EphemerisRange.hpp

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#pragma ident "$Id: EphemerisRange.hpp 1264 2008-06-25 13:18:27Z ocibu $"

//============================================================================
//
//  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
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================
//============================================================================
//
//This software developed by Applied Research Laboratories at the University of
//Texas at Austin, under contract to an agency or agencies within the U.S. 
//Department of Defense. The U.S. Government retains all rights to use,
//duplicate, distribute, disclose, or release this software. 
//
//Pursuant to DoD Directive 523024 
//
// DISTRIBUTION STATEMENT A: This software has been approved for public 
//                           release, distribution is unlimited.
//
//=============================================================================

#ifndef EPHEMERIS_RANGE_HPP
#define EPHEMERIS_RANGE_HPP

#include "DayTime.hpp"
#include "SatID.hpp"
#include "Position.hpp"
#include "XvtStore.hpp"

namespace gpstk
{

   class CorrectedEphemerisRange
   {
   public:
      CorrectedEphemerisRange() {}

      double ComputeAtReceiveTime(
         const DayTime& tr_nom,
         const Position& Rx,
         const SatID sat,
         const XvtStore<SatID>& Eph);

      double ComputeAtTransmitTime(
         const DayTime& tr_nom,
         const double& pr,
         const Position& Rx,
         const SatID sat,
         const XvtStore<SatID>& Eph);

      double ComputeAtTransmitSvTime(
         const DayTime& tt_nom,
         const double& pr,
         const Position& Rx,
         const SatID sat,
         const XvtStore<SatID>& Eph);

      double rawrange;
      double svclkbias;
      double svclkdrift;
      double relativity;
      double elevation;
      double azimuth;
      double elevationGeodetic;
      double azimuthGeodetic;
      DayTime transmit;
      Triple cosines;
      Xvt svPosVel;

   private:
      // These are just helper functions to keep from repeating code
      void updateCER(const Position& Rx);
      void rotateEarth(const Position& Rx);

   }; // end class CorrectedEphemerisRange

   double RelativityCorrection(const Xvt& svPosVel);



}  // namespace gpstk

#endif

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