[u/mrichter/AliRoot.git] / TPC / AliTPCcalibCalib.cxx

/**************************************************************************
 * 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.                  *
 **************************************************************************/


///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//   Component for redoing the reconstruction from the clusters and tracks
//      
//   The new calibration data used 
//
//   In reality it overwrites the content of the ESD 
//    

/*

  gSystem->Load("libANALYSIS");
  gSystem->Load("libTPCcalib");
  //
  gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
  gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
  AliXRDPROOFtoolkit tool; 
  TChain * chainCl = tool.MakeChain("calib.txt","Clusters",0,1);
  chainCl->Lookup();
  TChain * chainTr = tool.MakeChain("calib.txt","Tracks",0,1);
  chainTr->Lookup();


*/


//  marian.ivanov@cern.ch
// 
#include "AliTPCcalibCalib.h"
#include "TSystem.h"
#include "TFile.h"
#include "TTreeStream.h"
#include "AliLog.h"
#include "TTimeStamp.h"
#include "AliESDEvent.h"
#include "AliESDfriend.h"
#include "AliESDtrack.h"
#include "AliTracker.h"
#include "AliTPCClusterParam.h"
#include "AliTPCParam.h"

#include "AliTPCcalibDB.h"
#include "AliTPCTransform.h"
#include "AliTPCRecoParam.h"
#include "AliTPCclusterMI.h"
#include "AliTPCseed.h"
#include "AliTPCPointCorrection.h"
#include <TGeoManager.h>
#include <TGeoPhysicalNode.h>

ClassImp(AliTPCcalibCalib)

AliTPCcalibCalib::AliTPCcalibCalib():
AliTPCcalibBase(),
  fApplyExBCorrection(1),      // apply ExB correction
  fApplyTOFCorrection(1),      // apply TOF correction
  fApplyPositionCorrection(1), // apply position correction
  fApplySectorAlignment(1),    // apply sector alignment
  fApplyRPhiCorrection(1),     // apply R-Phi correction
  fApplyRCorrection(1)         // apply Radial correction

{
  //
  // Constructor
  //
}


AliTPCcalibCalib::AliTPCcalibCalib(const Text_t *name, const Text_t *title) 
  :AliTPCcalibBase(),
  fApplyExBCorrection(1),      // apply ExB correction
  fApplyTOFCorrection(1),      // apply TOF correction
  fApplyPositionCorrection(1), // apply position correction
  fApplySectorAlignment(1),    // apply sector alignment
  fApplyRPhiCorrection(1),     // apply R-Phi correction
  fApplyRCorrection(1)         // apply Radial correction
{  
  SetName(name);
  SetTitle(title);
}


AliTPCcalibCalib::AliTPCcalibCalib(const AliTPCcalibCalib&calib):
  AliTPCcalibBase(calib),
  fApplyExBCorrection(calib.GetApplyExBCorrection()),
  fApplyTOFCorrection(calib.GetApplyTOFCorrection()),
  fApplyPositionCorrection(calib.GetApplyPositionCorrection()),
  fApplySectorAlignment(calib.GetApplySectorAlignment()),
  fApplyRPhiCorrection(calib.GetApplyRPhiCorrection()),
  fApplyRCorrection(calib.GetApplyRCorrection())

{
  //
  // copy constructor
  //
}

AliTPCcalibCalib &AliTPCcalibCalib::operator=(const AliTPCcalibCalib&calib){
  //
  //
  //
  ((AliTPCcalibBase *)this)->operator=(calib);
  return *this;
}


AliTPCcalibCalib::~AliTPCcalibCalib() {
  //
  // destructor
  //
}


void     AliTPCcalibCalib::Process(AliESDEvent *event){
  //
  // 
  //
  if (!event) {
    return;
  }  
  AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
  if (!ESDfriend) {
   return;
  }
  
  if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
  Int_t ntracks=event->GetNumberOfTracks();   
  //AliTPCcalibDB::Instance()->SetExBField(fMagF);

  //
  //
  //

  for (Int_t i=0;i<ntracks;++i) {
    AliESDtrack *track = event->GetTrack(i);     
    AliESDfriendTrack *friendTrack = ESDfriend->GetTrack(i);
 
    const AliExternalTrackParam * trackIn  = track->GetInnerParam();
    const AliExternalTrackParam * trackOut = track->GetOuterParam();
    AliExternalTrackParam * tpcOut   = (AliExternalTrackParam *)friendTrack->GetTPCOut();
    if (!trackIn) continue;
    if (!trackOut) continue;
    if (!tpcOut) continue;   
    TObject *calibObject;
    AliTPCseed *seed = 0;
    for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
      if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
    }
    if (!seed) continue;
    RefitTrack(track, seed,event->GetMagneticField());
    (*tpcOut)=*(track->GetOuterParam());  
  }
  return;
}

Bool_t  AliTPCcalibCalib::RefitTrack(AliESDtrack * track, AliTPCseed *seed, Float_t magesd){
  //
  // Refit track
  // if magesd==0 forget the curvature

