#ifndef ALIITSMEANVERTEXER_H
#define ALIITSMEANVERTEXER_H
-#include <TString.h>
-
///////////////////////////////////////////////////////////////////////
// //
// Class to compute vertex position using SPD local reconstruction //
/* $Id$ */
-class TObject;
+#include <TObject.h>
+#include <TBits.h>
+
+class TClonesArray;
+class TH1F;
+class TH2F;
class AliRawReader;
-class AliRunLoader;
-class AliMultiplicity;
class AliESDVertex;
+class AliITSDetTypeRec;
+class AliITSVertexer;
class AliITSMeanVertexer : public TObject {
public:
- // default constructor
- AliITSMeanVertexer();
- // standard constructor. filename is the name of the file containing
- // raw data either in ROOT or DATE format according to file extension
- AliITSMeanVertexer(TString filename);
- // constructor with explicit assignment of names for geometry and loaders
- AliITSMeanVertexer(TString filename, TString loaderfilename,
- TString geometryfilename);
+ // default constructor
+ AliITSMeanVertexer(Bool_t mode = kTRUE);
virtual ~AliITSMeanVertexer();
- void SetLoaderFileName(TString fn="ITSMeanVertexer.root")
- {fLoaderFileName = fn;}
- void SetGeometryFileName(TString fn="geometry.root")
- {fGeometryFileName = fn;}
- void SetMeanVertexFileName(TString fn) {fMVFileName = fn;}
- void SetFilterOnContributors(Int_t nc=1){fFilterOnContributors = nc;}
- void SetFilterOnTracklets(Int_t nc=1){fFilterOnTracklets = nc;}
- void SetWriteVertices(Bool_t action){fWriteVertices = action;}
- Bool_t GetWriteVertices() const {return fWriteVertices;}
- void Reconstruct();
- void DoVertices();
+
+ Bool_t Init();
+
+ void SetFilterOnContributors(Int_t nc=1){fFilterOnContributors = nc;}
+ Bool_t Reconstruct(AliRawReader *rawReader);
+ void SetCutOnErrX(Double_t cut=3.){fErrXCut = cut;}
+ void SetCutOnR(Double_t cut=0.2){fRCut = cut;}
+ void SetCutOnCls(UInt_t vmin=50, UInt_t vmax=4000){fLowSPD0=vmin; fHighSPD0=vmax;}
+ void WriteVertices(const char *filename);
+ const TH2F*GetVertexXY() const { return fVertexXY; }
+ const TH1F*GetVertexZ() const { return fVertexZ; }
+
+ // Methods used for debug purposes
+ Int_t GetArrayEntries() const {return fVertArray.GetEntries();}
+ const AliESDVertex* GetElementAt(Int_t i) const {return (AliESDVertex*)fVertArray[i];}
+ UInt_t GetSPD0cls(Int_t i) const {return fClu0[i];}
+ Bool_t IsGoodVertex(Int_t i) const {return (fAccEvents.TestBitNumber(i)); }
- protected:
- // copy constructor (NO copy allowed: the constructor is protected
- // to avoid misuse)
+ private:
+ // copy constructor (NO copy allowed)
AliITSMeanVertexer(const AliITSMeanVertexer& vtxr);
// assignment operator (NO assignment allowed)
AliITSMeanVertexer& operator=(const AliITSMeanVertexer& /* vtxr */);
- void Init(TString filename); // initialization invoked by constructors
- Bool_t Filter(AliESDVertex *vert,AliMultiplicity *mult);
- void AddToMean(AliESDVertex *vert);
- Bool_t ComputeMean();
- static const TString fgkMVFileNameDefault; //! default for fMVFileName
- TString fLoaderFileName; //! name of the local file containing loaders
- TString fGeometryFileName; //! name of the file containing the geometry
- TString fMVFileName; //! name of the file containing the mean vertex
- AliRawReader *fRawReader; //! rawreader object
- AliRunLoader *fRunLoader; //! run loader
- Double_t fWeighPos[3]; //! weighted average position
- Double_t fWeighSig[3]; //! errors on weighted average position
- Double_t fAverPos[3]; //! average position
- Double_t fAverPosSq[3][3]; //! average square position for covariance
- Int_t fNoEventsContr; //! number of events used for mean vertex
- Float_t fTotTracklets; //! total number of tracklets used (integrated)
- Float_t fAverTracklets; //! average number of tracklets per event
- Float_t fSigmaOnAverTracks; //! RMS of fAverTracklets
+ Bool_t Filter(AliESDVertex *vert,UInt_t mult);
+ void AddToMean(AliESDVertex *vert);
+ Bool_t ComputeMean(Bool_t killOutliers);
+ void Reset();
+
+ static const Int_t fgkMaxNumOfEvents; // max. number of events
+ AliITSDetTypeRec *fDetTypeRec; //! ITS reco class
+ TH2F *fVertexXY; //! histogram with transverse vertex distribution (vertex diamond)
+ TH1F *fVertexZ; //! histogram with longitudinal vertex distribution
+
+ Double_t fWeighPosSum[3]; //! weighted average position sum (transient)
+ Double_t fWeighSigSum[3]; //! weighted average position sum (transient)
+ Double_t fAverPosSum[3]; //! average position sum (transient)
+ Double_t fAverPosSqSum[3][3];//! average square position sum for covariance (transient)
+ Double_t fWeighPos[3]; //! weighted average position
+ Double_t fWeighSig[3]; //! errors on weighted average position
+ Double_t fAverPos[3]; //! average position
+ Double_t fAverPosSq[3][3]; //! average square position for covariance
+ Int_t fNoEventsContr; //! number of events used for mean vertex
+ Double_t fTotContributors; //! Integrated number of contributors
+ Double_t fAverContributors; //! Average number of contributors
Int_t fFilterOnContributors; //! Numb. of contrib must be > fFilter...
- Int_t fFilterOnTracklets; //! Numb. of tracklets must be > fFilterOnTr...
- Bool_t fWriteVertices; //! if kTRUE all the vertices are saved to a file
+ Bool_t fMode; //! kTRUE for Vertexer3D;
+ //! kFALSE for VertexerTapan
+ AliITSVertexer* fVertexer; //! vertexer
+
+ TBits fAccEvents; //! bit string: 1 for good events 0 for bad ones
+ TClonesArray fVertArray; //! array of vertices to be averaged
+ UInt_t *fClu0; //! number of clusters on SPD inner layer
+ Int_t fIndex; //! current index on the arrays
+ Double_t fErrXCut; //! cut on error on X (error*1000<fErrXCut)
+ Double_t fRCut; //| cut on distance from first estimate (mm)
+ UInt_t fLowSPD0; //! low SPD0 cls value to accept event
+ UInt_t fHighSPD0; //! high SPD0 cls value to accept event
- ClassDef(AliITSMeanVertexer,0);
+ ClassDef(AliITSMeanVertexer,0)
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff