/// <summary>
/// Parses a string into a UTM coordinate.
/// </summary>
/// <param name="value">string</param>
/// <param name="spec">Earth_Ellipsoid_Spec</param>
/// <returns>UniversalTransverseMercator</returns>
/// <example>
/// The following example parses a UTM coordinate set with a GRS80 system ellipsoid.
/// <code>
/// UniversalTransverseMercator utm = UniversalTransverseMercator.Parse("16U 500872mE 5505009mN", Earth_Ellipsoid_Spec.GRS80_1979);
/// </code>
/// </example>
public static UniversalTransverseMercator Parse(string value, Earth_Ellipsoid_Spec spec)
{
UniversalTransverseMercator utm;
Earth_Ellipsoid ee = Earth_Ellipsoid.Get_Ellipsoid(spec);
if (TryParse(value, ee.Equatorial_Radius, ee.Inverse_Flattening, out utm))
{
return(utm);
}
throw new FormatException(string.Format("Input Coordinate \"{0}\" was not in a correct format.", value));
}
/// <summary>
/// Parses a string into an MGRS coordinate.
/// </summary>
/// <param name="value">string</param>
/// <param name="spec">Earth_Ellipsoid_Spec</param>
/// <returns>MilitaryGridReferenceSystem</returns>
/// <example>
/// The following example parses an MGRS coordinate set with a GRS80 system ellipsoid.
/// <code>
/// MilitaryGridReferenceSystem mgrs = MilitaryGridReferenceSystem.Parse("16U EA 00872 05009", Earth_Ellipsoid_Spec.GRS80_1979);
/// </code>
/// </example>
public static MilitaryGridReferenceSystem Parse(string value, Earth_Ellipsoid_Spec spec)
{
MilitaryGridReferenceSystem mgrs;
Earth_Ellipsoid ee = Earth_Ellipsoid.Get_Ellipsoid(spec);
if (TryParse(value, ee.Equatorial_Radius, ee.Inverse_Flattening, out mgrs))
{
return(mgrs);
}
throw new FormatException(string.Format("Input Coordinate \"{0}\" was not in a correct format.", value));
}
/// <summary>
/// Attempts to parse a string into an UTM coordinate.
/// </summary>
/// <param name="value">string</param>
/// <param name="spec">Earth_Ellipsoid_Spec</param>
/// <param name="utm">UniversalTransverseMercator</param>
/// <returns>UniversalTransverseMercator</returns>
/// <example>
/// The following example attempts to parse a UTM coordinate set with a GRS80 system ellipsoid.
/// <code>
/// UniversalTransverseMercator utm;
/// if(!UniversalTransverseMercator.TryParse("16U 500872mE 5505009mN", Earth_Ellipsoid_Spec.GRS80_1979, out utm))
/// {
/// Console.WriteLine(utm);//16U 500872mE 5505009mN
/// }
/// </code>
/// </example>
public static bool TryParse(string value, Earth_Ellipsoid_Spec spec, out UniversalTransverseMercator utm)
{
Earth_Ellipsoid ee = Earth_Ellipsoid.Get_Ellipsoid(spec);
return(TryParse(value, ee.Equatorial_Radius, ee.Inverse_Flattening, out utm));
}
/// <summary>
/// Returns a populated Earth_Ellipsoid based on the specified ellipsoidal spec.
/// </summary>
/// <param name="spec">Earth ellipsoid specification</param>
/// <returns>Earth_Ellipsoid</returns>
public static Earth_Ellipsoid Get_Ellipsoid(Earth_Ellipsoid_Spec spec)
{
Earth_Ellipsoid ee = new Earth_Ellipsoid();
ee.Spec = spec;
if (spec == Earth_Ellipsoid_Spec.WGS84_1984)
{
ee.Equatorial_Radius = 6378137; ee.Inverse_Flattening = 298.257223563;
}
else if (spec == Earth_Ellipsoid_Spec.Maupertuis_1738)
{
ee.Equatorial_Radius = 6397300; ee.Inverse_Flattening = 191;
}
else if (spec == Earth_Ellipsoid_Spec.Plessis_1817)
{
ee.Equatorial_Radius = 6376523; ee.Inverse_Flattening = 308.64;
}
else if (spec == Earth_Ellipsoid_Spec.Everest_1830)
{
ee.Equatorial_Radius = 6377299.365; ee.Inverse_Flattening = 300.80172554;
}
else if (spec == Earth_Ellipsoid_Spec.Everest_1830_Modified_1967)
{
ee.Equatorial_Radius = 6377304.063; ee.Inverse_Flattening = 300.8017;
}
else if (spec == Earth_Ellipsoid_Spec.Everest_1830_1967_Definition)
{
ee.Equatorial_Radius = 6377298.556; ee.Inverse_Flattening = 300.8017;
}
else if (spec == Earth_Ellipsoid_Spec.Airy_1830)
{
ee.Equatorial_Radius = 6377563.396; ee.Inverse_Flattening = 299.3249646;
}
else if (spec == Earth_Ellipsoid_Spec.Bessel_1841)
{
ee.Equatorial_Radius = 6377397.155; ee.Inverse_Flattening = 299.1528128;