  //
  // 0 - Setup transform object
  //
  AliTPCTransform *transform = AliTPCcalibDB::Instance()->GetTransform() ;
  AliTPCParam     *param     = AliTPCcalibDB::Instance()->GetParameters();
  transform->SetCurrentRun(fRun);
  transform->SetCurrentTimeStamp((UInt_t)fTime);
  if(!fApplyExBCorrection) { // disable ExB correction in transform
    if(transform->GetCurrentRecoParam())
      transform->GetCurrentRecoParamNonConst()->SetUseExBCorrection(0);
  }
  if(!fApplyTOFCorrection) { // disable TOF correction in transform
    if(transform->GetCurrentRecoParam())
      transform->GetCurrentRecoParamNonConst()->SetUseTOFCorrection(kFALSE);
  }

  //
  // First apply calibration
  //
  //  AliTPCPointCorrection * corr =  AliTPCPointCorrection::Instance();
  for (Int_t irow=0;irow<159;irow++) {
    AliTPCclusterMI *cluster=seed->GetClusterPointer(irow);
    if (!cluster) continue; 
    AliTPCclusterMI cl0(*cluster);
    Double_t x[3]={cluster->GetRow(),cluster->GetPad(),cluster->GetTimeBin()};
    Int_t i[1]={cluster->GetDetector()};

    transform->Transform(x,i,0,1);
    //
    // get position correction
    //
    Int_t ipad=0;
    if (cluster->GetDetector()>35) ipad=1;
    Float_t dy =0;//AliTPCClusterParam::SPosCorrection(0,ipad,cluster->GetPad(),cluster->GetTimeBin(),cluster->GetZ(),cluster->GetSigmaY2(),cluster->GetSigmaZ2(),cluster->GetMax());
    Float_t dz =0;//AliTPCClusterParam::SPosCorrection(1,ipad,cluster->GetPad(),cluster->GetTimeBin(),cluster->GetZ(),cluster->GetSigmaY2(),cluster->GetSigmaZ2(),cluster->GetMax());
    // if(fApplyPositionCorrection) {
    //x[1]-=dy;
    //x[2]-=dz;
    // }
    //
    // Apply sector alignment
    //
    Double_t dxq = AliTPCPointCorrection::SGetCorrectionSector(0,cluster->GetDetector()%36,cluster->GetX(),
							       cluster->GetY(),cluster->GetZ());
    Double_t dyq = AliTPCPointCorrection::SGetCorrectionSector(1,cluster->GetDetector()%36,cluster->GetX(),
							       cluster->GetY(),cluster->GetZ());
    Double_t dzq = AliTPCPointCorrection::SGetCorrectionSector(2,cluster->GetDetector()%36,cluster->GetX(),
							       cluster->GetY(),cluster->GetZ());
    if (0&fApplySectorAlignment){
      x[0]-=dxq;
      x[1]-=dyq;
      x[2]-=dzq;
    }
//     //
//     // Apply r-phi correction  - To be done on track level- knowing the track angle !!!
//     //
//     Double_t corrclY =  
//       corr->RPhiCOGCorrection(cluster->GetDetector(),cluster->GetRow(), cluster->GetPad(),
// 				  cluster->GetY(),cluster->GetY(), cluster->GetZ(), 0., cluster->GetMax(),2.5);
//     // R correction
//     Double_t corrR   = corr->CorrectionOutR0(kFALSE,kFALSE,cluster->GetX(),cluster->GetY(),cluster->GetZ(),cluster->GetDetector());

//     if (0&fApplyRPhiCorrection){
//       if (cluster->GetY()>0) x[1]+=corrclY;  // rphi correction
//       if (cluster->GetY()<0) x[1]-=corrclY;  // rphi correction
//     }
//     if (0&fApplyRCorrection){      
//       x[0]+=corrR;                           // radial correction
//     }

    //
    //
    //
    cluster->SetX(x[0]);
    cluster->SetY(x[1]);
    cluster->SetZ(x[2]);
    
    //
    // Apply alignemnt
    //
    if (1){
      if (!param->IsGeoRead()) param->ReadGeoMatrices();
      TGeoHMatrix  *mat = param->GetClusterMatrix(cluster->GetDetector());
      //TGeoHMatrix  mat;
      Double_t pos[3]= {cluster->GetX(),cluster->GetY(),cluster->GetZ()};
      Double_t posC[3]={cluster->GetX(),cluster->GetY(),cluster->GetZ()};
      if (mat) mat->LocalToMaster(pos,posC);
      else{
	// chack Loading of Geo matrices from GeoManager - TEMPORARY FIX
      }
      cluster->SetX(posC[0]);
      cluster->SetY(posC[1]);
      cluster->SetZ(posC[2]);
    }


