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Welcome to ArcGIS Desktop Help
Copyright information
GIS Dictionary
What's new in ArcGIS
Getting started
Fundamentals of GIS data
How maps convey geographic information
Georeferencing and coordinate systems
Elements of geographic information
How GIS represents and organizes geographic information
How ArcGIS users work with geographic information
Users work with many data types and data formats in ArcGIS
Introducing ArcGIS Desktop
Tutorials
Tutorials
Getting Started Quickstart tutorial index
3D Analyst tutorial index
Animation in ArcMap tutorial index
ArcGIS Publisher tutorial index
ArcReader tutorial index
ArcScan tutorial index
Building a Geodatabase tutorial index
Data interoperability tutorial index
Database servers tutorial index
Editing geodatabases tutorial index
Editing GIS features tutorial index
Geocoding tutorial index
Geoprocessing tutorial index
Linear Referencing tutorial index
Maplex tutorial index
Representations tutorial index
Spatial Analyst tutorial index
StreetMap tutorial index
Tracking Analyst tutorial index
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
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
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
Moving features
Rotating features
Copying and pasting features
Deleting features
Adding and deleting vertices
Moving vertices
Editing attribute values of a vertex
Reshaping lines and polygons using a sketch
Splitting polygon features
Splitting line features
Trimming lines
Extending lines
Flipping lines
Scaling features
Clipping features
Stretching a feature's geometry proportionately
Simplifying and smoothing features
Editing attributes
Editing annotation
Editing dimension features
Using a digitizer
About digitizing
An overview of preparing to digitize
Registering the paper map
Digitizing features on a paper map
Spatial adjustment
Editing topology
Editing relationships and related objects
COGO
An overview of COGO
Common COGO workflows
About COGO descriptions
Adding COGO fields to a feature class
Traverse file format
Offset points file format
Applying a ground to grid correction
Reporting COGO descriptions
Using the Curve Calculator command
Using the COGO Area command
Splitting features into COGO lines
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
An overview of models
Creating a simple model
Model concepts and terms
Using ModelBuilder
Controlling the flow of processing
Model Iteration
Automating your work with scripts
Geoprocessing environments
An overview of geoprocessing environments
Environment levels and hierarchy
Script environments
Specifying application environment settings
Specifying tool environment settings
Specifying model environment settings
Specifying model process environment settings
Environment categories
Documenting tools and toolboxes
Sharing tools and toolboxes
An overview of sharing tools and toolboxes
Methods for distributing tools
Pathnames explained: absolute, relative, UNC, and URL
A structure for sharing tools
Managing intermediate data
Accessing ArcSDE data in tools
Sharing Python modules
Sharing tools on an ArcGIS Server
Keeping track of geoprocessing history
An overview of geoprocessing history
History logging and the History toolbox
Managing history
Geoprocessing history in metadata
Advanced modeling through simulations
An overview of advance modeling through simulations
General concepts of modeling through simulations
Developing the different modeling approaches
Geoprocessing tool reference
Geodatabases and ArcSDE
Data management with ArcCatalog
Data support in ArcGIS
Extensions
3D Analyst
Getting started with 3D Analyst
3D Analyst concepts
Creating 3D views
3D surfaces
TIN surfaces
Raster surfaces
Terrain surfaces
3D features
3D navigation
3D navigation tools
Displaying rasters, terrains, and TINs
Displaying features in 3D
3D symbology
Displaying 3D graphics
Interactive 3D analysis tools
Geoprocesing with 3D Analyst
ArcGIS Data Interoperability extension
ArcGIS Publisher
ArcScan
Business Analyst
About ArcGIS Business Analyst
Business Analyst toolbar
Organizing your work and creating a study area
Adding data to Business Analyst
Trade areas - customer data required
Trade areas - no customer data required
Monitor and manage trade areas
Analysis
Modeling
Working with maps
Tools
Finding a route
Reports and batch tasks
Setting Business Analyst preferences
The Business Analyst 9.2 Importer
Data descriptions
Business Analyst tools reference
Appendix
Territory Design
Geostatistical Analyst
Getting started with Geostatistical Analyst
The principles of Geostatistical Analyst
Exploratory Spatial Data Analysis (ESDA)
Deterministic methods
Creating a surface with geostatistical techniques
Using analytical tools when generating surfaces
Displaying and managing geostatistical layers
Additional geostatistical analysis tools
Maplex
Military Analyst
Military Overlay Editor
Network Analyst
PLTS
What's new in PLTS for ArcGIS
Getting started with PLTS
Managing hard-copy and data products
Creating geodatabases with PLTS
Creating features
Editing features in PLTS for ArcGIS
Editing feature attributes in PLTS
Symbolizing data (PLTS)
Validating data with GIS Data Reviewer
Generating grids with the Grid Manager
Creating map series with MPS-Atlas
Working with cartographic elements in PLTS
Geoprocessing in PLTS for ArcGIS
PLTS for ArcGIS Aeronautical Solution
PLTS for ArcGIS Defense Solution
PLTS for ArcGIS Nautical Solution
PLTS for ArcGIS product specification development
Schematics
Working with ArcGIS Schematics
Schematics Designer
Spatial Analyst
Getting started with Spatial Analyst
Solving spatial problems
Performing analysis in Spatial Analyst
The Raster Calculator
Analysis concepts
Spatial Analyst functional reference
Survey Analyst
Tracking Analyst
Geocoding and address management
Linear referencing
Network analysis
Mobile GIS
Interoperability and standards support
Customizing and developing with ArcGIS
Guide to data that comes with ArcGIS
ESRI Data and Maps
Getting started with ESRI Data and Maps
United States (census)
United States (hydrography)
United States (landmarks)
United States (transportation)
United States (other)
StreetMap USA
World
Europe
Canada
Mexico
Elevation and image data
Working with StreetMap data
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