RunPNetworkGenerator.java

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package tutorial.programming.example08DemandGeneration;

import org.matsim.api.core.v01.Scenario;
import org.matsim.api.core.v01.network.Network;
import org.matsim.core.config.Config;
import org.matsim.core.config.ConfigUtils;
import org.matsim.core.network.algorithms.NetworkCleaner;
import org.matsim.core.network.io.NetworkWriter;
import org.matsim.core.scenario.ScenarioUtils;
import org.matsim.core.utils.geometry.CoordinateTransformation;
import org.matsim.core.utils.geometry.transformations.TransformationFactory;
import org.matsim.core.utils.io.OsmNetworkReader;


public class RunPNetworkGenerator {
    
    public static void main(String[] args) {
        
        /*
         * The input file name.
         */
        String osm = "./input/my-map.osm";
        
        
        /*
         * The coordinate system to use. OpenStreetMap uses WGS84, but for MATSim, we need a projection where distances
         * are (roughly) euclidean distances in meters.
         * 
         * UTM 33N is one such possibility (for parts of Europe, at least).
         * 
         */
        CoordinateTransformation ct = 
             TransformationFactory.getCoordinateTransformation(TransformationFactory.WGS84, TransformationFactory.WGS84_UTM33N);
        
        /*
         * First, create a new Config and a new Scenario. One always has to do this when working with the MATSim 
         * data containers.
         * 
         */
        Config config = ConfigUtils.createConfig();
        Scenario scenario = ScenarioUtils.createScenario(config);
        
        /*
         * Pick the Network from the Scenario for convenience.
         */
        Network network = scenario.getNetwork();
        
        OsmNetworkReader onr = new OsmNetworkReader(network,ct);
        onr.parse(osm);
        
        /*
         * Clean the Network. Cleaning means removing disconnected components, so that afterwards there is a route from every link
         * to every other link. This may not be the case in the initial network converted from OpenStreetMap.
         */
        new NetworkCleaner().run(network);
        
        /*
         * Write the Network to a MATSim network file.
         */
        new NetworkWriter(network).write("./input/network.xml");
        
    }

}