    if (fStreamLevel>2){
      TTreeSRedirector *cstream = GetDebugStreamer();
      if (cstream){
	(*cstream)<<"Clusters"<<
	  "run="<<fRun<<              //  run number
	  "event="<<fEvent<<          //  event number
	  "time="<<fTime<<            //  time stamp of event
	  "trigger="<<fTrigger<<      //  trigger
	  "triggerClass="<<&fTriggerClass<<      //  trigger	  
	  "mag="<<fMagF<<             //  magnetic field
	  "cl0.="<<&cl0<<
	  "cl.="<<cluster<<
	  "cy="<<dy<<
	  "cz="<<dz<<
	  //	  "cY="<<corrclY<<
	  //	  "cR="<<corrR<<
	  "dxq="<<dxq<<
	  "dyq="<<dyq<<
	  "dzq="<<dzq<<
	  "\n";
      }
    }
  }
  //
  //
  //
  Int_t ncl = seed->GetNumberOfClusters();
  const Double_t kResetCov=4.;
  const Double_t kSigma=5.;
  Double_t covar[15];
  for (Int_t i=0;i<15;i++) covar[i]=0;
  covar[0]=kSigma*kSigma;
  covar[2]=kSigma*kSigma;
  covar[5]=kSigma*kSigma/Float_t(ncl*ncl);
  covar[9]=kSigma*kSigma/Float_t(ncl*ncl);
  covar[14]=0.2*0.2;
  if (TMath::Abs(magesd)<0.05) {
     covar[14]=0.025*0.025;
  }
  // 
  // And now do refit
  //
  AliExternalTrackParam * trackInOld  = (AliExternalTrackParam*)track->GetInnerParam();
  AliExternalTrackParam * trackOutOld = (AliExternalTrackParam*)track->GetOuterParam();


  AliExternalTrackParam trackIn  = *trackOutOld;
  trackIn.ResetCovariance(kResetCov);
  trackIn.AddCovariance(covar);
  if (TMath::Abs(magesd)<0.05) {
    ((Double_t&)(trackIn.GetParameter()[4]))=0.000000001;
    ((Double_t&)(trackIn.GetCovariance()[14]))=covar[14];  // fix the line
  }  

  Double_t xyz[3];
  Int_t nclIn=0,nclOut=0;
  //
  // Refit in
  //

  for (Int_t irow=159; irow>0; irow--){
    AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
    if (!cl) continue;
    if (cl->GetX()<80) continue;
    Int_t sector = cl->GetDetector();
    Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
    if (TMath::Abs(dalpha)>0.01){
      if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
    }
    Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
    Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
    AliTPCseed::GetError(cl, &trackIn,cov[0],cov[2]);
    cov[0]*=cov[0];
    cov[2]*=cov[2];
    trackIn.GetXYZ(xyz);
    Double_t bz = AliTracker::GetBz(xyz);

    if (!trackIn.PropagateTo(r[0],bz)) continue;
    if (RejectCluster(cl,&trackIn)) continue;
    nclIn++;
    trackIn.Update(&r[1],cov);    
  }
  //
  AliExternalTrackParam trackOut = trackIn;
  trackOut.ResetCovariance(kResetCov);
  trackOut.AddCovariance(covar);
  if (TMath::Abs(magesd)<0.05) {
    ((Double_t&)(trackOut.GetParameter()[4]))=0.000000001;
    ((Double_t&)(trackOut.GetCovariance()[14]))=covar[14];  // fix the line
  }

  //
  // Refit out
  //
  //Bool_t lastEdge=kFALSE;
  for (Int_t irow=0; irow<160; irow++){
    AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
    if (!cl) continue;
    if (cl->GetX()<80) continue;
    Int_t sector = cl->GetDetector();
    Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha();

    if (TMath::Abs(dalpha)>0.01){
      if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
    }
    Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};

    Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation    
    AliTPCseed::GetError(cl, &trackOut,cov[0],cov[2]);
    cov[0]*=cov[0];
    cov[2]*=cov[2];
    trackOut.GetXYZ(xyz);
    Double_t bz = AliTracker::GetBz(xyz);
    if (!trackOut.PropagateTo(r[0],bz)) continue;
    if (RejectCluster(cl,&trackOut)) continue;
    nclOut++;
    trackOut.Update(&r[1],cov);    	
    //if (cl->GetType()<0) lastEdge=kTRUE;
    //if (cl->GetType()>=0) lastEdge=kFALSE;    
  }
  //
  //
  //
  nclIn=0;
  trackIn  = trackOut;
  trackIn.ResetCovariance(kResetCov);
  if (TMath::Abs(magesd)<0.05) {
    ((Double_t&)(trackIn.GetParameter()[4]))=0.000000001;
    ((Double_t&)(trackIn.GetCovariance()[14]))=covar[14];  // fix the line
  }
  //
  // Refit in one more time
  //
  for (Int_t irow=159; irow>0; irow--){
    AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
    if (!cl) continue;
    if (cl->GetX()<80) continue;
    Int_t sector = cl->GetDetector();
    Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha();
    if (TMath::Abs(dalpha)>0.01){
      if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break;
    }
    Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
    Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
    AliTPCseed::GetError(cl, &trackIn,cov[0],cov[2]);
    cov[0]*=cov[0];
    cov[2]*=cov[2];
    trackIn.GetXYZ(xyz);
    Double_t bz = AliTracker::GetBz(xyz);

    if (!trackIn.PropagateTo(r[0],bz)) continue;
    if (RejectCluster(cl,&trackIn)) continue;
    nclIn++;
    trackIn.Update(&r[1],cov);    
  }


  trackIn.Rotate(trackInOld->GetAlpha());
  trackOut.Rotate(trackOutOld->GetAlpha());
  //
  trackInOld->GetXYZ(xyz);
  Double_t bz = AliTracker::GetBz(xyz);
  trackIn.PropagateTo(trackInOld->GetX(),bz);
  //
  trackOutOld->GetXYZ(xyz);
  bz = AliTracker::GetBz(xyz);  
  trackOut.PropagateTo(trackOutOld->GetX(),bz);
  

