コード例 #1
0
ファイル: Position.cs プロジェクト: sunyw000/bookcode
        // ----------- Part  8: member functions: set -----------------------------
        // Set the Position given geodetic coordinates, system is set to Geodetic.
        // @param lat geodetic latitude in degrees North
        // @param lon geodetic longitude in degrees East
        // @param ht height above the ellipsoid in meters
        // @return a reference to this object.
        // @throw GeometryException on invalid input
        public void SetGeodetic(double lat, double lon, double ht,
                                EllipsoidModel ell)
        {
            if (lat > 90 || lat < -90)
            {
                throw new Exception("Invalid latitude in setGeodetic ");
            }
            this[0] = lat;

            this[1] = lon;
            if (this[1] < 0)
            {
                this[1] += 360 * (1 - Math.Ceiling(this[1] / 360));
            }
            else if (this[1] >= 360)
            {
                this[1] -= 360 * Math.Floor(this[1] / 360);
            }

            this[2] = ht;

            if (ell != null)
            {
                Ellipsoid = ell;
            }
            System = CoordinateSystem.Geodetic;
        }
コード例 #2
0
ファイル: Position.cs プロジェクト: sunyw000/bookcode
        public Position(Triple ABC, CoordinateSystem s, EllipsoidModel ell)
        {
            double a = ABC[0];
            double b = ABC[1];
            double c = ABC[2];

            Initialize(a, b, c, s, ell);
        }
コード例 #3
0
ファイル: Position.cs プロジェクト: sunyw000/bookcode
        // ----------- Part 12: private functions and member data -----------------
        //
        // Initialization function, used by the constructors.
        // @param a coordinate [ X(m), or latitude (degrees N) ]
        // @param b coordinate [ Y(m), or longitude (degrees E) ]
        // @param c coordinate [ Z, height above ellipsoid or radius, in m ]
        // @param s CoordinateSystem, defaults to Cartesian
        // @param geiod pointer to a GeoidModel, default NULL (WGS84)
        // @throw GeometryException on invalid input.
        private void Initialize(double a, double b, double c,
                                CoordinateSystem s, EllipsoidModel ell)
        {
            double bb = b;

            if (s == CoordinateSystem.Geodetic || s == CoordinateSystem.Geocentric)
            {
                if (a > 90 || a < -90)
                {
                    throw new Exception("Invalid latitude in constructor: " + a.ToString());
                }
                if (bb < 0)
                {
                    bb += 360 * (1 - Math.Ceiling(bb / 360));
                }
                else if (bb >= 360)
                {
                    bb -= 360 * Math.Floor(bb / 360);
                }
            }
            if (s == CoordinateSystem.Geocentric || s == CoordinateSystem.Spherical)
            {
                if (c < 0)
                {
                    throw new Exception("Invalid radius in constructor: " + c);
                }
            }
            if (s == CoordinateSystem.Spherical)
            {
                if (a < 0 || a > 180)
                {
                    throw new Exception("Invalid theta in constructor: " + a);
                }
                if (bb < 0)
                {
                    bb += 360 * (1 - Math.Ceiling(bb / 360));
                }
                else if (bb >= 360)
                {
                    bb -= 360 * Math.Floor(bb / 360);
                }
            }

            this[0] = a;
            this[1] = bb;
            this[2] = c;

            System    = s;
            Ellipsoid = ell;
            Tolerance = POSITION_TOLERANCE;
        }
コード例 #4
0
ファイル: Position.cs プロジェクト: sunyw000/bookcode
 public Position(double a, double b, double c, CoordinateSystem s,
                 EllipsoidModel ell)
 {
     Initialize(a, b, c, s, ell);
 }