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 Migrating from ArcView GIS 3 to ArcView 9 Migrating from ArcInfo Workstation to ArcGIS Desktop

Getting started

Fundamentals of GIS Introducing ArcGIS Desktop Tutorials Toolbars Getting more help Using this Help system Getting help within the applications ArcGIS Desktop Resource Center 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)? GCS_Assumed_Geographic_1 Projected coordinate systems Geographic transformations 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 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 About digitizing An overview of preparing to digitize Registering the paper map Digitizing features on a paper map 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

Tables and attribute information

Understanding tables and attribute information Creating tables and managing attribute information Displaying tables and attribute information

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 Opening ModelBuilder Creating a simple model Saving a model Model concepts and terms Using ModelBuilder Controlling the flow of processing Model Iteration Automating your work with scripts Geoprocessing environments Documenting tools and toolboxes An overview of documenting tools and toolboxes An overview of the Documentation Editor Entering topics in the Documentation Editor Using the page editor Documenting models Documenting scripts Viewing documentation for tools Changing tool dialog appearance Referencing a compiled help file Exporting tool documentation to an HTML file Sharing tools and toolboxes Geoprocessing with ArcGIS Server Keeping track of geoprocessing history Advanced modeling through simulations

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

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