X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmath%2FSGGeodesy.hxx;h=ef1be21f618185ea56405a94bed03eed49fc44eb;hb=f19e83dcf10d5fced3d799c884a4654d7ada6548;hp=476879fe7c0f594dbb4742b665ed18e79cf63a24;hpb=4e7fe460a5c5c1b64dd1d540bc197dbb89614b7f;p=simgear.git

diff --git a/simgear/math/SGGeodesy.hxx b/simgear/math/SGGeodesy.hxx
index 476879fe..ef1be21f 100644
--- a/simgear/math/SGGeodesy.hxx
+++ b/simgear/math/SGGeodesy.hxx
@@ -10,27 +10,21 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Library General Public License for more details.
 //
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-// Boston, MA  02111-1307, USA.
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 
 #ifndef SGGeodesy_H
 #define SGGeodesy_H
 
-class SGGeoc;
-class SGGeod;
-
-template<typename T>
-class SGVec3;
-
 class SGGeodesy {
 public:
   // Hard numbers from the WGS84 standard.
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+  static const double EQURAD;
+  static const double iFLATTENING;
+  static const double SQUASH;
+  static const double STRETCH;
   static const double POLRAD;
 
   /// Takes a cartesian coordinate data and returns the geodetic
@@ -51,6 +45,24 @@ public:
   /// Takes a geocentric coordinate data and returns the cartesian
   /// coordinates.
   static void SGGeocToCart(const SGGeoc& geoc, SGVec3<double>& cart);
+
+  // Geodetic course/distance computation
+  static bool direct(const SGGeod& p1, double course1,
+                     double distance, SGGeod& p2, double& course2);
+
+  static bool inverse(const SGGeod& p1, const SGGeod& p2, double& course1,
+                      double& course2, double& distance);
+
+  static double courseDeg(const SGGeod& from, const SGGeod& to);
+  static double distanceM(const SGGeod& from, const SGGeod& to);
+  static double distanceNm(const SGGeod& from, const SGGeod& to);
+    
+  // Geocentric course/distance computation
+  static void advanceRadM(const SGGeoc& geoc, double course, double distance,
+                          SGGeoc& result);
+  static double courseRad(const SGGeoc& from, const SGGeoc& to);
+  static double distanceRad(const SGGeoc& from, const SGGeoc& to);
+  static double distanceM(const SGGeoc& from, const SGGeoc& to);
 };
 
 #endif