Manual Traffic Counting

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This page describes "Manual Traffic Counting", a shareware application software. It was programmed with LabVIEW (National Instruments, Austin, USA), Version 8.5.

The programm basically records keyboard strokes. Traffic, such as individual vehicles, can be recorded and classified by the choice of striking any of the 8 keys A, S, D, F, J, K, L, ;.

Requirements

  • A Windows PC with LabVIEW 8.5 (full development version) or the corresponding run-time engine.

Explanations of the LabVIEW program

You can start the LabVIEW application by clicking on the arrow symbol, which is in the left corner of the toolbar.

Make sure you simultaneously start the video, which you plan to evaluate.

  • Directory: Here, you type in the file directory where you would like to store the classified vehicle data, e.g. "C:\Users\...\Traffic Video\taft avenue counts".
  • Start time of the video: This indicates the start time of the pre-recorded traffic video or, in case you are counting vehicles in real-time, the actual time.
  • File name: This name will given to all output files, combined with an unequivocal time stamp.
  • Speed factor of video display: In case you need to slow down your pre-recorded traffic video, please indicate the speed factor here.
  • Cumulative counts (8 categories): Will display for you the current state of the vehicle statistics.
  • Julian date of last vehicle: Julian date will start counting at 0.0 on Jan 1 of a particular year, and then counts the time in days from there on.
  • Time stamp of last vehicle: This is a kind of universally understandable time stamp.

Output file

The output file contains the following columns:

Column 1: Time of a particular vehicle count, in the universal format "yyyy-mm-ddThh:mm:ss".

Column 2: Time of a particular vehicle count in Julian Day.

Column 3: Indicates "1" for a vehicle counted in the category 1 (key "A"), and "0" for none.

Columns 4...: as Column 3, for the rest of the 8 vehicle categories.


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