#include "AliTPCcalibDB.h"
#include "TLinearFitter.h"
#include "Riostream.h"
#include "TList.h"
#include "TMath.h"
#include "TCanvas.h"
#include "TFile.h"
#include "TF1.h"
#include "TVectorD.h"
#include "AliLog.h"
#include "AliTPCROC.h"
#include "AliTPCClusterParam.h"
#include "AliTPCPointCorrection.h"
AliTPCPointCorrection* AliTPCPointCorrection::fgInstance = 0;
ClassImp(AliTPCPointCorrection)
AliTPCPointCorrection::AliTPCPointCorrection():
TNamed(),
fParamsOutR(38),
fParamsOutZ(38),
fParamOutRVersion(0),
fErrorsOutR(38),
fErrorsOutZ(38),
fParamOutZVersion(0),
fXIO(0),
fXmiddle(0),
fXquadrant(0),
fArraySectorIntParam(36),
fArraySectorIntCovar(36),
fSectorParam(0),
fSectorCovar(0)
{
AliTPCROC * roc = AliTPCROC::Instance();
fXquadrant = roc->GetPadRowRadii(36,53);
fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5;
fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5;
}
AliTPCPointCorrection::AliTPCPointCorrection(const Text_t *name, const Text_t *title):
TNamed(name,title),
fParamsOutR(38),
fParamsOutZ(38),
fParamOutRVersion(0),
fErrorsOutR(38),
fErrorsOutZ(38),
fParamOutZVersion(0),
fXIO(0),
fXmiddle(0),
fXquadrant(0),
fArraySectorIntParam(36),
fArraySectorIntCovar(36),
fSectorParam(0),
fSectorCovar(0)
{
AliTPCROC * roc = AliTPCROC::Instance();
fXquadrant = roc->GetPadRowRadii(36,53);
fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5;
fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5;
}
AliTPCPointCorrection::~AliTPCPointCorrection(){
}
AliTPCPointCorrection* AliTPCPointCorrection::Instance()
{
if (fgInstance == 0){
fgInstance = new AliTPCPointCorrection();
}
return fgInstance;
}
Double_t AliTPCPointCorrection::GetDrOut(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
if (fParamOutRVersion==0) return CorrectionOutR0(isGlobal, type,cx,cy,cz,sector);
return 0;
}
Double_t AliTPCPointCorrection::SGetDrOut(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
return fgInstance->GetDrOut(isGlobal, type,cx,cy,cz,sector);
}
Double_t AliTPCPointCorrection::GetDzOut(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
if (fParamOutZVersion==0) return CorrectionOutZ0(isGlobal, type,cx,cy,cz,sector);
return 0;
}
Double_t AliTPCPointCorrection::SGetDzOut(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
return fgInstance->GetDzOut(isGlobal, type,cx,cy,cz,sector);
}
Double_t AliTPCPointCorrection::CorrectionOutR0(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
if (isGlobal){
Double_t alpha = TMath::ATan2(cy,cx);
if (alpha<0) alpha+=TMath::Pi()*2;
sector = Int_t(18*alpha/(TMath::Pi()*2));
}
if (type==kFALSE) sector=36+(sector%36>=18);
Double_t radius = TMath::Sqrt(cx*cx+cy*cy);
AliTPCROC * roc = AliTPCROC::Instance();
Double_t xout = roc->GetPadRowRadiiUp(roc->GetNRows(37)-1);
Double_t dout = xout-radius;
if (dout<0) return 0;
Double_t dr = 0.5 - TMath::Abs(cz/250.);
TVectorD * vec = GetParamOutR(sector);
if (!vec) return 0;
Double_t eout10 = TMath::Exp(-dout/10.);
Double_t eout5 = TMath::Exp(-dout/5.);
Double_t eoutp = (eout10+eout5)*0.5;
Double_t eoutm = (eout10-eout5)*0.5;
Double_t result=0;
result+=(*vec)[1]*eoutp;
result+=(*vec)[2]*eoutm;
result+=(*vec)[3]*eoutp*dr;
result+=(*vec)[4]*eoutm*dr;
result+=(*vec)[5]*eoutp*dr*dr;