  if (fStreamLevel>0){
    TTreeSRedirector *cstream = GetDebugStreamer();
    if (cstream){
      (*cstream)<<"Tracks"<<
	"run="<<fRun<<              //  run number
	"event="<<fEvent<<          //  event number
	"time="<<fTime<<            //  time stamp of event
	"trigger="<<fTrigger<<      //  trigger
	"triggerClass="<<&fTriggerClass<<      //  trigger
	"mag="<<fMagF<<             //  magnetic field
	"nclIn="<<nclIn<<
	"nclOut="<<nclOut<<
	"ncl="<<ncl<<
	"TrIn0.="<<trackInOld<<
	"TrOut0.="<<trackOutOld<<
	"TrIn1.="<<&trackIn<<
	"TrOut1.="<<&trackOut<<
	"\n";
    }
  }
  //
  // And now rewrite ESDtrack and TPC seed
  //
 
  (*trackInOld)  = trackIn;
  (*trackOutOld) = trackOut;
  AliExternalTrackParam *t = &trackIn;
  track->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
  seed->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
  seed->SetNumberOfClusters((nclIn+nclOut)/2);
  return kTRUE;
}


Bool_t AliTPCcalibCalib::RejectCluster(AliTPCclusterMI* cl, AliExternalTrackParam * param){
  //
  // check the acceptance of cluster
  // Cut on edge effects
  //
  Float_t kEdgeCut=2.5;
  Float_t kSigmaCut=6;

  Bool_t isReject = kFALSE;
  Float_t edgeY = cl->GetX()*TMath::Tan(TMath::Pi()/18);
  Float_t dist  = edgeY - TMath::Abs(cl->GetY());
  if (param)  dist  = TMath::Abs(edgeY - TMath::Abs(param->GetY()));
  if (dist<kEdgeCut) isReject=kTRUE;

  Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation    
  AliTPCseed::GetError(cl, param,cov[0],cov[2]);
  if (param->GetSigmaY2()<0 || param->GetSigmaZ2()<0){
    AliError("Wrong parameters");
    return kFALSE;
  }
  Double_t py = (cl->GetY()-param->GetY())/TMath::Sqrt(cov[0]*cov[0]+param->GetSigmaY2());
  Double_t pz = (cl->GetZ()-param->GetZ())/TMath::Sqrt(cov[2]*cov[2]+param->GetSigmaZ2());
  //
  if ((py*py+pz*pz)>kSigmaCut*kSigmaCut) isReject=kTRUE;
  
