.. _program_listing_file_agents_gnss_attitude.h:

Program Listing for File gnss_attitude.h
========================================

|exhale_lsh| :ref:`Return to documentation for file <file_agents_gnss_attitude.h>` (``agents/gnss_attitude.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   #pragma once
   
   #include "lupnt/core/definitions.h"
   
   namespace lupnt {
   
     class GnssAttitude {
     public:
       GnssAttitude() = default;
   
       GnssAttitude(const Vec3& r_sat_eci, const Vec3& r_sun_eci);
   
       static void Compute(const Vec3& r_sat_eci, const Vec3& r_sun_eci, Vec3& ex, Vec3& ey, Vec3& ez);
   
       static void Compute(const Vec3& r_sat_eci, const Vec3& v_sat_eci, const Vec3& r_sun_eci,
                           Vec3& ex, Vec3& ey, Vec3& ez);
   
       static void ComputeFromYawAngle(const Vec3& r_sat_eci, const Vec3& v_sat_eci, Real yaw_angle,
                                       Vec3& ex, Vec3& ey, Vec3& ez);
   
       void Update(const Vec3& r_sat_eci, const Vec3& r_sun_eci);
   
       void Update(const Vec3& r_sat_eci, const Vec3& v_sat_eci, const Vec3& r_sun_eci);
   
       const Vec3& GetEx() const { return ex_; }
       const Vec3& GetEy() const { return ey_; }
       const Vec3& GetEz() const { return ez_; }
   
       Mat3 GetRotationMatrix() const;
   
       void GetAngles(const Vec3& u, Real& theta, Real& phi) const;
   
     private:
       Vec3 ex_ = Vec3::UnitX();
       Vec3 ey_ = Vec3::UnitY();
       Vec3 ez_ = Vec3::UnitZ();
     };
   
   }  // namespace lupnt