/************************************************************************************
 * Copyright (C) 2008 by Politehnica University of Bucharest and Rutgers University
 * All rights reserved.
 * Refer to LICENSE for terms and conditions of use.
 ***********************************************************************************/
package vnsim.map.object;

import vnsim.map.utils.GPSutil;
import vnsim.vehicular.routePlan.selfRouted.AreaCode;
/**
 * @author Victor-Radu
 */

public class Point implements java.io.Serializable {
	
	/** <code>serialVersionUID</code> */
	private static final long serialVersionUID = -5883719321862303634L;
	
	protected double longitude;
	protected double latitude;
	protected double distance;		// distance along the road (on which the 
									// point is) to the first
									// point in the road's vector of points
									// Distances are computed in the Map constructor.
	protected int peanoKeyIdx;

	public AreaCode areaCode;

	public Point(double longitude, double latitude) {
		this.longitude = longitude;
		this.latitude = latitude;
	}
	
	public Point(double longitude, double latitude, double distance) {
		this.longitude = longitude;
		this.latitude = latitude;
		this.distance = distance;
	}
	
	public boolean equals(Object arg0) {
		try{
			Point p = (Point)arg0;
			return (longitude == p.longitude && latitude == p.latitude);
		} catch (ClassCastException e){
			return false;
		}
	}
	
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append("(");
		sb.append(this.longitude);
		sb.append(", ");
		sb.append(this.latitude);
		sb.append(")");
		return (new String(sb));
	}
	
	public double distanceTo(Point a)
	{
	  double dAB = (latitude + a.latitude) / 2.0;
	  return GPSutil.dist(this, a, GPSutil.getKmDegLong(dAB), GPSutil.getKmDegLat(dAB));
	}
	
	
	public double getDistance() {
		return distance;
	}
	public void setDistance(double distance) {
		this.distance = distance;
	}
	public double getLatitude() {
		return latitude;
	}
	public void setLatitude(double latitude) {
		this.latitude = latitude;
	}
	public double getLongitude() {
		return longitude;
	}
	public void setLongitude(double longitude) {
		this.longitude = longitude;
	}

	public int getPeanoKeyIdx() {
		return peanoKeyIdx;
	}

	public void setPeanoKeyIdx(int peanoKeyIdx) {
		this.peanoKeyIdx = peanoKeyIdx;
	}
	
	
}