Collapse all Welcome to ArcGIS Desktop Help Copyright information Acknowledgements GIS Dictionary

What's new in ArcGIS

Getting started

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)? GCS_Assumed_Geographic_1 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 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 Editing attributes Editing annotation Editing dimension features 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

Tables and attribute information

Geoprocessing

Geoprocessing tool reference

Geodatabases and ArcSDE

Data management with ArcCatalog

Image and raster data management

Data support in ArcGIS

An overview of data support in ArcGIS Data formats supported in ArcGIS CAD data Coverages NetCDF: multidimensional, time series data Shapefiles Terrains An overview of terrain datasets FAQs for terrain datasets Terrain dataset troubleshooting Known limitations of terrain datasets Understanding terrain datasets Properties of terrain datasets Building terrain datasets Managing terrain datasets Terrain analysis Terrain visualization

Extensions

Geocoding and address management

Linear referencing

Getting started with linear referencing Creating route feature classes Displaying and querying route 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 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 WFS support in ArcGIS WCS support in ArcGIS WMS support in ArcGIS KML support in ArcGIS

Customizing and developing with ArcGIS

Guide to data that comes with ArcGIS

Licensing and desktop administration

GIS Servers and services