}
else if (spec == Earth_Ellipsoid_Spec.Clarke_1866)
{
ee.Equatorial_Radius = 6378206.4; ee.Inverse_Flattening = 294.9786982;
}
else if (spec == Earth_Ellipsoid_Spec.Clarke_1878)
{
ee.Equatorial_Radius = 6378190; ee.Inverse_Flattening = 293.465998;
}
else if (spec == Earth_Ellipsoid_Spec.Clarke_1880)
{
ee.Equatorial_Radius = 6378249.145; ee.Inverse_Flattening = 293.465;
}
else if (spec == Earth_Ellipsoid_Spec.Helmert_1906)
{
ee.Equatorial_Radius = 6378200; ee.Inverse_Flattening = 298.3;
}
else if (spec == Earth_Ellipsoid_Spec.Hayford_1910)
{
ee.Equatorial_Radius = 6378388; ee.Inverse_Flattening = 297;
}
else if (spec == Earth_Ellipsoid_Spec.International_1924)
{
ee.Equatorial_Radius = 6378388; ee.Inverse_Flattening = 297;
}
else if (spec == Earth_Ellipsoid_Spec.Krassovsky_1940)
{
ee.Equatorial_Radius = 6378245; ee.Inverse_Flattening = 298.3;
}
else if (spec == Earth_Ellipsoid_Spec.WGS66_1966)
{
ee.Equatorial_Radius = 6378145; ee.Inverse_Flattening = 298.25;
}
else if (spec == Earth_Ellipsoid_Spec.Australian_National_1966)
{
ee.Equatorial_Radius = 6378160; ee.Inverse_Flattening = 298.25;
}
else if (spec == Earth_Ellipsoid_Spec.New_International_1967)
{
ee.Equatorial_Radius = 6378157.5; ee.Inverse_Flattening = 298.24961539;
}
else if (spec == Earth_Ellipsoid_Spec.GRS67_1967)
{
ee.Equatorial_Radius = 6378160; ee.Inverse_Flattening = 298.247167427;
}
else if (spec == Earth_Ellipsoid_Spec.South_American_1969)
{
ee.Equatorial_Radius = 6378160; ee.Inverse_Flattening = 298.25;
}
else if (spec == Earth_Ellipsoid_Spec.WGS72_1972)
{
ee.Equatorial_Radius = 6378135; ee.Inverse_Flattening = 298.26;
}
else if (spec == Earth_Ellipsoid_Spec.GRS80_1979)
{
ee.Equatorial_Radius = 6378137; ee.Inverse_Flattening = 298.257222101;
}
else if (spec == Earth_Ellipsoid_Spec.IERS_1989)
{
ee.Equatorial_Radius = 6378136; ee.Inverse_Flattening = 298.257;
}
else if (spec == Earth_Ellipsoid_Spec.IERS_2003)
{
ee.Equatorial_Radius = 6378136.6; ee.Inverse_Flattening = 298.25642;
}
return(ee);
}
/// <summary>
/// Attempts to parse a string into an MGRS coordinate.
/// </summary>
/// <param name="value">string</param>
/// <param name="spec">Earth_Ellipsoid_Spec</param>
/// <param name="mgrs">MilitaryGridReferenceSystem</param>
/// <returns>MilitaryGridReferenceSystem</returns>
/// <example>
/// The following example attempts to parse an MGRS coordinate set with a GRS80 system ellipsoid.
/// <code>
/// MilitaryGridReferenceSystem mgrs;
/// if(!MilitaryGridReferenceSystem.TryParse("16U EA 00872 05009", Earth_Ellipsoid_Spec.GRS80_1979, out mgrs))
/// {
/// Console.WriteLine(mgrs);//16U EA 00872 05009
/// }
/// </code>
/// </example>
public static bool TryParse(string value, Earth_Ellipsoid_Spec spec, out MilitaryGridReferenceSystem mgrs)
{
Earth_Ellipsoid ee = Earth_Ellipsoid.Get_Ellipsoid(spec);
return(TryParse(value, ee.Equatorial_Radius, ee.Inverse_Flattening, out mgrs));
}
/// <summary>
/// Set a custom datum for coordinate conversions and distance calculation for specified coordinate formats only.
/// Objects must be loaded prior to setting if EagerLoading is turned off.
/// </summary>
/// <param name="spec">Earth ellipsoid spec</param>
/// <param name="datum">Coordinate_Datum</param>
/// <example>
/// The following example demonstrates how to set the earths ellipsoid values for UTM/MGRS conversions only.
/// <code>
/// //Initialize a coordinate with the default WGS84 Ellipsoid that eagerloads UTM/MGRS only.
/// EagerLoadType et = EagerLoadType.UTM_MGRS;
/// EagerLoad eagerLoad = new EagerLoad(et);
/// Coordinate c = new Coordinate(25, 25, et);
///
/// //Change Ellipsoid to GRS80 Datum for UTM_MGRS calculations only.
/// c.Set_Datum(Earth_Ellipsoid_Spec.GRS80_1979, Coordinate_Datum.UTM_MGRS);
/// </code>
/// </example>
public void Set_Datum(Earth_Ellipsoid_Spec spec, Coordinate_Datum datum)
{
Earth_Ellipsoid ee = Earth_Ellipsoid.Get_Ellipsoid(spec);
Set_Datum(ee.Equatorial_Radius, ee.Inverse_Flattening, datum);
}