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

What's new in ArcGIS

What's new in ArcGIS 9.3 What's new in ArcGIS 9.3.1 Migration guides

Getting started

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 Projected coordinate systems Geographic transformations Geographic transformation methods Equation-based methods Grid-based methods Supported map projections 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 Editing ArcSDE geodatabases 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 Editing features that have z-values Shortcut keys for editing in ArcMap Frequently asked questions about editing Common editing tasks Creating new features 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 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

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

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 route feature classes Displaying and querying route events Editing routes Creating and editing event data 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