gov/nasa/worldwind/geom/Position.java

   1 /*
   2 Copyright (C) 2001, 2006 United States Government
   3 as represented by the Administrator of the
   4 National Aeronautics and Space Administration.
   5 All Rights Reserved.
   6 */
   7 package gov.nasa.worldwind.geom;
   8
   9 import gov.nasa.worldwind.*;
  10
  11 /**
  12  * @author tag
  13  * @version $Id: Position.java 1755 2007-05-06 23:38:05Z tgaskins $
  14  */
  15 public class Position
  16 {
  17     private final Angle latitude;
  18     private final Angle longitude;
  19     private final double elevation;
  20
  21     public static final Position ZERO = new Position(Angle.ZERO, Angle.ZERO, 0d);
  22
  23     public static Position fromRadians(double latitude, double longitude, double elevation)
  24     {
  25         return new Position(Angle.fromRadians(latitude), Angle.fromRadians(longitude), elevation);
  26     }
  27
  28     public static Position fromDegrees(double latitude, double longitude, double elevation)
  29     {
  30         return new Position(Angle.fromDegrees(latitude), Angle.fromDegrees(longitude), elevation);
  31     }
  32
  33     public Position(Angle latitude, Angle longitude, double elevation)
  34     {
  35         if (latitude == null || longitude == null)
  36         {
  37             String message = WorldWind.retrieveErrMsg("nullValue.LatitudeOrLongitudeIsNull");
  38             WorldWind.logger().log(java.util.logging.Level.FINE, message);
  39             throw new IllegalArgumentException(message);
  40         }
  41
  42         this.latitude = latitude;
  43         this.longitude = longitude;
  44         this.elevation = elevation;
  45     }
  46
  47     /**
  48      * Obtains the latitude of this position
  49      *
  50      * @return this position's latitude
  51      */
  52     public final Angle getLatitude()
  53     {
  54         return this.latitude;
  55     }
  56
  57     /**
  58      * Obtains the longitude of this position
  59      *
  60      * @return this position's longitude
  61      */
  62     public final Angle getLongitude()
  63     {
  64         return this.longitude;
  65     }
  66
  67     /**
  68      * Obtains the elevation of this position
  69      *
  70      * @return this position's elevation
  71      */
  72     public final double getElevation()
  73     {
  74         return this.elevation;
  75     }
  76 }