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

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)? 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 About vertical coordinate systems Vertical datums Geoid

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 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 Using a digitizer 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 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 Batch processing with geoprocessing scripts Messaging and script tools Data properties and access when scripting Working with AMLs Scripting object: Properties and Methods Geoprocessing environments An overview of geoprocessing environments Environment levels and hierarchy Script environments Specifying application environment settings Specifying tool environment settings Specifying model environment settings Specifying model process environment settings Environment categories 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

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 An overview of displaying and querying route feature classes Working with route feature classes in ArcMap Setting the route identifier field Querying route feature classes Displaying route measure anomalies About hatching route feature classes Hatching options Displaying hatches Manipulating the text on hatches Working with hatch styles Displaying and querying route events An overview of displaying and querying route events Dynamic segmentation Adding route events Editing routes Creating and editing event data Working with route event data An overview of working with route event data About overlaying event data Overlaying events About aggregating event data Aggregating route events About transforming event measures Transforming event measures Accessing the Route Events Geoprocessing wizard

Network analysis

Mobile GIS

Interoperability and standards support

Overview of interoperability Overview of OGC and ISO support ESRI protocols and programming interfaces GML support in ArcGIS An overview of GML support in ArcGIS How to work with GML in ArcGIS Using the GML simple features profile Using supported GML profiles Adding new GML profiles

Customizing and developing with ArcGIS

Guide to data that comes with ArcGIS

ESRI Data and Maps Getting started with ESRI Data and Maps United States (census) United States (hydrography) United States (landmarks) United States (transportation) United States (other) StreetMap USA World Europe Canada Mexico Elevation and image data Working with StreetMap data

Licensing and desktop administration

ArcGIS Image Server

GIS Servers and services