Collapse all Welcome to ArcGIS Desktop Help Copyright information Acknowledgements GIS Dictionary

What's new in ArcGIS

Getting started

Fundamentals of GIS Introducing ArcGIS Desktop Tutorials Toolbars Getting more help

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)? GCS_Assumed_Geographic_1 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

Mapping and visualization

Editing and data compilation

Tables and attribute information

Geoprocessing

Geoprocessing tool reference

Geodatabases and ArcSDE

Data management with ArcCatalog

Image and raster data management

Data support in ArcGIS

Extensions

Geocoding and address management

Getting started with geocoding Understanding geocoding Preparing for geocoding Building an address locator Locating addresses The geocoding process Finding an individual address Getting an address of a location Geocoding a table of addresses Rematching a geocoded feature class Additional geocoding techniques Keeping an address locator current Updating your reference data Versioned data and the address locator Rebuilding address locators Distributing your address locator Deciding to share an address locator Collecting address locators Making your address locator public Accessing distributed address locators Sharing pre-9.2 address locators Adjusting your address locator file About StreetMap data

Linear referencing

Getting started with linear referencing Creating route feature classes Displaying and querying route feature classes Displaying and querying route events Editing routes Creating and editing event data An overview of creating and editing event data Creating event tables in ArcCatalog About locating features along routes Locating features along routes Editing event tables in ArcMap Working with route event data

Network analysis

Mobile GIS

Interoperability and standards support

Customizing and developing with ArcGIS

Guide to data that comes with ArcGIS

Licensing and desktop administration

GIS Servers and services