/**
* Create a set of Transverse Mercator coordinates for the given <code>Globe</code>,
* easting, northing and projection parameters.
*
* @param easting the easting distance value in meters.
* @param northing the northing distance value in meters.
* @param globe the <code>Globe</code> - can be null (will use WGS84).
* @param originLatitude the origin latitude <code>Angle</code>.
* @param centralMeridian the central meridian longitude <code>Angle</code>.
* @param falseEasting easting value at the center of the projection in meters.
* @param falseNorthing northing value at the center of the projection in meters.
* @param scale scaling factor.
* @return the corresponding <code>TMCoord</code>.
* @throws ArgumentException if <code>originLatitude</code> or <code>centralMeridian</code>
* is null, or the conversion to geodetic coordinates fails. If the globe is null conversion will default
* to using WGS84.
*/
public static TMCoord FromTM(double easting, double northing,
Angle originLatitude, Angle centralMeridian,
double falseEasting, double falseNorthing,
double scale)
{
if (originLatitude == null || centralMeridian == null)
{
throw new ArgumentException("Angle Is Null");
}
TMCoordConverter converter = new TMCoordConverter();
double a = converter.A;
double f = converter.F;
long err = converter.SetTransverseMercatorParameters(a, f, originLatitude.radians, centralMeridian.radians,
falseEasting, falseNorthing, scale);
if (err == TMCoordConverter.TRANMERC_NO_ERROR)
err = converter.ConvertTransverseMercatorToGeodetic(easting, northing);
if (err != TMCoordConverter.TRANMERC_NO_ERROR && err != TMCoordConverter.TRANMERC_LON_WARNING)
{
throw new ArgumentException("TM Conversion Error");
}
return new TMCoord(Angle.FromRadians(converter.Latitude), Angle.FromRadians(converter.Longitude),
easting, northing, originLatitude, centralMeridian, falseEasting, falseNorthing, scale);
}
/**
* Create a set of Transverse Mercator coordinates from a pair of latitude and longitude,
* for the given <code>Globe</code> and projection parameters.
*
* @param latitude the latitude <code>Angle</code>.
* @param longitude the longitude <code>Angle</code>.
* @param globe the <code>Globe</code> - can be null (will use WGS84).
* @param a semi-major ellipsoid radius. If this and argument f are non-null and globe is null, will use the specfied a and f.
* @param f ellipsoid flattening. If this and argument a are non-null and globe is null, will use the specfied a and f.
* @param originLatitude the origin latitude <code>Angle</code>.
* @param centralMeridian the central meridian longitude <code>Angle</code>.
* @param falseEasting easting value at the center of the projection in meters.
* @param falseNorthing northing value at the center of the projection in meters.
* @param scale scaling factor.
* @return the corresponding <code>TMCoord</code>.
* @throws IllegalArgumentException if <code>latitude</code> or <code>longitude</code> is null,
* or the conversion to TM coordinates fails. If the globe is null conversion will default
* to using WGS84.
*/
public static TMCoord FromLatLon(Angle latitude, Angle longitude, double? a, double? f,
Angle originLatitude, Angle centralMeridian,
double falseEasting, double falseNorthing,
double scale)
{
if (latitude == null || longitude == null)
{
throw new ArgumentException("Latitude Or Longitude Is Null");
}
if (originLatitude == null || centralMeridian == null)
{
throw new ArgumentException("Angle Is Null");
}
TMCoordConverter converter = new TMCoordConverter();
if (!a.HasValue || !f.HasValue)
{
a = converter.A;
f = converter.F;
}
long err = converter.SetTransverseMercatorParameters(a.Value, f.Value, originLatitude.radians, centralMeridian.radians,
falseEasting, falseNorthing, scale);
if (err == TMCoordConverter.TRANMERC_NO_ERROR)
err = converter.ConvertGeodeticToTransverseMercator(latitude.radians, longitude.radians);
if (err != TMCoordConverter.TRANMERC_NO_ERROR && err != TMCoordConverter.TRANMERC_LON_WARNING)
{
throw new ArgumentException("TM Conversion Error");
}
return new TMCoord(latitude, longitude, converter.Easting, converter.Northing,
originLatitude, centralMeridian, falseEasting, falseNorthing, scale);
}
