[u/mrichter/AliRoot.git] / HLT / global / ReadFlatESD.C

/**
 * >> Testing Macro to read FlatESDEvent from output file <<
 **
 * Primary Authors : Sergey Gorbunov, Jochen Thaeder, Chiara Zampolli
 *
 * Usage:
 *  aliroot -b -l -q LoadLibs.C ReadFlatESD.C++
 *
 **************************************************************************/

#if !defined(__CINT__) || defined(__MAKECINT__)
#include "AliESDEvent.h"
#include "AliESD.h"
#include "AliESDfriend.h"
#include <TFile.h>
#include <TTree.h>
#include <TSystem.h>
#include "./AliFlatESDEvent.h"
#include "./AliFlatESDTrack.h"
#include "./AliFlatTPCCluster.h"
#include "./AliFlatExternalTrackParam.h"
#include "Riostream.h"
#endif   

void ReadFlatESD(const char* filename="outFlatESD.dat", Bool_t verbose=kFALSE) {

  ifstream is(filename, std::ifstream::binary | std::ifstream::in);
  if (is){
    std::cout << "ifstream available"<<endl;
    is.seekg (0, is.end);
    int length = is.tellg();
    is.seekg (0, is.beg);
    std::cout << "length "<<length<<endl;
    char * buffer = new char [length];
    
    std::cout << "Reading " << length << " characters... ";
    
    is.read (buffer,length);
    if (is)
      std::cout << "all characters read successfully." << endl;
    else
      std::cout << "error: only " << is.gcount() << " could be read";
    is.close();
    
    // ...buffer contains the entire file...
    
    char *curr = buffer;
    char *endBuff = buffer+length;
    int iEvent = 0;
    
    while( curr < endBuff ){
      cout<<endl<<"Reading event "<<iEvent<<":"<<endl;
    Printf("curr: %p \t endBuff: %p \t diff %p ", curr, endBuff, endBuff-curr);
      AliFlatESDEvent *flatEsd = reinterpret_cast<AliFlatESDEvent *>(curr);
			new (flatEsd) AliFlatESDEvent(1);

      
cout<<"vtx SPD: "<<(Bool_t) flatEsd->GetPrimaryVertexSPD()
	  <<" vtx tracks: "<<(Bool_t) flatEsd->GetPrimaryVertexTracks()	
	  <<" ntracks: "<<flatEsd->GetNumberOfTracks()
	  <<" nV0's: "<<flatEsd->GetNumberOfV0s()
	  <<endl;


// compare tracks
if(verbose){
	static const int nExt = 4;
	  AliFlatESDTrack *track = flatEsd->GetTracks();
	  new (track)AliFlatESDTrack(1);
    for (Int_t idxTrack = 0; idxTrack < flatEsd->GetNumberOfTracks() && track; ++idxTrack) { 

		AliFlatExternalTrackParam* ext[nExt] ={
			
				track->GetTrackParamRefitted(),
				track->GetTrackParamIp(),
				track->GetTrackParamTPCInner(),
				track->GetTrackParamOp(),
		
		};
	
     	//Printf("  TEST: FlatTrack1 %d > FlatExternalTrackParam1 > %p %p %p %p", idxTrack, exp11, exp21, exp31, exp41);
     	//Printf("  TEST: FlatTrack2 %d > FlatExternalTrackParam2 > %p %p %p %p", idxTrack, exp12, exp22, exp32, exp42);


	for(int iExt=0; iExt<nExt; ++iExt){
cout<<endl<<iExt<<endl;		
		if(!ext[iExt]){
		//	cout<<"DIFFERENCE!: ";
	 		cout<<" ext"<<iExt<<" not set"<<endl;
		}	


		cout<<" alpha"<<iExt<<" :"  << (ext[iExt] ? ext[iExt]->GetAlpha() : -9999) <<endl;
cout<<" GetX"<<iExt<<" :"  << (ext[iExt] ? ext[iExt]->GetX(): -9999) <<endl;
	cout<<" 1/pt"<<iExt<<" :"  <<  (ext[iExt] ? ext[iExt]->GetSigned1Pt(): -9999)  <<endl;
			

}
	
		cout<<" nTPCclusters: "<<track->GetNumberOfTPCClusters()<< endl;
		cout<<" nITSclusters: "<<track->GetNumberOfITSClusters()<< endl;

