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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
ArcMap
ArcReader
Geoprocessing in the ArcGIS environment
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
Getting started with ESRI Data and Maps

What's new in ESRI Data and Maps

An overview of ESRI Data and Maps

Redistribution rights
Canada
Europe

Europe Cities

Europe Countries

Europe Ferries

Europe Level 1 Provinces

Europe Level 2 Provinces

Europe Level 3 Provinces

Europe Major Roads

Europe Major Water

Europe NUTS 0 Demographics

Europe NUTS 1 Demographics

Europe NUTS 2 Demographics

Europe NUTS 3 Demographics

Europe Places

Europe Railroads

Europe Railroad Stations

Europe Roads

Europe Urbanized Areas

Europe Water

Germany ZIP Code Areas (one-digit)

Germany ZIP Code Areas (two-digit)

Germany ZIP Code Areas (five-digit)
Mexico
World

World Administrative Units

World Cities

World Continents

World Countries (generalized)

World Countries 1992

World Countries 2005

World CountryWatch Demographics (table)

World Country Memberships of Political Organizations (table)

World Drainage Systems

World Gazetteer

World Lakes

World Latitude and Longitude Grids

World Named Latitudes and Longitudes

World Regions

World Rivers

World Time Zones

World UTM Zones

World Wildlife Fund Marine Ecoregions

World Wildlife Fund Terrestrial Ecoregions
StreetMap USA
Image data

North America Digital Elevation Model

North America Shaded Relief

Global Digital Elevation Model (ETOPO2)

Global Digital Elevation Model (GTOPO30)

Global Imagery 150-meter Resolution

Sample High-Resolution Images

World at Night

World Cloud Free

WOrld Shaded Relief

World Topography and Bathymetry

World with Clouds

World with Ice

WorldSat Color Shaded Relief
United States (census)
United States (hydrography)
United States (landmarks)
United States (other)
United States (transportation)
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