+++ /dev/null
-/**************************************************************************
- * 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. *
- **************************************************************************/
-
-//
-// TRD dEdx recon utils
-// xx
-// xx
-// xx
-// xx
-//
-// Xianguo Lu
-// lu@physi.uni-heidelberg.de
-// Xianguo.Lu@cern.ch
-//
-//
-
-#include "TF1.h"
-#include "TFile.h"
-#include "TH1D.h"
-#include "TH2D.h"
-#include "THnSparse.h"
-#include "TMath.h"
-#include "TMatrixD.h"
-#include "TMinuit.h"
-#include "TObjArray.h"
-#include "TRandom3.h"
-#include "TStopwatch.h"
-#include "TVectorD.h"
-
-#include "TTreeStream.h"
-
-#include "AliCDBId.h"
-#include "AliCDBMetaData.h"
-#include "AliCDBStorage.h"
-#include "AliESDEvent.h"
-#include "AliESDfriendTrack.h"
-#include "AliESDtrack.h"
-#include "AliTRDcalibDB.h"
-#include "AliTRDCalROC.h"
-#include "AliTRDtrackV1.h"
-
-#include "AliTRDdEdxBaseUtils.h"
-#include "AliTRDdEdxReconUtils.h"
-
-#define EPSILON 1e-8
-
-Int_t AliTRDdEdxReconUtils::ApplyCalib(const Int_t nc0, TVectorD *arrayQ, TVectorD *arrayX, const TObjArray *cobj)
-{
- //
- //apply calibration on arrayQ
- //
- if(!cobj){ printf("AliTRDdEdxReconUtils::ApplyCalib error gain array null!!\n"); exit(1);}
-
- TVectorD tmpq(arrayQ->GetNrows());
- TVectorD tmpx(arrayX->GetNrows());
- Int_t ncls = 0;
-
- const TVectorD * gain = (TVectorD*) cobj->At(0);
- for(Int_t ii=0; ii<nc0; ii++){
- const Double_t dq = (*arrayQ)[ii];
- const Int_t xx = (Int_t)(*arrayX)[ii];
- const Double_t gg = (*gain)[xx];
-
- if(gg<EPSILON){
- continue;
- }
-
- tmpq[ncls] = dq*gg;
- tmpx[ncls] = xx;
- ncls++;
- }
-
- (*arrayQ)=tmpq;
- (*arrayX)=tmpx;
-
- return ncls;
-}
-
-Double_t AliTRDdEdxReconUtils::ToyCook(const Bool_t kinvq, Int_t &ncluster, TVectorD *arrayQ, TVectorD *arrayX, const TObjArray *cobj)
-{
- //
- //template for cookdedx
- //
- if(cobj){
- if(arrayQ && arrayX){
- ncluster = ApplyCalib(ncluster, arrayQ, arrayX, cobj);
- }
- else{
- printf("AliTRDdEdxReconUtils::ToyCook arrayQ arrayX null, applycalib can not be applied!\n"); exit(1);
- }
- }
-
- Double_t lowFrac =-999, highFrac = -999;
- if(kinvq){
- lowFrac = AliTRDdEdxBaseUtils::Q1Frac(); highFrac = 0.99;
- }
- else{
- lowFrac = 0.01; highFrac = AliTRDdEdxBaseUtils::Q0Frac();
- }
-
- Double_t meanQ = AliTRDdEdxBaseUtils::TruncatedMean(ncluster, arrayQ->GetMatrixArray(), lowFrac, highFrac);
- if(kinvq){
- if(meanQ>EPSILON){
- meanQ = 1/meanQ;
- }
- }
-
- return meanQ;
-}
-
-Double_t AliTRDdEdxReconUtils::CombineddEdx(const Bool_t kinvq, Int_t &concls, TVectorD *coarrayQ, TVectorD *coarrayX, const Int_t tpcncls, const TVectorD *tpcarrayQ, const TVectorD *tpcarrayX, const Int_t trdncls, const TVectorD *trdarrayQ, const TVectorD *trdarrayX)
-{
- //
- //combine tpc and trd dedx