  return isReject;
}
Commit	Line	Data
9dcfce73	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16
	17	///////////////////////////////////////////////////////////////////////////////
	18	// //
	19	// Component for redoing the reconstruction from the clusters and tracks
	20	//
	21	// The new calibration data used
	22	//
	23	// In reality it overwrites the content of the ESD
	24	//
	25
3bf5c7a6	26	/*
	27
	28	gSystem->Load("libANALYSIS");
	29	gSystem->Load("libTPCcalib");
	30	//
	31	gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
	32	gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
	33	AliXRDPROOFtoolkit tool;
11c7a854	34	TChain * chainCl = tool.MakeChain("calib.txt","Clusters",0,1);
	35	chainCl->Lookup();
	36	TChain * chainTr = tool.MakeChain("calib.txt","Tracks",0,1);
	37	chainTr->Lookup();
3bf5c7a6	38
	39
	40
	41	*/
	42
	43
	44
9dcfce73	45	// marian.ivanov@cern.ch
	46	//
	47	#include "AliTPCcalibCalib.h"
	48	#include "TSystem.h"
	49	#include "TFile.h"
	50	#include "TTreeStream.h"
	51	#include "AliLog.h"
	52	#include "TTimeStamp.h"
	53	#include "AliESDEvent.h"
	54	#include "AliESDfriend.h"
	55	#include "AliESDtrack.h"
	56	#include "AliTracker.h"
11c7a854	57	#include "AliTPCClusterParam.h"
b5738316	58	#include "AliTPCParam.h"
9dcfce73	59
	60	#include "AliTPCcalibDB.h"
	61	#include "AliTPCTransform.h"
7af539c6	62	#include "AliTPCRecoParam.h"
9dcfce73	63	#include "AliTPCclusterMI.h"
9dcfce73	64	#include "AliTPCseed.h"
15e48021	65	#include "AliTPCPointCorrection.h"
b5738316	66	#include <TGeoManager.h>
b5738316	67	#include <TGeoPhysicalNode.h>
9dcfce73	68
	69	ClassImp(AliTPCcalibCalib)
	70
	71	AliTPCcalibCalib::AliTPCcalibCalib():
7af539c6	72	AliTPCcalibBase(),
	73	fApplyExBCorrection(1), // apply ExB correction
	74	fApplyTOFCorrection(1), // apply TOF correction
	75	fApplyPositionCorrection(1), // apply position correction
	76	fApplySectorAlignment(1), // apply sector alignment
	77	fApplyRPhiCorrection(1), // apply R-Phi correction
	78	fApplyRCorrection(1) // apply Radial correction
	79
9dcfce73	80	{
	81	//
	82	// Constructor
	83	//
	84	}
	85
	86
	87	AliTPCcalibCalib::AliTPCcalibCalib(const Text_t name, const Text_t title)
7af539c6	88	:AliTPCcalibBase(),
	89	fApplyExBCorrection(1), // apply ExB correction
	90	fApplyTOFCorrection(1), // apply TOF correction
	91	fApplyPositionCorrection(1), // apply position correction
	92	fApplySectorAlignment(1), // apply sector alignment
	93	fApplyRPhiCorrection(1), // apply R-Phi correction
	94	fApplyRCorrection(1) // apply Radial correction
9dcfce73	95	{
	96	SetName(name);
	97	SetTitle(title);
	98	}
	99
	100
	101	AliTPCcalibCalib::AliTPCcalibCalib(const AliTPCcalibCalib&calib):
7af539c6	102	AliTPCcalibBase(calib),
	103	fApplyExBCorrection(calib.GetApplyExBCorrection()),
	104	fApplyTOFCorrection(calib.GetApplyTOFCorrection()),
	105	fApplyPositionCorrection(calib.GetApplyPositionCorrection()),
	106	fApplySectorAlignment(calib.GetApplySectorAlignment()),
	107	fApplyRPhiCorrection(calib.GetApplyRPhiCorrection()),
	108	fApplyRCorrection(calib.GetApplyRCorrection())
	109
9dcfce73	110	{
	111	//
	112	// copy constructor
	113	//
	114	}
	115
	116	AliTPCcalibCalib &AliTPCcalibCalib::operator=(const AliTPCcalibCalib&calib){
	117	//
	118	//
	119	//
	120	((AliTPCcalibBase *)this)->operator=(calib);
	121	return *this;
	122	}
	123
	124
	125	AliTPCcalibCalib::~AliTPCcalibCalib() {
	126	//
	127	// destructor
	128	//
	129	}
	130
	131
	132	void AliTPCcalibCalib::Process(AliESDEvent *event){
	133	//
	134	//
	135	//
	136	if (!event) {
	137	return;
	138	}
	139	AliESDfriend ESDfriend=static_cast<AliESDfriend>(event->FindListObject("AliESDfriend"));
	140	if (!ESDfriend) {
	141	return;
	142	}
	143
	144	if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
	145	Int_t ntracks=event->GetNumberOfTracks();
91350f5b	146	//AliTPCcalibDB::Instance()->SetExBField(fMagF);
5c3e0d17	147
9dcfce73	148	//
	149	//
	150	//
	151
	152	for (Int_t i=0;i<ntracks;++i) {
3e55050f	153	AliESDtrack *track = event->GetTrack(i);
	154	AliESDfriendTrack *friendTrack = ESDfriend->GetTrack(i);
	155
	156	const AliExternalTrackParam * trackIn = track->GetInnerParam();
9dcfce73	157	const AliExternalTrackParam * trackOut = track->GetOuterParam();
3e55050f	158	AliExternalTrackParam * tpcOut = (AliExternalTrackParam *)friendTrack->GetTPCOut();
9dcfce73	159	if (!trackIn) continue;
9dcfce73	160	if (!trackOut) continue;
3e55050f	161	if (!tpcOut) continue;
9dcfce73	162	TObject *calibObject;
	163	AliTPCseed *seed = 0;
	164	for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
	165	if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
	166	}
	167	if (!seed) continue;
38b1a1ca	168	RefitTrack(track, seed,event->GetMagneticField());
3e55050f	169	(tpcOut)=(track->GetOuterParam());
9dcfce73	170	}
	171	return;
	172	}
	173
38b1a1ca	174	Bool_t AliTPCcalibCalib::RefitTrack(AliESDtrack * track, AliTPCseed *seed, Float_t magesd){
9dcfce73	175	//
9dcfce73	176	// Refit track
38b1a1ca	177	// if magesd==0 forget the curvature
9dcfce73	178
15e48021	179	//
	180	// 0 - Setup transform object
	181	//
	182	AliTPCTransform *transform = AliTPCcalibDB::Instance()->GetTransform() ;
b96c3aef	183	AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters();
15e48021	184	transform->SetCurrentRun(fRun);
15e48021	185	transform->SetCurrentTimeStamp((UInt_t)fTime);
7af539c6	186	if(!fApplyExBCorrection) { // disable ExB correction in transform
	187	if(transform->GetCurrentRecoParam())
	188	transform->GetCurrentRecoParamNonConst()->SetUseExBCorrection(0);
	189	}
	190	if(!fApplyTOFCorrection) { // disable TOF correction in transform
	191	if(transform->GetCurrentRecoParam())
	192	transform->GetCurrentRecoParamNonConst()->SetUseTOFCorrection(kFALSE);
	193	}
	194
9dcfce73	195	//
	196	// First apply calibration
	197	//
064244d8	198	// AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance();
9dcfce73	199	for (Int_t irow=0;irow<159;irow++) {
	200	AliTPCclusterMI *cluster=seed->GetClusterPointer(irow);
	201	if (!cluster) continue;
	202	AliTPCclusterMI cl0(*cluster);
	203	Double_t x[3]={cluster->GetRow(),cluster->GetPad(),cluster->GetTimeBin()};
	204	Int_t i[1]={cluster->GetDetector()};
7af539c6	205
9dcfce73	206	transform->Transform(x,i,0,1);
11c7a854	207	//
	208	// get position correction
	209	//
	210	Int_t ipad=0;
	211	if (cluster->GetDetector()>35) ipad=1;
f26def9e	212	Float_t dy =0;//AliTPCClusterParam::SPosCorrection(0,ipad,cluster->GetPad(),cluster->GetTimeBin(),cluster->GetZ(),cluster->GetSigmaY2(),cluster->GetSigmaZ2(),cluster->GetMax());
f26def9e	213	Float_t dz =0;//AliTPCClusterParam::SPosCorrection(1,ipad,cluster->GetPad(),cluster->GetTimeBin(),cluster->GetZ(),cluster->GetSigmaY2(),cluster->GetSigmaZ2(),cluster->GetMax());
7af539c6	214	// if(fApplyPositionCorrection) {
11c7a854	215	//x[1]-=dy;
11c7a854	216	//x[2]-=dz;
7af539c6	217	// }
15e48021	218	//
	219	// Apply sector alignment
	220	//
	221	Double_t dxq = AliTPCPointCorrection::SGetCorrectionSector(0,cluster->GetDetector()%36,cluster->GetX(),
	222	cluster->GetY(),cluster->GetZ());
	223	Double_t dyq = AliTPCPointCorrection::SGetCorrectionSector(1,cluster->GetDetector()%36,cluster->GetX(),
	224	cluster->GetY(),cluster->GetZ());
	225	Double_t dzq = AliTPCPointCorrection::SGetCorrectionSector(2,cluster->GetDetector()%36,cluster->GetX(),
	226	cluster->GetY(),cluster->GetZ());
b5738316	227	if (0&fApplySectorAlignment){
15e48021	228	x[0]-=dxq;
	229	x[1]-=dyq;
	230	x[2]-=dzq;
	231	}
064244d8	232	// //
	233	// // Apply r-phi correction - To be done on track level- knowing the track angle !!!
	234	// //
	235	// Double_t corrclY =
	236	// corr->RPhiCOGCorrection(cluster->GetDetector(),cluster->GetRow(), cluster->GetPad(),
	237	// cluster->GetY(),cluster->GetY(), cluster->GetZ(), 0., cluster->GetMax(),2.5);
	238	// // R correction
	239	// Double_t corrR = corr->CorrectionOutR0(kFALSE,kFALSE,cluster->GetX(),cluster->GetY(),cluster->GetZ(),cluster->GetDetector());
	240
	241	// if (0&fApplyRPhiCorrection){
	242	// if (cluster->GetY()>0) x[1]+=corrclY; // rphi correction
	243	// if (cluster->GetY()<0) x[1]-=corrclY; // rphi correction
	244	// }
	245	// if (0&fApplyRCorrection){
	246	// x[0]+=corrR; // radial correction
	247	// }
11c7a854	248
15e48021	249	//
15e48021	250	//
9dcfce73	251	//
	252	cluster->SetX(x[0]);
	253	cluster->SetY(x[1]);
	254	cluster->SetZ(x[2]);
b96c3aef	255
	256	//
	257	// Apply alignemnt
	258	//
b5738316	259	if (1){
	260	if (!param->IsGeoRead()) param->ReadGeoMatrices();
	261	TGeoHMatrix *mat = param->GetClusterMatrix(cluster->GetDetector());
	262	//TGeoHMatrix mat;
