Using_Tracking_Analyst_Tutorial.pdf

ArcGIS ® 9

Using ArcGIS ® Tracking Analyst

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Quick-start tutorial

IN THIS CHAPTER

The best way to learn Tracking Analyst is to try it yourself. This chapter

guides you through three exercises that will help you gain some basic skills

in adding, symbolizing, and replaying fixed-time temporal data from disk in

ArcMap, as well as how to apply actions to the data.

You’ll be using data from hurricanes in 2000. You will add the temporal

shapefile, customize how you want it to display on the map, and then play

back the data. Then you’ll use the Actions tab to apply a highlight to a

hurricane when its winds reach or exceed a certain velocity.

• Exercise 1: Adding and symboliz-

ing temporal data

• Exercise 2: Replaying temporal

• Exercise 3: Applying actions

Exercise 1: Adding and symbolizing temporal data

The scenario for the following exercises involves hurricane

data from 2000. You’ll add a shapefile of hurricanes con-

taining temporal information to an existing ArcMap docu-

ment (.mxd file) using the Add Temporal Data Wizard.

Then you’ll symbolize the data to indicate passing time. For

procedures for adding real-time data, refer to Chapter 8,

‘Working with real-time data’.

Adding a shapefile or feature class

The following exercise leads you through the steps of

adding a shapefile containing fixed-time data from disk.

This shapefile contains simple temporal event data. For

more information on simple and complex events, refer to

Chapter 3, ‘Working with temporal data’.

1. Start ArcMap and open the hurricanes2000.mxd file

from your sample data folder.

2. Click the Add Temporal Data Wizard button on the

Tracking Analyst toolbar. The wizard opens within the

ArcMap window.

5. Click the 2000_hrcn.shp shapefile in your sample data

folder and click Add.

3. Leave the first button clicked to browse for a feature

class or shapefile.

4. Click the Browse button to find the shapefile.

The file’s pathname appears in the Add Temporal Data

Wizard, and the two text boxes below it are enabled with

default values.

U SING A RC GIS T RACKING A NALYST

6. Click the date/time field dropdown arrow and click

TA_DATE. This tells ArcMap to look in this field for the

temporal component of the data. Tracking Analyst

Symbology settings will also use this field to determine

how symbols will draw during playback.

7. Click the track identifier field dropdown arrow and

choose EVENTID from the fields listed. The ID field

identifies each object in the dataset. Tracking Analyst

uses it to apply tracks to data and to join complex

temporal events.

8. Click Next.

Note: If your date and time information resides in a date

field, as opposed to a string field, you will see a Finish

button instead of Next.

9. Click the dropdown arrow to choose a locale corre-

sponding to the data you are adding. Available date and

time formats may update automatically.

10. Click the dropdown arrow to choose a date format that

best matches your data. Use the sample record from

your data at the top of the dialog box panel for guidance.

Note: If this format differs greatly from the Windows

short date format, the data may not be evaluated

correctly.

11. Click the dropdown arrow to choose a time format that

best matches your data. Use the sample record from

your data at the top of the dialog box panel for guidance.

Note: If this format differs greatly from the Windows

short date format, the data may not be evaluated

correctly.

12. Enter AM and PM designators, if needed.

Note: The first field on the panel is a sample of your

data pulled from the first field of the dataset you are

adding.

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