Linear_Referencing_Tutorial.pdf

ArcGIS ® 9

Linear Referencing in ArcGIS ®

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DATA CREDITS

Highways and streets map—Maryland Department of Transportation State Highway Administration, Baltimore, Maryland

Transit map—Parsons Brinckerhoff Quade & Douglas, Inc., Los Angeles, California

Railways map—Parsons Brinckerhoff Quade & Douglas, Inc., Los Angeles, California

Oil and gas exploration map—TGS–NOPEC Geophysical Company, Houston, Texas

Pipelines map—M.J. Harden Associates, Inc., Kansas City, Missouri

Water resources map—Center for Research in Water Resources, University of Texas at Austin

Hatching map 1—New York State Department of Transportation, Albany, New York

Hatching map 2—TGS–NOPEC Geophysical Company, Houston, Texas

AUTHORS

Patrick Brennan, Melanie Harlow

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Software); and DFARS §252.227-7015 (NOV 1995) (Technical Data) and/or DFARS §227.7202 (Computer Software), as applicable. Contractor/Manufacturer

is ESRI, 380 New York Street, Redlands, CA 92373-8100, USA.

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Quick-start tutorial

IN THIS CHAPTER

ArcGIS has the tools you need for linear referencing applications. The easiest

way to start learning about linear referencing is to complete the exercises in this

tutorial. Before you start, however, it is assumed you know the fundamentals of

ArcGIS software. For more information, see Geoprocessing in ArcGIS , Using

ArcCatalog , Using ArcMap , and Editing in ArcMap .

For this tutorial, imagine that you work in the GIS department of a highway

authority responsible for the maintenance and safety of your region’s highways. In

the exercises to follow, you will perform some of the linear referencing tasks

typical to such a person. Specifically, you will use the linear referencing tools in

ArcToolbox ™ to create and recalibrate route data. Next, you will learn how to

display and query your newly created route data in ArcMap ™ . After that, you will

discover how easy it is to display and query your route event data in ArcMap.

Lastly, you will learn how to edit your route data in ArcMap.

The licenses required to complete each exercise vary from ArcView ® to

ArcEditor ™ to ArcInfo ™ . If you require a license different from ArcView, it will be

indicated at the top of the page. Even if you don’t have the appropriate license,

feel free to read through the exercises to familiarize yourself with the linear

referencing functionality in ArcGIS.

This tutorial includes five exercises, each of which takes five to 30 minutes to

complete. The exercises build on one another, so it is assumed that you will

complete them in order.

The study area for this tutorial is Pitt County, North Carolina. The data was

compiled from various sources and has been modified to suit the needs of the

exercises. The reliability and suitability of the information, therefore, cannot be

guaranteed.

• Exercise 1: Organizing your data

in ArcCatalog

• Exercise 2: Creating and

calibrating route data

• Exercise 3: Displaying and

querying routes

• Exercise 4: Displaying and

querying route events

• Exercise 5: Editing routes

Exercise 1: Organizing your data in ArcCatalog

The exercises in this chapter use the tutorial data distributed

with ArcGIS and work with an ArcView license. Some of

these exercises require you to make changes to the data,

therefore, you will need to have write access to the data.

To be sure you have write access, you will begin this

exercise by making a working copy of the

LinearReferencing tutorial folder.

4. Navigate to the location where you would like to make a

copy of this data, such as C:\.

5. Right-click this location and click Paste.

A new folder called Linear Referencing will be created at

this location.

6. Right-click this new folder and click Rename. Enter

“MyLR” as the new folder name.

Copying the data

1. Start ArcCatalog ™ by either double-clicking a shortcut

installed on your desktop or using the Programs list in

your Start menu.

2. Navigate to the LinearReferencing folder on the local

drive where the tutorial data is installed, for example,

C:\arcgis\ArcTutor\LinearReferencing.

If the data was installed by your system administrator in

a shared folder on the network, the path to the tutorial

folder includes the names of the computer and the

connection through which the folder is accessed, for

example,

\\dataserver\public\ArcGIS\ArcTutor\LinearReferencing.

3. Right-click the Linear Referencing folder and click

Copy.

Connect directly to your tutorial data

In ArcCatalog, folder connections let you access specific

directories on local disks or shared folders on the network.

Further, database connections allow you to access the

contents of a database.

1. Click the Connect To Folder button on the Standard

toolbar.

L INEAR R EFERENCING IN A RC GIS

2. Navigate to and select your location of MyLR.

3. Click OK.

The new folder connection is now listed in the Catalog tree.

You will now be able to access all of the data needed for

the remaining exercises in this tutorial via the new

connection.

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