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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
Welcome to ArcGIS Desktop 9.0
What's new in ArcMap: other changes in version 9.0
What's new in ArcCatalog: other changes in version 9.0
What's new in ArcGIS Desktop extensions in version 9.0
Getting started
Desktop Administration
ArcCatalog
ArcMap
ArcReader
Geoprocessing in the ArcGIS environment
Geoprocessing tool reference
Building a geodatabase
Editing in ArcMap
Getting started with editing in ArcMap
Creating new features

About creating new features

Creating point features and vertices

Creating lines and polygons

Creating segments using angles and lengths

Creating segments using angles from existing segments

Creating segments that are circular arc curves

Creating segments by tracing features

Using the snapping environment

Creating edit sketch geometry with the Traverse tool

Traverse file format

About setting distance units

Setting direction measuring systems and units
Using a digitizer

About digitizing

An overview of preparing to digitize

Registering the paper map

Digitizing features on a paper map
Creating features from other features

Copying parallel line features

Creating buffers

Mirroring features

Creating and exploding multipart features

Combining features from different layers

Intersecting features
Editing existing features
Editing topology
Editing attributes

Viewing attributes

Adding attributes

Deleting attributes

Modifying attributes

Copying and pasting attributes

Editing with default values and attribute domains

About updating data using SQL
Spatial adjustment
Editing geometric networks
Editing relationships and related objects

About editing relationships and related objects

Editing relationships and related objects
Editing annotation
Editing dimension features
Geocoding
Linear referencing
Map projections
Getting started with map projections
Geographic coordinate systems
Projected coordinate systems

About projected coordinate systems

About map projections

Projection types

Planar projections

Conic projections

Cylindrical projections

Other projections

Projection parameters
Geographic transformations
Supported map projections
Writing geoprocessing scripts
Getting started with writing geoprocessing scripts

An overview of writing geoprocessing scripts

Creating and debugging geoprocessing scripts

Additional help with writing geoprocessing scripts
Accessing tools within a geoprocessing script
Batch processing with geoprocessing scripts

About batch processing with geoprocessing scripts
Messaging and script tools

About geoprocessing script messages

Using AMLs with script tools
Data properties and access when scripting
Scripting Object: Properties and methods
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