Geography 465 Working with ArcGIS Tools and Environment Settings.
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Transcript of Geography 465 Working with ArcGIS Tools and Environment Settings.
Geography 465
Working with ArcGIS Tools
and Environment Settings
Toolbox defined
Standard Toolboxes
Parameters are specified using strings or objects
Environment SettingsDivided into five categories:- General- Coverage- Geodatabase- Raster geodatabase- Raster analysis
Names are unique; same constraints as tool names
Environment Setting
Environment Setting
Save Environment Setting
Save Environment Setting
Complex Parameters - Objects
For example:
Spatial references, value tables, weighted overlay tables, and remap tables
Read/write properties
Each tool documentation has the specification
Complex Parameters - Objects
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)
Describe method - 9.3
Exercising the Geoprocessor and
Python Scripting