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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

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

List of supported map projections

Aitoff

Alaska Grid

Alaska Series E

Albers Equal Area Conic

Azimuthal Equidistant

Behrmann Equal Area Cylindrical

Bipolar Oblique Conformal Conic

Bonne

Cassini-Soldner

Chamberlin Trimetric

Craster Parabolic

Cube

Cylindrical Equal Area

Double Stereographic

Eckert I

Eckert II

Eckert III

Eckert IV

Eckert V

Eckert VI

Equidistant Conic

Equidistant Cylindrical

Equirectangular

Fuller

Gall's Stereographic

Gauss-Krüger

Geocentric Coordinate System

Geographic Coordinate System

Gnomonic

Goodes Homolosine

Great Britain National Grid

Hammer-Aitoff

Hotine Oblique Mercator

Krovak

Lambert Azimuthal Equal Area

Lambert Conformal Conic

Local Cartesian Projection

Loximuthal

McBryde-Thomas Flat-Polar Quartic

Mercator

Miller Cylindrical

Mollweide

New Zealand National Grid

Orthographic

Perspective

Plate Carrée

Polar Stereographic

Polyconic

Quartic Authalic

Rectified Skewed Orthomorphic

Robinson

Simple Conic

Sinusoidal

Space Oblique Mercator

State Plane Coordinate System

Stereographic

Times projection

Transverse Mercator

Two-Point Equidistant

Universal Polar Stereographic

Universal Transverse Mercator

Van der Grinten I

Vertical Near-Side Perspective

Winkel I

Winkel II

Winkel Tripel
Vertical coordinate systems

About vertical coordinate systems

Vertical datums

Geoid
Mapping and visualization
An overview of mapping and visualization

An overview of ArcMap

Data frames

Map layers

Symbols and styles

Text on maps

Cartographic representations

Map layouts and map printing

Graphs, reports, and animations

Common tasks within ArcMap

Keyboard shortcuts for use within ArcMap

ArcMap application patterns
Using ArcMap

Layers, data frames, and the table of contents

Starting ArcMap

Creating a new map

Opening a map

Using the table of contents

About coordinate systems and map projections

Specifying a coordinate system

Referencing data in the map

Working with data frames

Pausing the map's drawing

Saving a map and exiting ArcMap

Saving to previous versions of ArcGIS

Keyboard shortcuts in ArcMap
Working with layers

Adding layers to a map

Adding a layer package to your map

Adding x,y coordinate data as a layer

Changing a layer's drawing order

Changing a layer's text description

Setting layer properties

Managing group layers

Saving a layer to disk

Copying layers

Displaying layers at certain scales

Displaying a subset of features in a layer

Repairing broken data links

Viewing a layer's metadata in ArcMap

Setting HTML pop-up properties for feature layers
Navigating and interacting with maps
Adding graphics and text to maps
Working with graphics
Working with text
Symbolizing data
Animation
Using cartographic representations
Getting started with representations
Representation concepts
Working with representations
Editing feature representations
Page layout and map composition
Working with graphs and reports
Working with web maps in ArcGIS

An overview of GIS Web map layers

Working with ArcGIS Server in ArcGIS Desktop
Using services from ArcGIS Server
Using services from ArcIMS
Using OGC Services
Using KML
Using ArcGIS Online
Using image service layers
Working with service layers in the table of contents
Printing and exporting maps containing service layers
Publishing optimized map services in ArcGIS
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

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

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
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

An overview of COGO

Common COGO workflows

About COGO descriptions

Adding COGO fields to a feature class

Traverse file format

Offset points file format

Applying a ground to grid correction

Reporting COGO descriptions

Using the Curve Calculator command

Using the COGO Area command

Splitting features into COGO lines
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

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

An overview of using tools
Using the tool dialog
Managing toolboxes
Managing tools and toolsets
Batch processing
Using tools in the command line
Tool layers
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

An overview of geoprocessing with ArcGIS Server

Key concepts for geoprocessing services

Guide to related geoprocessing with server topics

Input and output data types

Creating models for geoprocessing services

Preparing map documents containing tool layers

Defining output symbology for geoprocessing tasks

Defining symbology for input feature sets

Publishing geoprocessing services

Managing the jobs directory

Deploying services on multiple computers - LocalJobsDirectory

Data access considerations for geoprocessing tasks

Creating tasks for the UNIX/Linux environment

Creating script tools for geoprocessing tasks

Using geoprocessing tasks in Python scripts

Spatial reference considerations for geoprocessing services

Performance tips for geoprocessing services

Checklist for authoring and publishing geoprocessing services

Python scripts to zip and unzip data
Geoprocessing service examples
Keeping track of geoprocessing history
Advanced modeling through simulations
Geoprocessing tool reference
Geodatabases and ArcSDE
Data management with ArcCatalog
Image and raster data management
Understanding raster data
Supported raster data
Properties of raster data

About raster dataset properties

Raster pyramids

Raster dataset statistics

Raster compression

About reduced resolution dataset files

About auxiliary files

About proxy files

Defining a raster's coordinate system

Raster dataset colormaps

Bit depth capacity for raster dataset cells

NoData in raster datasets

World files for raster datasets
Designing a raster database
Building and managing a raster database
Raster display and visualization

Displaying rasters

Adding a raster dataset to a map

Adding a raster catalog to a map

Saving a raster dataset or catalog layer file

About setting default raster display options

Choosing which raster formats can be viewed

Setting the default bands to display multiband rasters

Displaying the raster's spatial resolution

Georeferencing a raster dataset

Georeferencing video sample

Orthorectifying a raster dataset

About projecting raster datasets on the fly

Improving the display of raster data

Color correcting using raster data

Working with the histogram when displaying raster data

Changing the appearance of background values

Symbolizing values of NoData in raster datasets

Interactively viewing pixel values using the Pixel Inspector

Interactively reveal rasters using the Swipe Layer tool

Panchromatic sharpening

Performance tuning for displaying raster data
Raster analysis and geoprocessing

About analyzing raster data

Making selections using the geodatabase raster catalog

Raster conversion

Core geoprocessing tools for raster data

About environment settings for raster data

Specifying raster storage environment settings

Specifying raster analysis environment settings

Specifying the snap raster environment setting
Serving raster data
Serving raster data
Data support in ArcGIS
Extensions
Geocoding and address management
Getting started with geocoding
Understanding geocoding

What is an address?

The geocoding work flow

The geocoding framework

The process of geocoding

Customization of the address locator

Common geocoding tasks
Preparing for geocoding
Building an address locator
Locating addresses
Additional geocoding techniques
Keeping an address locator current
Distributing your address locator

Deciding to share an address locator

Collecting address locators

Making your address locator public

Accessing distributed address locators

Sharing pre-9.2 address locators
Adjusting your address locator file
About StreetMap data

About StreetMap data
Linear referencing
Getting started with linear referencing
Creating route feature classes
Displaying and querying route 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
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

Using the Network Analyst extension
Analyzing geometric networks
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