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Iterations

Now we want to do systematic iterations. You should write a script which manages those iterations. One option is perl; shell scripts work well, too. Also, some clever Makefile writing is an option. The script does the following:

Run the usim on a given plans file.

Generate a random 10% trips file.

Run the router on the 10% trips file using the events from the last simulation.

Merge the plans.

Run the usim again.

Etc.

Task 13.4   Do 50 iterations. Keep all information (routes, events, snapshot files) for every 10th iteration.

Keep events files for all iterations.

Compress (e.g. gzip) all output files.

Task 13.5   Plot the sum of all vehicle travel times as a function of the iteration number.

Note that you can derive this information from the events files.


next up previous contents
Next: Activities planner: Adjust trip Up: Feedback/System integration Previous: Traffic simulation   Contents
2004-02-02