- /** Altitude formats */
- public enum Format {
- /** No format */
- NO_FORMAT,
- /** Metres */
- METRES,
- /** Feet */
- FEET
- }
-
- /** Constants for conversion */
- private static final double CONVERT_FEET_TO_METRES = 0.3048;
- private static final double CONVERT_METRES_TO_FEET = 3.28084;
-
- /** Constant for no altitude value */
- public static final Altitude NONE = new Altitude(null, Format.NO_FORMAT);
-
+ /** Constant to use for a lack of altitude */
+ public static final Altitude NONE = new Altitude(null, null);