#include "AliHBTReaderTPC.h"
-
+
#include <TTree.h>
#include <TFile.h>
#include <TParticle.h>
#include <AliRun.h>
+#include <AliLoader.h>
+#include <AliStack.h>
#include <AliMagF.h>
#include <AliTPCtrack.h>
#include <AliTPCParam.h>
+#include <AliTPCtracker.h>
#include "AliHBTRun.h"
#include "AliHBTEvent.h"
// class AliHBTReaderTPC
//
//reader for TPC tracking
-//needs galice.root, AliTPCtracks.root
+//needs galice.root, AliTPCtracks.root, AliTPCclusters.root
//
//more info: http://alisoft.cern.ch/people/skowron/analyzer/index.html
//Piotr.Skowronski@cern.ch
-//
-
+AliHBTReaderTPC::AliHBTReaderTPC():fFileName("galice.root")
+{
+ //constructor,
+ //Defaults:
+ // galicefilename = "" - this means: Do not open gAlice file -
+ // just leave the global pointer untouched
+
+ fParticles = 0x0;
+ fTracks = 0x0;
+ fIsRead = kFALSE;
+}
-AliHBTReaderTPC:: AliHBTReaderTPC(const Char_t* trackfilename,
- const Char_t* clusterfilename,
- const Char_t* galicefilename):
- fParticles(new AliHBTRun()),
- fTracks(new AliHBTRun()),
- fTrackFileName(trackfilename),
- fClusterFileName(clusterfilename),
- fGAliceFileName(galicefilename),
- fIsRead(kFALSE),
- fMagneticField(0.4),
- fUseMagFFromRun(kTRUE)
+AliHBTReaderTPC::AliHBTReaderTPC(const Char_t* galicefilename):fFileName(galicefilename)
{
//constructor,
//Defaults:
- // trackfilename = "AliTPCtracks.root"
- // clusterfilename = "AliTPCclusters.root"
// galicefilename = "" - this means: Do not open gAlice file -
- // just leave the global pointer untached
- //this class is not supposed to be written, that is why I let myself and user
- //for comfort of having default constructor which allocates dynamic memmory
- //in case it is going to be written, it should be changed
+ // just leave the global pointer untouched
+ fParticles = new AliHBTRun();
+ fTracks = new AliHBTRun();
+ fIsRead = kFALSE;
}
/********************************************************************/
-AliHBTReaderTPC::AliHBTReaderTPC(TObjArray* dirs,
- const Char_t* trackfilename, const Char_t* clusterfilename,
- const Char_t* galicefilename):
- AliHBTReader(dirs),
- fParticles(new AliHBTRun()),
- fTracks(new AliHBTRun()),
- fTrackFileName(trackfilename),
- fClusterFileName(clusterfilename),
- fGAliceFileName(galicefilename),
- fIsRead(kFALSE),
- fMagneticField(0.4),
- fUseMagFFromRun(kTRUE)
+AliHBTReaderTPC::AliHBTReaderTPC(TObjArray* dirs, const Char_t* galicefilename):
+ AliHBTReader(dirs), fFileName(galicefilename)
+
{
//constructor,
//Defaults:
- // trackfilename = "AliTPCtracks.root"
- // clusterfilename = "AliTPCclusters.root"
// galicefilename = "" - this means: Do not open gAlice file -
// just leave the global pointer untached
+
+ fParticles = new AliHBTRun();
+ fTracks = new AliHBTRun();
+ fIsRead = kFALSE;
}
/********************************************************************/
AliHBTEvent* AliHBTReaderTPC::GetParticleEvent(Int_t n)
{
//returns Nth event with simulated particles
- if (!fIsRead)
- if(Read(fParticles,fTracks))
- {
- Error("GetParticleEvent","Error in reading");
- return 0x0;
- }
- return fParticles->GetEvent(n);
+ if (!fIsRead)
+ {
+ if (fParticles == 0x0) fParticles = new AliHBTRun();
+ if (fTracks == 0x0) fTracks = new AliHBTRun();
+
+ if(Read(fParticles,fTracks))
+ {
+ Error("GetParticleEvent","Error in reading");
+ return 0x0;
+ }
+ }
+ return (fParticles)?fParticles->GetEvent(n):0x0;
}
/********************************************************************/
{
//returns Nth event with reconstructed tracks
