visplot.java

能在 ns-2 下模拟出一个使用 swarm 算法通讯的网络

/*******************************************************************************
 ** BonnMotion - a mobility scenario generation and analysis tool             **
 ** Copyright (C) 2002, 2003 University of Bonn                               **
 **                                                                           **
 ** This program 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 2 of the License, or         **
 ** (at your option) any later version.                                       **
 **                                                                           **
 ** This program 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 this program; if not, write to the Free Software               **
 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA **
 *******************************************************************************/

package edu.bonn.cs.iv.bonnmotion.apps;

import edu.bonn.cs.iv.util.Heap;
import edu.bonn.cs.iv.bonnmotion.*;
import edu.bonn.cs.iv.bonnmotion.*;

import java.io.*;
import java.util.StringTokenizer;
import java.util.Vector;
import edu.bonn.cs.iv.bonnmotion.*;

/** Application that calculates various statistics for movement scenarios. */

public class Visplot extends App {
	protected String name = null;
	protected int idx = 0;

	public Visplot(String[] args) throws FileNotFoundException, IOException {
		go( args );
	}

	public void go( String[] args ) throws FileNotFoundException, IOException  {
		parse(args);
		if (name == null) {
			printHelp();
			System.exit(0);
		}

		Scenario s = new Scenario(name);
		// get my args
		double duration = s.getDuration();
		MobileNode node = s.getNode(idx);

		PrintWriter gp = new PrintWriter(new FileOutputStream(name + ".visplot" + idx));
		double[] ct = node.changeTimes();
		Position p = node.positionAt(0.0);
		gp.println("" + p.x + " " + p.y);
		for (int i = 0; i < ct.length; i++) {
			p = node.positionAt(ct[i]);
			gp.println("" + p.x + " " + p.y);
		}
		p = node.positionAt(duration);
		gp.println("" + p.x + " " + p.y);
		gp.close();
	}

	protected boolean parseArg(char key, String val) {
		switch (key) {
			case 'f':
				name = val;
				return true;
			case 'i':
				idx = Integer.parseInt(val);
				return true;
			default:
				return super.parseArg(key, val);
		}
	}

	public static void printHelp() {
		App.printHelp();
		System.out.println("Visplot:");
		System.out.println("\t-f <scenario name>");
		System.out.println("\t-i <node index>");
	}
	
	public static void main(String[] args) throws FileNotFoundException, IOException {
		new Visplot(args);
	}
}