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 tablesRead/write propertiesEach 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 PropertiesdscFD = gp.Describe (“Seattle.mdb\\Census)

Describe method - 9.3

Exercising the Geoprocessor and

Python Scripting