if (!fIsRead)
- if(Read(fParticles,fTracks))
- {
- Error("GetTrackEvent","Error in reading");
- return 0x0;
- }
- return fTracks->GetEvent(n);
+ {
+ if (fParticles == 0x0) fParticles = new AliHBTRun();
+ if (fTracks == 0x0) fTracks = new AliHBTRun();
+ if(Read(fParticles,fTracks))
+ {
+ Error("GetTrackEvent","Error in reading");
+ return 0x0;
+ }
+ }
+ return (fTracks)?fTracks->GetEvent(n):0x0;
}
/********************************************************************/
{
//returns number of events of particles
if (!fIsRead)
- if ( Read(fParticles,fTracks))
- {
- Error("GetNumberOfPartEvents","Error in reading");
- return 0;
- }
- return fParticles->GetNumberOfEvents();
+ {
+ if (fParticles == 0x0) fParticles = new AliHBTRun();
+ if (fTracks == 0x0) fTracks = new AliHBTRun();
+ if ( Read(fParticles,fTracks))
+ {
+ Error("GetNumberOfPartEvents","Error in reading");
+ return 0;
+ }
+ }
+ return (fParticles)?fParticles->GetNumberOfEvents():0;
}
/********************************************************************/
{
//returns number of events of tracks
if (!fIsRead)
+ {
+ if (fParticles == 0x0) fParticles = new AliHBTRun();
+ if (fTracks == 0x0) fTracks = new AliHBTRun();
if(Read(fParticles,fTracks))
{
Error("GetNumberOfTrackEvents","Error in reading");
return 0;
}
- return fTracks->GetNumberOfEvents();
+ }
+ return (fTracks)?fTracks->GetNumberOfEvents():0;
}
/********************************************************************/
//reurns 0 if everything is OK
//
Info("Read","");
- Int_t i; //iterator and some temprary values
Int_t Nevents = 0;
Int_t totalNevents = 0;
- TFile *aTracksFile;//file with tracks
- TFile *aClustersFile;//file with clusters
- TFile *aGAliceFile;//!ile name with galice
if (!particles) //check if an object is instatiated
{
do //do{}while; is OK even if 0 dirs specified. In that case we try to read from "./"
{
-
- if( (i=OpenFiles(aTracksFile,aClustersFile,aGAliceFile,currentdir)) )
+ TString filename = GetDirName(currentdir);
+ if (filename.IsNull())
{
- Error("Read","Exiting due to problems with opening files. Errorcode %d",i);
+ Error("Read","Can not get directory name");
+ return 4;
+ }
+ filename = filename +"/"+ fFileName;
+ AliRunLoader* rl = AliRunLoader::Open(filename,AliConfig::fgkDefaultEventFolderName);
+ if( rl == 0x0)
+ {
+ Error("Read","Can not open session.");
currentdir++;
continue;
}
-
- if (gAlice->TreeE())//check if tree E exists
+ rl->LoadHeader();
+ rl->LoadKinematics();
+ AliLoader* tpcl = rl->GetLoader("TPCLoader");
+
+ if ( tpcl== 0x0)
+ {
+ Error("Read","Exiting due to problems with opening files.");
+ currentdir++;
+ continue;
+ }
+ Nevents = rl->GetNumberOfEvents();
+
+ if (Nevents > 0)//check if tree E exists
{
- Nevents = (Int_t)gAlice->TreeE()->GetEntries();//if yes get number of events in gAlice
Info("Read","________________________________________________________");
Info("Read","Found %d event(s) in directory %s",Nevents,GetDirName(currentdir).Data());
- Float_t mf;
- if (fUseMagFFromRun)
- {
- mf = gAlice->Field()->SolenoidField();
- Info("Read","Setting Magnetic Field from run: B=%fT",mf/10.);
- }
- else
- {
- Info("Read","Setting Own Magnetic Field: B=%fT",fMagneticField);
- mf = fMagneticField*10.;
- }
- AliKalmanTrack::SetConvConst(1000/0.299792458/mf);
+ rl->LoadgAlice();
+ Info("Read","Setting Magnetic Field: B=%fT",rl->GetAliRun()->Field()->SolenoidField());
+ AliKalmanTrack::SetConvConst(1000/0.299792458/rl->GetAliRun()->Field()->SolenoidField());
+ rl->UnloadgAlice();
}
else
{//if not return an error
currentdir++;
continue;
}
-
- aGAliceFile->cd();//set cluster file active
- AliTPCParam *TPCParam= (AliTPCParam*)aGAliceFile->Get("75x40_100x60_150x60");
- if (!TPCParam)
+
+ rl->CdGAFile();
+ AliTPCParam *TPCParam= (AliTPCParam*)gDirectory->Get("75x40_100x60");
+
+ if (!TPCParam)
+ {
+ TPCParam=(AliTPCParam *)gDirectory->Get("75x40_100x60_150x60");
+ if (!TPCParam)
{
- TPCParam= (AliTPCParam*)aGAliceFile->Get("75x40_100x60");
- if (!TPCParam)
- {
- Error("Read","TPC parameters have not been found !\n");
- currentdir++;
- continue;
- }
+ Error("Read","TPC parameters have not been found !\n");
+ delete rl;
+ rl = 0x0;
+ currentdir++;
+ continue;
}
+ }
+ tpcl->LoadTracks();
for(Int_t currentEvent =0; currentEvent<Nevents;currentEvent++)//loop over all events
{
/**************************************/
/**************************************/
/**************************************/
-
- aTracksFile->cd();//set track file active
-
- Char_t treename[100];
- sprintf(treename,"TreeT_TPC_%d",currentEvent);//prepare name of the tree
-
- TTree *tracktree=0;
-
- tracktree=(TTree*)aTracksFile->Get(treename);//get the tree
+ rl->GetEvent(currentEvent);
+ TTree *tracktree = tpcl->TreeT();//get the tree
if (!tracktree) //check if we got the tree
{//if not return with error
Error("Read","Can't get a tree with TPC tracks !\n");
AliTPCtrack *iotrack=0;
-// aClustersFile->cd();//set cluster file active
+ AliTPCtracker *tracker = new AliTPCtracker(TPCParam,currentEvent,AliConfig::fgkDefaultEventFolderName);//create the tacker for this event
+ if (!tracker) //check if it has created succeffuly
+ {//if not return with error
+ Error("Read","Can't get a tracker !\n");
+ continue;
+ }
+ tracker->LoadInnerSectors();
+ tracker->LoadOuterSectors();
- for (i=0; i<NTPCtracks; i++) //loop over all tpc tracks
+ for (Int_t i=0; i<NTPCtracks; i++) //loop over all tpc tracks
{
iotrack=new AliTPCtrack; //create new tracks
trackbranch->SetAddress(&iotrack); //tell the branch ehere to put track data from tree(file)
tracktree->GetEvent(i); //stream track i to the iotrack
+ tracker->CookLabel(iotrack,0.1); //calculate (cook) the label of the tpc track
+ //which is the label of corresponding simulated particle
tarray->AddLast(iotrack); //put the track in the array
}
- aTracksFile->Delete(treename);//delete tree from memmory (and leave untached on disk)- we do not need it any more
- aTracksFile->Delete("tracks");//delete branch from memmory
+ delete tracker; //delete tracker
+ tracker = 0x0;
trackbranch = 0x0;
tracktree = 0x0;
Double_t par[5];
Float_t phi, lam, pt;//angles and transverse momentum
Int_t label; //label of the current track
-
- aGAliceFile->cd();
- gAlice->GetEvent(currentEvent);
- gAlice->Particles();
+ rl->Stack()->Particles();
- for (i=0; i<NTPCtracks; i++) //loop over all good tracks
+ for (Int_t i=0; i<NTPCtracks; i++) //loop over all good tracks
{
iotrack = (AliTPCtrack*)tarray->At(i);
label = iotrack->GetLabel();
-
+
if (label < 0) continue;
-
- TParticle *p = (TParticle*)gAlice->Particle(label);
-
+ TParticle *p = (TParticle*)rl->Stack()->Particle(label);
+
if(p == 0x0) continue; //if returned pointer is NULL
if(p->GetPDG() == 0x0) continue; //if particle has crezy PDG code (not known to our database)
-
+
if(Pass(p->GetPdgCode())) continue; //check if we are intersted with particles of this type
//if not take next partilce
+
AliHBTParticle* part = new AliHBTParticle(*p,i);
