Cluster analysis is a method of spatialdata mining. Clustering algorithm can find some useful clustering structures directly from spatialdatabase.
聚类分析是空间数据挖掘的一种方法，聚类算法能从空间数据库中直接发现一些有用的聚类结构。
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The detecting methods and resume methods are particularly introduced in this paper, emphasis on the resuming methods of incomplete spatialdatabase on kriging interpolation algorithm.
Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatialdatabase.