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Welcome to ArcGIS Desktop Help
Copyright information
GIS Dictionary
What's new in ArcGIS Desktop 9.1
What was new in ArcGIS Desktop 9.0
Getting started

What is ArcGIS Desktop?

ArcGIS geodatabase

ArcGIS geoprocessing

ArcGIS geovisualization

ArcGIS Desktop extensions

GIS data structure types

Data types supported in ArcGIS
Desktop Administration
ArcCatalog
ArcMap
ArcReader
Geoprocessing in the ArcGIS environment
Geoprocessing tool reference

Geoprocessing Commands Quick Reference Guide

An overview of commonly used tools

Licensing for geoprocessing tools
3D Analyst toolbox
Analysis toolbox
Business Analyst toolbox
Cartography toolbox
Conversion toolbox
Coverage toolbox
Data Management toolbox
Geocoding toolbox
Geostatistical Analyst toolbox
Linear Referencing toolbox
Military Analyst toolbox
Network Analyst toolbox
Spatial Analyst toolbox
Spatial Statistics toolbox
Samples toolbox
Environment Settings
Building a geodatabase
Editing in ArcMap
Getting started with editing in ArcMap
Creating new features
Using a digitizer
Creating features from other features
Editing existing features

Splitting lines and polygons

Trimming lines

Extending lines

Flipping lines

Dividing lines with points

Reshaping lines and polygons using a sketch

Adding and deleting vertices

Moving vertices

Changing the properties of a sketch

Scaling features

Clipping features

Stretching a feature's geometry proportionately

Smoothing and generalizing features
Editing topology
Editing attributes
Spatial adjustment
Editing geometric networks
Editing relationships and related objects
Editing annotation
Editing dimension features

About editing dimension features

Creating dimension features

Modifying a dimension feature's geometry and style
Geocoding
Linear referencing
Map projections
Writing geoprocessing scripts
Customizing the user interface
Migrating from ArcView GIS 3 to ArcView 9
Migrating from ArcInfo Workstation to ArcGIS Desktop
ESRI Data & Maps
Extensions
Getting more help
Help for developers