	263	Double_t pos[3]= {cluster->GetX(),cluster->GetY(),cluster->GetZ()};
	264	Double_t posC[3]={cluster->GetX(),cluster->GetY(),cluster->GetZ()};
	265	if (mat) mat->LocalToMaster(pos,posC);
	266	else{
	267	// chack Loading of Geo matrices from GeoManager - TEMPORARY FIX
	268	}
	269	cluster->SetX(posC[0]);
	270	cluster->SetY(posC[1]);
	271	cluster->SetZ(posC[2]);
	272	}
b96c3aef	273
	274
	275
9dcfce73	276	if (fStreamLevel>2){
	277	TTreeSRedirector *cstream = GetDebugStreamer();
	278	if (cstream){
	279	(*cstream)<<"Clusters"<<
108953e9	280	"run="<<fRun<< // run number
	281	"event="<<fEvent<< // event number
	282	"time="<<fTime<< // time stamp of event
	283	"trigger="<<fTrigger<< // trigger
15e48021	284	"triggerClass="<<&fTriggerClass<< // trigger
108953e9	285	"mag="<<fMagF<< // magnetic field
9dcfce73	286	"cl0.="<<&cl0<<
9dcfce73	287	"cl.="<<cluster<<
11c7a854	288	"cy="<<dy<<
11c7a854	289	"cz="<<dz<<
064244d8	290	// "cY="<<corrclY<<
064244d8	291	// "cR="<<corrR<<
15e48021	292	"dxq="<<dxq<<
	293	"dyq="<<dyq<<
	294	"dzq="<<dzq<<
9dcfce73	295	"\n";
	296	}
	297	}
	298	}
15e48021	299	//
	300	//
	301	//
11c7a854	302	Int_t ncl = seed->GetNumberOfClusters();
b5738316	303	const Double_t kResetCov=4.;
b5738316	304	const Double_t kSigma=5.;
11c7a854	305	Double_t covar[15];
11c7a854	306	for (Int_t i=0;i<15;i++) covar[i]=0;
b5738316	307	covar[0]=kSigma*kSigma;
	308	covar[2]=kSigma*kSigma;
	309	covar[5]=kSigmakSigma/Float_t(nclncl);
	310	covar[9]=kSigmakSigma/Float_t(nclncl);
	311	covar[14]=0.2*0.2;
38b1a1ca	312	if (TMath::Abs(magesd)<0.05) {
	313	covar[14]=0.025*0.025;
	314	}
9dcfce73	315	//
	316	// And now do refit
	317	//
11c7a854	318	AliExternalTrackParam * trackInOld = (AliExternalTrackParam*)track->GetInnerParam();
9dcfce73	319	AliExternalTrackParam * trackOutOld = (AliExternalTrackParam*)track->GetOuterParam();
9dcfce73	320
3e55050f	321
9dcfce73	322	AliExternalTrackParam trackIn = *trackOutOld;
b5738316	323	trackIn.ResetCovariance(kResetCov);
b5738316	324	trackIn.AddCovariance(covar);
38b1a1ca	325	if (TMath::Abs(magesd)<0.05) {
38b1a1ca	326	((Double_t&)(trackIn.GetParameter()[4]))=0.000000001;
b5738316	327	((Double_t&)(trackIn.GetCovariance()[14]))=covar[14]; // fix the line
38b1a1ca	328	}
b5738316	329
9dcfce73	330	Double_t xyz[3];
	331	Int_t nclIn=0,nclOut=0;
	332	//
15e48021	333	// Refit in
	334	//
	335
	336	for (Int_t irow=159; irow>0; irow--){
	337	AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
	338	if (!cl) continue;
	339	if (cl->GetX()<80) continue;
	340	Int_t sector = cl->GetDetector();
	341	Float_t dalpha = TMath::DegToRad()(sector%1820.+10.)-trackIn.GetAlpha();
91f8fa1d	342	if (TMath::Abs(dalpha)>0.01){
	343	if (!trackIn.Rotate(TMath::DegToRad()(sector%1820.+10.))) break;
	344	}
15e48021	345	Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
	346	Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
	347	AliTPCseed::GetError(cl, &trackIn,cov[0],cov[2]);
	348	cov[0]*=cov[0];
	349	cov[2]*=cov[2];
	350	trackIn.GetXYZ(xyz);
	351	Double_t bz = AliTracker::GetBz(xyz);
	352
	353	if (!trackIn.PropagateTo(r[0],bz)) continue;
	354	if (RejectCluster(cl,&trackIn)) continue;
	355	nclIn++;
	356	trackIn.Update(&r[1],cov);
	357	}
	358	//
	359	AliExternalTrackParam trackOut = trackIn;
b5738316	360	trackOut.ResetCovariance(kResetCov);
b5738316	361	trackOut.AddCovariance(covar);
38b1a1ca	362	if (TMath::Abs(magesd)<0.05) {
38b1a1ca	363	((Double_t&)(trackOut.GetParameter()[4]))=0.000000001;
b5738316	364	((Double_t&)(trackOut.GetCovariance()[14]))=covar[14]; // fix the line
38b1a1ca	365	}
b5738316	366
15e48021	367	//
9dcfce73	368	// Refit out
9dcfce73	369	//
15e48021	370	//Bool_t lastEdge=kFALSE;
9dcfce73	371	for (Int_t irow=0; irow<160; irow++){
	372	AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
	373	if (!cl) continue;
	374	if (cl->GetX()<80) continue;
	375	Int_t sector = cl->GetDetector();
	376	Float_t dalpha = TMath::DegToRad()(sector%1820.+10.)-trackOut.GetAlpha();
	377
91f8fa1d	378	if (TMath::Abs(dalpha)>0.01){
	379	if (!trackOut.Rotate(TMath::DegToRad()(sector%1820.+10.))) break;
	380	}
9dcfce73	381	Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
91350f5b	382
	383	Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
	384	AliTPCseed::GetError(cl, &trackOut,cov[0],cov[2]);
