Digital Quest, Inc.

Course at a glance:
This course takes you deeper in exploring data layers that you have studied in the past to analyze the flow or navigation of networked data. In this course you will delve into the specifics of Network Analyst extension program of the ArcGIS 9.1 suite and examine how problems dealing with geospatial networks and routing may be found in the business world and in communities. The five types of analyses that you will cover in this course will be: Exploring Geospatial Networks, Finding the Best Route, Finding the Closest Facility, Determining Service Areas, and Modeling Real World Traffic Flow.

Explore Geospatial Networks: Identify data terminology dealing with geospatial networks and routing; Activate the Network Analyst for ArcGIS 9.1 extension program; Create network datasets using existing shapefiles and geodatabases

Finding the Best Route: Identifying tools and techniques associated with the Network Analyst extension program; Finding the most efficient routes for numerous stops on a complicated street network; Generating directions from one location to another using a street network

Finding the Closest Facility: Identifying terms dealing with geospatial networks and routing; Finding the closest facility from a location on a complex street network; Generating directions from one location to another using a street network

Determining Service Areas: Defining service areas using a street network based on travel time; Creating a Origin-Destination Cost Matrix to communicate costs associated with travel from facilities to destinations in a geospatial network

Modeling Real World Traffic Flow: Simulate real world traffic flow including one-way streets and closed streets

During the course you will also learn….

Adding Data Layers
Including Barriers in Analysis
Adding Fields to a Table
Including Restrictions in Analysis
Adding Network Analyst Toolbar
Inserting Data Frames
Adding Network Datasets
Joining Tables
Adding Network Datasets
Launching ArcCatalog
Adding New Attributes
Learning to Navigate in a Geodatabase
Adding New Routes
Loading the Network Analyst Extension
Adding Stops to Routes
Measuring Travel Costs
Calculating the Cost of a Route
Navigating to Folders
Calculating Values in Table
Preparing Data to Show Restrictions
Changing Distance Units
Preparing Files for Analysis
Changing Search Tolerance
Printing Maps With or Without Directions
Changing Tolerance Levels
Relocating Unlocated Features on a Route
Connecting to Folder
Renaming a Layer
Copying and Pasting files in ArcCatalog
Reordering Stops to Find Optimal Routes
Creating a Multimodal Network Dataset
Reviewing Network Datasets Settings
Creating a Network Dataset from a Geodatabase
Saving a Route Layer as a Layer File
Creating a Network Dataset from a Shapefile
Saving files to a Folder
Creating an Address Locator in ArcCatalog
Selecting by Attributes
Creating an Origin-Destination Cost Matrix
Selecting by Location
Creating Legends for Maps
Using the Analysis Layer Properties Button
Creating Map Layouts
Using the Line Decoration Editor
Determining Service Areas
Using the New Network Dataset Wizard
Editing a Network Dataset
Using Zoom to Layer
Editing Symbology of a Layer
Utilizing the Add as Network Location Tool
Establishing Connectivity
Utilizing the Directions Button
Exporting Layers as Shapefiles
Utilizing the Global Turns Method
Exporting Maps as JPEGs
Utilizing the Select/Move Network Locations Tool
Finding Closest Facility
Utilizing the Solve Button
Finding the Best Route in a Network Using Loaded Stop Locations
Finding the Best Route in a Network using the Find Tool
Zooming techniques

Why is this topic important?
Spatial Analyst is used in many common careers. Spatial Analyst takes into consideration the various contours of the earth when making its calculations. For example, in telecommunications it is important to finding the area covered by a cell phone tower. In real estate it is used in finding the best site for your business, home or garden. In law enforcement it is used to find the prime locations for a stakeout. In meteorology it is used to determine where the most precipitation has fallen within a certain time frame. Virtually every business can benefit from the use of Spatial Analyst.

Table of Contents:

Unit 3: Applications in Geospatial Networks & Routing

Lesson 1 Creating Network Data Sets
Lesson Objectives

Identify terminology dealing with geospatial networks and routing
Activate the Network Analyst for ArcGIS 9.1 extension program
Create a network dataset using an existing shapefile
Create a network dataset using an existing geodatabase

Lesson & Enrichment Exercises: Creating Network Data Sets

Exploring network datasets needed for routing analysis
Create a network dataset from a shapefile to be used in analysis
Preview the network dataset in ArcCatalog
Create a network dataset from a geodatabase to be used in analysis
Create a multimodal network dataset from a multiple networks in a geodatabase