result+=(*vec)[6]*eoutm*dr*dr;
return result;
}
Double_t AliTPCPointCorrection::RPhiCOGCorrection(Int_t sector, Int_t padrow, Float_t pad, Float_t cy, Float_t y, Float_t z, Float_t ky,Float_t qMax, Float_t threshold){
AliTPCClusterParam * clparam = AliTPCcalibDB::Instance()->GetClusterParam();
if (!clparam) {
AliFatal("TPC OCDB not initialized");
return 0;
}
Int_t padtype=0;
if (sector>=36) padtype = (padrow>64)?2:1;
Double_t padwidth=(padtype==0)? 0.4:0.6;
Double_t sigma = clparam->GetRMS0(0,padtype,250-TMath::Abs(z),ky)/padwidth;
Int_t npads = AliTPCROC::Instance()->GetNPads(sector,padrow);
Float_t yshift = TMath::Abs(cy)-TMath::Abs((-npads*0.5+pad)*padwidth);
y -= yshift*((y>0)?1.:-1.);
Double_t y0 = npads*0.5*padwidth;
Double_t dy = (TMath::Abs(y0)-TMath::Abs(y))/padwidth-0.5;
Double_t padcenter = TMath::Nint(dy);
Double_t sumw=0;
Double_t sumwi=0;
for (Double_t ip=padcenter-2.5; ip<=padcenter+2.5;ip++){
Double_t weightGaus = qMax*TMath::Exp(-(dy-ip)*(dy-ip)/(2*sigma*sigma));
Double_t ypad = (ip-npads*0.5)*padwidth;
Double_t weightGain = GetEdgeQ0(sector,padrow,ypad);
Double_t weight = TMath::Nint(weightGaus*weightGain);
if (ip<0 &&weight> threshold) weight = threshold;
if (weight<0) continue;
sumw+=weight;
sumwi+=weight*(ip);
}
Double_t result =0;
if (sumw>0) result = sumwi/sumw;
result = (result-dy)*padwidth;
return result;
}
Double_t AliTPCPointCorrection::CorrectionOutZ0(Bool_t isGlobal, Bool_t type, Double_t cx, Double_t cy, Double_t cz, Int_t sector){
if (isGlobal){
Double_t alpha = TMath::ATan2(cy,cx);
if (alpha<0) alpha+=TMath::Pi()*2;
sector = Int_t(18*alpha/(TMath::Pi()*2));
}
if (type==kFALSE) sector=36+(sector%36>=18);
Double_t radius = TMath::Sqrt(cx*cx+cy*cy);
AliTPCROC * roc = AliTPCROC::Instance();
Double_t xout = roc->GetPadRowRadiiUp(roc->GetNRows(37)-1);
Double_t dout = xout-radius;
if (dout<0) return 0;
Double_t dr = 0.5 - TMath::Abs(cz/250.);
TVectorD * vec = GetParamOutR(sector);
if (!vec) return 0;
Double_t eout10 = TMath::Exp(-dout/10.);
Double_t eout5 = TMath::Exp(-dout/5.);
Double_t eoutp = (eout10+eout5)*0.5;
Double_t eoutm = (eout10-eout5)*0.5;
Double_t result=0;
result+=(*vec)[1]*eoutp;
result+=(*vec)[2]*eoutm;
result+=(*vec)[3]*eoutp*dr;
result+=(*vec)[4]*eoutm*dr;
result+=(*vec)[5]*eoutp*dr*dr;
result+=(*vec)[6]*eoutm*dr*dr;
return result;
}
Double_t AliTPCPointCorrection::GetEdgeQ0(Int_t sector, Int_t padrow, Float_t y){
Double_t params[2]={100,0};
if (sector<36){
params[0]=4.71413; params[1]=1.39558;
}
if (sector>=36){
if (padrow<64) { params[0]=2.114; params[1]=1.526;}
if (padrow>=64){ params[0]=2.15; params[1]=1.535;}
}
Double_t result= 1;
Double_t xrow = AliTPCROC::Instance()->GetPadRowRadii(sector,padrow);
Double_t ymax = TMath::Tan(TMath::Pi()/18.)*xrow;
Double_t dedge = ymax-TMath::Abs(y);
if (dedge-params[1]<0) return 0;
if (dedge>10.*params[1]) return 1;
result = 1.-TMath::Exp(-params[0]*(dedge-params[1]));
return result;
}
Double_t AliTPCPointCorrection::SRPhiCOGCorrection(Int_t sector, Int_t padrow, Float_t pad, Float_t cy, Float_t y, Float_t z, Float_t ky,Float_t qMax, Float_t threshold){
return fgInstance->RPhiCOGCorrection(sector, padrow, pad, cy, y,z, ky, qMax, threshold);
}
