About performing analysis in Spatial Analyst

When using ArcGIS Spatial Analyst 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 Spatial Analyst tools alter 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 representTypes of Spatial Analyst operationsNoData and how it affects analysisThe analysis environmentCell size and resampling in analysisHandling projections during analysis