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README.md

MATSim Runner Script

Requirements

JDK 17
Python 3
Input file holding the network of the city (For example: merged-network.osm.pbf)
Input GeoJSON file with all buildings (For example: summerschool_all_buildings.geojson)

Goal

Estimate city pollution coming from people driving in vehicles.

Setup

Make sure to have JDK 17 installed and clone this repository.

Usage

The file main.py is essentially a replica from MEB workflow. It constructs a city and then allows the user to apply characteristics to that given city.

The additional steps from the MEB workflow are:

Generate Matsim required xml files.
Run Matsim analysis.
Visualize Matsim results.

1- Generate Matsim Required XML Files

This step is done in matsim.py. The class was built to replicate the behavior of other HUB export factory classes. It takes in a city object, an output directory, and then generates all the xml files required by Matsim.

2- Run Matsim Analysis

This step is done in matsim_engine.py. It simply runs the matsim.jar while providing the config.xml file generated in the previous step.

3- Visualize Matsim Results

This step is done in matsim_visualizer.py. It takes in a network and events xml file generated by the previous step and then displays it on a graph. It then shows in heatmap style the change in traffic over time.