#ifndef HEADERSTRUCT_HH
#define HEADERSTRUCT_HH

//Blocks: header

const Int_t MAXVERNAMELEN=16;

struct myheader_t {
  Int_t ntversion;
  Int_t run;
  Int_t event;
  Int_t hlophoversion;

  Float_t ilum;
  // The instantaneous luminosity for an event

  Char_t prodversion[MAXVERNAMELEN]; // Version of offline used for production
  Char_t ntoffversion[MAXVERNAMELEN]; // Version of offline ntupler is linked
                                      // against
  Float_t cotbeamx;
  Float_t cotbeamy;
  Float_t svxbeamx;
  Float_t svxbeamy;

  // NB: tlum and livetlum are here for PHYSMON only. 
  // Unless you are sure you have an entire run, it is best to get the
  // Luminosity for the runs you process from the database.
  Float_t tlum;
  // The total luminosity of the run up to the current event

  Float_t liveilum;
  // The *live* instantaneous luminosity for an event

  Float_t livetlum;
  // The total *live* luminosity of the run up to the current event

  Float_t svxslopex;
  Float_t svxslopey;
  // The slope of the beam line as determined by the svx. If there's no silicon
  // both components are set to 0.
  // svxslopex = dx/dz
  // svxslopey = dy/dz

  Float_t cotslopex;
  Float_t cotslopey;
  // The slope of the beam line as determined by the cot. If there's no cot(!)
  // both components are set to 0.
  // cotslopex = dx/dz
  // cotslopey = dy/dz


};

#endif