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