphic representation and temporal interactive tools, and operates in so-called time space. A case study based on meteorological data illustrates the approach.
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