AliMFTSupport class deleted

diff --git a/MFT/AliMFTSupport.cxx b/MFT/AliMFTSupport.cxx
deleted file mode 100644 (file)
index d280020..0000000
--- a/MFT/AliMFTSupport.cxx
+++ /dev/null
@@ -1,190 +0,0 @@
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Author: The ALICE Off-line Project.                                    *
- * Contributors are mentioned in the code where appropriate.              *
- *                                                                        *
- * Permission to use, copy, modify and distribute this software and its   *
- * documentation strictly for non-commercial purposes is hereby granted   *
- * without fee, provided that the above copyright notice appears in all   *
- * copies and that both the copyright notice and this permission notice   *
- * appear in the supporting documentation. The authors make no claims     *
- * about the suitability of this software for any purpose. It is          *
- * provided "as is" without express or implied warranty.                  *
- **************************************************************************/
-
-//====================================================================================================================================================
-//
-//      Support class for various common operation on MFT objects
-//
-//      Contact author: antonio.uras@cern.ch
-//
-//====================================================================================================================================================
-
-#include "AliMUONTrackParam.h"
-#include "AliMUONTrackExtrap.h"
-#include "AliAODTrack.h"
-#include "AliAODDimuon.h"
-#include "TLorentzVector.h"
-#include "AliMFTConstants.h"
-#include "TDatabasePDG.h"
-#include "TMath.h"
-#include "AliLog.h"
-
-#include "AliMFTSupport.h"
-
-ClassImp(AliMFTSupport)
-
-//====================================================================================================================================================
-
-Bool_t AliMFTSupport::ExtrapAODMuonToZ(AliAODTrack *muon, Double_t z, Double_t xy[2]) {
-
-  if (!(muon->Pz()!=0)) return kFALSE;
-
-  AliMUONTrackParam *param = new AliMUONTrackParam();
-
-  param -> SetNonBendingCoor(muon->XAtDCA());
-  param -> SetBendingCoor(muon->YAtDCA());
-  param -> SetZ(AliMFTConstants::fZEvalKinem);
-  param -> SetNonBendingSlope(muon->Px()/muon->Pz());
-  param -> SetBendingSlope(muon->Py()/muon->Pz());
-  param -> SetInverseBendingMomentum( muon->Charge() * (1./muon->Pz()) / (TMath::Sqrt(1+TMath::Power(muon->Py()/muon->Pz(),2))) );
-
-  AliMUONTrackExtrap::ExtrapToZ(param, z);
-  xy[0] = param->GetNonBendingCoor();
-  xy[1] = param->GetBendingCoor();
-
-  return kTRUE;
-
-}
-
-//====================================================================================================================================================
-
-Bool_t AliMFTSupport::RefitAODDimuonWithCommonVertex(AliAODDimuon *dimuon, Double_t *vertex, TLorentzVector &kinem) {
-
-  Double_t fXPointOfClosestApproach=0, fYPointOfClosestApproach=0, fZPointOfClosestApproach=0;
-
-  AliAODTrack *muon0 = dimuon->GetMu(0);
-  AliAODTrack *muon1 = dimuon->GetMu(1);
-
-  if (!(muon0->Pz()!=0 && muon1->Pz()!=0)) return kFALSE;
-
-  AliMUONTrackParam *param0 = new AliMUONTrackParam();
-  AliMUONTrackParam *param1 = new AliMUONTrackParam();
-
-  param0 -> SetNonBendingCoor(muon0->XAtDCA());
-  param1 -> SetNonBendingCoor(muon1->XAtDCA());
-
-  param0 -> SetBendingCoor(muon0->YAtDCA());
-  param1 -> SetBendingCoor(muon1->YAtDCA());
-
-  param0 -> SetZ(AliMFTConstants::fZEvalKinem);
-  param1 -> SetZ(AliMFTConstants::fZEvalKinem);
- 
-  param0 -> SetNonBendingSlope(muon0->Px()/muon0->Pz());
-  param1 -> SetNonBendingSlope(muon1->Px()/muon1->Pz());
-
-  param0 -> SetBendingSlope(muon0->Py()/muon0->Pz());
-  param1 -> SetBendingSlope(muon1->Py()/muon1->Pz());
-
-  param0 -> SetInverseBendingMomentum( muon0->Charge() * (1./muon0->Pz()) / (TMath::Sqrt(1+TMath::Power(muon0->Py()/muon0->Pz(),2))) );
-  param1 -> SetInverseBendingMomentum( muon1->Charge() * (1./muon1->Pz()) / (TMath::Sqrt(1+TMath::Power(muon1->Py()/muon1->Pz(),2))) );
-
-  // here we understand in which direction we have to search the minimum...