Double_t AliTPCPointCorrection::SGetEdgeQ0(Int_t sector, Int_t padrow, Float_t y){
return fgInstance->GetEdgeQ0(sector, padrow, y);
}
void AliTPCPointCorrection::AddCorrectionSector(TObjArray & sideAPar, TObjArray &sideCPar, TObjArray & sideACov, TObjArray &sideCCov, Bool_t reset){
for (Int_t isec=0;isec<36;isec++){
TMatrixD * mat1 = (TMatrixD*)(sideAPar.At(isec));
TMatrixD * mat1Covar = (TMatrixD*)(sideACov.At(isec));
if (!mat1) continue;
TMatrixD * mat0 = (TMatrixD*)(fArraySectorIntParam.At(isec));
TMatrixD * mat0Covar = (TMatrixD*)(fArraySectorIntCovar.At(isec));
if (!mat0) {
fArraySectorIntParam.AddAt(mat1->Clone(),isec);
fArraySectorIntCovar.AddAt(mat1Covar->Clone(),isec);
continue;
}
(*mat0Covar)=(*mat1Covar);
if (reset) (*mat0)=(*mat1);
if (!reset) (*mat0)+=(*mat1);
}
for (Int_t isec=0;isec<36;isec++){
TMatrixD * mat1 = (TMatrixD*)(sideCPar.At(isec));
TMatrixD * mat1Covar = (TMatrixD*)(sideCCov.At(isec));
if (!mat1) continue;
TMatrixD * mat0 = (TMatrixD*)(fArraySectorIntParam.At(isec));
TMatrixD * mat0Covar = (TMatrixD*)(fArraySectorIntCovar.At(isec));
if (!mat0) {
fArraySectorIntParam.AddAt(mat1->Clone(),isec);
fArraySectorIntCovar.AddAt(mat1Covar->Clone(),isec);
continue;
}
(*mat0Covar)=(*mat1Covar);
if (reset) (*mat0)=(*mat1);
if (!reset) (*mat0)+=(*mat1);
}
}
Double_t AliTPCPointCorrection::GetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t , Int_t quadrant){
TMatrixD * param = (TMatrixD*)fArraySectorIntParam.At(sector%36);
if (!param) return 0;
if (quadrant<0){
if (lx<fXIO) quadrant=0;
if(lx>fXIO){
if (lx<fXquadrant) {
if (ly<0) quadrant=1;
if (ly>0) quadrant=2;
}
if (lx>=fXquadrant) {
if (ly<0) quadrant=3;
if (ly>0) quadrant=4;
}
}
}
Double_t a10 = (*param)(quadrant*6+0,0);
Double_t a20 = (*param)(quadrant*6+1,0);
Double_t a21 = (*param)(quadrant*6+2,0);
Double_t dx = (*param)(quadrant*6+3,0);
Double_t dy = (*param)(quadrant*6+4,0);
Double_t dz = (*param)(quadrant*6+5,0);
Double_t deltaX = lx-fXmiddle;
if (coord==0) return dx;
if (coord==1) return dy+deltaX*a10;
if (coord==2) return dz+deltaX*a20+ly*a21;
if (coord==3) return a10;
if (coord==4) return a20;
if (coord==5) return a21;
return 0;
}
Double_t AliTPCPointCorrection::SGetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz, Int_t quadrant){
if (!Instance()) return 0;
return Instance()->GetCorrectionSector(coord,sector,lx,ly,lz, quadrant);
}
Double_t AliTPCPointCorrection::GetCorrection(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t ){
if (!fSectorParam) return 0;
Double_t a10 = (*fSectorParam)(sector*6+0,0);
Double_t a20 = (*fSectorParam)(sector*6+1,0);
Double_t a21 = (*fSectorParam)(sector*6+2,0);
Double_t dx = (*fSectorParam)(sector*6+3,0);
Double_t dy = (*fSectorParam)(sector*6+4,0);
Double_t dz = (*fSectorParam)(sector*6+5,0);
Double_t deltaX = lx-fXIO;
if (coord==0) return dx;
if (coord==1) return dy+deltaX*a10;
if (coord==2) return dz+deltaX*a20+ly*a21;
if (coord==3) return a10;
if (coord==4) return a20;
if (coord==5) return a21;
return 0;
}
Double_t AliTPCPointCorrection::SGetCorrection(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz){
if (!Instance()) return 0;
return Instance()->GetCorrection(coord,sector,lx,ly,lz);
}
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