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Welcome to ArcGIS Desktop Help
Copyright information
Acknowledgements
GIS Dictionary
What's new in ArcGIS

What's new in ArcGIS 9.3

What's new in ArcGIS 9.3.1
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)?

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

Geographic transformation methods

Equation-based methods

Grid-based methods
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
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 annotation
Editing dimension features

About editing dimension features

Creating dimension features

Modifying a dimension feature's geometry and style
Using a digitizer
Spatial adjustment
Editing topology
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

An overview of tables and attribute information

About tabular data sources

Common tables and attributes tasks

Keyboard shortcuts for working with tables
Creating tables and managing attribute information

Creating new tables

About ObjectID fields

Adding and deleting fields

Editing values in a table

Making field calculations

Working with date fields

Reloading the table cache

Exporting records

About joining and relating tables

Joining tables

Relating tables

Joining the attributes of features by location

Creating spatial data from tables

Working with Microsoft Excel files in ArcGIS

Working with Microsoft Access files in ArcGIS
Displaying tables and attribute information
Geoprocessing
Geoprocessing tool reference
Geodatabases and ArcSDE
Data management with ArcCatalog
Image and raster data management
Understanding raster data
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

How raster data is stored in a geodatabase

Exploring geodatabase raster catalogs

Creating raster datasets in a geodatabase

Creating raster catalogs in a geodatabase

Importing raster datasets

Exporting or converting raster datasets

Exporting raster catalogs

Mosaicking raster datasets

Persisting a transformation to a raster dataset without rectifying it

Migrating your 8.x raster catalog

Updating your geodatabase raster catalog footprints

Loading large raster datasets into ArcSDE

Transferring large raster datasets

Building large raster datasets-case studies

Raster data and disconnected editing
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
Serving raster data
Serving raster data
Data support in ArcGIS

An overview of data support in ArcGIS

Data formats supported in ArcGIS
CAD data
The composition of a CAD drawing
Working with CAD data in ArcGIS
Displaying CAD features
Georeferencing CAD data
CAD feature attributes and queries
CAD data translation
Geoprocessing tools for CAD translation
Common CAD data workflows
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

An overview of linear referencing

Common tasks in linear referencing

Some linear referencing scenarios

Linear referencing datasets in ArcGIS

Designing a linear referencing system in your geodatabase
Creating route feature classes

An overview of creating route feature classes

Creating route feature classes

Defining the measure properties of your m coordinates

Using existing linear features to create routes

Creating routes from existing lines

About calibrating route measures using points

Calibrating routes with points

Migrating route features to a geodatabase

Accessing the Create Routes wizard

Accessing the Calibrate Routes wizard
Displaying and querying route feature classes
Displaying and querying route events

An overview of displaying and querying route events

Dynamic segmentation

Adding 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
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
Customizing and developing with ArcGIS

An overview of customizing ArcGIS
Customizing the user interface
Writing macros using VBA
Extending ArcGIS desktop applications
Guide to data that comes with ArcGIS
Licensing and desktop administration

Administering the ArcGIS License Manager

Setting up license managers for ArcGIS 93 concurrent use products

Checking license availability

Viewing and changing the license manager

Common license manager problems and how to solve them

Setting the software product

Registering ArcView or ArcEditor and extensions

Evaluating an ArcGIS Desktop extension

Error reporting for ArcGIS software crash data

Frequently asked questions about error reporting
GIS Servers and services