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Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network 1 AUTOMATIC TRANSFER OF GPS TRAVEL TIME DATA TO A ROADWAY NETWORK.

Published byLetitia Simpson Modified over 9 years ago

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Presentation on theme: "Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network 1 AUTOMATIC TRANSFER OF GPS TRAVEL TIME DATA TO A ROADWAY NETWORK."— Presentation transcript:

1 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network 1 AUTOMATIC TRANSFER OF GPS TRAVEL TIME DATA TO A ROADWAY NETWORK Presenter: Francisco J. Torres, P.E. North Central Texas Council of Governments

2 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Basic Process Reading of Data Files Creation of Lines from GPS Points Assignment of GPS Lines to Roadways Aggregation of Point Data into Travel Time Measures

3 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Reading Data Files Reading and parsing of files produced by GPS device Reading and parsing of files produced by GPS device Basic data: latitude, longitude, timestamp and speed Basic data: latitude, longitude, timestamp and speed Implementation of data cleanup routines Implementation of data cleanup routines

4 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Creating Lines fromPoints

5 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Assignment to Roadways

6 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Aggregation of Measures

7 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Conclusions The application was developed in a GIS (TransCAD/Maptitude) The application was developed in a GIS (TransCAD/Maptitude) Automatic transfer of travel time/speed data to a roadway network Automatic transfer of travel time/speed data to a roadway network Need to process large amounts of GPS data in a fast, efficient and reliable way Need to process large amounts of GPS data in a fast, efficient and reliable way

8 Thursday, May 10th, 2007 Automatic Transfer of GPS Travel Time Data to a Roadway Network Thursday, May 10th, 2007 Questions? Thank You!

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