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Geography 465
Working with ArcGIS Tools
and Environment Settings
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Toolbox defined
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Standard Toolboxes
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Parameters are specified using strings or objects
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Environment SettingsDivided into five categories:- General- Coverage- Geodatabase- Raster geodatabase- Raster analysis
Names are unique; same constraints as tool names
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Environment Setting
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Environment Setting
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Save Environment Setting
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Save Environment Setting
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Complex Parameters - Objects
For example:
Spatial references, value tables, weighted overlay tables, and remap tables
Read/write properties
Each tool documentation has the specification
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Complex Parameters - Objects
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Retrieving properties usingDescribe
# Workspace
dscWS = gp.Describe (“Seattle.mdb”)
# FeatureClass Properties
dscFC = gp.Describe (“Seattle.mdb\\Parcels”)
# DataSet Properties
dscFD = gp.Describe (“Seattle.mdb\\Census)
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Describe method - 9.3
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Exercising the Geoprocessor and
Python Scripting