Abstract
Firstly,the paper introduced the researches and basic methods of spatial data visualization technology,and analyzed two common kinds of methods,namely entity-based and region-based.A clustering-based spatial data visualization method was proposed,which firstly made a cluster analysis of spatial data and got the description parameters of the result through the use of spatial clustering algorithms represented by algorithm ASCDT(Adaptive Spatial Clustering algorithm based on Delaunay Triangulation).Secondly,it designed visual objects aimed at the cluster result by combining the basic visualization methods and the characteristics of the parameters.As a result,the mapping relationship was established.Finally,some issues that needed to be further studied and improved were discussed.
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