SunEarthSatGeometry.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,
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//  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.
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//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
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//==============================================================================
 
#ifndef SUN_EARTH_SATELLITE_INCLUDE
#define SUN_EARTH_SATELLITE_INCLUDE
 
#include "Matrix.hpp"
#include "Position.hpp"
 
namespace gnsstk
{
   Matrix<double> northEastUp(Position& pos, bool geoc=false);
 
   Matrix<double> northEastUpGeocentric(Position& pos);
 
   Matrix<double> northEastUpGeodetic(Position& pos);
 
   Matrix<double> upEastNorth(Position& pos, bool geoc=false);
 
   Matrix<double> upEastNorthGeocentric(Position& pos);
 
   Matrix<double> upEastNorthGeodetic(Position& pos);
 
   double shadowFactor(double angRadEarth, double angRadSun, double angSeparation);
 
   double shadowFactor(const Position& sv, const Position& sun);
 
   Matrix<double> satelliteAttitude(const Position& pos, const Position& sun);
 
   Matrix<double> orbitNormalAttitude(const Position& pos, const Position& vel);
 
   void satelliteNadirAzimuthAngles(const Position& sv,
                                    const Position& rx,
                                    const Matrix<double>& rot,
                                    double& nadir,
                                    double& azimuth);
 
   double satelliteEarthSunAngle(const Position& sv, const Position& sun);
 
   void sunOrbitAngles(const Position& pos, const Position& vel, const Position& sun,
                       double& beta, double& phi);
 
   double satelliteYawAngle(const Position& pos, const Position& vel, const Position& sun,
                            const bool& blkIIRF, double& yawrate);
 
}  // end namespace gnsstk
 
#endif // SUN_EARTH_SATELLITE_INCLUDE