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Intermediate ArcGIS 9
   Landcover Analysis

Course Introduction
Getting Started
Overview of data
Spatial Analyses
 - Licensing
 - SA Toolbar
 - SA Options dialog
 - Mask vs. Window
 - ArcToolbox
 - Tabulate Areas
 - Landscape Analysis
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Spatial Analyst options dialog

Concepts:
   Spatial Analyst Options dialog
   working directory

An important dialog box is the Spatial Analyst Options dialog, which is brought up from the Spatial Analyst menu.  The "Options" dialog contains many settings about Spatial Analyst that are important to the user for raster processing.  One important setting is the working directory, this is where ArcGIS stores any temporary files it creates during raster processing (which can turn out to be a lot of data).  It's important to set this someplace where this type of temp file is appropriate.  For Maine DEP users, this should be a folder in 'workspace' where you have write permission.

image of the SA options dialog  image of SA working directory
The Spatial Analyst Options dialog, showing how to set the working directory. 

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