Qualitative Representation of Change
COSIT '97 Proceedings of the International Conference on Spatial Information Theory: A Theoretical Basis for GIS
A conceptual framework and taxonomy of techniques for analyzing movement
Journal of Visual Languages and Computing
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In the context of a research about application of dynamic visualisation parameters in animations for monitoring purposes, this paper reports on characteristics of dynamic geo-spatial phenomena for visual exploration. A framework of concepts is proposed to describe a variety of phenomena in the physical environment. The nature of monitoring tasks is taken into account. Explicit attention is paid to context-sensitivity and to the description of the temporal behaviour of dynamic phenomena. If it proves to be a suitable framework, visualisation variables will be linked to the general concepts to form a theoretical basis for animated representation of dynamic geo-spatial phenomena. Empirical testing of animations will follow to evaluate whether dynamic visualisation variables can be used to prompt thinking about the processes at work and about spatio-temporal relationships by domain experts who perform monitoring tasks. The ultimate goal is to contribute to the development of representation methods and interaction tools.