//-----------------------------------------------------------------
+//
// Implementation of the TPC seed class
// This class is used by the AliTPCtrackerMI class
// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
//-----------------------------------------------------------------
#include "TClonesArray.h"
+#include "TGraphErrors.h"
#include "AliTPCseed.h"
#include "AliTPCReconstructor.h"
#include "AliTPCClusterParam.h"
#include "AliTPCCalROC.h"
#include "AliTPCcalibDB.h"
#include "AliTPCParam.h"
-
+#include "AliMathBase.h"
+#include "AliTPCTransform.h"
+#include "AliSplineFit.h"
+#include "AliCDBManager.h"
+#include "AliTPCcalibDButil.h"
ClassImp(AliTPCseed)
fSeed2(-1),
fMAngular(0),
fCircular(0),
- fClusterMap(159),
- fSharedMap(159)
+ fPoolID(-1)
{
//
for (Int_t i=0;i<160;i++) SetClusterIndex2(i,-3);
fDEDX[i] = 0.;
fSDEDX[i] = 1e10;
fNCDEDX[i] = 0;
+ fNCDEDXInclThres[i] = 0;
}
+ fDEDX[4] = 0;
for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1;
- // for (Int_t i=0;i<160;i++) fClusterMap[i]=kFALSE;
- //for (Int_t i=0;i<160;i++) fSharedMap[i]=kFALSE;
- fClusterMap.ResetAllBits(kFALSE);
- fSharedMap.ResetAllBits(kFALSE);
-
}
AliTPCseed::AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner):
fSeed2(-1),
fMAngular(0),
fCircular(0),
- fClusterMap(s.fClusterMap),
- fSharedMap(s.fSharedMap)
+ fPoolID(-1)
{
//---------------------
// dummy copy constructor
fDEDX[i] = s.fDEDX[i];
fSDEDX[i] = s.fSDEDX[i];
fNCDEDX[i] = s.fNCDEDX[i];
+ fNCDEDXInclThres[i] = s.fNCDEDXInclThres[i];
}
+ fDEDX[4] = s.fDEDX[4];
for (Int_t i=0;i<12;i++) fOverlapLabels[i] = s.fOverlapLabels[i];
}
fSeed2(-1),
fMAngular(0),
fCircular(0),
- fClusterMap(159),
- fSharedMap(159)
+ fPoolID(-1)
{
//
// Constructor from AliTPCtrack
fDEDX[i] = 0.;
fSDEDX[i] = 1e10;
fNCDEDX[i] = 0;
+ fNCDEDXInclThres[i] = 0;
}
+ fDEDX[4] = 0;
for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1;
-
- //for (Int_t i=0;i<160;i++) fClusterMap[i]=kFALSE;
- //for (Int_t i=0;i<160;i++) fSharedMap[i]=kFALSE;
- fClusterMap.ResetAllBits(kFALSE);
- fSharedMap.ResetAllBits(kFALSE);
-
}
AliTPCseed::AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5],
fSeed2(-1),
fMAngular(0),
fCircular(0),
- fClusterMap(159),
- fSharedMap(159)
+ fPoolID(-1)
{
//
// Constructor
fDEDX[i] = 0.;
fSDEDX[i] = 1e10;
fNCDEDX[i] = 0;
+ fNCDEDXInclThres[i] = 0;
}
+ fDEDX[4] = 0;
for (Int_t i=0;i<12;i++) fOverlapLabels[i] = -1;
}
{
//
// assignment operator
+ // don't touch pool ID
//
if(this!=¶m){
AliTPCtrack::operator=(param);
fEsd =param.fEsd;
- for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i]; // this is not allocated by AliTPCSeed
fClusterOwner = param.fClusterOwner;
+ if (!fClusterOwner) for(Int_t i = 0;i<160;++i)fClusterPointer[i] = param.fClusterPointer[i];
+ else for(Int_t i = 0;i<160;++i) {
+ delete fClusterPointer[i];
+ fClusterPointer[i] = new AliTPCclusterMI(*(param.fClusterPointer[i]));
+ }
// leave out fPoint, they are also not copied in the copy ctor...
// but deleted in the dtor... strange...
fRow = param.fRow;
fDEDX[i] = param.fDEDX[i];
fSDEDX[i] = param.fSDEDX[i];
fNCDEDX[i] = param.fNCDEDX[i];
+ fNCDEDXInclThres[i] = param.fNCDEDXInclThres[i];
}
+ fDEDX[4] = param.fDEDX[4];
for(Int_t i = 0;i<AliPID::kSPECIES;++i)fTPCr[i] = param.fTPCr[i];
fSeedType = param.fSeedType;
fMAngular = param.fMAngular;
fCircular = param.fCircular;
for(int i = 0;i<160;++i)fTrackPoints[i] = param.fTrackPoints[i];
- fClusterMap = param.fClusterMap;
- fSharedMap = param.fSharedMap;
}
return (*this);
}
*/
if (all){
- for (Int_t i=0;i<200;i++) SetClusterIndex2(i,-3);
- for (Int_t i=0;i<160;i++) fClusterPointer[i]=0;
+ for (Int_t i=200;i--;) SetClusterIndex2(i,-3);
+ if (!fClusterOwner) for (Int_t i=160;i--;) fClusterPointer[i]=0;
+ else for (Int_t i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i]=0;}
}
}
}
// Double_t y1=fP0, z1=fP1;
- Double_t c1=GetSnp(), r1=sqrt(1.- c1*c1);
- Double_t c2=c1 + GetC()*dx, r2=sqrt(1.- c2*c2);
+ Double_t c1=GetSnp(), r1=sqrt((1.-c1)*(1.+c1));
+ Double_t c2=c1 + GetC()*dx, r2=sqrt((1.-c2)*(1.+c2));
y = GetY();
z = GetZ();
//-----------------------------------------------------------------
Double_t p[2]={c->GetY(), c->GetZ()};
Double_t cov[3]={fErrorY2, 0., fErrorZ2};
+
+ Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX();
+ if (TMath::Abs(dx)>0){
+ Float_t ty = TMath::Tan(TMath::ASin(GetSnp()));
+ Float_t dy = dx*ty;
+ Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl();
+ p[0] = c->GetY()-dy;
+ p[1] = c->GetZ()-dz;
+ }
return AliExternalTrackParam::GetPredictedChi2(p,cov);
}
Int_t n=GetNumberOfClusters();
Int_t idx=GetClusterIndex(n); // save the current cluster index
- AliCluster cl(*c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2);
+ AliTPCclusterMI cl(*(AliTPCclusterMI*)c); cl.SetSigmaY2(fErrorY2); cl.SetSigmaZ2(fErrorZ2);
+
+ AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam();
+
+ Float_t ty = TMath::Tan(TMath::ASin(GetSnp()));
+
+ if( parcl ){
+ Int_t padSize = 0; // short pads
+ if (cl.GetDetector() >= 36) {
+ padSize = 1; // medium pads
+ if (cl.GetRow() > 63) padSize = 2; // long pads
+ }
+ Float_t waveCorr = parcl->GetWaveCorrection( padSize, cl.GetZ(), cl.GetMax(),cl.GetPad(), ty );
+ cl.SetY( cl.GetY() - waveCorr );
+ }
+
Float_t dx = ((AliTPCclusterMI*)c)->GetX()-GetX();
if (TMath::Abs(dx)>0){
- Float_t ty = TMath::Tan(TMath::ASin(GetSnp()));
Float_t dy = dx*ty;
Float_t dz = dx*TMath::Sqrt(1.+ty*ty)*GetTgl();
- cl.SetY(c->GetY()-dy);
- cl.SetZ(c->GetZ()-dz);
- }
+ cl.SetY(cl.GetY()-dy);
+ cl.SetZ(cl.GetZ()-dz);
+ }
+
if (!AliTPCtrack::Update(&cl,chisq,index)) return kFALSE;
//_____________________________________________________________________________
-Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t onlyused) {
+Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_t /* onlyused */) {
//-----------------------------------------------------------------
// This funtion calculates dE/dX within the "low" and "up" cuts.
