[u/mrichter/AliRoot.git] / PWG2 / FEMTOSCOPY / AliFemto / AliFemtoEventReaderKinematicsChain.h

/////////////////////////////////////////////////////////////////////////////////////
//                                                                                 //
// AliFemtoEventReaderKinematicsChain - the reader class for the Alice ESD and     //
// the model Kinematics information tailored for the Task framework and the        //
// Reads in AliESDfriend to create shared hit/quality information                  //
// Authors: Malgorzata Janik, Warsaw University of Technology, majanik@cern.ch     //
//          Lukasz Graczykowski, Warsaw University of Technology, lgraczyk@cern.ch //
//  	       				                                           //
/////////////////////////////////////////////////////////////////////////////////////


#ifndef ALIFEMTOEVENTREADERKINEMATICSCHAIN_H
#define ALIFEMTOEVENTREADERKINEMATICSCHAIN_H

#include "AliFemtoEventReader.h"
#include "AliFemtoEnumeration.h"

#include <string>
#include <vector>
#include <TTree.h>
#include <AliStack.h>
#include <list>
#include <AliGenEventHeader.h>

class AliFemtoEvent;

class AliFemtoEventReaderKinematicsChain : public AliFemtoEventReader 
{
 public:
  AliFemtoEventReaderKinematicsChain();
  AliFemtoEventReaderKinematicsChain(const AliFemtoEventReaderKinematicsChain& aReader);
  ~AliFemtoEventReaderKinematicsChain();

  AliFemtoEventReaderKinematicsChain& operator=(const AliFemtoEventReaderKinematicsChain& aReader);

  AliFemtoEvent* ReturnHbtEvent();
  AliFemtoString Report();
  void SetConstrained(const bool constrained);
  bool GetConstrained() const;

  //void SetESDSource(AliESDEvent *aESD);
  void SetStackSource(AliStack *aStack);
  void SetGenEventHeader(AliGenEventHeader *aGenHeader);
  void SetRotateToEventPlane(short dorotate);

 protected:

 private:
  string         fFileName;      // name of current ESD file
  bool           fConstrained;   // flag to set which momentum from ESD file will be use
  int            fNumberofEvent; // number of Events in ESD file
  int            fCurEvent;      // number of current event
  unsigned int   fCurFile;       // number of current file
  AliStack       *fStack;         // Kinematics stack pointer
  AliGenEventHeader *fGenHeader; // Link to the generator event header

  short          fRotateToEventPlane; // Rotate the event so that event plane is at x=0

  Float_t GetSigmaToVertex(double *impact, double *covar);

#ifdef __ROOT__
  ClassDef(AliFemtoEventReaderKinematicsChain, 1)
#endif

    };
  
#endif
Commit	Line	Data
859f1d8d	1	/////////////////////////////////////////////////////////////////////////////////////
	2	// //
	3	// AliFemtoEventReaderKinematicsChain - the reader class for the Alice ESD and //
	4	// the model Kinematics information tailored for the Task framework and the //
	5	// Reads in AliESDfriend to create shared hit/quality information //
	6	// Authors: Malgorzata Janik, Warsaw University of Technology, majanik@cern.ch //
	7	// Lukasz Graczykowski, Warsaw University of Technology, lgraczyk@cern.ch //
	8	// //
	9	/////////////////////////////////////////////////////////////////////////////////////
	10
	11
	12	#ifndef ALIFEMTOEVENTREADERKINEMATICSCHAIN_H
	13	#define ALIFEMTOEVENTREADERKINEMATICSCHAIN_H
	14
	15	#include "AliFemtoEventReader.h"
	16	#include "AliFemtoEnumeration.h"
	17
	18	#include <string>
	19	#include <vector>
	20	#include <TTree.h>
	21	#include <AliStack.h>
	22	#include <list>
	23	#include <AliGenEventHeader.h>
	24
	25	class AliFemtoEvent;
	26
	27	class AliFemtoEventReaderKinematicsChain : public AliFemtoEventReader
	28	{
	29	public:
	30	AliFemtoEventReaderKinematicsChain();
	31	AliFemtoEventReaderKinematicsChain(const AliFemtoEventReaderKinematicsChain& aReader);
	32	~AliFemtoEventReaderKinematicsChain();
	33
	34	AliFemtoEventReaderKinematicsChain& operator=(const AliFemtoEventReaderKinematicsChain& aReader);
	35
	36	AliFemtoEvent* ReturnHbtEvent();
	37	AliFemtoString Report();
	38	void SetConstrained(const bool constrained);
	39	bool GetConstrained() const;
	40
	41	//void SetESDSource(AliESDEvent *aESD);
	42	void SetStackSource(AliStack *aStack);
	43	void SetGenEventHeader(AliGenEventHeader *aGenHeader);
	44	void SetRotateToEventPlane(short dorotate);
	45
	46	protected:
	47
	48	private:
	49	string fFileName; // name of current ESD file
	50	bool fConstrained; // flag to set which momentum from ESD file will be use
	51	int fNumberofEvent; // number of Events in ESD file
	52	int fCurEvent; // number of current event
	53	unsigned int fCurFile; // number of current file
	54	AliStack *fStack; // Kinematics stack pointer
	55	AliGenEventHeader *fGenHeader; // Link to the generator event header
	56
	57	short fRotateToEventPlane; // Rotate the event so that event plane is at x=0
	58
	59	Float_t GetSigmaToVertex(double impact, double covar);
	60
	61	#ifdef __ROOT__
	62	ClassDef(AliFemtoEventReaderKinematicsChain, 1)
	63	#endif
	64
65	};
66
67	#endif
68
69