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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
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 projection
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
Vertical coordinate systems
Mapping and visualization
Editing and data compilation
An overview of editing and data compilation
Getting started with editing
About editing your geodatabase in ArcMap
Adding the data you want to edit
The structure of vector datasets
Adding the editing toolbars
Starting and stopping an edit session
The sketch construction tools
Using the snapping environment
About setting distance units
Setting direction measuring systems and units
Shortcut keys for editing in ArcMap
Common editing tasks
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 attributes
Copying and pasting attributes
Deleting attributes
Editing with default values and attribute domains
About updating data using SQL
Editing annotation
Editing dimension features
Using a digitizer
Spatial adjustment
Editing topology
Editing relationships and related objects
About editing relationships and related objects
Editing relationships and related objects
COGO
Geoprocessing
Geoprocessing tool reference
An overview of commonly used tools
Geoprocessing commands quick reference guide
Licensing for geoprocessing tools
Data types for geoprocessing tool parameters
3D Analyst toolbox
Analysis toolbox
Business Analyst toolbox
An overview of the Business Analyst toolbox
Analysis toolset
Customer Setup toolset
Modeling toolset
Reports toolset
Segmentation Analysis toolset
Segmentation Profiles toolset
Store Setup toolset
Thematic Maps toolset
Trade Areas toolset
Cartography toolbox
An overview of the Cartography toolbox
Cartography toolbox sample applications
Graphic Quality toolset
Masking toolset
Representation Management toolset
Symbolization Refinement toolset
Conversion toolbox
Coverage toolbox
Data Interoperability toolbox
An overview of the Data Interoperability toolbox
Tools
Data Management toolbox
An overview of the Data Management toolbox
Data Comparison toolset
Database toolset
Disconnected Editing toolset
Distributed Geodatabase toolset
Domains toolset
Feature Class toolset
Features toolset
Fields toolset
File Geodatabase toolset
General toolset
Generalization toolset
Indexes toolset
Joins toolset
Layers and Table Views toolset
Projections and Transformations toolset
Raster toolset
Relationship Classes toolset
Subtypes toolset
Table toolset
Topology toolset
Versions toolset
Workspace toolset
Geocoding toolbox
Geostatistical Analyst toolbox
An overview of the Geostatistical Analyst toolbox
Understanding geostatistical analysis
Working with a geostatistical layer
Creating a grid from a geostatistical layer
Geostatistical Analyst toolbox sample applications
Tools
Linear Referencing toolbox
An overview of the Linear Referencing toolbox
Understanding linear referencing
Creating route data
Creating and editing event data
Linear Referencing sample applications
Tools
Multidimensional toolbox
Military Analyst toolbox
An overview of the Military Analyst toolbox
Data Management toolset
Geometry toolset
Utilities toolset
Military Overlay Editor toolbox
An overview of the Military Overlay Editor toolbox
Utilities toolset
Network Analyst toolbox
An overview of the Network Analyst toolbox
Analysis toolset
Network Dataset toolset
Turn Feature Class toolset
Server toolbox
An overview of the Server toolbox
Caching toolset
Spatial Analyst toolbox
Spatial Statistics toolbox
Samples toolbox
An overview of the Samples toolbox
Conversion
Data Management
Tracking Analyst toolbox
Environment Settings
Environment settings
General settings
Cartography settings
Coverage settings
Geodatabase settings
Raster Analysis settings
Raster Storage settings
Geodatabases and ArcSDE
Data management with ArcCatalog
Data support in ArcGIS
An overview of data support in ArcGIS
Data formats supported in ArcGIS
CAD data
The composition of a CAD drawing
Working with CAD data in ArcGIS
Displaying CAD features
Georeferencing CAD data
CAD feature attributes and queries
CAD data translations
Geoprocessing tools for CAD translation
Common CAD data workflows
Coverages
NetCDF: multidimensional, time series data
Raster data
Shapefiles
About shapefiles, dBASE tables, and file types
Shapefile file extensions
Creating new shapefiles and dBASE tables
Adding and deleting fields in shapefiles
Creating and updating indexes in shapefiles
Defining a shapefile's coordinate system
How to salvage a corrupt shapefile
Tables and attribute information
Terrains
Extensions
Geocoding and address management
Linear referencing
Getting started with linear referencing
Creating route feature classes
An overview of creating route feature classes
Creating route feature classes
Defining the measure properties of your m coordinates
Using existing linear features to create routes
Creating routes from existing lines
About calibrating route measures using points
Calibrating routes with points
Migrating route features to a geodatabase
Accessing the Create Routes wizard
Accessing the Calibrate Routes wizard
Displaying and querying routes feature classes
Displaying and querying route events
Editing routes
Creating and editing event data
Working with route event data
Network analysis
Using the Network Analyst extension
Analyzing geometric networks
What is a geometric network?
Creating and managing geometric networks
Editing geometric networks
Analyzing geometric networks
Mobile GIS
Interoperability and standards support
Overview of interoperability
Overview of OGC and ISO support
ESRI protocols and programming interfaces
GML support in ArcGIS
Customizing and developing with ArcGIS
An overview of customizing ArcGIS
Customizing the user interface
Writing macros using VBA
Getting started with VBA
Creating, editing, and running macros
Creating custom commands with VBA and UI Controls
Adding custom commands and toolbars from .dlls
Updating the ArcID module
Locking documents and templates
Changing VBA security
Sample VBA code
Extending ArcGIS desktop applications
About extending ArcGIS
Guide to data that comes with ArcGIS
ESRI Data and Maps
Working with StreetMap data
Licensing and desktop administration
ArcGIS Image Server
GIS Servers and services