//-----------------------------------------------------------------
-
- Float_t amp[200];
- Float_t angular[200];
- Float_t weight[200];
- Int_t index[200];
- //Int_t nc = 0;
- Float_t meanlog = 100.;
+ // CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal)
+ AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters();
- Float_t mean[4] = {0,0,0,0};
- Float_t sigma[4] = {1000,1000,1000,1000};
- Int_t nc[4] = {0,0,0,0};
- Float_t norm[4] = {1000,1000,1000,1000};
+ Int_t row0 = param->GetNRowLow();
+ Int_t row1 = row0+param->GetNRowUp1();
+ Int_t row2 = row1+param->GetNRowUp2();
+ const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam();
+ Int_t useTot = 0;
+ if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1;
//
//
- fNShared =0;
-
- Float_t gainGG = 1;
- if (AliTPCcalibDB::Instance()->GetParameters()){
- gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain
- }
+ //
+ fDEDX[0] = CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 0);
+ fDEDX[1] = CookdEdxAnalytical(low,up,useTot ,0 ,row0, 0);
+ fDEDX[2] = CookdEdxAnalytical(low,up,useTot ,row0,row1, 0);
+ fDEDX[3] = CookdEdxAnalytical(low,up,useTot ,row1,row2, 0);
+ fDEDX[4] = CookdEdxAnalytical(low,up,useTot ,row0,row2, 0); // full OROC truncated mean
+ //
+ fSDEDX[0] = CookdEdxAnalytical(low,up,useTot ,i1 ,i2, 1);
+ fSDEDX[1] = CookdEdxAnalytical(low,up,useTot ,0 ,row0, 1);
+ fSDEDX[2] = CookdEdxAnalytical(low,up,useTot ,row0,row1, 1);
+ fSDEDX[3] = CookdEdxAnalytical(low,up,useTot ,row1,row2, 1);
+ //
+ fNCDEDX[0] = TMath::Nint(GetTPCClustInfo(2, 1, i1 , i2));
+ fNCDEDX[1] = TMath::Nint(GetTPCClustInfo(2, 1, 0 , row0));
+ fNCDEDX[2] = TMath::Nint(GetTPCClustInfo(2, 1, row0, row1));
+ fNCDEDX[3] = TMath::Nint(GetTPCClustInfo(2, 1, row1, row2));
+ //
+ fNCDEDXInclThres[0] = TMath::Nint(GetTPCClustInfo(2, 2, i1 , i2));
+ fNCDEDXInclThres[1] = TMath::Nint(GetTPCClustInfo(2, 2, 0 , row0));
+ fNCDEDXInclThres[2] = TMath::Nint(GetTPCClustInfo(2, 2, row0, row1));
+ fNCDEDXInclThres[3] = TMath::Nint(GetTPCClustInfo(2, 2, row1, row2));
+ //
+ SetdEdx(fDEDX[0]);
+ return fDEDX[0];
+// return CookdEdxNorm(low,up,0,i1,i2,1,0,2);
- for (Int_t of =0; of<4; of++){
- for (Int_t i=of+i1;i<i2;i+=4)
- {
- Int_t index = fIndex[i];
- if (index<0||index&0x8000) continue;
-
- //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i);
- AliTPCTrackerPoint * point = GetTrackPoint(i);
- //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1);
- //AliTPCTrackerPoint * pointp = 0;
- //if (i<159) pointp = GetTrackPoint(i+1);
-
- if (point==0) continue;
- AliTPCclusterMI * cl = fClusterPointer[i];
- if (cl==0) continue;
- if (onlyused && (!cl->IsUsed(10))) continue;
- if (cl->IsUsed(11)) {
- fNShared++;
- continue;
- }
- Int_t type = cl->GetType();
- //if (point->fIsShared){
- // fNShared++;
- // continue;
- //}
- //if (pointm)
- // if (pointm->fIsShared) continue;
- //if (pointp)
- // if (pointp->fIsShared) continue;
-
- if (type<0) continue;
- //if (type>10) continue;
- //if (point->GetErrY()==0) continue;
- //if (point->GetErrZ()==0) continue;
-
- //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY();
- //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ();
- //if ((ddy*ddy+ddz*ddz)>10) continue;
-
-
- // if (point->GetCPoint().GetMax()<5) continue;
- if (cl->GetMax()<5) continue;
- Float_t angley = point->GetAngleY();
- Float_t anglez = point->GetAngleZ();
-
- Float_t rsigmay2 = point->GetSigmaY();
- Float_t rsigmaz2 = point->GetSigmaZ();
- /*
- Float_t ns = 1.;
- if (pointm){
- rsigmay += pointm->GetTPoint().GetSigmaY();
- rsigmaz += pointm->GetTPoint().GetSigmaZ();
- ns+=1.;
- }
- if (pointp){
- rsigmay += pointp->GetTPoint().GetSigmaY();
- rsigmaz += pointp->GetTPoint().GetSigmaZ();
- ns+=1.;
- }
- rsigmay/=ns;
- rsigmaz/=ns;
- */
-
- Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2);
-
- Float_t ampc = 0; // normalization to the number of electrons
- if (i>64){
- // ampc = 1.*point->GetCPoint().GetMax();
- ampc = 1.*cl->GetMax();
- //ampc = 1.*point->GetCPoint().GetQ();
- // AliTPCClusterPoint & p = point->GetCPoint();
- // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5);
- // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566;
- //Float_t dz =
- // TMath::Abs( Int_t(iz) - iz + 0.5);
- //ampc *= 1.15*(1-0.3*dy);
- //ampc *= 1.15*(1-0.3*dz);
- // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ()));
- //ampc *=zfactor;
- }
- else{
- //ampc = 1.0*point->GetCPoint().GetMax();
- ampc = 1.0*cl->GetMax();
- //ampc = 1.0*point->GetCPoint().GetQ();
- //AliTPCClusterPoint & p = point->GetCPoint();
- // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5);
- //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566;
- //Float_t dz =
- // TMath::Abs( Int_t(iz) - iz + 0.5);
-
- //ampc *= 1.15*(1-0.3*dy);
- //ampc *= 1.15*(1-0.3*dz);
- // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ()));
- //ampc *=zfactor;
- }
- ampc *= 2.0; // put mean value to channel 50
- //ampc *= 0.58; // put mean value to channel 50
- Float_t w = 1.;
- // if (type>0) w = 1./(type/2.-0.5);
- // Float_t z = TMath::Abs(cl->GetZ());
- if (i<64) {
- ampc /= 0.6;
- //ampc /= (1+0.0008*z);
- } else
- if (i>128){
- ampc /=1.5;
- //ampc /= (1+0.0008*z);
- }else{
- //ampc /= (1+0.0008*z);
- }
+// Float_t amp[200];
+// Float_t angular[200];
+// Float_t weight[200];
+// Int_t index[200];
+// //Int_t nc = 0;
+// Float_t meanlog = 100.;
+
+// Float_t mean[4] = {0,0,0,0};
+// Float_t sigma[4] = {1000,1000,1000,1000};
+// Int_t nc[4] = {0,0,0,0};
+// Float_t norm[4] = {1000,1000,1000,1000};
+// //
+// //
+// fNShared =0;
+
+// Float_t gainGG = 1;
+// if (AliTPCcalibDB::Instance()->GetParameters()){
+// gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000.; //relative gas gain
+// }
+
+
+// for (Int_t of =0; of<4; of++){
+// for (Int_t i=of+i1;i<i2;i+=4)
+// {
+// Int_t clindex = fIndex[i];
+// if (clindex<0||clindex&0x8000) continue;
+
+// //AliTPCTrackPoint * point = (AliTPCTrackPoint *) arr.At(i);
+// AliTPCTrackerPoint * point = GetTrackPoint(i);
+// //AliTPCTrackerPoint * pointm = GetTrackPoint(i-1);
+// //AliTPCTrackerPoint * pointp = 0;