-
-  Double_t step = 1.;  // in cm
-  Double_t startPoint = 0.;
-
-  Double_t r[3]={0}, z[3]={startPoint, startPoint+step, startPoint+2*step};
-  
-  for (Int_t i=0; i<3; i++) {
-    AliMUONTrackExtrap::ExtrapToZ(param0, z[i]);
-    AliMUONTrackExtrap::ExtrapToZ(param1, z[i]);
-    Double_t dX = param0->GetNonBendingCoor() - param1->GetNonBendingCoor();
-    Double_t dY = param0->GetBendingCoor()    - param1->GetBendingCoor();
-    r[i] = TMath::Sqrt(dX*dX + dY*dY);
-  }
-  
-  Double_t researchDirection=0.;
-  
-  if      (r[0]>r[1] && r[1]>r[2]) researchDirection = +1.;   // towards z positive
-  else if (r[0]<r[1] && r[1]<r[2]) researchDirection = -1.;   // towards z negative
-  else if (r[0]<r[1] && r[1]>r[2]) { 
-    printf("E-AliMFTSupport::RefitAODDimuonWithCommonVertex: Point of closest approach cannot be found for dimuon (no minima)\n");
-    return kFALSE;
-  }
-  
-  while (TMath::Abs(researchDirection)>0.5) {
-    if (researchDirection>0.) {
-      z[0] = z[1];
-      z[1] = z[2];
-      z[2] = z[1]+researchDirection*step;
-    }
-    else {
-      z[2] = z[1];
-      z[1] = z[0];
-      z[0] = z[1]+researchDirection*step;
-    }
-    if (TMath::Abs(z[0])>900.) {
-      printf("E-AliMFTSupport::RefitAODDimuonWithCommonVertex: Point of closest approach cannot be found for dimuon (no minima)\n");
-      return kFALSE;
-    }
-    for (Int_t i=0; i<3; i++) {
-      AliMUONTrackExtrap::ExtrapToZ(param0, z[i]);
-      AliMUONTrackExtrap::ExtrapToZ(param1, z[i]);
-      Double_t dX = param0->GetNonBendingCoor() - param1->GetNonBendingCoor();
-      Double_t dY = param0->GetBendingCoor()    - param1->GetBendingCoor();
-      r[i] = TMath::Sqrt(dX*dX + dY*dY);
-    }
-    researchDirection=0.;
-    if      (r[0]>r[1] && r[1]>r[2]) researchDirection = +1.;   // towards z positive
-    else if (r[0]<r[1] && r[1]<r[2]) researchDirection = -1.;   // towards z negative
-  }
-
-  // now we now that the minimum is between z[0] and z[2] and we search it
-    
-  step *= 0.5;
-  while (step>AliMFTConstants::fPrecisionPointOfClosestApproach) {
-    z[0] = z[1]-step;
-    z[2] = z[1]+step;
-    for (Int_t i=0; i<3; i++) {
-      AliMUONTrackExtrap::ExtrapToZ(param0, z[i]);
-      AliMUONTrackExtrap::ExtrapToZ(param1, z[i]);
-      Double_t dX = param0->GetNonBendingCoor() - param1->GetNonBendingCoor();
-      Double_t dY = param0->GetBendingCoor()    - param1->GetBendingCoor();
-      r[i] = TMath::Sqrt(dX*dX + dY*dY);
-    }
-    if      (r[0]<r[1]) z[1] = z[0];
-    else if (r[2]<r[1]) z[1] = z[2];
-    else step *= 0.5;
-  }
-  
-  fZPointOfClosestApproach = z[1];
-  AliMUONTrackExtrap::ExtrapToZ(param0, fZPointOfClosestApproach);
-  AliMUONTrackExtrap::ExtrapToZ(param1, fZPointOfClosestApproach);  
-  fXPointOfClosestApproach = 0.5*(param0->GetNonBendingCoor() + param1->GetNonBendingCoor());
-  fYPointOfClosestApproach = 0.5*(param0->GetBendingCoor()    + param1->GetBendingCoor());
-  
