/* $Id$ */
-//-----------------------------------------------------------------------------
-// TPC Tracking Parameterization Class
-//
-// Origin: Andrea Dainese, Padova - e-mail: andrea.dainese@pd.infn.it
-//-----------------------------------------------------------------------------
+/////////////////////////////////////////////////////////////////////////
+//
+// This class builds AliTPCtrack objects from generated tracks to feed
+// ITS tracking (V2). The AliTPCtrack is built from its first hit in
+// the TPC. The track is assigned a Kalman-like covariance matrix
+// depending on its pT and pseudorapidity and track parameters are
+// smeared according to this covariance matrix.
+// Output file contains sorted tracks, ready for matching with ITS.
+//
+// See implementation file for more details.
+//
+//
+// Origin: Andrea Dainese, Padova - e-mail: andrea.dainese@pd.infn.it
+// adapted to ESD output by: Marcello Lunardon, Padova
+/////////////////////////////////////////////////////////////////////////
+
+
+//----- Root headers ---------
+class TTree;
#include <TMatrixD.h>
-#include "alles.h"
-#include "AliGausCorr.h"
-#include "AliMagF.h"
+//---- AliRoot headers -------
+#include "AliConfig.h"
#include "AliTPCkineGrid.h"
#include "AliTPCtrack.h"
+#include "AliESDEvent.h"
+//----------------------------
-class AliTPCtrackerParam {
- /////////////////////////////////////////////////////////////////////////
- //
- // This class builds AliTPCtrack objects from generated tracks to feed
- // ITS tracking (V2). The AliTPCtrack is built from its first hit in
- // the TPC. The track is assigned a Kalman-like covariance matrix
- // depending on its pT and pseudorapidity and track parameters are
- // smeared according to this covariance matrix.
- // Output file contains sorted tracks, ready for matching with ITS.
- //
- // For details:
- // http://www.pd.infn.it/alipd/talks/soft/adIII02/TPCtrackingParam.htm
- //
- // Test macro is: AliBarrelRec_TPCparam.C
- //
- // Origin: Andrea Dainese, Padova - e-mail: andrea.dainese@pd.infn.it
- //
- /////////////////////////////////////////////////////////////////////////
+class AliTPC;
+
+class AliTPCtrackerParam:
+ public TObject
+{
public:
- AliTPCtrackerParam(const Int_t coll=0,const Double_t Bz=0.4);
+
+ AliTPCtrackerParam(Int_t coll=0, Double_t Bz=0.4,
+ const char* evfoldname = AliConfig::GetDefaultEventFolderName());
virtual ~AliTPCtrackerParam();
// this function performs the parameterized tracking
- Int_t BuildTPCtracks(const TFile *inp, TFile *out,Int_t n=1);
-
+ //
+ AliTPCtrackerParam(const AliTPCtrackerParam& p);
+ //
+ Int_t Init();
+ Int_t BuildTPCtracks(AliESDEvent* event);
// these functions are used to create a DB of cov. matrices,
// including regularization, efficiencies and dE/dx
void AllGeantTracks() { fSelAndSmear=kFALSE; return; }
void AnalyzedEdx(const Char_t *outName,Int_t pdg);
void AnalyzePulls(const Char_t *outName);
- void CompareTPCtracks(const Char_t *galiceName="galice.root",
+ void AnalyzeResolutions(Int_t pdg);
+ void CompareTPCtracks(Int_t nEvents=1,
+ const Char_t *galiceName="galice.root",
const Char_t *trkGeaName="AliTPCtracksGeant.root",
const Char_t *trkKalName="AliTPCtracksSorted.root",
const Char_t *covmatName="CovMatrix.root",
- const Char_t *tpceffName="TPCeff.dat") const;
+ const Char_t *tpceffasciiName="TPCeff.dat",
+ const Char_t *tpceffrootName="TPCeff.root");
void DrawEffs(const Char_t *inName,Int_t pdg=211);
void DrawPulls(const Char_t *inName,Int_t pdg=211,Int_t par=0);
void MakeDataBase();
void MergeEvents(Int_t evFirst=1,Int_t evLast=1);
void RegularizeCovMatrix(const Char_t *outName,Int_t pdg);
+
+ //********* Internal class definition *******
class AliTPCtrackParam : public AliTPCtrack {
public:
AliTPCtrackParam():AliTPCtrack(){}
void AssignMass(Double_t mass) {SetMass(mass); return;}
private:
-
};
+ //********* end of internal class ***********
+
+ //********* Internal class definition *******
+ class AliTPCseedGeant : public TObject {
+ public:
+ AliTPCseedGeant():TObject(),
+ fXg(0.),
+ fYg(0.),
+ fZg(0.),
+ fPx(0.),
+ fPy(0.),
+ fPz(0.),
+ fAlpha(0.),
+ fLabel(0),
+ fSector(0){}
+
+ AliTPCseedGeant(Double_t x=0.,Double_t y=0.,Double_t z=0.,
+ Double_t px=0.,Double_t py=0.,Double_t pz=0.,
+ Int_t lab=0);
+ Int_t GetLabel() const { return fLabel; }
+ Double_t GetAlpha() const { return fAlpha; }