+// //if (i<159) pointp = GetTrackPoint(i+1);
+
+// if (point==0) continue;
+// AliTPCclusterMI * cl = fClusterPointer[i];
+// if (cl==0) continue;
+// if (onlyused && (!cl->IsUsed(10))) continue;
+// if (cl->IsUsed(11)) {
+// fNShared++;
+// continue;
+// }
+// Int_t type = cl->GetType();
+// //if (point->fIsShared){
+// // fNShared++;
+// // continue;
+// //}
+// //if (pointm)
+// // if (pointm->fIsShared) continue;
+// //if (pointp)
+// // if (pointp->fIsShared) continue;
+
+// if (type<0) continue;
+// //if (type>10) continue;
+// //if (point->GetErrY()==0) continue;
+// //if (point->GetErrZ()==0) continue;
+
+// //Float_t ddy = (point->GetY()-cl->GetY())/point->GetErrY();
+// //Float_t ddz = (point->GetZ()-cl->GetZ())/point->GetErrZ();
+// //if ((ddy*ddy+ddz*ddz)>10) continue;
+
+
+// // if (point->GetCPoint().GetMax()<5) continue;
+// if (cl->GetMax()<5) continue;
+// Float_t angley = point->GetAngleY();
+// Float_t anglez = point->GetAngleZ();
+
+// Float_t rsigmay2 = point->GetSigmaY();
+// Float_t rsigmaz2 = point->GetSigmaZ();
+// /*
+// Float_t ns = 1.;
+// if (pointm){
+// rsigmay += pointm->GetTPoint().GetSigmaY();
+// rsigmaz += pointm->GetTPoint().GetSigmaZ();
+// ns+=1.;
+// }
+// if (pointp){
+// rsigmay += pointp->GetTPoint().GetSigmaY();
+// rsigmaz += pointp->GetTPoint().GetSigmaZ();
+// ns+=1.;
+// }
+// rsigmay/=ns;
+// rsigmaz/=ns;
+// */
+
+// Float_t rsigma = TMath::Sqrt(rsigmay2*rsigmaz2);
+
+// Float_t ampc = 0; // normalization to the number of electrons
+// if (i>64){
+// // ampc = 1.*point->GetCPoint().GetMax();
+// ampc = 1.*cl->GetMax();
+// //ampc = 1.*point->GetCPoint().GetQ();
+// // AliTPCClusterPoint & p = point->GetCPoint();
+// // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.6)) - TMath::Abs(p.GetY()/0.6)+0.5);
+// // Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566;
+// //Float_t dz =
+// // TMath::Abs( Int_t(iz) - iz + 0.5);
+// //ampc *= 1.15*(1-0.3*dy);
+// //ampc *= 1.15*(1-0.3*dz);
+// // Float_t zfactor = (AliTPCReconstructor::GetCtgRange()-0.0004*TMath::Abs(point->GetCPoint().GetZ()));
+// //ampc *=zfactor;
+// }
+// else{
+// //ampc = 1.0*point->GetCPoint().GetMax();
+// ampc = 1.0*cl->GetMax();
+// //ampc = 1.0*point->GetCPoint().GetQ();
+// //AliTPCClusterPoint & p = point->GetCPoint();
+// // Float_t dy = TMath::Abs(Int_t( TMath::Abs(p.GetY()/0.4)) - TMath::Abs(p.GetY()/0.4)+0.5);
+// //Float_t iz = (250.0-TMath::Abs(p.GetZ())+0.11)/0.566;
+// //Float_t dz =
+// // TMath::Abs( Int_t(iz) - iz + 0.5);
+
+// //ampc *= 1.15*(1-0.3*dy);
+// //ampc *= 1.15*(1-0.3*dz);
+// // Float_t zfactor = (1.02-0.000*TMath::Abs(point->GetCPoint().GetZ()));
+// //ampc *=zfactor;
+
+// }
+// ampc *= 2.0; // put mean value to channel 50
+// //ampc *= 0.58; // put mean value to channel 50
+// Float_t w = 1.;
+// // if (type>0) w = 1./(type/2.-0.5);
+// // Float_t z = TMath::Abs(cl->GetZ());
+// if (i<64) {
+// ampc /= 0.6;
+// //ampc /= (1+0.0008*z);
+// } else
+// if (i>128){
+// ampc /=1.5;
+// //ampc /= (1+0.0008*z);
+// }else{
+// //ampc /= (1+0.0008*z);
+// }
- if (type<0) { //amp at the border - lower weight
- // w*= 2.;
+// if (type<0) { //amp at the border - lower weight
+// // w*= 2.;
- continue;
- }
- if (rsigma>1.5) ampc/=1.3; // if big backround
- amp[nc[of]] = ampc;
- amp[nc[of]] /=gainGG;
- angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez);
- weight[nc[of]] = w;
- nc[of]++;
- }
+// continue;
+// }
+// if (rsigma>1.5) ampc/=1.3; // if big backround
+// amp[nc[of]] = ampc;
+// amp[nc[of]] /=gainGG;
+// angular[nc[of]] = TMath::Sqrt(1.+angley*angley+anglez*anglez);
+// weight[nc[of]] = w;
+// nc[of]++;
+// }
- TMath::Sort(nc[of],amp,index,kFALSE);
- Float_t sumamp=0;
- Float_t sumamp2=0;
- Float_t sumw=0;
- //meanlog = amp[index[Int_t(nc[of]*0.33)]];
- meanlog = 50;
- for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){
- Float_t ampl = amp[index[i]]/angular[index[i]];
- ampl = meanlog*TMath::Log(1.+ampl/meanlog);
- //
- sumw += weight[index[i]];
- sumamp += weight[index[i]]*ampl;
- sumamp2 += weight[index[i]]*ampl*ampl;
- norm[of] += angular[index[i]]*weight[index[i]];
- }
- if (sumw<1){
- SetdEdx(0);
- }
- else {
- norm[of] /= sumw;
- mean[of] = sumamp/sumw;
- sigma[of] = sumamp2/sumw-mean[of]*mean[of];
- if (sigma[of]>0.1)
- sigma[of] = TMath::Sqrt(sigma[of]);
- else
- sigma[of] = 1000;
+// TMath::Sort(nc[of],amp,index,kFALSE);
+// Float_t sumamp=0;
+// Float_t sumamp2=0;
+// Float_t sumw=0;
+// //meanlog = amp[index[Int_t(nc[of]*0.33)]];
+// meanlog = 50;
+// for (Int_t i=int(nc[of]*low+0.5);i<int(nc[of]*up+0.5);i++){
+// Float_t ampl = amp[index[i]]/angular[index[i]];
+// ampl = meanlog*TMath::Log(1.+ampl/meanlog);
+// //
+// sumw += weight[index[i]];
+// sumamp += weight[index[i]]*ampl;
+// sumamp2 += weight[index[i]]*ampl*ampl;
+// norm[of] += angular[index[i]]*weight[index[i]];
+// }
+// if (sumw<1){
+// SetdEdx(0);
+// }
+// else {
+// norm[of] /= sumw;
+// mean[of] = sumamp/sumw;
+// sigma[of] = sumamp2/sumw-mean[of]*mean[of];
+// if (sigma[of]>0.1)
+// sigma[of] = TMath::Sqrt(sigma[of]);
+// else
+// sigma[of] = 1000;
- mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog;
- //mean *=(1-0.02*(sigma/(mean*0.17)-1.));
- //mean *=(1-0.1*(norm-1.));
- }
- }
-
- Float_t dedx =0;
- fSdEdx =0;
- fMAngular =0;
- // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1));
- // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1));
+// mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog;
+// //mean *=(1-0.02*(sigma/(mean*0.17)-1.));
+// //mean *=(1-0.1*(norm-1.));
+// }
+// }
+
+// Float_t dedx =0;
+// fSdEdx =0;
+// fMAngular =0;
+// // mean[0]*= (1-0.05*(sigma[0]/(0.01+mean[1]*0.18)-1));
+// // mean[1]*= (1-0.05*(sigma[1]/(0.01+mean[0]*0.18)-1));
- // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/
- // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1])));
-
- Int_t norm2 = 0;
- Int_t norm3 = 0;
- for (Int_t i =0;i<4;i++){
- if (nc[i]>2&&nc[i]<1000){
- dedx += mean[i] *nc[i];
- fSdEdx += sigma[i]*(nc[i]-2);
- fMAngular += norm[i] *nc[i];
- norm2 += nc[i];
- norm3 += nc[i]-2;
- }
- fDEDX[i] = mean[i];
- fSDEDX[i] = sigma[i];
