// -*- mode: c++ -*-
//
// $Id: BrTd1MatchingModule.h,v 1.2 2002/04/02 19:20:56 videbaek Exp $
// $Author: videbaek $
// $Date: 2002/04/02 19:20:56 $
// $Copyright: (C) 2002 BRAHMS Collaboration <brahmlib@rhic.bnl.gov>
//
#ifndef BRAT_BrTd1MatchingModule
#define BRAT_BrTd1MatchingModule
#ifndef BRAT_BrModule
#include "BrModule.h"
#endif

class BrEventNode;
class TNtuple;
class TH1F;
class TH2F;
class BrCoordinateSystem;
class BrDetectorVolume;
class BrMagnetVolume;

class BrTd1MatchingModule : public BrModule
{
private:
  TNtuple* fntpTd1;
  
  BrCoordinateSystem* fD1System;
  BrCoordinateSystem* fT1System;
  BrMagnetVolume* fD1Volume;
  BrDetectorVolume* fT1Volume;
  BrDetectorVolume* fTd1Volume;

  Double_t fXoffset;
  Double_t fYoffset;
  Double_t fDx;
  Double_t fDy;

  TH2F* fhProjectedPosition;
  TH2F* fhXYDiff;
  TH2F* fhYYDiff1;
  TH2F* fhYYDiff2;
  TH2F* fhYYDiff3;
  TH1F* fhYDiff1;
  TH1F* fhYDiff2;
  TH1F* fhYDiff3;
  TH1F*  fhXSlat1;
  TH1F*  fhXSlat2;
  TH1F*  fhXSlat3;
  TH1F*  fhAcpXSlat1;
  TH1F*  fhAcpXSlat2;
  TH1F*  fhAcpXSlat3;
  TH1F*  fhXSlatDiff1;
  TH1F*  fhXSlatDiff2;
  TH1F*  fhXSlatDiff3;

protected:
  void SetMagnetFields();
  
public:
  BrTd1MatchingModule();
  BrTd1MatchingModule(const Char_t* name, const Char_t* title);
  virtual ~BrTd1MatchingModule () {}
  
  virtual void DefineHistograms();
  virtual void Init();
  virtual void Begin();
  virtual void Event(BrEventNode* inNode, BrEventNode* outNode);
  virtual void End();
  virtual void Finish();
  virtual void Print(Option_t* option="B") const; // *MENU*

  virtual void SetXoffset(const Double_t d=0.0) {fXoffset=d;}
  virtual void SetYoffset(const Double_t d=0.0) {fYoffset=d;}
  virtual void SetDx(const Double_t d=0.0) {fDx=d;}
  virtual void SetDy(const Double_t d=0.0) {fDy=d;}
  virtual Double_t GetXoffset() const {return fXoffset;}
  virtual Double_t GetYoffset() const {return fYoffset;}
  virtual Double_t GetDx() const {return fDx;}
  virtual Double_t GetDy() const {return fDy;}

  ClassDef(BrTd1MatchingModule,0) // utility matching module between TD1 hits and FFS tracks
};

#endif
//____________________________________________________________________
//
// $Log: BrTd1MatchingModule.h,v $
// Revision 1.2  2002/04/02 19:20:56  videbaek
// Additional diagnostic histograms
//
// Revision 1.1  2002/03/20 19:17:56  videbaek
// Added module for matching between ffsTracks and Td1 start counter used
// in the pp. Running. The module is similar in concept to the TofMatching modules
// but utilizes a different intermediat object.
//
//
//