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Spatial analysis is the systematic use of the geographic location(s) of objects of interest as an important variable in description, analysis, and prediction. Usually, but not necessarily, the analysis is in conjunction with the values of any data describing these objects. The ability to undertake simple and sophisticated spatial analysis is the reason GIS exist. Spatial analysis can be conducted at various levels of complexity.

Spatial Data Manipulations as Geometric Transformation between Object Types

What is often referred to as spatial analysis by GIS vendors is the ability to perform manipulations on the basic geometry of the data. A good example is the creation of buffers in which an area of specified width is defined around a point, line, or area. For example, the point might be ...

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