- fNCDEDX[i]= nc[i];
- }
-
- if (norm3>0){
- dedx /=norm2;
- fSdEdx /=norm3;
- fMAngular/=norm2;
- }
- else{
- SetdEdx(0);
- return 0;
- }
- // Float_t dedx1 =dedx;
- /*
- dedx =0;
- for (Int_t i =0;i<4;i++){
- if (nc[i]>2&&nc[i]<1000){
- mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.));
- dedx += mean[i] *nc[i];
- }
- fDEDX[i] = mean[i];
- }
- dedx /= norm2;
- */
+// // dedx = (mean[0]* TMath::Sqrt((1.+nc[0]))+ mean[1]* TMath::Sqrt((1.+nc[1])) )/
+// // ( TMath::Sqrt((1.+nc[0]))+TMath::Sqrt((1.+nc[1])));
+
+// Int_t norm2 = 0;
+// Int_t norm3 = 0;
+// for (Int_t i =0;i<4;i++){
+// if (nc[i]>2&&nc[i]<1000){
+// dedx += mean[i] *nc[i];
+// fSdEdx += sigma[i]*(nc[i]-2);
+// fMAngular += norm[i] *nc[i];
+// norm2 += nc[i];
+// norm3 += nc[i]-2;
+// }
+// fDEDX[i] = mean[i];
+// fSDEDX[i] = sigma[i];
+// fNCDEDX[i]= nc[i];
+// }
+
+// if (norm3>0){
+// dedx /=norm2;
+// fSdEdx /=norm3;
+// fMAngular/=norm2;
+// }
+// else{
+// SetdEdx(0);
+// return 0;
+// }
+// // Float_t dedx1 =dedx;
+// /*
+// dedx =0;
+// for (Int_t i =0;i<4;i++){
+// if (nc[i]>2&&nc[i]<1000){
+// mean[i] = mean[i]*(1-0.12*(sigma[i]/(fSdEdx)-1.));
+// dedx += mean[i] *nc[i];
+// }
+// fDEDX[i] = mean[i];
+// }
+// dedx /= norm2;
+// */
- SetdEdx(dedx);
- return dedx;
-}
-Double_t AliTPCseed::Bethe(Double_t bg){
- //
- // This is the Bethe-Bloch function normalised to 1 at the minimum
- //
- Double_t bg2=bg*bg;
- Double_t bethe;
- if (bg<3.5e1)
- bethe=(1.+ bg2)/bg2*(log(5940*bg2) - bg2/(1.+ bg2));
- else // Density effect ( approximately :)
- bethe=1.15*(1.+ bg2)/bg2*(log(3.5*5940*bg) - bg2/(1.+ bg2));
- return bethe/11.091;
+// SetdEdx(dedx);
+// return dedx;
}
void AliTPCseed::CookPID()
Double_t mass=AliPID::ParticleMass(j);
Double_t mom=GetP();
Double_t dedx=fdEdx/fMIP;
- Double_t bethe=Bethe(mom/mass);
+ Double_t bethe=AliMathBase::BetheBlochAleph(mom/mass);
Double_t sigma=fRes*bethe;
if (sigma>0.001){
if (TMath::Abs(dedx-bethe) > fRange*sigma) {
}
}
-/*
-void AliTPCseed::CookdEdx2(Double_t low, Double_t up) {
- //-----------------------------------------------------------------
- // This funtion calculates dE/dX within the "low" and "up" cuts.
- //-----------------------------------------------------------------
-
- Float_t amp[200];
- Float_t angular[200];
- Float_t weight[200];
- Int_t index[200];
- Bool_t inlimit[200];
- for (Int_t i=0;i<200;i++) inlimit[i]=kFALSE;
- for (Int_t i=0;i<200;i++) amp[i]=10000;
- for (Int_t i=0;i<200;i++) angular[i]= 1;;
-
-
- //
- Float_t meanlog = 100.;
- Int_t indexde[4]={0,64,128,160};
-
- Float_t amean =0;
- Float_t asigma =0;
- Float_t anc =0;
- Float_t anorm =0;
-
- Float_t mean[4] = {0,0,0,0};
- Float_t sigma[4] = {1000,1000,1000,1000};
- Int_t nc[4] = {0,0,0,0};
- Float_t norm[4] = {1000,1000,1000,1000};
- //
- //
- fNShared =0;
-
- // for (Int_t of =0; of<3; of++){
- // for (Int_t i=indexde[of];i<indexde[of+1];i++)
- for (Int_t i =0; i<160;i++)
- {
- AliTPCTrackPoint * point = GetTrackPoint(i);
- if (point==0) continue;
- if (point->fIsShared){
- fNShared++;
- continue;
- }
- Int_t type = point->GetCPoint().GetType();
- if (type<0) continue;
- if (point->GetCPoint().GetMax()<5) continue;
- Float_t angley = point->GetTPoint().GetAngleY();
- Float_t anglez = point->GetTPoint().GetAngleZ();
- Float_t rsigmay = point->GetCPoint().GetSigmaY();
- Float_t rsigmaz = point->GetCPoint().GetSigmaZ();
- Float_t rsigma = TMath::Sqrt(rsigmay*rsigmaz);
-
- Float_t ampc = 0; // normalization to the number of electrons
- if (i>64){
- ampc = point->GetCPoint().GetMax();
- }
- else{
- ampc = point->GetCPoint().GetMax();
- }
- ampc *= 2.0; // put mean value to channel 50
- // ampc *= 0.565; // put mean value to channel 50
-
- Float_t w = 1.;
- Float_t z = TMath::Abs(point->GetCPoint().GetZ());
- if (i<64) {
- ampc /= 0.63;
- } else
- if (i>128){
- ampc /=1.51;
- }
- if (type<0) { //amp at the border - lower weight
- continue;
- }
- if (rsigma>1.5) ampc/=1.3; // if big backround
- angular[i] = TMath::Sqrt(1.+angley*angley+anglez*anglez);
- amp[i] = ampc/angular[i];
- weight[i] = w;
- anc++;
- }
-
- TMath::Sort(159,amp,index,kFALSE);
- for (Int_t i=int(anc*low+0.5);i<int(anc*up+0.5);i++){
- inlimit[index[i]] = kTRUE; // take all clusters
- }
-
- // meanlog = amp[index[Int_t(anc*0.3)]];
- meanlog =10000.;
- for (Int_t of =0; of<3; of++){
- Float_t sumamp=0;
- Float_t sumamp2=0;
- Float_t sumw=0;
- for (Int_t i=indexde[of];i<indexde[of+1];i++)
- {
- if (inlimit[i]==kFALSE) continue;
- Float_t ampl = amp[i];
- ///angular[i];
- ampl = meanlog*TMath::Log(1.+ampl/meanlog);
- //
- sumw += weight[i];
- sumamp += weight[i]*ampl;
- sumamp2 += weight[i]*ampl*ampl;
- norm[of] += angular[i]*weight[i];
- nc[of]++;
- }
- if (sumw<1){
- SetdEdx(0);
- }
- else {
- norm[of] /= sumw;
- mean[of] = sumamp/sumw;
- sigma[of] = sumamp2/sumw-mean[of]*mean[of];
- if (sigma[of]>0.1)
- sigma[of] = TMath::Sqrt(sigma[of]);
- else
- sigma[of] = 1000;
- mean[of] = (TMath::Exp(mean[of]/meanlog)-1)*meanlog;
- }
- }
-
- Float_t dedx =0;
- fSdEdx =0;
- fMAngular =0;
- //
- Int_t norm2 = 0;
- Int_t norm3 = 0;
- Float_t www[3] = {12.,14.,17.};
- //Float_t www[3] = {1.,1.,1.};
-
- for (Int_t i =0;i<3;i++){
- if (nc[i]>2&&nc[i]<1000){
- dedx += mean[i] *nc[i]*www[i]/sigma[i];
- fSdEdx += sigma[i]*(nc[i]-2)*www[i]/sigma[i];
- fMAngular += norm[i] *nc[i];
- norm2 += nc[i]*www[i]/sigma[i];
- norm3 += (nc[i]-2)*www[i]/sigma[i];
- }
- fDEDX[i] = mean[i];
- fSDEDX[i] = sigma[i];
- fNCDEDX[i]= nc[i];
- }
-
- if (norm3>0){
- dedx /=norm2;
- fSdEdx /=norm3;
- fMAngular/=norm2;
- }
- else{
- SetdEdx(0);
- return;
- }
- // Float_t dedx1 =dedx;
-
- dedx =0;
- Float_t norm4 = 0;
- for (Int_t i =0;i<3;i++){
- if (nc[i]>2&&nc[i]<1000&&sigma[i]>3){
- //mean[i] = mean[i]*(1+0.08*(sigma[i]/(fSdEdx)-1.));
- dedx += mean[i] *(nc[i])/(sigma[i]);
- norm4 += (nc[i])/(sigma[i]);
- }
- fDEDX[i] = mean[i];
- }
- if (norm4>0) dedx /= norm4;
-
-
-
- SetdEdx(dedx);
-
- //mi deDX
-
-}
-*/
Double_t AliTPCseed::GetYat(Double_t xk) const {
//-----------------------------------------------------------------
// This function calculates the Y-coordinate of a track at the plane x=xk.
