PndFsmCombiDet.h

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//****************************************************************************
//*                   This file is part of PandaRoot.                        *
//*                                                                          *
//*            PandaRoot is distributed under the terms of the               *
//*              GNU General Public License (GPL) version 3,                 *
//*                 copied verbatim in the file "LICENSE".                   *
//*                                                                          *
//*  Copyright (C) 2006 - 2024 FAIR GmbH and copyright holders of PandaRoot  *
//*     The copyright holders are listed in the file "COPYRIGHTHOLDERS".     *
//*               The authors are listed in the file "AUTHORS".              *
//****************************************************************************

//--------------------------------------------------------------------------
// Description:
//      Class PndFsmCombiDet
//
//  Detector class that combines responses from other detectors (same as PndFsmCombiDet)
//  Includes a simple parametrization for charged particles
//
//  This software was developed for the PANDA collaboration.  If you
//  use all or part of it, please give an appropriate acknowledgement.
//
// Author List:
//      Oscar Reinecke                   Original Author
//  Andreas Pitka            Efficiency part
//
// Copyright Information:
//      Copyright (C) 2008              GSI
//
//
//------------------------------------------------------------------------

#ifndef FSMCOMBIDET_HH
#define FSMCOMBIDET_HH

//----------------------
// Base Class Headers --
//----------------------

//-------------------------------
// Collaborating class Headers --
//-------------------------------
#include <iosfwd>
#include "ArgList.h"
#include "PndFsmAbsDet.h"
#include "PndFsmDetFactory.h"
#include <map>
#include "TFile.h"

//--------------------------------------------
// Collaborating class forward declarations --
// -------------------------------------------
class PndFsmTrack;
class PndFsmResponse;
class PndFsmAbsDet;
class TString;
class TSpline3;
class TF1;
class TF3;

template <class p>
class TParameter;

class PndFsmCombiDet : public PndFsmAbsDet {
 public:
  PndFsmCombiDet();
  PndFsmCombiDet(ArgList &par);
  virtual ~PndFsmCombiDet();

  virtual PndFsmResponse *respond(PndFsmTrack *t);

  // adds detector for pid contribution only
  Bool_t AddDetector(std::string name, std::string params = "");
  // this can be used to subtract a known detector
  // response from the parameterized track resolution
  Bool_t SubtractDetector(std::string name, std::string params = "");

 private:
  Bool_t setParameter(std::string &name, std::string &value);
  Bool_t setParameter(std::string &name, Double_t value);
  void readParameters();
  void initParameters();

  typedef std::list<PndFsmAbsDet *> FsmAbsDetList;
  FsmAbsDetList fDetList;
  FsmAbsDetList fSubtractDetList;
  PndFsmDetFactory fDetFact;

  TString _parFileName;
  TFile *fEffFile;

  Bool_t _parFile;
  Double_t _d0ResMulti;
  Double_t _z0ResMulti;
  Double_t _thtResMulti;
  Double_t _phiResMulti;
  Double_t _momResMulti;
  // this can be used do degrade the
  // usually sharp likelihoods created
  // by a typical fsim detector setup
  Double_t _pidLhMulti;

  std::map<Int_t, TSpline3 *> _d0;
  std::map<Int_t, TSpline3 *> _z0;
  std::map<Int_t, TSpline3 *> _tht;
  std::map<Int_t, TSpline3 *> _phi;
  std::map<Int_t, TSpline3 *> _mom;
  std::map<Int_t, TParameter<Double_t> *> _mom0;
  TParameter<Double_t> *_tht0;
  TParameter<Double_t> *_tht1;
  std::map<Int_t, TF1 *> _d0Scale;
  std::map<Int_t, TF1 *> _z0Scale;
  std::map<Int_t, TF1 *> _thtScale;
  std::map<Int_t, TF1 *> _phiScale;
  std::map<Int_t, TF1 *> _momScale;

  TF3 *fPipPara;
  TF3 *fPimPara;
  TF3 *fKpPara;
  TF3 *fKmPara;
  TF3 *fProtPara;
  TF3 *fAntiProtPara;
  TF3 *fepPara;
  TF3 *femPara;
  TF3 *fmupPara;
  TF3 *fmumPara;

  Double_t eval(TSpline3 *spline, Double_t theta);
};

#endif