/****************************************************
 * Joseph Snow
 * ASPIRE, University of Utah
 * March 2001
 *
 */
 

import java.util.Calendar;

public class NSkySunEarthSystem
{
    private Calendar calendar;
    private double longitude;
    private double latitude;

    public NSkySunEarthSystem(Calendar date_and_time, double latitude_degrees, double longitude_degrees)
    {
      longitude = longitude_degrees * Math.PI / 180;
      latitude = latitude_degrees * Math.PI / 180;
      calendar = date_and_time;
    }
    
    public void setCalendar(Calendar date_and_time)
    { calendar = date_and_time; }
    
    public void setLongitude(double longitude_degrees)
    { longitude = longitude_degrees * Math.PI / 180; }

    public void setLongitudeRadians(double longitude)
    { this.longitude = longitude; }

    public void setLatitude(double latitude_degrees)
    { latitude = latitude_degrees * Math.PI / 180; }
    
    public void setLatitudeRadians(double latitude)
    { this.latitude = latitude; }
    
    public Calendar getCalendar()
    { return calendar; }
    
    public double getLongitude()
    { return longitude * 180 / Math.PI; }

    public double getLongitudeRadians()
    { return longitude; }

    public double getLatitude()
    { return latitude * 180 / Math.PI; }

    public double getLatitudeRadians()
    { return latitude; }

    public void update()
    { /* nothing to do */ }
};