roadcontext.java

Eclipse+repastS

/*
〤opyright 2008 Nick Malleson

This file is part of RepastCity.

RepastCity is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

RepastCity is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with RepastCity.  If not, see <http://www.gnu.org/licenses/>.
 */
package repastcity.citycontext;

import java.io.File;

import repast.simphony.context.DefaultContext;
import repast.simphony.context.space.gis.GeographyFactoryFinder;
import repast.simphony.space.gis.Geography;
import repast.simphony.space.gis.GeographyParameters;
import repast.simphony.space.gis.ShapefileLoader;
import repastcity.GlobalVariables;

public class RoadContext extends DefaultContext<Road>{
	
	public RoadContext() {
		super("RoadContext");
		
		System.out.println("RoadContext: building road context and projections");

		/* GIS projection for spatial information about Roads. This is used to then create junctions and finally
		 * the road network.*/
		GeographyParameters<Road> geoParams = new GeographyParameters<Road>();
		Geography<Road> roadGeography =
			GeographyFactoryFinder.createGeographyFactory(null).createGeography("RoadGeography", this, geoParams);
		
		/* Read in the data and add to the context and geography */
		File roadFile = null;
		ShapefileLoader<Road> roadLoader = null;
		try {
			roadFile = new File(GlobalVariables.ROADS_SHAPEFILE);
			roadLoader = new ShapefileLoader<Road>(Road.class, roadFile.toURL(), roadGeography, this);
			while (roadLoader.hasNext()) {
				roadLoader.next();
			}
			
		} catch (java.net.MalformedURLException e) {
			System.out.println("ContextCreator: malformed URL exception when reading roadshapefile. Check the 'roadLoc' parameter is correct");
			e.printStackTrace();
		}

	}
		
	

}