// read clusters

	Int_t nCl = track->GetNumberOfTPCClusters();
	if(nCl && verbose > 1){
	
      for (Int_t idxRow = 0; idxRow <  nCl; idxRow++){
      cout<<"rowNr "<< idxRow<<endl;
      
      AliFlatTPCCluster * cl = track->GetTPCCluster(idxRow);

			 	cout<<" idx fX fY fZ  fSigmaY2 fSigmaZ2 fCharge fQMax fPadRow" <<endl;
				if(cl) cout<< idxRow <<" "<< cl->GetX()<<" "<< cl->GetY()<<" "<< cl->GetZ()<<" "<< cl->GetSigmaY2()<<" "<< cl->GetSigmaZ2()<<" "<< cl->GetCharge()<<" "<< cl->GetQMax() <<" "<< cl->GetPadRow()<<endl;
				else cout <<"----------------------------------------------------"<<endl;
    }
	}
     
      cout<<"get next track"<<endl;
      track = track->GetNextTrack();
	  	new (track)AliFlatESDTrack(1);
	  
	  
	  }
}

    Printf("curr: %p \t + %d = %p , diff:%p", curr, flatEsd->GetSize() ,curr+ flatEsd->GetSize(), endBuff-(curr+ flatEsd->GetSize())   );
      curr=curr+ flatEsd->GetSize();
      iEvent++;
    }


    delete[] buffer;
  }
  else {
    cout << "File "<<filename<<" could not be read" << endl;
  }
  return;
}
Commit	Line	Data
251a2c81	1	/**
	2	* >> Testing Macro to read FlatESDEvent from output file <<
	3	**
	4	* Primary Authors : Sergey Gorbunov, Jochen Thaeder, Chiara Zampolli
	5	*
	6	* Usage:
	7	* aliroot -b -l -q LoadLibs.C ReadFlatESD.C++
	8	*
	9	**************************************************************************/
	10
	11	#if !defined(__CINT__) \|\| defined(__MAKECINT__)
	12	#include "AliESDEvent.h"
	13	#include "AliESD.h"
	14	#include "AliESDfriend.h"
	15	#include <TFile.h>
	16	#include <TTree.h>
	17	#include <TSystem.h>
	18	#include "./AliFlatESDEvent.h"
	19	#include "./AliFlatESDTrack.h"
	20	#include "./AliFlatTPCCluster.h"
	21	#include "./AliFlatExternalTrackParam.h"
	22	#include "Riostream.h"
	23	#endif
	24
6eb01754	25	void ReadFlatESD(const char* filename="outFlatESD.dat", Bool_t verbose=kFALSE) {
251a2c81	26
	27	ifstream is(filename, std::ifstream::binary \| std::ifstream::in);
	28	if (is){
6eb01754	29	std::cout << "ifstream available"<<endl;
251a2c81	30	is.seekg (0, is.end);
	31	int length = is.tellg();
	32	is.seekg (0, is.beg);
d3b8c07f	33	std::cout << "length "<<length<<endl;
251a2c81	34	char * buffer = new char [length];
	35
	36	std::cout << "Reading " << length << " characters... ";
	37
	38	is.read (buffer,length);
	39	if (is)
	40	std::cout << "all characters read successfully." << endl;
	41	else
	42	std::cout << "error: only " << is.gcount() << " could be read";
	43	is.close();
	44
	45	// ...buffer contains the entire file...
	46
	47	char *curr = buffer;
	48	char *endBuff = buffer+length;
	49	int iEvent = 0;
d3b8c07f	50
251a2c81	51	while( curr < endBuff ){
d3b8c07f	52	cout<<endl<<"Reading event "<<iEvent<<":"<<endl;
d3b8c07f	53	Printf("curr: %p \t endBuff: %p \t diff %p ", curr, endBuff, endBuff-curr);
251a2c81	54	AliFlatESDEvent flatEsd = reinterpret_cast<AliFlatESDEvent >(curr);
9e363878	55	new (flatEsd) AliFlatESDEvent(1);
9e363878	56
d3b8c07f	57
d3b8c07f	58	cout<<"vtx SPD: "<<(Bool_t) flatEsd->GetPrimaryVertexSPD()
251a2c81	59	<<" vtx tracks: "<<(Bool_t) flatEsd->GetPrimaryVertexTracks()
	60	<<" ntracks: "<<flatEsd->GetNumberOfTracks()
	61	<<" nV0's: "<<flatEsd->GetNumberOfV0s()
	62	<<endl;
6eb01754	63
	64
	65
	66
	67	// compare tracks
	68	if(verbose){
	69	static const int nExt = 4;
	70	AliFlatESDTrack *track = flatEsd->GetTracks();
d3b8c07f	71	new (track)AliFlatESDTrack(1);
6eb01754	72	for (Int_t idxTrack = 0; idxTrack < flatEsd->GetNumberOfTracks() && track; ++idxTrack) {
	73
	74	AliFlatExternalTrackParam* ext[nExt] ={
	75
	76	track->GetTrackParamRefitted(),
	77	track->GetTrackParamIp(),
	78	track->GetTrackParamTPCInner(),
	79	track->GetTrackParamOp(),
	80
	81	};
	82
	83	//Printf(" TEST: FlatTrack1 %d > FlatExternalTrackParam1 > %p %p %p %p", idxTrack, exp11, exp21, exp31, exp41);
	84	//Printf(" TEST: FlatTrack2 %d > FlatExternalTrackParam2 > %p %p %p %p", idxTrack, exp12, exp22, exp32, exp42);
	85
	86
	87	for(int iExt=0; iExt<nExt; ++iExt){
	88	cout<<endl<<iExt<<endl;
	89	if(!ext[iExt]){
	90	// cout<<"DIFFERENCE!: ";
	91	cout<<" ext"<<iExt<<" not set"<<endl;
	92	}
	93
	94
	95	cout<<" alpha"<<iExt<<" :" << (ext[iExt] ? ext[iExt]->GetAlpha() : -9999) <<endl;
6eb01754	96	cout<<" GetX"<<iExt<<" :" << (ext[iExt] ? ext[iExt]->GetX(): -9999) <<endl;
6eb01754	97	cout<<" 1/pt"<<iExt<<" :" << (ext[iExt] ? ext[iExt]->GetSigned1Pt(): -9999) <<endl;
	98
	99
	100	}
	101
	102	cout<<" nTPCclusters: "<<track->GetNumberOfTPCClusters()<< endl;
d3b8c07f	103	cout<<" nITSclusters: "<<track->GetNumberOfITSClusters()<< endl;
6eb01754	104
d3b8c07f	105	// read clusters
6eb01754	106
d3b8c07f	107	Int_t nCl = track->GetNumberOfTPCClusters();
	108	if(nCl && verbose > 1){
	109
	110	for (Int_t idxRow = 0; idxRow < nCl; idxRow++){
	111	cout<<"rowNr "<< idxRow<<endl;
	112
	113	AliFlatTPCCluster * cl = track->GetTPCCluster(idxRow);
	114
	115	cout<<" idx fX fY fZ fSigmaY2 fSigmaZ2 fCharge fQMax fPadRow" <<endl;
	116	if(cl) cout<< idxRow <<" "<< cl->GetX()<<" "<< cl->GetY()<<" "<< cl->GetZ()<<" "<< cl->GetSigmaY2()<<" "<< cl->GetSigmaZ2()<<" "<< cl->GetCharge()<<" "<< cl->GetQMax() <<" "<< cl->GetPadRow()<<endl;
	117	else cout <<"----------------------------------------------------"<<endl;
	118	}
	119	}
6eb01754	120
d3b8c07f	121	cout<<"get next track"<<endl;
6eb01754	122	track = track->GetNextTrack();
d3b8c07f	123	new (track)AliFlatESDTrack(1);
6eb01754	124
	125
	126	}
	127	}
	128
d3b8c07f	129	Printf("curr: %p \t + %d = %p , diff:%p", curr, flatEsd->GetSize() ,curr+ flatEsd->GetSize(), endBuff-(curr+ flatEsd->GetSize()) );
251a2c81	130	curr=curr+ flatEsd->GetSize();
	131	iEvent++;
	132	}
	133
6eb01754	134
251a2c81	135	delete[] buffer;
	136	}
	137	else {
d5b8cffe	138	cout << "File "<<filename<<" could not be read" << endl;
251a2c81	139	}
	140	return;
	141	}