	385	cov[0]*=cov[0];
	386	cov[2]*=cov[2];
9dcfce73	387	trackOut.GetXYZ(xyz);
9dcfce73	388	Double_t bz = AliTracker::GetBz(xyz);
15e48021	389	if (!trackOut.PropagateTo(r[0],bz)) continue;
42b40d07	390	if (RejectCluster(cl,&trackOut)) continue;
15e48021	391	nclOut++;
	392	trackOut.Update(&r[1],cov);
	393	//if (cl->GetType()<0) lastEdge=kTRUE;
	394	//if (cl->GetType()>=0) lastEdge=kFALSE;
9dcfce73	395	}
9dcfce73	396	//
9dcfce73	397	//
15e48021	398	//
	399	nclIn=0;
	400	trackIn = trackOut;
b5738316	401	trackIn.ResetCovariance(kResetCov);
	402	if (TMath::Abs(magesd)<0.05) {
	403	((Double_t&)(trackIn.GetParameter()[4]))=0.000000001;
	404	((Double_t&)(trackIn.GetCovariance()[14]))=covar[14]; // fix the line
	405	}
15e48021	406	//
	407	// Refit in one more time
	408	//
9dcfce73	409	for (Int_t irow=159; irow>0; irow--){
	410	AliTPCclusterMI *cl=seed->GetClusterPointer(irow);
	411	if (!cl) continue;
	412	if (cl->GetX()<80) continue;
	413	Int_t sector = cl->GetDetector();
	414	Float_t dalpha = TMath::DegToRad()(sector%1820.+10.)-trackIn.GetAlpha();
91f8fa1d	415	if (TMath::Abs(dalpha)>0.01){
	416	if (!trackIn.Rotate(TMath::DegToRad()(sector%1820.+10.))) break;
	417	}
9dcfce73	418	Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()};
9dcfce73	419	Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
91350f5b	420	AliTPCseed::GetError(cl, &trackIn,cov[0],cov[2]);
	421	cov[0]*=cov[0];
	422	cov[2]*=cov[2];
	423	trackIn.GetXYZ(xyz);
9dcfce73	424	Double_t bz = AliTracker::GetBz(xyz);
9dcfce73	425
15e48021	426	if (!trackIn.PropagateTo(r[0],bz)) continue;
42b40d07	427	if (RejectCluster(cl,&trackIn)) continue;
15e48021	428	nclIn++;
9dcfce73	429	trackIn.Update(&r[1],cov);
9dcfce73	430	}
15e48021	431
15e48021	432
3bf5c7a6	433	trackIn.Rotate(trackInOld->GetAlpha());
	434	trackOut.Rotate(trackOutOld->GetAlpha());
	435	//
	436	trackInOld->GetXYZ(xyz);
	437	Double_t bz = AliTracker::GetBz(xyz);
	438	trackIn.PropagateTo(trackInOld->GetX(),bz);
	439	//
	440	trackOutOld->GetXYZ(xyz);
	441	bz = AliTracker::GetBz(xyz);
	442	trackOut.PropagateTo(trackOutOld->GetX(),bz);
	443
9dcfce73	444
	445	if (fStreamLevel>0){
	446	TTreeSRedirector *cstream = GetDebugStreamer();
	447	if (cstream){
	448	(*cstream)<<"Tracks"<<
108953e9	449	"run="<<fRun<< // run number
	450	"event="<<fEvent<< // event number
	451	"time="<<fTime<< // time stamp of event
	452	"trigger="<<fTrigger<< // trigger
15e48021	453	"triggerClass="<<&fTriggerClass<< // trigger
108953e9	454	"mag="<<fMagF<< // magnetic field
9dcfce73	455	"nclIn="<<nclIn<<
	456	"nclOut="<<nclOut<<
	457	"ncl="<<ncl<<
	458	"TrIn0.="<<trackInOld<<
	459	"TrOut0.="<<trackOutOld<<
	460	"TrIn1.="<<&trackIn<<
	461	"TrOut1.="<<&trackOut<<
	462	"\n";
	463	}
	464	}
3bf5c7a6	465	//
981e9de5	466	// And now rewrite ESDtrack and TPC seed
3bf5c7a6	467	//
	468
	469	(*trackInOld) = trackIn;
	470	(*trackOutOld) = trackOut;
	471	AliExternalTrackParam *t = &trackIn;
	472	track->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
981e9de5	473	seed->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
fe8454d9	474	seed->SetNumberOfClusters((nclIn+nclOut)/2);
2cfb8d90	475	return kTRUE;
9dcfce73	476	}
	477
	478
	479
	480	Bool_t AliTPCcalibCalib::RejectCluster(AliTPCclusterMI* cl, AliExternalTrackParam * param){
	481	//
	482	// check the acceptance of cluster
	483	// Cut on edge effects
	484	//
15e48021	485	Float_t kEdgeCut=2.5;
	486	Float_t kSigmaCut=6;
	487
9dcfce73	488	Bool_t isReject = kFALSE;
	489	Float_t edgeY = cl->GetX()*TMath::Tan(TMath::Pi()/18);
	490	Float_t dist = edgeY - TMath::Abs(cl->GetY());
	491	if (param) dist = TMath::Abs(edgeY - TMath::Abs(param->GetY()));
15e48021	492	if (dist<kEdgeCut) isReject=kTRUE;
	493
	494	Double_t cov[3]={0.01,0.,0.01}; //TODO: correct error parametrisation
	495	AliTPCseed::GetError(cl, param,cov[0],cov[2]);
91f8fa1d	496	if (param->GetSigmaY2()<0 \|\| param->GetSigmaZ2()<0){
d3ce44cb	497	AliError("Wrong parameters");
	498	return kFALSE;
	499	}
15e48021	500	Double_t py = (cl->GetY()-param->GetY())/TMath::Sqrt(cov[0]*cov[0]+param->GetSigmaY2());
	501	Double_t pz = (cl->GetZ()-param->GetZ())/TMath::Sqrt(cov[2]*cov[2]+param->GetSigmaZ2());
	502	//
	503	if ((pypy+pzpz)>kSigmaCut*kSigmaCut) isReject=kTRUE;
	504
9dcfce73	505	return isReject;
	506	}
	507
	508
91350f5b	509