Lesson 2 Finding Best Route
Lesson Objectives

Identify terminology dealing with geospatial networks and routing
Identify tools and techniques associated with the Network Analyst extension program
Find the most efficient routes for numerous stops on a street network, given various conditions
Generate directions from one location to another using a street network

Lesson & Enrichment Exercises: Finding Best Route

Add a network dataset to ArcMap
Load the Network Analyst extension program
Add the Network Analyst toolbar to the ArcMap window
Load locations to be used for routing analysis
Set Analysis Properties for routing analysis
View directions created from routing analysis
Export route data layers created from routing analysis
Relocating unlocated features in a routing analysis
Move locations in the network interactively in the map display
Set the search tolerance in Analysis Properties to locate unlocated features in the network
Add locations to be used for routing analysis using the Find tool
Create an Address Locator in ArcCatalog to find addresses in the local street network dataset to use for routing analysis
Create a map layout

Lesson 3 Finding Closest Facility
Lesson Objectives

Identify terminology dealing with geospatial networks and routing
Identify tools and techniques associated with the Network Analyst extension program
Find the closest facility from a location on a street network, given various conditions
Generate directions from one location to another using a street network

Lesson & Enrichment Exercises: Finding Closest Facility

Set Analysis Properties for closest facility analysis
Find facility locations closest to an incident location based on travel time on the route from facility to incident.
Find the closest emergency response facilities located within five minutes of an emergency location
View directions created for multiple routes in the routing analysis
Identify tools and techniques associated with the Network Analyst extension program

Lesson 4 Determining Service Areas
Lesson Objectives

Identify terminology dealing with geospatial networks and routing
Identify tools and techniques associated with the Network Analyst extension program
Define service areas using a street network based on travel time
Create a Origin-Destination Cost Matrix to communicate costs associated with travel from facilities to destinations in a geospatial network

Lesson & Enrichment Exercises: Determining Service Areas

Add new cost attribute fields to a street shapefile
Calculate travel costs for each segment of a street shapefile
Join a table containing speed limit data to a street shapefile to allow for travel time cost attributes to be used in analysis
Determine service areas for numerous facility locations in a geographic area
Set Analysis Properties for service area analysis
Edit symbology of service area polygons to reflect each polygon s facility affiliation
Determine areas of the network dataset not included in any service area
Move a facility location to address key locations not included in a service area
Use single and multiple break values to establish service areas
Edit symbology of service area polygons to show multiple break service areas
Create an Origin-Destination Cost Matrix to display travel costs from each facility origin to destination locations inside the network dataset
Edit symbology of the Origin-Destination Cost Matrix to reflect the cost associated with the travel facility origins to destinations

Lesson 5 Modeling Real World Networks
Lesson Objectives

Identify terminology dealing with geospatial networks and routing
Identify tools and techniques associated with the Network Analyst extension program
Model real-life traffic flow including one-way streets and closed streets

Lesson & Enrichment Exercises: Determining Service Areas

Prepare street shapefile data so that one-way streets can be modeled in a map display
Edit a shapefile field to designate street segments that are included in one-way streets
Create a network dataset that includes a restriction attribute
Perform a Closest Facility analysis to experiment with one-way restrictions in a street network
Add barriers to an analysis scenario to examine how routes change due to restrictions caused by closed streets in a network
Add barriers to a network scenario by loading the locations and by placing

Who could use this knowledge?

Who are the direct stakeholders?

Skills we assume you have before you take this class:

You must know ArcGIS 9.1, have basic computer skills, including a working knowledge of an office suite (such as PowerPoint, Word Docs, and Spread Sheets) and experience with the Internet.

Software you will need:

ArcGIS 9.1 with Network Analyst extension, an office suite (such as PowerPoint, Word Docs, and Spread Sheets) and an Internet browser.

Hardware you will need:

A networked computer lab with a 1:1 ratio of students to computers, which meets the following minimum specifications: Pentium-III, Celeron, Pentium 4 or AMD Athlon running at 1ghz or equivalent, at least 1GB of RAM memory, Windows 2000 or Windows XP Professional, a network server providing at least 500MB of storage per student, and appropriate read/write permissions for both the server and workstations. You will also need Internet access and a suitable means of displaying PowerPoint presentations (LCD projector, large monitor, plasma screen, etc.). You will also need a GPS unit.

Teacher Support…

Detailed, thorough student documentation, Full lesson plans including objectives, materials needed, procedures and assessments, PowerPoint presentations with narratives, Customized assessment and answer keys based on local data

What Data will you use…

Filename Type Description
cfcc dbf Census Feature Class Codes

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