ns2::ConfigWriter Class Reference

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Detailed Description

class for writing ns2 config files config files contain statical information about the ns2 simulation

Author:

Thimor Bohn <bohn@itm.uni-luebeck.de>

Definition at line 14 of file ConfigWriter.java.

Static Public Member Functions
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)

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Member Function Documentation

static void ns2::ConfigWriter::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
	)			[inline, static]

working method

Parameters:

	config	name of ns2 config file
	activity	name of ns2 activity file
	mobility	name of ns2 mobility file
	edges	list of edges
	wantedVehicle	list of vehicles to be selected for ns2
	vehicleFirstOcc	map: vehicle id -> first occurence of vehicle in sumo
	vehicleLastOcc	map: vehicle id -> last occurence of vehicle in sumo
	begin	sumo time at which ns2 should start to simulate

Definition at line 26 of file ConfigWriter.java.

                                    {
        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);
        }
    }

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The documentation for this class was generated from the following file:

• ConfigWriter.java