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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
Desktop Administration
ArcCatalog
Getting started with ArcCatalog
Building the Catalog
Managing the Catalog's contents
Exploring an item's geography
Exploring the values in a table
Working with metadata
Searching for items
Working with maps and layers

About maps, layers, and graphs

Opening a map from ArcCatalog

Adding data to maps

Creating a layer

Creating a group layer

Repairing the data sources in a layer

Joining attributes to the layer's data
Working with shapefiles

About shapefiles, dBASE tables, and file types

Creating new shapefiles and dBASE tables

Adding and deleting attributes

Creating and updating indexes

Defining a shapefile's coordinate system
Working with CAD data
Working with coverages

About coverages and INFO tables

Creating a new coverage

Creating a new INFO table

Generating topology

Defining a coverage's coordinate system

Modifying a coverage's tics

Modifying a coverage's extent

Setting a coverage's tolerances

Maintaining attributes

About relationships and relationship classes

Creating a coverage relationship class
Working with rasters in ArcCatalog

About raster data

Properties of raster datasets

Exploring geodatabase raster catalogs

Tabular raster catalogs

Initial display properties of a raster

Setting the default band for a raster

Defining a raster's coordinate system

Calculating statistics for your raster dataset

Creating raster pyramids

Mosaicking rasters

Raster display performance tuning

Performance tuning for rasters in ArcSDE

Choosing which raster formats will appear in ArcCatalog

Supported raster formats

Technical specifications for raster formats

Pixel depth capacity
ArcMap
ArcReader
Geoprocessing in the ArcGIS environment

An overview of geoprocessing
Getting started with geoprocessing

An overview of geoprocessing in ArcGIS

Introducing geoprocessing methods

Working with data

Results from running tools

Saving and loading geoprocessing settings

Keeping track of geoprocessing operations

Sharing your geoprocessing work
Working with toolboxes
Working with toolsets and tools
Specifying environment settings
Using the Command Line window
Introducing model building
Using the ModelBuilder window
Geoprocessing tool reference
Building a geodatabase
Editing in ArcMap
Geocoding
Linear referencing
Map projections
Getting started with map projections
Geographic coordinate systems
Projected coordinate systems
Geographic transformations
Supported map projections

List of supported map projections

Aitoff

Alaska Grid

Alaska Series E

Albers Equal Area Conic

Azimuthal Equidistant

Behrmann Equal Area Cylindrical

Bipolar Oblique Conformal Conic

Bonne

Cassini-Soldner

Chamberlin Trimetric

Craster Parabolic

Cube

Cylindrical Equal Area

Double Stereographic

Eckert I

Eckert II

Eckert III

Eckert IV

Eckert V

Eckert VI

Equidistant Conic

Equidistant Cylindrical

Equirectangular

Fuller

Gall's Stereographic

Gauss-Kruger

Geocentric Coordinate System

Geographic Coordinate System

Gnomonic

Great Britain National Grid

Hammer-Aitoff

Hotine Oblique Mercator

Krovak

Lambert Azimuthal Equal Area

Lambert Conformal Conic

Local Cartesian Projection

Loximuthal

McBryde-Thomas Flat-Polar Quartic

Mercator

Miller Cylindrical

Mollweide

New Zealand National Grid

Orthographic

Perspective

Plate Carree

Polar Stereographic

Polyconic

Quartic Authalic

Rectified Skewed Orthomorphic

Robinson

Simple Conic

Sinusoidal

Space Oblique Mercator

State Plane Coordinate System

Stereographic

Times

Transverse Mercator

Two-Point Equidistant

Universal Polar Stereographic

Universal Transverse Mercator

Van der Grinten I

Vertical Near-Side Perspective

Winkel I

Winkel II

Winkel Tripel
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

Using this Help system

Getting help within the applications

Contacting Technical Support

Support for users located outside the United States

Accessing ESRI Software Training

Using the GIS Dictionary
Help for developers