- //
-
- for(Int_t iq=0; iq<tpcncls; iq++){
- (*coarrayQ)[iq]=(*tpcarrayQ)[iq];
- if(tpcarrayX && trdarrayX && coarrayX){
- (*coarrayX)[iq]=(*tpcarrayX)[iq];
- }
- }
- for(Int_t iq=0; iq<trdncls; iq++){
- (*coarrayQ)[tpcncls+iq]=(*trdarrayQ)[iq];
- if(tpcarrayX && trdarrayX && coarrayX){
- (*coarrayX)[tpcncls+iq]=159+(*trdarrayX)[iq];
- }
- }
-
- concls=trdncls+tpcncls;
-
- const Double_t coQ = ToyCook(kinvq, concls, coarrayQ, coarrayX);
-
- return coQ;
-}
-
-Double_t AliTRDdEdxReconUtils::GetPadGain(const Int_t det, const Int_t icol, const Int_t irow)
-{
- //
- //get pad calibration
- //
- AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
- if (!calibration) {
- printf("AliTRDdEdxReconUtils::GetPadCalib No AliTRDcalibDB instance available\n"); exit(1);
- }
- AliTRDCalROC * calGainFactorROC = calibration->GetGainFactorROC(det);
- if(!calGainFactorROC){
- printf("AliTRDdEdxReconUtils::GetPadCalib no calGainFactorROC!\n"); exit(1);
- }
-
- Double_t padgain = -999;
- if( icol >= 0 &&
- icol < calGainFactorROC->GetNcols() &&
- irow >=0 &&
- irow < calGainFactorROC->GetNrows()){
- padgain = calGainFactorROC->GetValue(icol, irow);
- if(padgain<EPSILON){
- printf("AliTRDdEdxReconUtils::GetPadGain padgain 0! %f %f -- %d %d %d -- %d %d\n", padgain, EPSILON, det, icol, irow, calGainFactorROC->GetNcols(), calGainFactorROC->GetNrows()); exit(1);
- }
- }
- else{
- //printf("\nAliTRDdEdxReconUtils::GetPadGain warning!! indices out of range %d %d %d -- %d %d\n\n", det, icol, irow, calGainFactorROC->GetNcols(), calGainFactorROC->GetNrows() );
- }
-
- return padgain;
-}
-
-Double_t AliTRDdEdxReconUtils::GetRNDClusterQ(AliTRDcluster *cl, const Double_t baseline)
-{
- //
- //get cluter q from GetRawQ, apply baseline and Kr pad-calibration
- //
-
- const Int_t det = cl->GetDetector();
- const Int_t pad3col = cl->GetPadCol();
- const Int_t padrow = cl->GetPadRow();
-
- Double_t rndqsum = 0;
- for(Int_t ii=0; ii<7; ii++){
- if(cl->GetSignals()[ii] < EPSILON){//bad pad marked by electronics
- continue;
- }
-
- const Int_t icol = pad3col+(ii-3);
- const Double_t padgain = GetPadGain(det, icol, padrow);
- if(padgain<0){//indices out of range, pad3col near boundary case
- continue;
- }
-
- const Double_t rndsignal = (cl->GetSignals()[ii] - baseline )/(AliTRDdEdxBaseUtils::IsPadGainOn()? padgain : 1);
-
- //sum it anyway even if signal below baseline, as long as the total is positive
- rndqsum += rndsignal;
- }
-
- return rndqsum;
-}
-
-Double_t AliTRDdEdxReconUtils::GetClusterQ(const Bool_t kinvq, const AliTRDseedV1 * seed, const Int_t itb)
-{
- //
- //get cluster charge
- //
- Double_t dq = 0;
- AliTRDcluster *cl = 0x0;
-
- const Double_t baseline = 10;
-
- //GetRNDClusterQ(cl)>0 ensures that the total sum of q is above baseline*NsignalPhysical.
- cl = seed->GetClusters(itb); if(cl && GetRNDClusterQ(cl, baseline)>0 ) dq+= GetRNDClusterQ(cl, baseline);
- cl = seed->GetClusters(itb+AliTRDseedV1::kNtb); if(cl && GetRNDClusterQ(cl, baseline)>0 ) dq+= GetRNDClusterQ(cl, baseline);
-
- dq /= AliTRDdEdxBaseUtils::Getdldx(seed);
-
- dq /= AliTRDdEdxBaseUtils::QScale();
-
- if(kinvq){
- if(dq>EPSILON){
- dq = 1/dq;
- }
- }
-
- return dq;
-}
-
-Int_t AliTRDdEdxReconUtils::GetArrayClusterQ(const Bool_t kinvq, TVectorD *arrayQ, TVectorD *arrayX, const AliTRDtrackV1 *trdtrack, Int_t timeBin0, Int_t timeBin1, Int_t tstep)
-{
- //
- //return nclustter
- //(if kinvq, return 1/q array), size of array must be larger than 31*6
- //
- if(!arrayQ || arrayQ->GetNrows()< (AliTRDseedV1::kNtb*AliTRDtrackV1::kNplane)){
- printf("AliTRDdEdxReconUtils::GetArrayClusterQ error arrayQ null or size too small! %d\n", arrayQ? arrayQ->GetNrows() : -999); exit(1);
- }
- if(!arrayX || arrayX->GetNrows()< (AliTRDseedV1::kNtb*AliTRDtrackV1::kNplane)){
- printf("AliTRDdEdxReconUtils::GetArrayClusterQ error arrayX null or size too small! %d\n", arrayX? arrayX->GetNrows() : -999); exit(1);
- }
-
- const Int_t mintb = 0;
- const Int_t maxtb = AliTRDseedV1::kNtb-1;
- if(timeBin0<mintb) timeBin0=mintb;
- if(timeBin1>maxtb) timeBin1=maxtb;
- if(tstep<=0) tstep=1;
-
- //============
- Int_t tbN=0;
- Double_t tbQ[200];
- Int_t tbBin[200];
-
- for(Int_t ichamber=0; ichamber < AliTRDtrackV1::kNplane; ichamber++){
- const AliTRDseedV1 * seed = trdtrack->GetTracklet(ichamber);
- if(!seed)
- continue;
-
- const Int_t det = seed->GetDetector();
-
- for(Int_t itb=timeBin0; itb<=timeBin1; itb+=tstep){
- const Double_t dq = GetClusterQ(kinvq, seed, itb);
- if(dq<EPSILON)
- continue;
-
- const Int_t gtb = det * AliTRDseedV1::kNtb + itb;
-
- tbQ[tbN]=dq;
- tbBin[tbN]=gtb;
- tbN++;
- }
- }
-
- Int_t ncls = 0;
- for(Int_t iq=0; iq<tbN; iq++){
- if(tbQ[iq]<EPSILON)
- continue;
-
- (*arrayQ)[ncls] = tbQ[iq];
- (*arrayX)[ncls] = tbBin[iq];
-
- ncls++;
- }
-
- static Int_t kprint = 100;
- if(kprint<0){
- printf("\nAliTRDdEdxReconUtils::GetArrayClusterQ raw cluster-Q\n");
- for(Int_t iq=0; iq<ncls; iq++){
- const Int_t ichamber = AliTRDdEdxBaseUtils::ToLayer((*arrayX)[iq]);
- const AliTRDseedV1 * seed = trdtrack->GetTracklet(ichamber);
- if(!seed){
- printf("error seed null!!\n"); exit(1);
- }
- const Double_t rawq = (*arrayQ)[iq] * 45. * AliTRDdEdxBaseUtils::Getdldx(seed);
- printf("esdid=%d; chamber=%d; timebin=%d; rawq= %.3f; myq[%d]= %e;\n", trdtrack->GetESDid(), ichamber, AliTRDdEdxBaseUtils::ToTimeBin((*arrayX)[iq]), rawq, iq, (*arrayQ)[iq]);
- }
- printf("\n");
- }
- kprint++;
-
- return ncls;
-}
-
-Int_t AliTRDdEdxReconUtils::UpdateArrayX(const Int_t ncls, TVectorD* arrayX)
-{
- //
- //arrayX det*Ntb+itb -> itb
- //
-
- TVectorD countChamber(6);
- for(Int_t ii = 0; ii<ncls; ii++){
- const Int_t xx = (Int_t)(*arrayX)[ii];
- const Int_t idet = AliTRDdEdxBaseUtils::ToDetector(xx);
-
- const Double_t ich = AliTRDgeometry::GetLayer(idet);
- const Double_t itb = AliTRDdEdxBaseUtils::ToTimeBin(xx);
- (*arrayX)[ii] = ich*AliTRDseedV1::kNtb+itb;
-
- countChamber[ich] = 1;
- }
-
- const Double_t nch = countChamber.Sum();
- return (Int_t) nch;
-}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff