// -*- mode: c++ -*- 
#ifndef BRAT_BrGeantHeader
#define BRAT_BrGeantHeader
//
// $Id: BrGeantHeader.h,v 1.1.1.1 2001/06/21 14:55:00 hagel Exp $
// $Log: BrGeantHeader.h,v $
// Revision 1.1.1.1  2001/06/21 14:55:00  hagel
// Initial revision of brat2
//
// Revision 1.4  2000/04/06 20:19:57  cholm
// Added the class BrGeantDigitize, which is a full-blown
// GBRAHMS digitizer
//
// Revision 1.3  1999/02/11 22:27:26  hagel
// Changes to make run on Solaris
//
// Revision 1.2  1999/01/21 23:23:23  hagel
// 1. Changed convention for checking includes.  Current convention is:
//    BRAT_Br...... eg BRAT_BrModule ala ROOT.
// 2. Added CVS logs to .h files that didn't have them.
// 3. Moved checking of include definition to first line for easier reading
// 4. Put checks before all includes in the include files as per BRAT specifications
// 5. Added BrGeantHeader to Geant Makefile
// 6. All changes have been checked to compile on NT ala Cygnus
//
// Revision 1.1  1999/01/15 16:32:06  videbaek
// Added new class BrGeantHeader to take care of additional gbrahms functionality
//
//

///////////////////////////////////////////////////////////////////////
//                                                                   //
//    BrGeantHeader                                                  //
//                                                                   //
//    BRAHMS Geant information class                                 //
//                                                                   //
//    BrGeantHeader will maintain additional information from        //
//    the geant runs as stored in the eventheader. This is the       //
//    kind of information that normally would no go into the regular //
//    BrEventHeader                                                  //
//                                                                   //
//    Author  : F.Videbaek                                           //
//    Created : January 99                                           //
//    Version : 1.0                                                  //
//    Changed :                                                      //
//                                                                   //
///////////////////////////////////////////////////////////////////////
// Root Classes

#ifndef ROOT_TObject
#include "TObject.h"
#endif

// Brahms Classes
//
#ifndef BRAT_BrDataObject
#include "BrDataObject.h"
#endif

class BrGeantHeader : public BrDataObject {

public:
  BrGeantHeader();
  BrGeantHeader(Char_t* name, Char_t* title=0);
  
  virtual ~BrGeantHeader() { };

  void SetVertex(Double_t val){fVertex=val;}
  void SetImpactParameter(Double_t val) {fImpactParameter=val;}
  Double_t GetVertex() const {return fVertex;}
  Double_t GetImpactParameter() const {return fImpactParameter;}
  

private:
  Double_t fVertex;          // Vertex position (in cm) 
  Double_t fImpactParameter; // Impact parameter (in fm)
 
  ClassDef(BrGeantHeader,1)  // BRAHMS geant header data class

};

#endif