Xvt.hpp

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//==============================================================================
//
//  This file is part of GNSSTk, the ARL:UT GNSS Toolkit.
//
//  The GNSSTk 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 3.0 of the License, or
//  any later version.
//
//  The GNSSTk 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 GNSSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin.
//  Copyright 2004-2022, The Board of Regents of The University of Texas System
//
//==============================================================================
 
//==============================================================================
//
//  This software was 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.
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//==============================================================================
 
#ifndef GNSSTK_XVT_INCLUDE
#define GNSSTK_XVT_INCLUDE
 
#include <iostream>
#include "Triple.hpp"
#include "EllipsoidModel.hpp"
#include "RefFrame.hpp"
#include "GNSSconstants.hpp"
 
namespace gnsstk
{
 
   class Xvt
   {
   public:
      enum HealthStatus
      {
         MinValue,
         Uninitialized = MinValue, 
         Unavailable, 
         Unused,      
         Unknown,     
         Unhealthy,   
         Degraded,    
         Healthy,     
         MaxValue = Healthy
      };
 
      Xvt() : x(0.,0.,0.), v(0.,0.,0.),
              clkbias(0.), clkdrift(0.),
              relcorr(0.),
              health(Uninitialized)
      {};
 
      virtual ~Xvt()
      {}
 
      Triple getPos() noexcept
      { return x; }
 
      Triple getVel() noexcept
      { return v; }
 
      double getClockBias() noexcept
      { return clkbias; }
 
      double getClockDrift() noexcept
      { return clkdrift; }
 
      double getRelativityCorr() noexcept
      { return relcorr; }
 
      virtual double computeRelativityCorrection(void);
 
      double preciseRho(const Triple& rxPos,
                        const EllipsoidModel& ellipsoid,
                        double correction = 0) const noexcept;
 
         // member data
 
      Triple x;        
      Triple v;        
      double clkbias;  
      double clkdrift; 
      double relcorr;  
      RefFrame frame;  
      HealthStatus health;    
 
   }; // end class Xvt
 
 
 
   std::ostream& operator<<(std::ostream& os, const Xvt& xvt) noexcept;
 
   std::ostream& operator<<(std::ostream& os, const Xvt::HealthStatus& health)
      noexcept;
 
}  // end namespace gnsstk
 
#endif // GNSSTK_XVT_INCLUDE