-  //-------------------------------------------------------------------------------------------------------------------------------------------------
-
-  vertex[0] = fXPointOfClosestApproach;
-  vertex[1] = fYPointOfClosestApproach;
-  vertex[2] = fZPointOfClosestApproach;
-
-  Double_t pTot[3] = {0};
-  pTot[0] = param0->Px() + param1->Px();
-  pTot[1] = param0->Py() + param1->Py();
-  pTot[2] = param0->Pz() + param1->Pz();
-
-  Double_t massMu = TDatabasePDG::Instance()->GetParticle("mu-")->Mass();
-
-  Double_t energy0 = TMath::Sqrt(massMu*massMu + param0->Px()*param0->Px() + param0->Py()*param0->Py() + param0->Pz()*param0->Pz());
-  Double_t energy1 = TMath::Sqrt(massMu*massMu + param1->Px()*param1->Px() + param1->Py()*param1->Py() + param1->Pz()*param1->Pz());
-
-  kinem.SetPxPyPzE(pTot[0], pTot[1], pTot[2], energy0+energy1);
-
-  return kTRUE;
-
-}
-
-//====================================================================================================================================================

diff --git a/MFT/AliMFTSupport.h b/MFT/AliMFTSupport.h
deleted file mode 100644 (file)
index 980fa2c..0000000
--- a/MFT/AliMFTSupport.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#ifndef AliMFTSupport_H
-#define AliMFTSupport_H
-
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice                               */
-
-//====================================================================================================================================================
-//
-//      Support class for various common operation on MFT objects
-//
-//      Contact author: antonio.uras@cern.ch
-//
-//====================================================================================================================================================
-
-#include "TObject.h"
-#include "AliAODTrack.h"
-#include "AliAODDimuon.h"
-#include "TLorentzVector.h"
-#include "AliMFTConstants.h"
-#include "TDatabasePDG.h"
-#include "TMath.h"
-#include "AliLog.h"
-
-//====================================================================================================================================================
-
-class AliMFTSupport : public TObject {
-
-public:
-
-  AliMFTSupport() : TObject() {;}
-  virtual ~AliMFTSupport() {;}
-  
-  static Bool_t ExtrapAODMuonToZ(AliAODTrack *muon, Double_t z, Double_t xy[2]);
-  static Bool_t RefitAODDimuonWithCommonVertex(AliAODDimuon *dimuon, Double_t *vertex, TLorentzVector &kinem);
-
-  static Bool_t PlaneExists(AliAODTrack *muon, Int_t iPlane) { return muon->GetMFTClusterPattern() & (1<<iPlane); }
-
-  static Bool_t IsWrongCluster(AliAODTrack *muon, Int_t iPlane) { 
-    if (!PlaneExists(muon, iPlane)) return kFALSE;
-    else return !(muon->GetMFTClusterPattern() & (1<<(iPlane+AliMFTConstants::fNMaxPlanes)));
-  }
-
-  ClassDef(AliMFTSupport,1)
-    
-};
-
-//====================================================================================================================================================
-
-#endif