//-----------------------------------------------------------------
if (TMath::Abs(GetSnp())>AliTPCReconstructor::GetMaxSnpTrack()) return 0.; //patch 01 jan 06
- Double_t c1=GetSnp(), r1=TMath::Sqrt(1.- c1*c1);
+ Double_t c1=GetSnp(), r1=TMath::Sqrt((1.-c1)*(1.+c1));
Double_t c2=c1+GetC()*(xk-GetX());
if (TMath::Abs(c2)>AliTPCReconstructor::GetMaxSnpTrack()) return 0;
- Double_t r2=TMath::Sqrt(1.- c2*c2);
+ Double_t r2=TMath::Sqrt((1.-c2)*(1.+c2));
return GetY() + (xk-GetX())*(c1+c2)/(r1+r2);
}
-void AliTPCseed::SetClusterMapBit(int ibit, Bool_t state)
-{
- fClusterMap[ibit] = state;
-}
-Bool_t AliTPCseed::GetClusterMapBit(int ibit)
-{
- return fClusterMap[ibit];
-}
-void AliTPCseed::SetSharedMapBit(int ibit, Bool_t state)
-{
- fSharedMap[ibit] = state;
-}
-Bool_t AliTPCseed::GetSharedMapBit(int ibit)
-{
- return fSharedMap[ibit];
-}
-
-
-
-Float_t AliTPCseed::CookdEdxNorm(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, AliTPCCalPad * gainMap, Bool_t posNorm, Bool_t padNorm){
+Float_t AliTPCseed::CookdEdxNorm(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Bool_t shapeNorm,Int_t posNorm, Int_t padNorm, Int_t returnVal){
//
// calculates dedx using the cluster
// type - 1 - max charge or 0- total charge in cluster
// //2- max no corr 3- total+ correction
// i1-i2 - the pad-row range used for calculation
- //
+ // shapeNorm - kTRUE -taken from OCDB
+ //
+ // posNorm - usage of pos normalization
+ // padNorm - pad type normalization
+ // returnVal - 0 return mean
+ // - 1 return RMS
+ // - 2 return number of clusters
+ //
// normalization parametrization taken from AliTPCClusterParam
//
- AliTPCClusterParam * parcl = AliTPCClusterParam::Instance();
- if (!parcl) parcl = AliTPCcalibDB::Instance()->GetClusterParam();
- if (!parcl) return 0;
+ AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam();
+ AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters();
+ if (!parcl) return 0;
+ if (!param) return 0;
+ Int_t row0 = param->GetNRowLow();
+ Int_t row1 = row0+param->GetNRowUp1();
+
Float_t amp[160];
Int_t indexes[160];
Int_t ncl=0;
//
//
- Float_t gainGG = 1;
+ Float_t gainGG = 1; // gas gain factor -always enabled
+ Float_t gainPad = 1; // gain map - used always
+ Float_t corrShape = 1; // correction due angular effect, diffusion and electron attachment
+ Float_t corrPos = 1; // local position correction - if posNorm enabled
+ Float_t corrPadType = 1; // pad type correction - if padNorm enabled
+ Float_t corrNorm = 1; // normalization factor - set Q to channel 50
+ //
+ //
+ //
if (AliTPCcalibDB::Instance()->GetParameters()){
- gainGG= 20000./AliTPCcalibDB::Instance()->GetParameters()->GetGasGain(); //relative gas gain
+ gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain
}
const Float_t ktany = TMath::Tan(TMath::DegToRad()*10);
if (!cluster) continue;
if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster
Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ();
- if (!gainMap) gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor();
- if (gainMap) {
+ Int_t ipad= 0;
+ if (irow>=row0) ipad=1;
+ if (irow>=row1) ipad=2;
+ //
+ //
+ //
+ AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor();
+ if (gainMap) {
+ //
+ // Get gainPad - pad by pad calibration
+ //
Float_t factor = 1;
AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector());
- if (irow < 63) { // IROC
- factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad()))*1.55;
+ if (irow < row0) { // IROC
+ factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad()));
} else { // OROC
- factor = roc->GetValue(irow - 63, TMath::Nint(cluster->GetPad()));
+ factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad()));
+ }
+ if (factor>0.5) gainPad=factor;
+ }
+ //
+ //do position and angular normalization
+ //
+ if (shapeNorm){
+ if (type<=1){
+ //
+ AliTPCTrackerPoint * point = GetTrackPoint(irow);
+ Float_t ty = TMath::Abs(point->GetAngleY());
+ Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty));
+
+ Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.;
+ corrShape = parcl->Qnorm(ipad,type,dr,ty,tz);
}
- if (factor>0.5) charge/=factor;
}
- //do normalization
- Float_t corr=1;
- Int_t ipad= 0;
- if (irow>62) ipad=1;
- if (irow>127) ipad=2;
- if (type<=1){
- //
+ if (posNorm>0){
+ //
+ // Do position normalization - relative distance to
+ // center of pad- time bin
+ // Work in progress
+ // corrPos = parcl->QnormPos(ipad,type, cluster->GetPad(),
+ // cluster->GetTimeBin(), cluster->GetZ(),
+ // cluster->GetSigmaY2(),cluster->GetSigmaZ2(),
+ // cluster->GetMax(),cluster->GetQ());
+ // scaled response function
+ Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector());
+ Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth();
+ //
+
AliTPCTrackerPoint * point = GetTrackPoint(irow);
Float_t ty = TMath::Abs(point->GetAngleY());
- Float_t tz = TMath::Abs(point->GetAngleZ());
+ Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty));
- Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.;
- corr = parcl->Qnorm(ipad,type,dr,ty,tz);
- }
- amp[ncl]=charge/corr;
- amp[ncl]/=gainGG;
- if (posNorm){
- //
- //
- //
- corr = parcl->QnormPos(ipad,type, cluster->GetPad(),cluster->GetTimeBin(), cluster->GetZ(),
- cluster->GetSigmaY2(),cluster->GetSigmaZ2(),cluster->GetMax(),cluster->GetQ());
- amp[ncl]/=corr;
+ if (type==1) corrPos =
+ parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(),
+ cluster->GetTimeBin(),ty,tz,yres0,zres0,0.4);
+ if (type==0) corrPos =
+ parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(),
+ cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,0.4);
+ if (posNorm==3){
+ Float_t dr = (250.-TMath::Abs(cluster->GetZ()))/250.;
+ Double_t signtgl = (cluster->GetZ()*point->GetAngleZ()>0)? 1:-1;
+ Double_t p2 = TMath::Abs(TMath::Sin(TMath::ATan(ty)));
+ Float_t corrHis = parcl->QnormHis(ipad,type,dr,p2,TMath::Abs(point->GetAngleZ())*signtgl);
+ if (corrHis>0) corrPos*=corrHis;
+ }
+
}
+ if (padNorm==1){
+ //taken from OCDB
+ if (type==0 && parcl->QpadTnorm()) corrPadType = (*parcl->QpadTnorm())[ipad];
+ if (type==1 && parcl->QpadMnorm()) corrPadType = (*parcl->QpadMnorm())[ipad];
- amp[ncl] *= 2.0; // put mean value to channel 50
- if (padNorm){
- corr=1;
- if (type==0 && parcl->fQpadTnorm) corr = (*parcl->fQpadTnorm)[ipad];
- if (type==1 && parcl->fQpadTnorm) corr = (*parcl->fQpadMnorm)[ipad];
- amp[ncl]/=corr;
}
-
- // if (ipad==0) {
-// amp[ncl] /= 0.65; // this we will take form OCDB
-// } else
-// if (ipad==2){
-// amp[ncl] /=1.57;
-// }else{
-// }
+ if (padNorm==2){
+ corrPadType =param->GetPadPitchLength(cluster->GetDetector(),cluster->GetRow());
+ //use hardwired - temp fix
+ if (type==0) corrNorm=3.;
+ if (type==1) corrNorm=1.;
+ }
+ //
+ amp[ncl]=charge;
+ amp[ncl]/=gainGG;
+ amp[ncl]/=gainPad;
+ amp[ncl]/=corrShape;
+ amp[ncl]/=corrPadType;
+ amp[ncl]/=corrPos;
+ amp[ncl]/=corrNorm;
+ //
ncl++;
}
if (ncl<10) return 0;
Float_t suma=0;
+ Float_t suma2=0;
Float_t sumn=0;
Int_t icl0=TMath::Nint(ncl*low);
Int_t icl1=TMath::Nint(ncl*up);
for (Int_t icl=icl0; icl<icl1;icl++){
suma+=amp[indexes[icl]];
+ suma2+=amp[indexes[icl]]*amp[indexes[icl]];
sumn++;
}
- return suma/sumn;
-
+ Float_t mean =suma/sumn;
+ Float_t rms =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean));
+ //
+ // do time-dependent correction for pressure and temperature variations
+ UInt_t runNumber = 1;
+ Float_t corrTimeGain = 1;
+ AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform();
+ const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam();
+ if (trans && recoParam->GetUseGainCorrectionTime()>0) {
+ runNumber = trans->GetCurrentRunNumber();
+ //AliTPCcalibDB::Instance()->SetRun(runNumber);
+ TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber);
+ if (timeGainSplines) {
+ UInt_t time = trans->GetCurrentTimeStamp();
+ AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0);
+ AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1);
+ if (fitMIP) {
+ corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time);/*fitMIP->Eval(time);*/
+ } else {
+ if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time);/*fitFPcosmic->Eval(time);*/
+ }
+ }
+ }
+ mean /= corrTimeGain;
+ rms /= corrTimeGain;
+ //
+ if (returnVal==1) return rms;
+ if (returnVal==2) return ncl;
+ return mean;
}
-Double_t AliTPCseed::BetheMass(Double_t mass){
+Float_t AliTPCseed::CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, Int_t i1, Int_t i2, Int_t returnVal, Int_t rowThres, Int_t mode){
+
//
- // return bethe-bloch
+ // calculates dedx using the cluster
+ // low - up specify trunc mean range - default form 0-0.7
+ // type - 1 - max charge or 0- total charge in cluster
+ // //2- max no corr 3- total+ correction
+ // i1-i2 - the pad-row range used for calculation
+ //
+ // posNorm - usage of pos normalization
+ // returnVal - 0 return mean
+ // - 1 return RMS
+ // - 2 return number of clusters
+ // - 3 ratio
+ // - 4 mean upper half
+ // - 5 mean - lower half
+ // - 6 third moment
+ // mode - 0 - linear
+ // - 1 - logatithmic
+ // rowThres - number of rows before and after given pad row to check for clusters below threshold
+ //
+ // normalization parametrization taken from AliTPCClusterParam
//
- Float_t bg= P()/mass;
- const Double_t kp1=0.76176e-1;
- const Double_t kp2=10.632;
- const Double_t kp3=0.13279e-4;
- const Double_t kp4=1.8631;
- const Double_t kp5=1.9479;
+ AliTPCClusterParam * parcl = AliTPCcalibDB::Instance()->GetClusterParam();
+ AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters();
+ if (!parcl) return 0;
+ if (!param) return 0;
+ Int_t row0 = param->GetNRowLow();
+ Int_t row1 = row0+param->GetNRowUp1();
- Double_t dbg = (Double_t) bg;
+ Float_t amp[160];
+ Int_t indexes[160];
+ Int_t ncl=0;
+ Int_t nclBelowThr = 0; // counts number of clusters below threshold
+ //
+ //
+ Float_t gainGG = 1; // gas gain factor -always enabled
+ Float_t gainPad = 1; // gain map - used always
+ Float_t corrPos = 1; // local position correction - if posNorm enabled
+ //
+ //
+ //
+ if (AliTPCcalibDB::Instance()->GetParameters()){
+ gainGG= AliTPCcalibDB::Instance()->GetParameters()->GetGasGain()/20000; //relative gas gain
+ }
+ //
+ // extract time-dependent correction for pressure and temperature variations
+ //
+ UInt_t runNumber = 1;
+ Float_t corrTimeGain = 1;
+ TObjArray * timeGainSplines = 0x0;
+ TGraphErrors * grPadEqual = 0x0;
+ TGraphErrors* grChamberGain[3]={0x0,0x0,0x0};
+ //
+ AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform();
+ const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam();
+ //
+ if (recoParam->GetNeighborRowsDedx() == 0) rowThres = 0;
+ //
+ if (trans) {
+ runNumber = trans->GetCurrentRunNumber();
+ //AliTPCcalibDB::Instance()->SetRun(runNumber);
+ timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber);
+ if (timeGainSplines && recoParam->GetUseGainCorrectionTime()>0) {
+ UInt_t time = trans->GetCurrentTimeStamp();
+ AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0);
+ AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1);
+ if (fitMIP) {
+ corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitMIP, time); /*fitMIP->Eval(time);*/
+ } else {
+ if (fitFPcosmic) corrTimeGain = AliTPCcalibDButil::EvalGraphConst(fitFPcosmic, time); /*fitFPcosmic->Eval(time); */
+ }
+ //
+ if (type==1) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQMAX_PADREGIONGAIN_BEAM_ALL");
+ if (type==0) grPadEqual = (TGraphErrors * ) timeGainSplines->FindObject("TGRAPHERRORS_MEANQTOT_PADREGIONGAIN_BEAM_ALL");
+ const char* names[3]={"SHORT","MEDIUM","LONG"};
+ for (Int_t iPadRegion=0; iPadRegion<3; ++iPadRegion)
+ grChamberGain[iPadRegion]=(TGraphErrors*)timeGainSplines->FindObject(Form("TGRAPHERRORS_MEAN_CHAMBERGAIN_%s_BEAM_ALL",names[iPadRegion]));
+ }
+ }
+
+ const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam
+ const Float_t ktany = TMath::Tan(TMath::DegToRad()*10);
+ const Float_t kedgey =3.;
+ //
+ //
+ for (Int_t irow=i1; irow<i2; irow++){
+ AliTPCclusterMI* cluster = GetClusterPointer(irow);
+ if (!cluster && irow > 1 && irow < 157) {
+ Bool_t isClBefore = kFALSE;
+ Bool_t isClAfter = kFALSE;
+ for(Int_t ithres = 1; ithres <= rowThres; ithres++) {
+ AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres);
+ if (clusterBefore) isClBefore = kTRUE;
+ AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres);
+ if (clusterAfter) isClAfter = kTRUE;
+ }
+ if (isClBefore && isClAfter) nclBelowThr++;
+ }
+ if (!cluster) continue;
+ //
+ //
+ if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster
+ //
+ AliTPCTrackerPoint * point = GetTrackPoint(irow);
+ if (point==0) continue;
+ Float_t rsigmay = TMath::Sqrt(point->GetSigmaY());
+ if (rsigmay > kClusterShapeCut) continue;
+ //
+ if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb
+ //
+ Float_t charge= (type%2)? cluster->GetMax():cluster->GetQ();
+ Int_t ipad= 0;
+ if (irow>=row0) ipad=1;
+ if (irow>=row1) ipad=2;
+ //
+ //
+ //
+ AliTPCCalPad * gainMap = AliTPCcalibDB::Instance()->GetDedxGainFactor();
+ if (gainMap) {
+ //
+ // Get gainPad - pad by pad calibration
+ //
+ Float_t factor = 1;
+ AliTPCCalROC * roc = gainMap->GetCalROC(cluster->GetDetector());
+ if (irow < row0) { // IROC
+ factor = roc->GetValue(irow, TMath::Nint(cluster->GetPad()));
+ } else { // OROC
+ factor = roc->GetValue(irow - row0, TMath::Nint(cluster->GetPad()));
+ }
+ if (factor>0.3) gainPad=factor;
+ }
+ //
+ // Do position normalization - relative distance to
+ // center of pad- time bin
+
+ Float_t ty = TMath::Abs(point->GetAngleY());
+ Float_t tz = TMath::Abs(point->GetAngleZ()*TMath::Sqrt(1+ty*ty));
+ Float_t yres0 = parcl->GetRMS0(0,ipad,0,0)/param->GetPadPitchWidth(cluster->GetDetector());
+ Float_t zres0 = parcl->GetRMS0(1,ipad,0,0)/param->GetZWidth();
+
+ yres0 *=parcl->GetQnormCorr(ipad, type,0);
+ zres0 *=parcl->GetQnormCorr(ipad, type,1);
+ Float_t effLength=parcl->GetQnormCorr(ipad, type,4)*0.5;
+ Float_t effDiff =(parcl->GetQnormCorr(ipad, type,2)+parcl->GetQnormCorr(ipad, type,3))*0.5;
+ //
+ if (type==1) {
+ corrPos = parcl->GetQnormCorr(ipad, type,5)*
+ parcl->QmaxCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(),
+ cluster->GetTimeBin(),ty,tz,yres0,zres0,effLength,effDiff);
+ Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz);
+ //
+ }
+ if (type==0) {
+ corrPos = parcl->GetQnormCorr(ipad, type,5)*
+ parcl->QtotCorrection(cluster->GetDetector(), cluster->GetRow(),cluster->GetPad(),
+ cluster->GetTimeBin(),ty,tz,yres0,zres0,cluster->GetQ(),2.5,effLength,effDiff);
+
+ Float_t drm = 0.5-TMath::Abs(cluster->GetZ()/250.);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,0)*drm);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,1)*ty*ty);
+ corrPos*=(1+parcl->GetQnormCorr(ipad, type+2,2)*tz*tz);
+ //
+ }
+ //
+ // pad region equalization outside of cluster param
+ //
+ Float_t gainEqualPadRegion = 1;
+ if (grPadEqual && recoParam->GetUseGainCorrectionTime()>0) gainEqualPadRegion = grPadEqual->Eval(ipad);
+ //
+ // chamber-by-chamber equalization outside gain map
+ //
+ Float_t gainChamber = 1;
+ if (grChamberGain[ipad] && recoParam->GetUseGainCorrectionTime()>0) gainChamber = grChamberGain[ipad]->Eval(cluster->GetDetector());
+ //
+ amp[ncl]=charge;
+ amp[ncl]/=gainGG;
+ amp[ncl]/=gainPad;
+ amp[ncl]/=corrPos;
+ amp[ncl]/=gainEqualPadRegion;
+ amp[ncl]/=gainChamber;
+ //
+ ncl++;
+ }
+
+ if (type==2) return ncl;
+ TMath::Sort(ncl,amp, indexes, kFALSE);
+ //
+ if (ncl<10) return 0;
+ //
+ Double_t * ampWithBelow = new Double_t[ncl + nclBelowThr];
+ for(Int_t iCl = 0; iCl < ncl + nclBelowThr; iCl++) {
+ if (iCl < nclBelowThr) {
+ ampWithBelow[iCl] = amp[indexes[0]];
+ } else {
+ ampWithBelow[iCl] = amp[indexes[iCl - nclBelowThr]];
+ }
+ }
+ //printf("DEBUG: %i shit %f", nclBelowThr, amp[indexes[0]]);
+ //
+ Float_t suma=0;
+ Float_t suma2=0;
+ Float_t suma3=0;
+ Float_t sumaS=0;
+ Float_t sumn=0;
+ // upper,and lower part statistic
+ Float_t sumL=0, sumL2=0, sumLN=0;
+ Float_t sumD=0, sumD2=0, sumDN=0;
+
+ Int_t icl0=TMath::Nint((ncl + nclBelowThr)*low);
+ Int_t icl1=TMath::Nint((ncl + nclBelowThr)*up);
+ Int_t iclm=TMath::Nint((ncl + nclBelowThr)*(low +(up+low)*0.5));
+ //
+ for (Int_t icl=icl0; icl<icl1;icl++){
+ if (ampWithBelow[icl]<0.1) continue;
+ Double_t camp=ampWithBelow[icl]/corrTimeGain;
+ if (mode==1) camp= TMath::Log(camp);
+ if (icl<icl1){
+ suma+=camp;
+ suma2+=camp*camp;
+ suma3+=camp*camp*camp;
+ sumaS+=TMath::Power(TMath::Abs(camp),1./3.);
+ sumn++;
+ }
+ if (icl>iclm){
+ sumL+=camp;
+ sumL2+=camp*camp;
+ sumLN++;
+ }
+ if (icl<=iclm){
+ sumD+=camp;
+ sumD2+=camp*camp;
+ sumDN++;
+ }
+ }
+ //
+ Float_t mean = 0;
+ Float_t meanL = 0;
+ Float_t meanD = 0; // lower half mean
+ if (sumn > 1e-30) mean =suma/sumn;
+ if (sumLN > 1e-30) meanL =sumL/sumLN;
+ if (sumDN > 1e-30) meanD =(sumD/sumDN);
+ /*
+ Float_t mean =suma/sumn;
+ Float_t meanL = sumL/sumLN;
+ Float_t meanD =(sumD/sumDN); // lower half mean
+ */
- Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
+ Float_t rms = 0;
+ Float_t mean2=0;
+ Float_t mean3=0;
+ Float_t meanS=0;
- Double_t aa = TMath::Power(beta,kp4);
- Double_t bb = TMath::Power(1./dbg,kp5);
+ if(sumn>0){
+ rms = TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean));
+ mean2=suma2/sumn;
+ mean3=suma3/sumn;
+ meanS=sumaS/sumn;
+ }
- bb=TMath::Log(kp3+bb);
+ if (mean2>0) mean2=TMath::Power(TMath::Abs(mean2),1./2.);
+ if (mean3>0) mean3=TMath::Power(TMath::Abs(mean3),1./3.);
+ if (meanS>0) meanS=TMath::Power(TMath::Abs(meanS),3.);
+ //
+ if (mode==1) mean=TMath::Exp(mean);
+ if (mode==1) meanL=TMath::Exp(meanL); // upper truncation
+ if (mode==1) meanD=TMath::Exp(meanD); // lower truncation
+ //
+ delete [] ampWithBelow;
- return ((Float_t)((kp2-aa-bb)*kp1/aa));
+
+ //
+ if (returnVal==1) return rms;
+ if (returnVal==2) return ncl;
+ if (returnVal==3) return Double_t(nclBelowThr)/Double_t(nclBelowThr+ncl);
+ if (returnVal==4) return meanL;
+ if (returnVal==5) return meanD;
+ if (returnVal==6) return mean2;
+ if (returnVal==7) return mean3;
+ if (returnVal==8) return meanS;
+ return mean;
}
+
+
Float_t AliTPCseed::CookShape(Int_t type){
//
//
Int_t imin=158, imax=0;
for (Int_t i=0;i<160;i++) {
AliTPCclusterMI *c=track->GetClusterPointer(i);
- if (!c) continue;
+ if (!c || (track->GetClusterIndex(i) & 0x8000)) continue;
if (sector<0) sector = c->GetDetector();
if (c->GetX()<xmin) xmin=c->GetX();
if (c->GetX()>xmax) xmax=c->GetX();
//
for (Int_t i=imin; i<=imax; i++){
AliTPCclusterMI *c=track->GetClusterPointer(i);
- if (!c) continue;
+ if (!c || (track->GetClusterIndex(i) & 0x8000)) continue;
// if (RejectCluster(c,track)) continue;
sector = (c->GetDetector()%18);
if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) {
//
for (Int_t i=imax; i>=imin; i--){
AliTPCclusterMI *c=track->GetClusterPointer(i);
- if (!c) continue;
+ if (!c || (track->GetClusterIndex(i) & 0x8000)) continue;
//if (RejectCluster(c,track)) continue;
sector = (c->GetDetector()%18);
if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) {
//
for (Int_t i=imin; i<=imax; i++){
AliTPCclusterMI *c=track->GetClusterPointer(i);
