About performing analysis with the ArcGIS Spatial Analyst extension

Available with Spatial Analyst license.

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.

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