ConfigWriter.java

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package ns2;

import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

public class ConfigWriter {
    public static void write(
            String config,
            String activity,
            String mobility,
            List<Edge> edges,
            List<String> wantedVehicle,
            Map<String, Double> vehicleFirstOcc, 
            Map<String, Double> vehicleLastOcc,
            double begin,
            double penetration,
            boolean hasPenetration) {
        float xmin = 0, xmax = 0, ymin = 0, ymax = 0;
        float end = 0;

        // extend of map
        boolean first = true;
        for (Edge edge: edges) {
            for (Lane lane: edge.lanes.values() ) {
                if (first) {
                    first = false;
                    xmin = Math.min(lane.xfrom, lane.xto);
                    xmax = Math.max(lane.xfrom, lane.xto);
                    ymin = Math.min(lane.yfrom, lane.yto);
                    ymax = Math.max(lane.yfrom, lane.yto);
                } else {
                    xmin = Math.min(Math.min(lane.xfrom, lane.xto), xmin);
                    xmax = Math.max(Math.max(lane.xfrom, lane.xto), xmax);
                    ymin = Math.min(Math.min(lane.yfrom, lane.yto), ymin);
                    ymax = Math.max(Math.max(lane.yfrom, lane.yto), ymax);
                }
            }
        }
        xmin = (float) Math.floor(xmin);
        xmax = (float) Math.ceil(xmax);
        ymin = (float) Math.floor(ymin);
        ymax = (float) Math.ceil(ymax);
        

        // duration of simulation
        first = true;
        for (String id: wantedVehicle) {
            if (first) {
                first = false;
                end   = vehicleLastOcc.get(id).floatValue();
            } else {
                end   = Math.max(vehicleLastOcc.get(id).floatValue(), end);
            }
        }

        // write!
        try {
            PrintWriter out = new PrintWriter(config);
            
            out.println("# set number of nodes");
            if (hasPenetration) {
                out.println("set opt(nn) " + Math.floor(penetration*wantedVehicle.size()));
            } else {
                int N = wantedVehicle.size();
                for (int i = 0; i <= N-1; i++) {
                    out.print("if { $opt(penetration) > " + ((double) i/N)  + " } { ");
                    out.print("set opt(nn) " + (i+1));
                    out.println(" }");
                }
            }
            out.println();
            out.println("# set activity file");
            out.println("set opt(af) $opt(config-path)");
            out.println("append opt(af) /" + activity);
            out.println();
            out.println("# set mobility file");
            out.println("set opt(mf) $opt(config-path)");
            out.println("append opt(mf) /" + mobility);
            out.println();
            out.println("# set start/stop time");
            out.println("set opt(start) 0.0");
            out.println("set opt(stop) " + (end-begin));
            out.println();
            out.println("# set floor size");
            out.println("set opt(x) " + (int) xmax);
            out.println("set opt(y) " + (int) ymax);
            out.println("set opt(min-x) " + (int) xmin);
            out.println("set opt(min-y) " + (int) ymin);
            
            out.flush();
            out.close();
        } catch (FileNotFoundException ex) {
            System.err.println(ex);
        }
    }
}