Geodetic conversions transfered to Transformer class

src/blackmisc/coordinatetransformation.h

@@ -30,11 +30,72 @@ namespace Geo
 class CCoordinateTransformation
 {
 private:
+    /*!
+     * \brief Equatorial radius of WGS84 ellipsoid (6378137 m)
+     * \return
+     */
+    static const qreal &EarthRadiusMeters()
+    {
+        static qreal erm = 6378137.0;
+        return erm;
+    }
+
+    /*!
+     * \brief Flattening of WGS84 ellipsoid (1/298.257223563)
+     * \return
+     */
+    static const qreal &Flattening()
+    {
+        static qreal f = 1/298.257223563;
+        return f;
+    }
+
+    /*!
+     * \brief First eccentricity squared
+     * \return
+     */
+    static const qreal &e2()
+    {
+        static qreal e2 = (Flattening() * (2 - Flattening()));
+        return e2;
+    }
+
+    /*!
+     * \brief First eccentricity to power of four
+     * \return
+     */
+    static const qreal &e4()
+    {
+        static qreal e4 = BlackMisc::Math::CMath::square(e2());
+        return e4;
+    }
+
+    /*!
+     * \brief First eccentricity squared absolute
+     * \return
+     */
+    static const qreal &e2abs()
+    {
+        static qreal e2abs = abs(e2());
+        return e2abs;
+    }
+
+    /*!
+     * \brief Eccentricity e2m
+     * \return
+     */
+    static const qreal &e2m()
+    {
+        static qreal e2m = BlackMisc::Math::CMath::square(1 - Flattening());
+        return e2m;
+    }
+
     /*!
      * \brief Default constructor, avoid object instantiation
      */
     CCoordinateTransformation() {}
 
+
 public:
     /*!
      * \brief NED to ECEF
@@ -50,6 +111,13 @@ public:
      */
     static CCoordinateNed toNed(const CCoordinateEcef &ecef, const CCoordinateGeodetic &geo);
 
+    /*!
+     * \brief ECEF to Geodetic
+     * \param geo
+     * \return
+     */
+    static CCoordinateGeodetic toGeodetic(const CCoordinateEcef &ecef);
+
 };
 
 } // namespace