+ Double_t GetXG() const { return fXg; }
+ Double_t GetYG() const { return fYg; }
+ Double_t GetZG() const { return fZg; }
+ Double_t GetXL() const
+ { return fXg*TMath::Cos(fAlpha)+fYg*TMath::Sin(fAlpha); }
+ Double_t GetYL() const
+ { return -fXg*TMath::Sin(fAlpha)+fYg*TMath::Cos(fAlpha); }
+ Double_t GetZL() const { return fZg; }
+ Double_t GetPx() const { return fPx; }
+ Double_t GetPy() const { return fPy; }
+ Double_t GetPz() const { return fPz; }
+ Double_t GetPt() const { return TMath::Sqrt(fPx*fPx+fPy*fPy); }
+ Double_t GetEta() const
+ { return -TMath::Log(TMath::Tan(0.25*TMath::Pi()-0.5*TMath::ATan(fPz/GetPt()))); }
+ void SetLabel(Int_t lab) { fLabel=lab; return; }
+ Bool_t InTPCAcceptance() const {
+ if(TMath::Abs(GetZL()+(244.-GetXL())*fPz/GetPt())>252.) return kFALSE;
+ return kTRUE;
+ }
+ private:
+ Double_t fXg; // global x of seed
+ Double_t fYg; // global y of seed
+ Double_t fZg; // global z of seed
+ Double_t fPx; // global px
+ Double_t fPy; // global py
+ Double_t fPz; // global pz
+ Double_t fAlpha; // alpha angle
+ Int_t fLabel; // track label
+ Int_t fSector; // TPC sector
+ };
+ //******* end of internal class ****************
+
private:
+ AliTPCtrackerParam & operator=(const AliTPCtrackerParam & );
+
+ TString fEvFolderName;//! name of data folder
+
Double_t fBz; // value of the z component of L3 field (Tesla)
- Int_t fColl; // collision code (0: PbPb6000)
+ Int_t fColl; // collision code (0: PbPb6000; 1: pp)
Bool_t fSelAndSmear; // if kFALSE returns GEANT tracks
// at TPC first hit
TString fDBfileName; // DataBase file name
TTree *fCovTree; // tree with regularized cov matrices
// for the current track
+ TTree *fCovTreePi[30];
+ TTree *fCovTreeKa[30];
+ TTree *fCovTreePr[30];
+ TTree *fCovTreeEl[30];
+ TTree *fCovTreeMu[30];
AliTPCkineGrid *fDBgrid; // grid for the cov matrix look-up table
AliTPCkineGrid fDBgridPi; // " for pions
AliTPCkineGrid fDBgridKa; // " for kaons
+ AliTPCkineGrid fDBgridPr; // " for protons
AliTPCkineGrid fDBgridEl; // " for electrons
+ AliTPCkineGrid fDBgridMu; // " for muons
AliTPCkineGrid *fEff; // TPC efficiencies for the current track
AliTPCkineGrid fEffPi; // " pions
AliTPCkineGrid *fPulls; // pulls for the current track
AliTPCkineGrid fPullsPi[5]; // " pions
AliTPCkineGrid fPullsKa[5]; // " muons
+ AliTPCkineGrid fPullsPr[5]; // " protons
AliTPCkineGrid fPullsEl[5]; // " electrons
+ AliTPCkineGrid fPullsMu[5]; // " muons
TMatrixD *fRegPar; // regularization parameters for the curr. track
TMatrixD fRegParPi; // " for pions
TMatrixD fRegParKa; // " for kaons
+ TMatrixD fRegParPr; // " for protons
TMatrixD fRegParEl; // " for electrons
+ TMatrixD fRegParMu; // " for muons
AliTPCkineGrid *fdEdxMean; // dEdx mean for the current track
AliTPCkineGrid fdEdxMeanPi; // " pions
AliTPCkineGrid fdEdxMeanKa; // " kaons
AliTPCkineGrid fdEdxMeanPr; // " protons
AliTPCkineGrid fdEdxMeanEl; // " electrons
+ AliTPCkineGrid fdEdxMeanMu; // " muons
AliTPCkineGrid *fdEdxRMS; // dEdx RMS for the current track
AliTPCkineGrid fdEdxRMSPi; // " pions
AliTPCkineGrid fdEdxRMSKa; // " kaons
AliTPCkineGrid fdEdxRMSPr; // " protons
AliTPCkineGrid fdEdxRMSEl; // " electrons
+ AliTPCkineGrid fdEdxRMSMu; // " muons
- void BuildTrack(Double_t alpha,Double_t x,Double_t y,Double_t z,
- Double_t px,Double_t py,Double_t pz,Double_t pt,
- Int_t ch);
+ void BuildTrack(AliTPCseedGeant *s,Int_t ch);
void CookdEdx(Double_t pt,Double_t eta);
void CookTrack(Double_t pt,Double_t eta);
- Int_t GetBin(Double_t pt,Double_t eta) const;
TMatrixD GetSmearingMatrix(Double_t *cc, Double_t pt,Double_t eta) const;
- void InitializeKineGrid(Option_t *which,Option_t *how);
+ void InitializeKineGrid(Option_t *which);
+ void MakeSeedsFromHits(AliTPC *tpc,TTree *th,TObjArray &seedArray) const;
+ void MakeSeedsFromRefs(TTree *ttr,
+ TObjArray &seedArray) const;
Int_t ReadAllData(const Char_t *inName);
Int_t ReadDBgrid(const Char_t *inName);
Int_t ReaddEdx(const Char_t *inName,Int_t pdg);
Int_t ReadEffs(const Char_t *inName);
Int_t ReadPulls(const Char_t *inName);
Int_t ReadRegParams(const Char_t *inName,Int_t pdg);
+ Int_t ReadCovTrees(const Char_t* inName);
Bool_t SelectedTrack(Double_t pt, Double_t eta) const;
void SetParticle(Int_t pdg);
void SmearTrack(Double_t *xx,Double_t *xxsm,TMatrixD cov) const;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff