/// <summary> /// Create an origin point by space rectangular coordinate. /// </summary> /// <param name="coord">space rectangular coordinate</param> public Origin(SpaceRectangularCoord coord) { _elements = new List <object> { coord.X, coord.Y, coord.Z }; }
/// <summary> /// Transforms a space rectangular coordinate point. /// </summary> /// <param name="point">source coordinate</param> public void Transform(ref SpaceRectangularCoord point) { if (point.Dimension > 3) { return; } (double X, double Y, double Z) = Transform(point.X, point.Y, point.Z); point.SetCoordinate(X, Y, Z); }
/// <summary> /// Transforms a space rectangular coordinate point. /// </summary> /// <param name="point">source coordinate</param> /// <returns>converted coordinate</returns> public SpaceRectangularCoord Transform(SpaceRectangularCoord point) { if (point.Dimension > 3) { return(null); } (double X, double Y, double Z) = Transform(point.X, point.Y, point.Z); return(new SpaceRectangularCoord(X, Y, Z)); }
/// <summary> /// Molodensky-Badekas transformations /// </summary> /// <param name="point">space rectangular point</param> /// <param name="para">(7+3) parameters</param> /// <returns>space point in new datum</returns> public static SpaceRectangularCoord Transform(SpaceRectangularCoord point, TransParameters para) { // the last three is special double dX = point.X - para.GetValue("Px"); double dY = point.Y - para.GetValue("Py"); double dZ = point.Z - para.GetValue("Pz"); double X, Y, Z; // formula is from https://en.wikipedia.org/wiki/Geographic_coordinate_conversion X = point.X + para.Tx + (dX - para.Rz * dY + para.Ry * dZ) + para.S * 1E-6 * dX; Y = point.Y + para.Ty + (para.Rz * dX + dY - para.Rx * dZ) + para.S * 1E-6 * dY; Z = point.Z + para.Tz + (-para.Ry * dX + para.Rx * dY + dZ) + para.S * 1E-6 * dZ; return(new SpaceRectangularCoord(X, Y, Z)); }
static void Main(string[] args) { GeoPoint point = new GeoPoint(new Latitude(0), new Longitude(0), Ellipsoid.CGCS2000); Angle angle = new Angle(90, 0, 0.01); Bessel bessel = new Bessel(point, 1000.0, angle); Gauss gauss = new Gauss(point, 1000.0, angle); Vincenty vincenty = new Vincenty(point, 1000.0, angle); TransParameters trans = new TransParameters(null, null, -15.415, 157.025, 94.74, -1.465, 0.312, 0.08, 0.102); BursaWolf bursa = new BursaWolf(trans); GeodeticCoord pnt1 = new GeodeticCoord(new Latitude(35), new Longitude(100), 0); SpaceRectangularCoord xyz = Conversion.BLH_XYZ(Ellipsoid.Krassovsky, pnt1); xyz = bursa.Transform(xyz); GeodeticCoord p11 = Conversion.XYZ_BLH(Ellipsoid.WGS84, xyz); GeodeticCoord pnt2 = new GeodeticCoord(new Latitude(35), new Longitude(100), 3000); xyz = Conversion.BLH_XYZ(Ellipsoid.Krassovsky, pnt2); xyz = bursa.Transform(xyz); GeodeticCoord p22 = Conversion.XYZ_BLH(Ellipsoid.WGS84, xyz); double d = Math.Abs(pnt1.Height - pnt2.Height) - Math.Abs(p11.Height - p22.Height); //Origin origin = new Origin(lat, lng, 123); //object[] value = origin.GetPoint(); //Longitude lg = (Longitude)value[1]; //string json = JsonConvert.SerializeObject(Ellipsoid.CGCS2000); //Ellipsoid ellip = JsonConvert.DeserializeObject<Ellipsoid>(json); //GeoPoint point = new GeoPoint(lat, lng, ellip); //json = JsonConvert.SerializeObject(point); //GeoPoint pnt = JsonConvert.DeserializeObject<GeoPoint>(json); //Bessel bessel = new Bessel(new GeoPoint(lat, lng), 1000, new Angle(12, 23, 34), Ellipsoid.CGCS2000); //Angle a = bessel.Bearing; //Ellipsoid w84 = new Ellipsoid(6378137, 298.257222101, 7.292115e-5, 3.986004418e14); //Ellipsoid g84 = new Ellipsoid(6378137.0, 1.082629832258e-3, Angle.FromRadians(7.292115e-5), 3.986004418e14); //double ep = w84.ivf - g84.ivf; //Ellipsoid ellipsoid = Ellipsoid.WGS84; //GaussKrueger gauss = new GaussKrueger(new Ellipsoid(6378140, 298.257)); //gauss.Inverse(2280131, 465804, out Latitude lat, out Longitude lng); //lng += new Angle(111); //string aa = lat.Degrees.ToString() +"\\" +lng.Degrees.ToString(); //Dictionary<ProjectionParameter, double> parameters = new Dictionary<ProjectionParameter, double>(); //parameters.Add(ProjectionParameter.SemiMajor, Ellipsoid.WGS84.a); //parameters.Add(ProjectionParameter.InverseFlattening, -1); //parameters.Add(ProjectionParameter.FalseEasting, 5.0); //parameters.Add(ProjectionParameter.FalseNorthing, 6.0); //parameters.Add(ProjectionParameter.CenterMeridian, 120.0); //parameters.Add(ProjectionParameter.LatitudeOfOrigin, 30.0); //CassiniSoldner cassini = new CassiniSoldner(parameters); //cassini.Forward(new Latitude(34), new Longitude(123), out double northing, out double easting); //cassini.Inverse(northing, easting, out Latitude lat, out Longitude lng); }
/// <summary> /// Conversion of space rectangular coordinate to geodetic coordinate. /// </summary> /// <param name="ellipsoid">ellipsoid</param> /// <param name="xyz">space rectangular coordinate</param> /// <returns>geodetic coordinate</returns> public static GeodeticCoord XYZ_BLH(Ellipsoid ellipsoid, SpaceRectangularCoord xyz) { XYZ_BLH(ellipsoid, xyz.X, xyz.Y, xyz.Z, out Latitude lat, out Longitude lng, out double H); return(new GeodeticCoord(lat, lng, H)); }
/// <summary> /// Conversion of space rectangular coordinate to topocentric rectangular coordinate. /// </summary> /// <param name="ellipsoid">ellipsoid</param> /// <param name="XYZ">space rectangular coordinate</param> /// <param name="site">geodetic coordinate of station</param> /// <returns>topocentric rectangular coordinate</returns> public static TopocentricRectCoord XYZ_NEU(Ellipsoid ellipsoid, SpaceRectangularCoord XYZ, GeodeticCoord site) { XYZ_NEU(ellipsoid, site.Latitude, site.Longitude, site.Height, XYZ.X, XYZ.Y, XYZ.Z, out double N, out double E, out double U); return(new TopocentricRectCoord(N, E, U)); }