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

Getting started

Fundamentals of GIS data 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 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 Geographic coordinate systems About geographic coordinate systems Spheroids and spheres Datums North American datums What happens to features at +/-180 (dateline)? Projected coordinate systems About projected coordinate systems About map projections Projection types Planar projections Conic projections Cylindrical projections Other projections Projection parameters 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 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 attributes Copying and pasting attributes Deleting attributes Editing with default values and attribute domains About updating data using SQL 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 Editing relationships and related objects COGO

Geoprocessing

What is geoprocessing? A whirlwind tour of geoprocessing Geoprocessing tools Geoprocessing framework Frequently Asked Questions about geoprocessing Fundamental tool concepts An introduction to the fundamental tools Overlay analysis Proximity analysis Table analysis and management Surface creation and analysis Statistical analysis Extracting data Using geoprocessing tools Automating your work with models An overview of models Creating a simple 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 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 Managing intermediate data Accessing ArcSDE data in tools Sharing Python modules Sharing tools on an 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 Building a geodatabase Data management workflows, transactions, and versioning Geodatabase data storage and schema How geodatabases are stored in a DBMS Feature geometry and raster data storage Inside a geodatabase in Oracle Inside a geodatabase in SQL Server Inside a geodatabase in DB2 Inside a geodatabase in Informix Administering ArcSDE geodatabases Administering File and Personal geodatabases Working with geodatabases using SQL

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 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

ArcGIS Image Server

GIS Servers and services