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

Fundamentals of GIS Three views of GIS 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 Comparing Geoprocessing and Spatial Analysis Introducing ArcGIS Desktop Tutorials Tutorials 3D Analyst Tutorial Animation in ArcMap Tutorial ArcCatalog Tutorial ArcMap Tutorial ArcGIS Publisher Tutorial ArcReader Tutorial ArcScan Tutorial Building a Geodatabase Tutorial Database Servers Tutorial Data Interoperability Tutorial Editing Geodatabases Tutorial Editing GIS Features Tutorial Geocoding Tutorial Geoprocessing Tutorial Geostatistical Analyst Tutorial Getting Started with ArcGIS Tutorial Linear Referencing Tutorial Maplex Tutorial Network Analyst Tutorial Representations Tutorial Schematics Tutorial Spatial Analyst Tutorial StreetMap Tutorial Survey Analyst Tutorial Tracking Analyst Tutorial 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 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 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 About editing dimension features Creating dimension features Modifying a dimension feature's geometry and style Using a digitizer Spatial adjustment An overview of spatial adjustment Adding the Spatial Adjustment toolbar Setting up the spatial adjustment Working with links Working with link files and control point files Previewing and performing the adjustment Transferring attributes between features 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

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 Automating your work with scripts An overview of writing geoprocessing scripts Getting started with writing geoprocessing scripts Accessing tools within a geoprocessing script Creating script tools Batch processing with geoprocessing scripts Data properties and access when scripting Working with AMLs Scripting object: Properties and Methods Geoprocessing environments 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 Sharing and connecting to UNC pathnames Accessing ArcSDE data in tools Techniques for sharing Python scripts Managing intermediate data in shared models Sharing stylesheets Checklist for sharing tools and toolboxes Geoprocessing with ArcGIS Server Keeping track of geoprocessing history Advanced modeling through simulations

Geoprocessing tool reference

Geodatabases and ArcSDE

An overview of the geodatabase Architecture of a geodatabase Designing a geodatabase An overview of geodatabase design Geodatabase design steps Using ArcGIS Data Model designs Documenting your geodatabase design Modeling feature classes A note about the use of UML for geodatabase design Design Tips Building a geodatabase Data management workflows, transactions, and versioning Getting started with editing and maintaining data Working with non-versioned data Working with versioned data Managing Distributed Data Archiving data Geodatabase data storage and schema Administering ArcSDE geodatabases Administering File and Personal geodatabases An overview of administering file and personal geodatabases File geodatabases: compressing vs. compacting Compacting file and personal geodatabases About compressing file geodatabase data Upgrading file and personal geodatabases File geodatabases and Windows Explorer File geodatabase size and name limits File geodatabases and locking Working with geodatabases using SQL

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