Program Listing for File gnss_attitude.h

↰ Return to documentation for file (agents/gnss_attitude.h)

#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