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An overview of Network Analyst

Release 9.1
Last modified August 25, 2006
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The ArcGIS Network Analyst extension allows you to build a network dataset and perform analysis on a network dataset. This extension is composed of a number of parts: a wizard to create a network dataset (in ArcCatalog), a dockable Network Analyst window (in ArcMap), a Network Analyst toolbar (in ArcMap), and a number of geoprocessing tools contained within ArcToolbox.
The New Network Dataset wizard will guide you through setting up the network dataset in a geodatabase feature dataset or as a shapefile. This wizard helps you identify the feature classes that will be used as sources and the role they play in the network, specify the connectivity within the network, and identify the network attributes.

Learn more about network sources
Learn more about connectivity
Learn more about network attributes

The Network Analyst Window helps you manage inputs to analysis and results. It displays objects, such as barriers, stops, and routes.

Learn more about the Network Analyst Window

The Network Analyst toolbar is a combination of menus and buttons for adding and modifying network locations, generating directions, identifying network features, building networks, and performing analysis on network datasets.

Learn more about the Network Analyst toolbar

ArcToolbox contains tools to support each of the Network Analyst operations.

Learn more about the Network Analyst Tools toolbox

The Network Analyst extension will also support the use and creation of layers in ArcMap, including the network dataset layer and the network analysis layer. The network dataset layer allows you to display and query the underlying network dataset.

Learn more about the network dataset layer

The network analysis layer is the layer created through one of the Network Analysis operations. This layer can be used in further analysis, both within the ArcMap user interface and within the geoprocessing framework. It can also be saved as a permanent layer.

Learn more about the network analysis layer

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