- if (!c) continue;
+ if (!c || (track->GetClusterIndex(i) & 0x8000)) continue;
sector = (c->GetDetector()%18);
if (!track->Rotate(TMath::DegToRad()*(sector%18*20.+10.)-track->GetAlpha())) {
//continue;
//
if (parin) (*parin)=paramIn;
if (parout) (*parout)=paramOut;
+ delete track;
return ncl;
}
//
return kFALSE;
}
+
+
+
+
+
+
+void AliTPCseed::GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
+ Double_t& erry, Double_t &errz)
+{
+ //
+ // Get cluster error at given position
+ //
+ AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam();
+ Double_t tany,tanz;
+ Double_t snp1=param->GetSnp();
+ tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1));
+ //
+ Double_t tgl1=param->GetTgl();
+ tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1));
+ //
+ Int_t padSize = 0; // short pads
+ if (cluster->GetDetector() >= 36) {
+ padSize = 1; // medium pads
+ if (cluster->GetRow() > 63) padSize = 2; // long pads
+ }
+
+ erry = clusterParam->GetError0Par( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany) );
+ errz = clusterParam->GetError0Par( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) );
+}
+
+
+void AliTPCseed::GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
+ Double_t& rmsy, Double_t &rmsz)
+{
+ //
+ // Get cluster error at given position
+ //
+ AliTPCClusterParam *clusterParam = AliTPCcalibDB::Instance()->GetClusterParam();
+ Double_t tany,tanz;
+ Double_t snp1=param->GetSnp();
+ tany=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1));
+ //
+ Double_t tgl1=param->GetTgl();
+ tanz=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1));
+ //
+ Int_t padSize = 0; // short pads
+ if (cluster->GetDetector() >= 36) {
+ padSize = 1; // medium pads
+ if (cluster->GetRow() > 63) padSize = 2; // long pads
+ }
+
+ rmsy = clusterParam->GetRMSQ( 0, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tany), TMath::Abs(cluster->GetMax()) );
+ rmsz = clusterParam->GetRMSQ( 1, padSize, (250.0 - TMath::Abs(cluster->GetZ())), TMath::Abs(tanz) ,TMath::Abs(cluster->GetMax()));
+}
+
+
+
+Double_t AliTPCseed::GetQCorrGeom(Float_t ty, Float_t tz){
+ //Geoetrical
+ //ty - tangent in local y direction
+ //tz - tangent
+ //
+ Float_t norm=TMath::Sqrt(1+ty*ty+tz*tz);
+ return norm;
+}
+
+Double_t AliTPCseed::GetQCorrShape(Int_t ipad, Int_t type,Float_t z, Float_t ty, Float_t tz, Float_t /*q*/, Float_t /*thr*/){
+ //
+ // Q normalization
+ //
+ // return value = Q Normalization factor
+ // Normalization - 1 - shape factor part for full drift
+ // 1 - electron attachment for 0 drift
+
+ // Input parameters:
+ //
+ // ipad - 0 short pad
+ // 1 medium pad
+ // 2 long pad
+ //
+ // type - 0 qmax
+ // - 1 qtot
+ //
+ //z - z position (-250,250 cm)
+ //ty - tangent in local y direction
+ //tz - tangent
+ //
+
+ AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam();
+ AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters();
+
+ if (!paramCl) return 1;
+ //
+ Double_t dr = 250.-TMath::Abs(z);
+ Double_t sy = paramCl->GetRMS0( 0,ipad, dr, TMath::Abs(ty));
+ Double_t sy0= paramCl->GetRMS0(0,ipad, 250, 0);
+ Double_t sz = paramCl->GetRMS0( 1,ipad, dr, TMath::Abs(tz));
+ Double_t sz0= paramCl->GetRMS0(1,ipad, 250, 0);
+
+ Double_t sfactorMax = TMath::Sqrt(sy0*sz0/(sy*sz));
+
+
+ Double_t dt = 1000000*(dr/paramTPC->GetDriftV()); //time in microsecond
+ Double_t attProb = TMath::Exp(-paramTPC->GetAttCoef()*paramTPC->GetOxyCont()*dt);
+ //
+ //
+ if (type==0) return sfactorMax*attProb;
+
+ return attProb;
+
+
+}
+
+
+//_______________________________________________________________________
+Float_t AliTPCseed::GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1)
+{
+ //
+ // TPC cluster information
+ // type 0: get fraction of found/findable clusters with neighbourhood definition
+ // 1: found clusters
+ // 2: findable (number of clusters above and below threshold)
+ //
+ // definition of findable clusters:
+ // a cluster is defined as findable if there is another cluster
+ // within +- nNeighbours pad rows. The idea is to overcome threshold
+ // effects with a very simple algorithm.
+ //
+
+ const Float_t kClusterShapeCut = 1.5; // IMPPRTANT TO DO: move value to AliTPCRecoParam
+ const Float_t ktany = TMath::Tan(TMath::DegToRad()*10);
+ const Float_t kedgey =3.;
+
+ Float_t ncl = 0;
+ Float_t nclBelowThr = 0; // counts number of clusters below threshold
+
+ for (Int_t irow=row0; irow<row1; irow++){
+ AliTPCclusterMI* cluster = GetClusterPointer(irow);
+
+ if (!cluster && irow > 1 && irow < 157) {
+ Bool_t isClBefore = kFALSE;
+ Bool_t isClAfter = kFALSE;
+ for(Int_t ithres = 1; ithres <= nNeighbours; ithres++) {
+ AliTPCclusterMI * clusterBefore = GetClusterPointer(irow - ithres);
+ if (clusterBefore) isClBefore = kTRUE;
+ AliTPCclusterMI * clusterAfter = GetClusterPointer(irow + ithres);
+ if (clusterAfter) isClAfter = kTRUE;
+ }
+ if (isClBefore && isClAfter) nclBelowThr++;
+ }
+ if (!cluster) continue;
+ //
+ //
+ if (TMath::Abs(cluster->GetY())>cluster->GetX()*ktany-kedgey) continue; // edge cluster
+ //
+ AliTPCTrackerPoint * point = GetTrackPoint(irow);
+ if (point==0) continue;
+ Float_t rsigmay = TMath::Sqrt(point->GetSigmaY());
+ if (rsigmay > kClusterShapeCut) continue;
+ //
+ if (cluster->IsUsed(11)) continue; // remove shared clusters for PbPb
+ ncl++;
+ }
+
+ if(ncl<10)
+ return 0;
+ if(type==0)
+ if(nclBelowThr+ncl>0)
+ return ncl/(nclBelowThr+ncl);
+ if(type==1)
+ return ncl;
+ if(type==2)
+ return ncl+nclBelowThr;
+ return 0;
+}
+//_______________________________________________________________________
+Int_t AliTPCseed::GetNumberOfClustersIndices() {
+ Int_t ncls = 0;
+ for (int i=0; i < 160; i++) {
+ if ((fIndex[i] & 0x8000) == 0)
+ ncls++;
+ }
+ return ncls;
+}
+
+//_______________________________________________________________________
+void AliTPCseed::Clear(Option_t*)
+{
+ // formally seed may allocate memory for clusters (althought this should not happen for
+ // the seeds in the pool). Hence we need this method for fwd. compatibility
+ if (fClusterOwner) for (int i=160;i--;) {delete fClusterPointer[i]; fClusterPointer[i] = 0;}
+}
+
+TObject* AliTPCseed::Clone(const char* newname) const
+{
+ // temporary override TObject::Clone to avoid crashes in reco
+ AliTPCseed* src = (AliTPCseed*)this;
+ AliTPCseed* dst = new AliTPCseed(*src,fClusterOwner);
+ return dst;
+}