/// <summary>
/// Transforms a coordinate to date/time.
/// </summary>
/// <param name="coordinate">The coordinate.</param>
/// <returns>A date/time representation of the specified coordinate in the Gregorian calendar and UTC clock.</returns>
/// <exception cref="System.ArgumentNullException">The coordinate is null.</exception>
/// <exception cref="System.ArgumentException">
/// The coordinate is not referenced in the current coordinate system.
/// or
/// The coordinate is before the origin of the current coordinate system.
/// </exception>
public override DateAndTime TransformToDateAndTime(TemporalCoordinate coordinate)
{
if (coordinate == null)
{
throw new ArgumentNullException("coordinate", "The coordinate is null.");
}
if (!coordinate.ReferenceSystem.Equals(this))
{
throw new ArgumentException("The coordinate is not referenced in the current coordinate system.", "coordinate");
}
if (coordinate.Instant.Ticks < 0)
{
throw new ArgumentException("The coordinate is before the origin of the current coordinate system.", "coordinate");
}
// compute the components
Int64 date = Convert.ToInt64((coordinate as JulianDate).Date) + Origin.Date.Instant.Ticks;
Int64 time = Convert.ToInt64((coordinate as JulianDate).Time / Clocks.UTC.SecondsPerDay) * Clocks.UTC.TicksPerDay;
// correct the half day
if (time > Clocks.UTC.TicksPerDay / 2)
{
time -= Clocks.UTC.TicksPerDay / 2;
}
else
{
date--;
time += Clocks.UTC.TicksPerDay / 2;
}
return(new DateAndTime(new Instant(date), new Instant(time), CompoundTemporalReferenceSystems.GregorianCalendarUTCClock, null));
}
/// <summary>
/// Transforms a coordinate to date/time.
/// </summary>
/// <param name="coordinate">The coordinate.</param>
/// <returns>A date/time representation of the specified coordinate in the Gregorian calendar and UTC clock.</returns>
/// <exception cref="System.ArgumentNullException">The coordinate is null.</exception>
/// <exception cref="System.ArgumentException">
/// The coordinate is not referenced in the current coordinate system.
/// or
/// The coordinate is before the origin of the current coordinate system.
/// </exception>
public override DateAndTime TransformToDateAndTime(TemporalCoordinate coordinate)
{
if (coordinate == null)
{
throw new ArgumentNullException("coordinate", "The coordinate is null.");
}
if (!coordinate.ReferenceSystem.Equals(this))
{
throw new ArgumentException("The coordinate is not referenced in the current coordinate system.", "coordinate");
}
JulianDate julianDate = new JulianDate(new Instant((coordinate as JulianDate).Instant.Ticks + 2400000 * Clocks.UTC.SecondsPerDay), TemporalCoordinateSystems.JulianDateSystem, null);
return(base.TransformToDateAndTime(julianDate));
}
/// <summary> /// Transforms a coordinate to date/time. /// </summary> /// <param name="coordinate">The coordinate.</param> /// <returns>A date/time representation of the specified coordinate in the Gregorian calendar and UTC clock.</returns> /// <exception cref="System.ArgumentNullException">The coordinate is null.</exception> /// <exception cref="System.ArgumentException"> /// The coordinate is not referenced in the current coordinate system. /// or /// The coordinate is before the origin of the current coordinate system. /// </exception> public abstract DateAndTime TransformToDateAndTime(TemporalCoordinate coordinate);
