PreciseRange.hpp

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#pragma ident "$Id: PreciseRange.hpp 2293 2010-02-12 18:14:16Z btolman $"

//============================================================================
//
//  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 PRECISE_EPHEMERIS_RANGE_INCLUDE
#define PRECISE_EPHEMERIS_RANGE_INCLUDE

//------------------------------------------------------------------------------------
// GPSTk
#include "DayTime.hpp"
#include "Position.hpp"
#include "XvtStore.hpp"
#include "SatID.hpp"
#include "Matrix.hpp"

// geomatics
#include "AntexData.hpp"
#include "SolarSystem.hpp"
#include "EarthOrientation.hpp"

//------------------------------------------------------------------------------------
namespace gpstk
{

   class PreciseRange
   {
   public:
      PreciseRange() {}

      double ComputeAtTransmitTime(const DayTime& nomRecTime,
                                   const double pr,
                                   const Position& Rx,
                                   const SatID sat,
                                   const AntexData& antenna,
                                   const SolarSystem& SSEph,
                                   const EarthOrientation& EO,
                                   const XvtStore<SatID>& Eph,
                                   const bool isCOM=false)
         throw(Exception);

      double ComputeAtTransmitTime(const DayTime& nomRecTime,
                                   const double pr,
                                   const Position& Rx,
                                   const SatID sat,
                                   const XvtStore<SatID>& Eph)
         throw(Exception)
      {
         // antdummy will be invalid, so antenna computations will be skipped;
         // thus SolarSystem and EarthOrientation will never be needed.
         SolarSystem ssdum;
         EarthOrientation eodum;
         AntexData antdummy;
         return ComputeAtTransmitTime(nomRecTime,pr,Rx,sat,antdummy,ssdum,eodum,Eph);
      }

      double ComputeAtTransmitTime(const DayTime& nomRecTime,
                                   const double pr,
                                   const Position& Rx,
                                   const SatID sat,
                                   const AntexData& antenna,
                                   const XvtStore<SatID>& Eph)
         throw(Exception)
      {
         // ssdummy will be invalid, so SolarPosition will be used;
         // thus EarthOrientation will never be needed.
         SolarSystem ssdummy;
         EarthOrientation eodum;
         return ComputeAtTransmitTime(nomRecTime,pr,Rx,sat,antenna,ssdummy,eodum,Eph);
      }

      double rawrange;

      double relativity, relativity2;

      Position SatR, SatV;

      double satclkbias, satclkdrift;

      double elevation;

      double azimuth;

      double elevationGeodetic;

      double azimuthGeodetic;

      DayTime transmit;

      Triple cosines;

      double satLOSPCO,satLOSPCV;

      Vector<double> SatPCOXYZ;

      double Sagnac;


   }; // end class PreciseRange

   double RelativityCorrection(const Position& R, const Position& V);


}  // namespace gpstk

#endif // PRECISE_EPHEMERIS_RANGE_INCLUDE

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