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Welcome to ArcGIS Desktop Help
Copyright information
GIS Dictionary
What's new in ArcGIS
Getting started
Fundamentals of GIS data
Introducing ArcGIS Desktop
Tutorials
Toolbars
Getting more help

Using this help system

Getting help within the applications

ArcGIS Desktop Documentation Library

Accessing ESRI Software Training

Using the GIS Dictionary

Contacting Technical Support

Support for users located outside the United States

Contacting ESRI
Map projections and coordinate systems
Getting started with map projections

An overview of map projections

Projection basics the GIS professional needs to know

About the geoid, ellipsoid, spheroid and datum, and how they are related

Identifying an unknown coordinate system

Converting Degrees Minutes Seconds values to Decimal Degree values
Geographic coordinate systems

About geographic coordinate systems

Spheroids and spheres

Datums

North American datums

What happens to features at +/-180 (dateline)?
Projected coordinate systems

About projected coordinate systems

About map projections

Projection types

Planar projections

Conic projections

Cylindrical projections

Other projections

Projection parameters
Geographic transformations

Geographic transformation methods

Equation-based methods

Grid-based methods
Supported map projections
Vertical coordinate systems

About vertical coordinate systems

Vertical datums

Geoid
Mapping and visualization
An overview of mapping and visualization

An overview of ArcMap

Data frames

Map layers

Symbols and styles

Text

Cartographic representations

Map layouts and map printing

Graphs, reports, and animations

Common tasks within ArcMap

Shortcuts for common tasks within ArcMap
Using ArcMap
Working with layers
Navigating and interacting with maps
Navigating maps and layout pages
Interacting with maps
Adding graphics and text to maps
Working with graphics
Working with text
Symbolizing data
Applying symbology
Styles and symbols
Animation
Using cartographic representations
Getting started with representations
Representation concepts
Working with representations
Editing feature representations
Page layout and map composition
Working with graphs and reports
Editing and data compilation

An overview of editing and data compilation
Getting started with editing
Common editing tasks

Common point editing tasks

Common line editing tasks

Common polygon editing tasks

Common annotation editing tasks

Common multipoint editing tasks

Editing data in a different projection
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

Creating buffers

Mirroring features

Combining features from different layers

Intersecting features

Merging and separating features

Copying parallel line features

Creating a fillet curve between two lines

Creating cul-de-sac lines

Creating lines with the Traverse window

Creating lines with the 2-Point Line window

Creating lines with the Offset Line window
Editing existing features
Editing attributes
Editing annotation
Editing dimension features

About editing dimension features

Creating dimension features

Modifying a dimension feature's geometry and style
Using a digitizer
Spatial adjustment
Editing topology

About topology

Topology rules

Topology error fixes

Basic topology tasks

Creating a map topology

Editing features in a topology

Editing shared geometry

Topology validation

Topology errors and exceptions

Correcting topology errors

Finding features with shared topology elements

Clearing selected topology elements

Changing the symbology for topology features

Making new features with topology tools
Editing relationships and related objects
COGO
Geoprocessing

What is geoprocessing?

A whirlwind tour of geoprocessing

Geoprocessing tools

Geoprocessing framework

Frequently Asked Questions about geoprocessing
Fundamental tool concepts
Using geoprocessing tools
Automating your work with models
Automating your work with scripts
Geoprocessing environments
Documenting tools and toolboxes
Sharing tools and toolboxes
Keeping track of geoprocessing history
Advanced modeling through simulations
Geoprocessing tool reference
Geodatabases and ArcSDE
Data management with ArcCatalog
Data support in ArcGIS
Extensions
Geocoding and address management
Linear referencing
Network analysis
Mobile GIS
GPS
Tablet PC
ArcPad integration
Interoperability and standards support
Customizing and developing with ArcGIS
Guide to data that comes with ArcGIS
Licensing and desktop administration

Administering the ArcGIS License Manager

Checking license availability

Viewing and changing the license manager

Common license manager problems and how to solve them

Setting the software product

Registering ArcView or ArcEditor and extensions

Evaluating an ArcGIS Desktop extension
ArcGIS Image Server
GIS Servers and services