Program and case examples

Downloads

The current version is : Portable_Q-Traf v1203

Installation

Q-Traf is a portable app, there is no installation needed. Just double-click on Q-Traf.exe to run it (Q-traf.exe must be in the root folder of each example provided).

Of course the program in itself is not enough ; one needs all the necessary folders and files of the input data. They are all provided in the examples to download. The list and details of the needed data, and their structures, are described in the “Users manual”.

How to use the examples

Q-Traf needs data (files and folders). To use Q-Traf with the provided examples, you need to download :

• One or several examples. Each example contains the program Q-Traf and all the folders and files needed. All the files are text files (“.csv” files)
• The Users Manual

To see the results of a trips assignation of a provided example, you need to :

• have a GIS (as QGis, ArcGis, or another)
• Open a QGis project : With the file *.qgz provided in the QGis folder, or create a new one and choose the correct SCR (indicated in the root folder )
• In the GIS, import the .csv files from the folder results (/_out_results_wkt) : Example/_out_results_wkt/troncons or links_xxx/”….uvp.csv” or “….TV.csv”
• and apply the correct graphic parameters (by copy/paste the graphic parameters of another similar layer -provided-)

To run a simulation and calculate a new traffic assignment, you need to :

• Run / launch Q-Traf.exe (in the root folder of each example provided)
• Once the execution is finished, close the window
• The new results are then written in the folder “_out_results_wkt”
• Open the results in a GIS (see above)

Users Manual

Changelogs

Version 1203

Addition of a new assignment procedure (“Pseudo user equilibrium”, see the Users Manual).

Version 780

Modification of the structure of the file “2_veh_sub_parent_types_and_link_authorization.csv”. Old files don’t work anymore with Q-Traf version 780.