public static Cartesian3DPoint <T> GeodeticToAverage <T>(IGeodeticPoint geodetic)
where T : LinearUnit, new()
{
//check if not geodetic is Right Handed
Cartesian3DPoint <T> semiGeodetic = geodetic.ToCartesian <T>();
double tempOrigionX = geodetic.Datum.DatumTranslation.X.ChangeTo <T>().Value;
double tempOrigionY = geodetic.Datum.DatumTranslation.Y.ChangeTo <T>().Value;
double tempOrigionZ = geodetic.Datum.DatumTranslation.Z.ChangeTo <T>().Value;
Matrix rotationMatrix = Transformation.CalculateEulerElementMatrix(geodetic.Datum.DatumMisalignment);
Matrix transferMatrix = new Matrix(new double[][] { new double[] { tempOrigionX, tempOrigionY, tempOrigionZ } });
Matrix tempSemiGeodetic = new Matrix(new double[][] { new double[] { semiGeodetic.X.Value,
semiGeodetic.Y.Value,
semiGeodetic.Z.Value } });
Matrix tempResult = rotationMatrix * tempSemiGeodetic + transferMatrix;
return(new Cartesian3DPoint <T>(new T()
{
Value = tempResult[0, 0]
},
new T()
{
Value = tempResult[1, 0]
},
new T()
{
Value = tempResult[2, 0]
}));
}
public static Cartesian3D <T> LocalGeodeticToGeodetic <T>(ICartesian3D localGeodetic,
IGeodeticPoint initialPoint)
where T : LinearUnit, new()
{
//local geodetic is lefthanded
Cartesian3DPoint <T> shift = Transformation.GeodeticToAverage <T>(initialPoint);
Matrix rZ = CalculateRotationMatrixAroundZ(new Radian(Math.PI).Subtract(initialPoint.Longitude));
Matrix rY = CalculateRotationMatrixAroundY(new Radian(Math.PI / 2).Subtract(initialPoint.Latitude));
Matrix p2 = CalculateReflectionMatrix();
//G is Right Handed
return(localGeodetic.Transform(rZ * rY * p2, shift.Negate(), AxisType.RightHanded).ChangeTo <T>());
}
public Ellipsoid(string name, LinearUnit semiMajorAxis, double inverseFlattening,
ICartesian3DPoint datumTranslation, OrientationParameter datumMisalignment, int srid)
{
this._datumTranslation = new Cartesian3DPoint <TLinear>(datumTranslation.X, datumTranslation.Y, datumTranslation.Z);
this._datumMisalignment = new OrientationParameter(datumMisalignment.Omega.ChangeTo <TAngular>(),
datumMisalignment.Phi.ChangeTo <TAngular>(),
datumMisalignment.Kappa.ChangeTo <TAngular>());
this._name = name;
this._srid = srid;
this._semiMajorAxis = semiMajorAxis.ChangeTo <TLinear>();
double tempSemiMajor = this._semiMajorAxis.Value;
if (inverseFlattening == 0)
{
this._semiMinorAxis = new TLinear()
{
Value = tempSemiMajor
};
}
else
{
this._semiMinorAxis = new TLinear()
{
Value = tempSemiMajor - tempSemiMajor / inverseFlattening
};
}
double tempSemiMinor = this._semiMinorAxis.Value;
this._firstEccentricity = Math.Sqrt((tempSemiMajor * tempSemiMajor - tempSemiMinor * tempSemiMinor)
/
(tempSemiMajor * tempSemiMajor));
this._secondEccentricity = Math.Sqrt((tempSemiMajor * tempSemiMajor - tempSemiMinor * tempSemiMinor)
/
(tempSemiMinor * tempSemiMinor));
this.EsriName = string.Empty;
}
