/*
 * Copyright (c) 2005-2010 KOM – Multimedia Communications Lab
 *
 * This file is part of PeerfactSim.KOM.
 * 
 * PeerfactSim.KOM 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
 * any later version.
 * 
 * PeerfactSim.KOM 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 PeerfactSim.KOM.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package de.tud.kom.p2psim.impl.topology.movement.modularosm;

public class GPSCalculation {
	
	private static double latCenter;
	private static double lonCenter;
	private static int zoom;
	private static double scaleFactor;
	
	public GPSCalculation() {
	}
	
	private void setScaleFactor() {
		this.scaleFactor = Math.pow(2.0d, (13-zoom));
	}
	
	public static double getLatCenter() {
		return latCenter;
	}
	
	public static double getLonCenter() {
		return lonCenter;
	}
	
	public static int getZoom() {
		return zoom;
	}
	
	public static double getLatUpper() {
		return latCenter + scaleFactor*0.027613;
	}
	
	public static double getLatLower() {
		return latCenter - scaleFactor*0.027613;
	}

	public static double getLonLeft() {
		return lonCenter - scaleFactor*0.0419232;
	}
	
	public static double getLonRight() {
		return lonCenter + scaleFactor*0.0419232;
	}
	
	public void setLatCenter(double latCenter) {
		this.latCenter = latCenter;
	}
	
	public void setLonCenter(double lonCenter) {
		this.lonCenter = lonCenter;
	}
	
	public void setZoom(int zoom) {
		this.zoom = zoom;
		setScaleFactor();
	}
}