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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

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
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
Automating your work with models

An overview of models

Opening ModelBuilder

Creating a simple model

Saving a 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
Geoprocessing with ArcGIS Server
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

What is raster data?

Raster bands

Cell size of raster data

Representing features in a raster dataset

Discrete and continuous data

Raster dataset zones and regions

Raster dataset attribute tables

Raster data organization

Gathering basic raster dataset information
Supported raster data

Supported raster dataset file formats

Technical specifications for raster dataset formats

About the ESRI Grid format

About MrSID rasters

BIL, BIP, and BSQ raster files

Raster data with subdatasets

Building a customized raster format
Properties of raster data
Designing a raster database
Building and managing a raster database
Raster display and visualization
Raster analysis and geoprocessing
Serving raster data
Data support in ArcGIS
Extensions

About ArcGIS Desktop extensions

Evaluating ArcGIS Desktop extensions
3D Analyst
Data Interoperability

About the Data Interoperability help system

An overview of Data Interoperability

Key concepts of the Data Interoperability extension

Using the Data Interoperability tools
Common tasks using Data Interoperability
Using the Data Interopability tools
ArcGIS for AutoCAD
ArcGIS Publisher
ArcScan
ArcSketch
Business Analyst
Geostatistical Analyst
JTX
Maplex
Military Analyst
Military Overlay Editor

About MOLE

What's new in this release

Installation and setup

Accessing the Installing and Getting Started with Defense Solutions guide

MOLE documentation and additional ways to get help
Using MOLE with 2D maps
Using MOLE with 3D maps
The MOLE geodatabase schema
Using MOLE in terrain analysis
Tracking, real-time, and MOLE
Using MOLE with ArcSDE
Using MOLE with ArcIMS
Other ESRI applications compatible with MOLE
Advanced topics
Frequently asked questions
Network Analyst
PLTS
Schematics
Spatial Analyst
Survey Analyst
Tracking Analyst
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
Creating and editing event data
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
GIS Servers and services

An overview of GIS servers used with ArcGIS
Using ArcIMS with ArcGIS Desktop
Using ArcGIS Server with ArcGIS Desktop
Authoring and publishing services for ArcGIS Server
Administering ArcGIS Server with ArcCatalog
Creating and publishing web maps for ArcGIS Server