Collapse all Welcome to ArcGIS Desktop Help Copyright information GIS Dictionary

What's new in ArcGIS

What's new in ArcGIS 9.2 Migration guides Migrating from ArcView GIS 3 to ArcView 9 Migrating from ArcInfo Workstation to ArcGIS Desktop

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 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

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 annotation An overview of editing annotation Creating new annotation features Creating and editing annotation that follows features Editing the size and position of annotation features Editing annotation in the Attributes dialog box Editing the appearance of annotation features Editing feature-linked 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 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

Geoprocessing tool reference

Geodatabases and ArcSDE

Data management with ArcCatalog

Data support in ArcGIS

Extensions

Geocoding and address management

Linear referencing

Getting started with linear referencing Creating route feature classes Displaying and querying routes feature classes Displaying and querying route events Editing routes An overview of editing routes Creating route features from existing lines Using ArcMap to calibrate routes with points About setting route measures Remeasuring routes Adding the Route Editing toolbar Creating and editing event data Working with route event data

Network analysis

Mobile GIS

GPS Getting started with ArcMap GPS Support Adding the GPS toolbar Connecting to a GPS device Simulating a connection to a GPS device Using the GPS Position window Changing the display options Keeping the current location in the view Adding a destination Writing GPS locations to a log Tablet PC An overview of Tablet PC technology ArcGIS and Windows XP Tablet PC Edition Adding the Tablet toolbar Pen tool Highlighter tool Eraser tool Commands on the Tablet toolbar ArcPad integration

Interoperability and standards support

Customizing and developing with ArcGIS

Guide to data that comes with ArcGIS

Licensing and desktop administration

ArcGIS Image Server

GIS Servers and services