/// <summary>
/// Creates a new altitude with a type that needs no value
/// </summary>
/// <param name="type">altitude type</param>
public Altitude(AltitudeType type)
{
Debug.Assert(
type == AltitudeType.GND || type == AltitudeType.Unlimited,
"type must be GND or Unlimited");
this.Type = type;
}
/// <summary>
/// Creates a new altitude value with type
/// </summary>
/// <param name="valueInFeet">altitude value, in feet</param>
/// <param name="type">altitude type</param>
public Altitude(double valueInFeet, AltitudeType type)
{
this.Value = valueInFeet;
this.Type = type;
}