About performing analysis with the ArcGIS Spatial Analyst extension

When using the ArcGIS Spatial Analyst extension for your processing, you are able to access existing raster datasets and create new ones. It is important to understand how raster data is represented in Spatial Analyst, how the tools process the input data, and how the characteristics of the input data and the settings you apply affect the output data.

Understanding analysis in Spatial AnalystValues and what they representThe types of operations in Spatial AnalystNoData and how it affects analysisThe analysis environmentCell size and resampling in analysisHandling projections during analysis

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