#ifndef OrbitalInfo_h
#define OrbitalInfo_h

#include <TObject.h>
#include <OrbitalInfoStruct.h>

/**
 * Class that stores position, time, inclination, magnetic field and
 * cutoff informations.
 */
class OrbitalInfo : public TObject {
 public:
  OrbitalInfo();
  OrbitalInfo* GetOrbitalInfo(){return this;}; // Elena

  UInt_t absTime; ///< Absolute Time (seconds) 
  UInt_t OBT; ///< On Board Time (ms)
  UInt_t pkt_num; ///< CPU packet number 

  Float_t lon; ///< degrees from -180 to 180
  Float_t lat; ///< degrees from -90 to 90
  Float_t alt; ///< meters asl

  // B components.
  Float_t Bnorth; ///< gauss
  Float_t Beast; ///< gauss
  Float_t Bdown; ///< gauss

  Float_t Babs; ///< abs value (guass)

  Float_t BB0; ///< B abs over the B minimum on this field line

  Float_t L; ///< McIlwain's L shell (in earth radii)

  // Dipolar magnetic coordinates (not used).
  Float_t londip; ///< degrees from -180 to 180
  Float_t latdip; ///< degrees from -90 to 90
  Float_t altdip; ///< meters

  // Corrected magnetic coordinates (not used).
  Float_t loncgm; ///< degrees from -180 to 180
  Float_t latcgm; ///< degrees from -90 to 90
  Float_t altcgm; ///< meters

  // Corrected B min magnetic coordinates (not used).
  Float_t loncbm; ///< degrees from -180 to 180
  Float_t latcbm; ///< degrees from -90 to 90
  Float_t altcbm; ///< meters

  Float_t cutoff[20];

  // Quaternions 
  Float_t q0, q1, q2, q3;

  // Euler angles (nadir reference frame) (not used)
  Float_t theta, phi, etha;

  // Euler angles (local field reference frame) (not used)
  Float_t thetamag, phimag, ethamag;

  // Useful?
  Int_t goodAttitude[5];

  /**
     \return Returns the B minimum along the field line.
  */
  Float_t GetB0() { return Babs/BB0; };

  /**
     \return Returns the Stormer vertical cutoff using L shell:
     14.9/L^2 (GV/c).
  */
  Float_t GetCutoffSVL() { return cutoff[0]; };

  void SetFromLevel2Struct(cOrbitalInfo *l2);
  void GetLevel2Struct(cOrbitalInfo *l2) const;

  void Clear(); // emiliano
  //
  ClassDef(OrbitalInfo, 2)
};
#endif