1. Incident Location Tool for TraCS 10
What You Should Know About ILT 5
Dan Gieseman
Location Systems Development Manager
Institute for Transportation
Iowa State University

2. ILT 5 Current Release Notes
ILT 5 is deployed exclusively with TraCS 10.
Supports Point and Click mapping of incidents in TraCS.
ILT 5 has progressed from Beta Release to Production stability.
Current version number is
TraCS 10 requires ILT location on some forms.
Currently deployed as part of a limited TraCS 10 rollout.
Coming Soon to an agency near you! 01

3. ILT Functionality Overview
Users of ILT 5 locate using the ILT “Puck”.
Be familiar with these common ILT Functions:
Location
Snapping
Measuring
Labeling
GPS Guidance
Auto-Panning
Inset Map
Map Control Buttons - Zoom In/Out, Full View, etc
Finders are being added
Currently there is a GPS Map Location Finder. 02

4. Anatomy of the Locator Puck
GPS On/Off
Snap On/Off
NAV
MEAS
SNAP
LABEL
Grip Point
Measure On/Off
Label On/Off
Manual Locate Reticule
Measure Distance
Location Description
NAV
MEAS
SNAP
LABEL
352 FT
US 0069/GRAND AVE and 24TH ST
Locate Incident Button 03

5. Incident Location Tool: User Interface
Map Control Buttons
The Locator “Puck” 04

6. A Closer Look: ILT Basic Functions05

7. In-Depth: Snapping Illustrated
This Distance is called Snap Tolerance.
A Roadway Network
User positions puck here.
Snapping records Incident here.
Snap Tolerance (old way): Preset Fixed Distance.
Snap Tolerance (new way): Dynamic based on Map Extent. 06

8. What Exactly is Dynamic Snap Tolerance?
Snap Tolerance is Whatever this Distance is on the current Map Extent. 07

9. More on ILT GPS Guidance
User can move Puck OR GPS can guide the Puck!
ILT 5 Auto-Detects GPS Feed on any Serial Port.
Technically Speaking:
Any Real or Virtual COM Port
NMEA Sentences at , N, 1
Be Aware: GPS is Subject to Atmospheric Interference.
Be Aware: GPS does NOT fit roadway maps perfectly.
However: GPS alongside Snapping yields high Location Accuracy! 08

10. A Closer Look: ILT GPS Guidance09

11. Attention Admins: ILT 5 Can Receive Web Updates!
Sub-System is called ILT Version Update Server
Maintains system code AND mapping via Web Updates.
Constant network connectivity is NOT required.
ILT software and maps are Version Fingerprinted (Build IDs).
Update files are packaged and compressed for transfer.
Offline Mode is supported (e.g. via USB or CD).
Control is tunneled in HTTP and Data transfer uses FTP. 10

12. Version Update Architecture11

13. A Closer Look: ILT Version Update Server12

14. THANK YOU!
Dan Gieseman 13