JGM3GravityModel.hpp

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#pragma ident "$Id: JGM3GravityModel.hpp 2457 2010-08-18 14:20:12Z coandrei $"

#ifndef GPSTK_JGM3_GRAVITY_MODEL_HPP
#define GPSTK_JGM3_GRAVITY_MODEL_HPP


//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  Wei Yan - Chinese Academy of Sciences . 2009, 2010
//
//============================================================================


#include "SphericalHarmonicGravity.hpp"

namespace gpstk
{

   class JGM3GravityModel : public SphericalHarmonicGravity
   {
   public:
      JGM3GravityModel(int n = 20, int m = 20) 
         : SphericalHarmonicGravity(n, m)
      {
         gmData.modelName = "JGM3";

         gmData.GM = 3.98600441500e+14;
         gmData.refDistance = 6378136.300000;

         gmData.includesPermTide = true;

         gmData.refMJD = 46431.0;
         gmData.dotC20 = 0.0000000000E-11;
         gmData.dotC21 = 0.0000000000E-11;
         gmData.dotS21 = 0.0000000000E-11;

         gmData.maxDegree = 70;
         gmData.maxOrder = 70;

         gmData.unnormalizedCS.resize(71, 71);
         gmData.unnormalizedCS = &gmcs[0][0];

      };

      virtual ~JGM3GravityModel(){};


      virtual void initialize(){};

   private:

      static const double gmcs[71][71];      // it's unnormalized

   }; // End of class 'JGM3'

      // @}

}  // End of namespace 'gpstk'

#endif   // GPSTK_JGM3_GRAVITY_MODEL_HPP

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