if(Pass(part)) { delete part; continue;}//check if meets all criteria of any of our cuts
//if it does not delete it and take next good track
Double_t mass = p->GetMass();
Double_t tEtot = TMath::Sqrt( tpx*tpx + tpy*tpy + tpz*tpz + mass*mass);//total energy of the track
- AliHBTParticle* track = new AliHBTParticle(p->GetPdgCode(), i, tpx, tpy , tpz, tEtot, 0., 0., 0., 0.);
+ AliHBTParticle* track = new AliHBTParticle(p->GetPdgCode(),i, tpx, tpy , tpz, tEtot, 0., 0., 0., 0.);
if(Pass(track))//check if meets all criteria of any of our cuts
//if it does not delete it and take next good track
{
}
particles->AddParticle(totalNevents,part);//put track and particle on the run
tracks->AddParticle(totalNevents,track);
+
}
tarray->Clear(); //clear the array
/**************************************/
totalNevents++;
}
+
//save environment (resouces) --
//clean your place after the work
- CloseFiles(aTracksFile,aClustersFile,aGAliceFile);
+ delete rl;
currentdir++;
}while(currentdir < Ndirs);
-
delete tarray;
fIsRead = kTRUE;
+
return 0;
}
-/********************************************************************/
-Int_t AliHBTReaderTPC::OpenFiles
-(TFile*& aTracksFile, TFile*& aClustersFile, TFile*& agAliceFile,Int_t event)
-{
- //opens all the files
-
-
- const TString& dirname = GetDirName(event);
- if (dirname == "")
- {
- Error("OpenFiles","Can not get directory name");
- return 4;
- }
-
- TString filename = dirname +"/"+ fTrackFileName;
- aTracksFile = TFile::Open(filename.Data());
- if ( aTracksFile == 0x0 )
- {
- Error("OpenFiles","Can't open file with tacks named %s",filename.Data());
- return 1;
- }
- if (!aTracksFile->IsOpen())
- {
- Error("OpenFiles","Can't open file with tacks named %s",filename.Data());
- return 1;
- }
-
-/*
- filename = dirname +"/"+ fClusterFileName;
- aClustersFile = TFile::Open(filename.Data());
- if ( aClustersFile == 0x0 )
- {
- Error("OpenFiles","Can't open file with TPC clusters named %s",filename.Data());
- return 2;
- }
- if (!aClustersFile->IsOpen())
- {
- Error("OpenFiles","Can't open file with TPC clusters named %s",filename.Data());
- return 2;
- }
-*/
- filename = dirname +"/"+ fGAliceFileName;
- agAliceFile = TFile::Open(filename.Data());
- if ( agAliceFile== 0x0)
- {
- Error("OpenFiles","Can't open file with TPC clusters named %s",filename.Data());
- return 3;
- }
- if (!agAliceFile->IsOpen())
- {
- Error("OpenFiles","Can't open file with TPC clusters named %s",filename.Data());
- return 3;
- }
-
- if (!(gAlice=(AliRun*)agAliceFile->Get("gAlice")))
- {
- Error("OpenFiles","gAlice have not been found on %s !\n",filename.Data());
- return 5;
- }
-
- return 0;
-}
-/********************************************************************/
-
-/********************************************************************/
-
-void AliHBTReaderTPC::CloseFiles(TFile*& tracksFile, TFile*& clustersFile, TFile*& gAliceFile)
-{
- //closes the files
- tracksFile->Close();
- delete tracksFile;
- tracksFile = 0x0;
-
-// clustersFile->Close();
-// delete clustersFile;
-// clustersFile = 0x0;
-
- delete gAlice;
- gAlice = 0;
-
- if (gAliceFile)
- {
- gAliceFile->Close();
- delete gAliceFile;
- gAliceFile = 0x0;
- }
-}
-
-/********************************************************************/
/********************************************************************/
/********************************************************************/
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff