* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.19.2.4 2000/06/26 07:39:42 kowal2
-Changes to obey the coding rules
-
-Revision 1.19.2.3 2000/06/25 08:38:41 kowal2
-Splitted from AliTPCtracking
-
-Revision 1.19.2.2 2000/06/16 12:59:28 kowal2
-Changed parameter settings
-
-Revision 1.19.2.1 2000/06/09 07:15:07 kowal2
-
-Defaults loaded automatically (hard-wired)
-Optional parameters can be set via macro called in the constructor
-
-Revision 1.19 2000/04/18 19:00:59 fca
-Small bug fixes to TPC files
-
-Revision 1.18 2000/04/17 09:37:33 kowal2
-removed obsolete AliTPCDigitsDisplay.C
-
-Revision 1.17.2.2 2000/04/10 08:15:12 kowal2
-
-New, experimental data structure from M. Ivanov
-New tracking algorithm
-Different pad geometry for different sectors
-Digitization rewritten
-
-Revision 1.17.2.1 2000/04/10 07:56:53 kowal2
-Not used anymore - removed
-
-Revision 1.17 2000/01/19 17:17:30 fca
-Introducing a list of lists of hits -- more hits allowed for detector now
-
-Revision 1.16 1999/11/05 09:29:23 fca
-Accept only signals > 0
-
-Revision 1.15 1999/10/08 06:26:53 fca
-Removed ClustersIndex - not used anymore
-
-Revision 1.14 1999/09/29 09:24:33 fca
-Introduction of the Copyright and cvs Log
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
//
+#include <Riostream.h>
+#include <stdlib.h>
+
+#include <TFile.h>
+#include <TGeometry.h>
+#include <TInterpreter.h>
#include <TMath.h>
-#include <TRandom.h>
-#include <TVector.h>
#include <TMatrix.h>
-#include <TGeometry.h>
#include <TNode.h>
-#include <TTUBS.h>
#include <TObjectTable.h>
-#include "TParticle.h"
-#include "AliTPC.h"
-#include <TFile.h>
-#include "AliRun.h"
-#include <iostream.h>
-#include <fstream.h>
-#include "AliMC.h"
-
+#include <TParticle.h>
+#include <TROOT.h>
+#include <TRandom.h>
+#include <TSystem.h>
+#include <TTUBS.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
+#include <TString.h>
+#include <TF2.h>
+#include <TStopwatch.h>
-#include "AliTPCParamSR.h"
-#include "AliTPCPRF2D.h"
-#include "AliTPCRF1D.h"
+#include "AliArrayBranch.h"
#include "AliDigits.h"
+#include "AliMagF.h"
+#include "AliPoints.h"
+#include "AliRun.h"
+#include "AliRunLoader.h"
#include "AliSimDigits.h"
-
+#include "AliTPC.h"
+#include "AliTPC.h"
#include "AliTPCDigitsArray.h"
-#include "AliCluster.h"
-#include "AliClusters.h"
-#include "AliTPCClustersRow.h"
-#include "AliTPCClustersArray.h"
-
-#include "AliTPCcluster.h"
-#include "AliTPCclusterer.h"
-#include "AliTPCtracker.h"
+#include "AliTPCLoader.h"
+#include "AliTPCPRF2D.h"
+#include "AliTPCParamSR.h"
+#include "AliTPCRF1D.h"
+#include "AliTPCTrackHits.h"
+#include "AliTPCTrackHitsV2.h"
+#include "AliTrackReference.h"
+#include "AliMC.h"
+#include "AliTPCDigitizer.h"
+#include "AliTPCBuffer.h"
+#include "AliTPCDDLRawData.h"
+#include "AliLog.h"
-#include <TInterpreter.h>
ClassImp(AliTPC)
-
//_____________________________________________________________________________
AliTPC::AliTPC()
{
fHits = 0;
fDigits = 0;
fNsectors = 0;
- //MI changes
fDigitsArray = 0;
- fClustersArray = 0;
- fTPCParam=0;
+ fDefaults = 0;
+ fTrackHits = 0;
+ fTrackHitsOld = 0;
+#if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1)
+ fHitType = 4; // ROOT containers
+#else
+ fHitType = 2; //default CONTAINERS - based on ROOT structure
+#endif
+ fTPCParam = 0;
+ fNoiseTable = 0;
+ fActiveSectors =0;
+
}
//_____________________________________________________________________________
//
// Initialise arrays of hits and digits
fHits = new TClonesArray("AliTPChit", 176);
- gAlice->AddHitList(fHits);
- //MI change
+ gAlice->GetMCApp()->AddHitList(fHits);
fDigitsArray = 0;
- fClustersArray= 0;
+ fDefaults = 0;
+ //
+ fTrackHits = new AliTPCTrackHitsV2;
+ fTrackHits->SetHitPrecision(0.002);
+ fTrackHits->SetStepPrecision(0.003);
+ fTrackHits->SetMaxDistance(100);
+
+ fTrackHitsOld = new AliTPCTrackHits; //MI - 13.09.2000
+ fTrackHitsOld->SetHitPrecision(0.002);
+ fTrackHitsOld->SetStepPrecision(0.003);
+ fTrackHitsOld->SetMaxDistance(100);
+
+ fNoiseTable =0;
+
+#if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1)
+ fHitType = 4; // ROOT containers
+#else
+ fHitType = 2;
+#endif
+ fActiveSectors = 0;
//
// Initialise counters
fNsectors = 0;
// Set TPC parameters
//
- if (!strcmp(title,"Default")) {
- fTPCParam = new AliTPCParamSR;
+
+ if (!strcmp(title,"Default")) {
+ fTPCParam = new AliTPCParamSR;
} else {
- cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n";
+ AliWarning("In Config.C you must set non-default parameters.");
fTPCParam=0;
}
}
//_____________________________________________________________________________
+AliTPC::AliTPC(const AliTPC& t):AliDetector(t){
+ //
+ // dummy copy constructor
+ //
+}
AliTPC::~AliTPC()
{
//
delete fHits;
delete fDigits;
delete fTPCParam;
+ delete fTrackHits; //MI 15.09.2000
+ delete fTrackHitsOld; //MI 10.12.2001
+ if (fNoiseTable) delete [] fNoiseTable;
+
}
//_____________________________________________________________________________
//
// Add a hit to the list
//
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits);
+ if (fHitType&1){
+ TClonesArray &lhits = *fHits;
+ new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits);
+ }
+ if (fHitType>1)
+ AddHit2(track,vol,hits);
}
-
+
//_____________________________________________________________________________
void AliTPC::BuildGeometry()
{
}
//_____________________________________________________________________________
-Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t )
+Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) const
{
//
// Calculate distance from TPC to mouse on the display
return 9999;
}
-void AliTPC::Clusters2Tracks(TFile *of) {
- //-----------------------------------------------------------------
- // This is a track finder.
- //-----------------------------------------------------------------
- AliTPCtracker::Clusters2Tracks(fTPCParam,of);
-}
//_____________________________________________________________________________
void AliTPC::CreateMaterials()
{
//-----------------------------------------------
- // Create Materials for for TPC
+ // Create Materials for for TPC simulations
//-----------------------------------------------
//-----------------------------------------------------------------
Float_t wmat[5]; // proportions
Float_t density;
+ Float_t apure[2];
- // ********************* Gases *******************
- //--------------------------------------------------------------
+ //***************** Gases *************************
+
+ //-------------------------------------------------
// pure gases
- //--------------------------------------------------------------
+ //-------------------------------------------------
- // Ne
+ // Neon
- Float_t aNe = 20.18;
- Float_t zNe = 10.;
-
+ amat[0]= 20.18;
+ zmat[0]= 10.;
density = 0.0009;
+
+ apure[0]=amat[0];
- AliMaterial(20,"Ne",aNe,zNe,density,999.,999.);
+ AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.);
- // Ar
+ // Argon
- Float_t aAr = 39.948;
- Float_t zAr = 18.;
+ amat[0]= 39.948;
+ zmat[0]= 18.;
+ density = 0.001782;
- density = 0.001782;
-
- AliMaterial(21,"Ar",aAr,zAr,density,999.,999.);
+ apure[1]=amat[0];
- Float_t aPure[2];
-
- aPure[0] = aNe;
- aPure[1] = aAr;
-
+ AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.);
+
//--------------------------------------------------------------
// gases - compounds
Float_t amol[3];
- // CO2
+ // CO2
amat[0]=12.011;
amat[1]=15.9994;
amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1];
AliMixture(10,"CO2",amat,zmat,density,-2,wmat);
-
+
// CF4
amat[0]=12.011;
AliMixture(11,"CF4",amat,zmat,density,-2,wmat);
+
// CH4
amat[0]=12.011;
//----------------------------------------------------------------
// gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds
//----------------------------------------------------------------
-
- char namate[21];
-
+
+ char namate[21]="";
density = 0.;
Float_t am=0;
Int_t nc;
-
- Float_t a,z,rho,absl,x0,buf[1];
+ Float_t rho,absl,x0,buf[1];
Int_t nbuf;
+ Float_t a,z;
- for(nc = 0;nc<fNoComp;nc++)
- {
+ for(nc = 0;nc<fNoComp;nc++) {
- // retrive material constants
-
- gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,x0,absl,buf,nbuf);
-
- amat[nc] = a;
- zmat[nc] = z;
-
- Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10;
-
- am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? aPure[nnc] : amol[nnc]);
- density += fMixtProp[nc]*rho; // density of the mixture
+ // retrive material constants
- }
+ gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,x0,absl,buf,nbuf);
+ amat[nc] = a;
+ zmat[nc] = z;
+
+ Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10;
+
+ am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]);
+ density += fMixtProp[nc]*rho; // density of the mixture
+
+ }
+
// mixture proportions by weight!
+
+ for(nc = 0;nc<fNoComp;nc++) {
- for(nc = 0;nc<fNoComp;nc++)
- {
+ Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10;
- Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10;
+ wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ?
+ apure[nnc] : amol[nnc])/am;
- wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? aPure[nnc] : amol[nnc])/am;
+ }
+
+ // Drift gases 1 - nonsensitive, 2 - sensitive
- }
-
AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat);
AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat);
- AliMixture(33,"Drift gas 3",amat,zmat,density,fNoComp,wmat);
- AliMedium(2, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
- AliMedium(3, "Drift gas 2", 32, 0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
- AliMedium(4, "Drift gas 3", 33, 1, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
- // Air
+ // Air
- AliMaterial(24, "Air", 14.61, 7.3, .001205, 30420., 67500.);
+ amat[0] = 14.61;
+ zmat[0] = 7.3;
+ density = 0.001205;
+
+ AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.);
- AliMedium(24, "Air", 24, 0, iSXFLD, sXMGMX, 10., .1, .1, .1, .1);
//----------------------------------------------------------------------
// solid materials
//----------------------------------------------------------------------
- // Al
- AliMaterial(30, "Al", 26.98, 13., 2.7, 8.9, 37.2);
+ // Kevlar C14H22O2N2
- AliMedium(0, "Al",30, 0, iSXFLD, sXMGMX, 10., .1, .1, .1, .1);
+ amat[0] = 12.011;
+ amat[1] = 1.;
+ amat[2] = 15.999;
+ amat[3] = 14.006;
- // Si
+ zmat[0] = 6.;
+ zmat[1] = 1.;
+ zmat[2] = 8.;
+ zmat[3] = 7.;
+
+ wmat[0] = 14.;
+ wmat[1] = 22.;
+ wmat[2] = 2.;
+ wmat[3] = 2.;
+
+ density = 1.45;
+
+ AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat);
+
+ // NOMEX
+
+ amat[0] = 12.011;
+ amat[1] = 1.;
+ amat[2] = 15.999;
+ amat[3] = 14.006;
+
+ zmat[0] = 6.;
+ zmat[1] = 1.;
+ zmat[2] = 8.;
+ zmat[3] = 7.;
+
+ wmat[0] = 14.;
+ wmat[1] = 22.;
+ wmat[2] = 2.;
+ wmat[3] = 2.;
- AliMaterial(31, "Si", 28.086, 14.,2.33, 9.36, 999.);
+ density = 0.03;
- AliMedium(7, "Al",31, 0, iSXFLD, sXMGMX, 10., .1, .1, .1, .1);
+ AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat);
+ // Makrolon C16H18O3
+
+ amat[0] = 12.011;
+ amat[1] = 1.;
+ amat[2] = 15.999;
+
+ zmat[0] = 6.;
+ zmat[1] = 1.;
+ zmat[2] = 8.;
+
+ wmat[0] = 16.;
+ wmat[1] = 18.;
+ wmat[2] = 3.;
+
+ density = 1.2;
+
+ AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat);
+
// Mylar C5H4O2
amat[0]=12.011;
density = 1.39;
- AliMixture(32, "Mylar",amat,zmat,density,-3,wmat);
+ AliMixture(37, "Mylar",amat,zmat,density,-3,wmat);
- AliMedium(5, "Mylar",32, 0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ // SiO2 - used later for the glass fiber
+ amat[0]=28.086;
+ amat[1]=15.9994;
+ zmat[0]=14.;
+ zmat[1]=8.;
+ wmat[0]=1.;
+ wmat[1]=2.;
- // Carbon (normal)
- AliMaterial(33,"C normal",12.011,6.,2.265,18.8,999.);
+ AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2)
- AliMedium(6,"C normal",33,0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ // Al
- // G10 for inner and outr field cage
- // G10 is 60% SiO2 + 40% epoxy, right now I use A and Z for SiO2
+ amat[0] = 26.98;
+ zmat[0] = 13.;
- Float_t rhoFactor;
+ density = 2.7;
- amat[0]=28.086;
- amat[1]=15.9994;
+ AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.);
- zmat[0]=14.;
- zmat[1]=8.;
+ // Si
- wmat[0]=1.;
- wmat[1]=2.;
+ amat[0] = 28.086;
+ zmat[0] = 14.;
- density = 1.7;
-
+ density = 2.33;
- AliMixture(34,"G10 aux.",amat,zmat,density,-2,wmat);
+ AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.);
+ // Cu
- gMC->Gfmate((*fIdmate)[34],namate,a,z,rho,x0,absl,buf,nbuf);
+ amat[0] = 63.546;
+ zmat[0] = 29.;
- Float_t thickX0 = 0.0052; // field cage in X0 units
-
- Float_t thick = 2.; // in cm
+ density = 8.96;
+
+ AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.);
+
+ // Tedlar C2H3F
- x0=19.4; // G10
+ amat[0] = 12.011;
+ amat[1] = 1.;
+ amat[2] = 18.998;
- rhoFactor = x0*thickX0/thick;
- density = rho*rhoFactor;
+ zmat[0] = 6.;
+ zmat[1] = 1.;
+ zmat[2] = 9.;
+
+ wmat[0] = 2.;
+ wmat[1] = 3.;
+ wmat[2] = 1.;
+
+ density = 1.71;
+
+ AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat);
+
+
+ // Plexiglas C5H8O2
+
+ amat[0]=12.011;
+ amat[1]=1.;
+ amat[2]=15.9994;
- AliMaterial(35,"G10-fc",a,z,density,999.,999.);
+ zmat[0]=6.;
+ zmat[1]=1.;
+ zmat[2]=8.;
- AliMedium(8,"G10-fc",35,0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ wmat[0]=5.;
+ wmat[1]=8.;
+ wmat[2]=2.;
- thickX0 = 0.0027; // inner vessel (eta <0.9)
- thick=0.5;
- rhoFactor = x0*thickX0/thick;
- density = rho*rhoFactor;
+ density=1.18;
- AliMaterial(36,"G10-iv",a,z,density,999.,999.);
+ AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat);
- AliMedium(9,"G10-iv",36,0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ // Epoxy - C14 H20 O3
- // Carbon fibre
- gMC->Gfmate((*fIdmate)[33],namate,a,z,rho,x0,absl,buf,nbuf);
+ amat[0]=12.011;
+ amat[1]=1.;
+ amat[2]=15.9994;
- thickX0 = 0.0133; // outer vessel
- thick=3.0;
- rhoFactor = x0*thickX0/thick;
- density = rho*rhoFactor;
+ zmat[0]=6.;
+ zmat[1]=1.;
+ zmat[2]=8.;
+ wmat[0]=14.;
+ wmat[1]=20.;
+ wmat[2]=3.;
- AliMaterial(37,"C-ov",a,z,density,999.,999.);
+ density=1.25;
- AliMedium(10,"C-ov",37,0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat);
- thickX0=0.015; // inner vessel (cone, eta > 0.9)
- thick=1.5;
- rhoFactor = x0*thickX0/thick;
- density = rho*rhoFactor;
+ // Carbon
- AliMaterial(38,"C-ivc",a,z,density,999.,999.);
+ amat[0]=12.011;
+ zmat[0]=6.;
+ density= 2.265;
- AliMedium(11,"C-ivc",38,0, iSXFLD, sXMGMX, 10., .1, .1, .001, .01);
+ AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.);
- //
+ // get epoxy
- AliMedium(12,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
-
-}
+ gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,x0,absl,buf,nbuf);
+ // Carbon fiber
-void AliTPC::Digits2Clusters(TFile *of)
-{
- //-----------------------------------------------------------------
- // This is a simple cluster finder.
- //-----------------------------------------------------------------
- AliTPCclusterer::Digits2Clusters(fTPCParam,of);
-}
+ wmat[0]=0.644; // by weight!
+ wmat[1]=0.356;
-extern Double_t SigmaY2(Double_t, Double_t, Double_t);
-extern Double_t SigmaZ2(Double_t, Double_t);
-//_____________________________________________________________________________
-void AliTPC::Hits2Clusters(TFile *of)
-{
- //--------------------------------------------------------
- // TPC simple cluster generator from hits
- // obtained from the TPC Fast Simulator
- // The point errors are taken from the parametrization
- //--------------------------------------------------------
+ density=0.5*(1.25+2.265);
- //-----------------------------------------------------------------
- // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
- //-----------------------------------------------------------------
- // Adopted to Marian's cluster data structure by I.Belikov, CERN,
- // Jouri.Belikov@cern.ch
- //----------------------------------------------------------------
-
- /////////////////////////////////////////////////////////////////////////////
- //
- //---------------------------------------------------------------------
- // ALICE TPC Cluster Parameters
- //--------------------------------------------------------------------
-
-
+ AliMixture(47,"Cfiber",amat,zmat,density,2,wmat);
- // Cluster width in rphi
- const Float_t kACrphi=0.18322;
- const Float_t kBCrphi=0.59551e-3;
- const Float_t kCCrphi=0.60952e-1;
- // Cluster width in z
- const Float_t kACz=0.19081;
- const Float_t kBCz=0.55938e-3;
- const Float_t kCCz=0.30428;
+ // get SiO2
- TDirectory *savedir=gDirectory;
+ gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,x0,absl,buf,nbuf);
- if (!of->IsOpen()) {
- cerr<<"AliTPC::Hits2Clusters(): output file not open !\n";
- return;
- }
+ wmat[0]=0.725; // by weight!
+ wmat[1]=0.275;
- if(fTPCParam == 0){
- printf("AliTPCParam MUST be created firstly\n");
- return;
- }
+ density=1.7;
- Float_t sigmaRphi,sigmaZ,clRphi,clZ;
- //
- TParticle *particle; // pointer to a given particle
- AliTPChit *tpcHit; // pointer to a sigle TPC hit
- TClonesArray *particles; //pointer to the particle list
- Int_t sector,nhits;
- Int_t ipart;
- Float_t xyz[5];
- Float_t pl,pt,tanth,rpad,ratio;
- Float_t cph,sph;
-
- //---------------------------------------------------------------
- // Get the access to the tracks
- //---------------------------------------------------------------
-
- TTree *tH = gAlice->TreeH();
- Stat_t ntracks = tH->GetEntries();
- particles=gAlice->Particles();
+ AliMixture(39,"G10",amat,zmat,density,2,wmat);
+
+
- //Switch to the output file
- of->cd();
- fTPCParam->Write(fTPCParam->GetTitle());
- AliTPCClustersArray carray;
- carray.Setup(fTPCParam);
- carray.SetClusterType("AliTPCcluster");
- carray.MakeTree();
+ //----------------------------------------------------------
+ // tracking media for gases
+ //----------------------------------------------------------
- Int_t nclusters=0; //cluster counter
+ AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1);
+ AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
+ AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
+ AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
+
+ //-----------------------------------------------------------
+ // tracking media for solids
+ //-----------------------------------------------------------
- //------------------------------------------------------------
- // Loop over all sectors (72 sectors for 20 deg
- // segmentation for both lower and upper sectors)
- // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0
- // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0
- //
- // First cluster for sector 0 starts at "0"
- //------------------------------------------------------------
-
- for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){
- //MI change
- fTPCParam->AdjustCosSin(isec,cph,sph);
+ AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001);
+ AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001);
+ AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001);
+ AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001);
+ AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001);
+ AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
- //------------------------------------------------------------
- // Loop over tracks
- //------------------------------------------------------------
-
- for(Int_t track=0;track<ntracks;track++){
- ResetHits();
- tH->GetEvent(track);
- //
- // Get number of the TPC hits
- //
- nhits=fHits->GetEntriesFast();
- //
- // Loop over hits
- //
- for(Int_t hit=0;hit<nhits;hit++){
- tpcHit=(AliTPChit*)fHits->UncheckedAt(hit);
- if (tpcHit->fQ == 0.) continue; //information about track (I.Belikov)
- sector=tpcHit->fSector; // sector number
- if(sector != isec) continue; //terminate iteration
- ipart=tpcHit->fTrack;
- particle=(TParticle*)particles->UncheckedAt(ipart);
- pl=particle->Pz();
- pt=particle->Pt();
- if(pt < 1.e-9) pt=1.e-9;
- tanth=pl/pt;
- tanth = TMath::Abs(tanth);
- rpad=TMath::Sqrt(tpcHit->fX*tpcHit->fX + tpcHit->fY*tpcHit->fY);
- ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason
-
- // space-point resolutions
-
- sigmaRphi=SigmaY2(rpad,tanth,pt);
- sigmaZ =SigmaZ2(rpad,tanth );
-
- // cluster widths
-
- clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio;
- clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth;
-
- // temporary protection
-
- if(sigmaRphi < 0.) sigmaRphi=0.4e-3;
- if(sigmaZ < 0.) sigmaZ=0.4e-3;
- if(clRphi < 0.) clRphi=2.5e-3;
- if(clZ < 0.) clZ=2.5e-5;
-
- //
-
- //
- // smearing --> rotate to the 1 (13) or to the 25 (49) sector,
- // then the inaccuracy in a X-Y plane is only along Y (pad row)!
- //
- Float_t xprim= tpcHit->fX*cph + tpcHit->fY*sph;
- Float_t yprim=-tpcHit->fX*sph + tpcHit->fY*cph;
- xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y
- Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ?
- fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle();
- Float_t ymax=xprim*TMath::Tan(0.5*alpha);
- if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim;
- xyz[1]=gRandom->Gaus(tpcHit->fZ,TMath::Sqrt(sigmaZ)); // z
- if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->fZ;
- xyz[2]=tpcHit->fQ; // q
- xyz[3]=sigmaRphi; // fSigmaY2
- xyz[4]=sigmaZ; // fSigmaZ2
-
- AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow);
- if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow);
-
- Int_t tracks[3]={tpcHit->fTrack, -1, -1};
- AliTPCcluster cluster(xyz,tracks);
-
- clrow->InsertCluster(&cluster); nclusters++;
-
- } // end of loop over hits
-
- } // end of loop over tracks
-
- Int_t nrows=fTPCParam->GetNRow(isec);
- for (Int_t irow=0; irow<nrows; irow++) {
- AliTPCClustersRow *clrow=carray.GetRow(isec,irow);
- if (!clrow) continue;
- carray.StoreRow(isec,irow);
- carray.ClearRow(isec,irow);
- }
+}
- } // end of loop over sectors
+void AliTPC::GenerNoise(Int_t tablesize)
+{
+ //
+ //Generate table with noise
+ //
+ if (fTPCParam==0) {
+ // error message
+ fNoiseDepth=0;
+ return;
+ }
+ if (fNoiseTable) delete[] fNoiseTable;
+ fNoiseTable = new Float_t[tablesize];
+ fNoiseDepth = tablesize;
+ fCurrentNoise =0; //!index of the noise in the noise table
+
+ Float_t norm = fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac();
+ for (Int_t i=0;i<tablesize;i++) fNoiseTable[i]= gRandom->Gaus(0,norm);
+}
- cerr<<"Number of made clusters : "<<nclusters<<" \n";
+Float_t AliTPC::GetNoise()
+{
+ // get noise from table
+ // if ((fCurrentNoise%10)==0)
+ // fCurrentNoise= gRandom->Rndm()*fNoiseDepth;
+ if (fCurrentNoise>=fNoiseDepth) fCurrentNoise=0;
+ return fNoiseTable[fCurrentNoise++];
+ //gRandom->Gaus(0, fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac());
+}
- carray.GetTree()->Write();
- savedir->cd(); //switch back to the input file
-
-} // end of function
+Bool_t AliTPC::IsSectorActive(Int_t sec) const
+{
+ //
+ // check if the sector is active
+ if (!fActiveSectors) return kTRUE;
+ else return fActiveSectors[sec];
+}
-//_________________________________________________________________
-void AliTPC::Hits2ExactClustersSector(Int_t isec)
+void AliTPC::SetActiveSectors(Int_t * sectors, Int_t n)
{
- //--------------------------------------------------------
- //calculate exact cross point of track and given pad row
- //resulting values are expressed in "digit" coordinata
- //--------------------------------------------------------
+ // activate interesting sectors
+ SetTreeAddress();//just for security
+ if (fActiveSectors) delete [] fActiveSectors;
+ fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
+ for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE;
+ for (Int_t i=0;i<n;i++)
+ if ((sectors[i]>=0) && sectors[i]<fTPCParam->GetNSector()) fActiveSectors[sectors[i]]=kTRUE;
+
+}
- //-----------------------------------------------------------------
- // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de
- //-----------------------------------------------------------------
+void AliTPC::SetActiveSectors(Int_t flag)
+{
//
- if (fClustersArray==0){
+ // activate sectors which were hitted by tracks
+ //loop over tracks
+ SetTreeAddress();//just for security
+ if (fHitType==0) return; // if Clones hit - not short volume ID information
+ if (fActiveSectors) delete [] fActiveSectors;
+ fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
+ if (flag) {
+ for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE;
return;
}
- //
- TParticle *particle; // pointer to a given particle
- AliTPChit *tpcHit; // pointer to a sigle TPC hit
- TClonesArray *particles; //pointer to the particle list
- Int_t sector,nhits;
- Int_t ipart;
- const Int_t kcmaxhits=30000;
- TVector * xxxx = new TVector(kcmaxhits*4);
- TVector & xxx = *xxxx;
- Int_t maxhits = kcmaxhits;
- //construct array for each padrow
- for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++)
- fClustersArray->CreateRow(isec,i);
-
- //---------------------------------------------------------------
- // Get the access to the tracks
- //---------------------------------------------------------------
-
- TTree *tH = gAlice->TreeH();
- Stat_t ntracks = tH->GetEntries();
- particles=gAlice->Particles();
- Int_t npart = particles->GetEntriesFast();
-
- //------------------------------------------------------------
- // Loop over tracks
- //------------------------------------------------------------
+ for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE;
+ TBranch * branch=0;
+ if (TreeH() == 0x0)
+ {
+ AliFatal("Can not find TreeH in folder");
+ return;
+ }
+ if (fHitType>1) branch = TreeH()->GetBranch("TPC2");
+ else branch = TreeH()->GetBranch("TPC");
+ Stat_t ntracks = TreeH()->GetEntries();
+ // loop over all hits
+ AliDebug(1,Form("Got %d tracks",ntracks));
- for(Int_t track=0;track<ntracks;track++){
+ for(Int_t track=0;track<ntracks;track++) {
ResetHits();
- tH->GetEvent(track);
- //
- // Get number of the TPC hits and a pointer
- // to the particles
//
- nhits=fHits->GetEntriesFast();
- //
- // Loop over hits
+ if (fTrackHits && fHitType&4) {
+ TBranch * br1 = TreeH()->GetBranch("fVolumes");
+ TBranch * br2 = TreeH()->GetBranch("fNVolumes");
+ br1->GetEvent(track);
+ br2->GetEvent(track);
+ Int_t *volumes = fTrackHits->GetVolumes();
+ for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++)
+ fActiveSectors[volumes[j]]=kTRUE;
+ }
+
//
- Int_t currentIndex=0;
- Int_t lastrow=-1; //last writen row
- for(Int_t hit=0;hit<nhits;hit++){
- tpcHit=(AliTPChit*)fHits->UncheckedAt(hit);
- if (tpcHit==0) continue;
- sector=tpcHit->fSector; // sector number
- if(sector != isec) continue;
- ipart=tpcHit->fTrack;
- if (ipart<npart) particle=(TParticle*)particles->UncheckedAt(ipart);
-
- //find row number
-
- Float_t x[3]={tpcHit->fX,tpcHit->fY,tpcHit->fZ};
- Int_t index[3]={1,isec,0};
- Int_t currentrow = fTPCParam->GetPadRow(x,index) ;
- if (currentrow<0) continue;
- if (lastrow<0) lastrow=currentrow;
- if (currentrow==lastrow){
- if ( currentIndex>=maxhits){
- maxhits+=kcmaxhits;
- xxx.ResizeTo(4*maxhits);
- }
- xxx(currentIndex*4)=x[0];
- xxx(currentIndex*4+1)=x[1];
- xxx(currentIndex*4+2)=x[2];
- xxx(currentIndex*4+3)=tpcHit->fQ;
- currentIndex++;
- }
- else
- if (currentIndex>2){
- Float_t sumx=0;
- Float_t sumx2=0;
- Float_t sumx3=0;
- Float_t sumx4=0;
- Float_t sumy=0;
- Float_t sumxy=0;
- Float_t sumx2y=0;
- Float_t sumz=0;
- Float_t sumxz=0;
- Float_t sumx2z=0;
- Float_t sumq=0;
- for (Int_t index=0;index<currentIndex;index++){
- Float_t x,x2,x3,x4;
- x=x2=x3=x4=xxx(index*4);
- x2*=x;
- x3*=x2;
- x4*=x3;
- sumx+=x;
- sumx2+=x2;
- sumx3+=x3;
- sumx4+=x4;
- sumy+=xxx(index*4+1);
- sumxy+=xxx(index*4+1)*x;
- sumx2y+=xxx(index*4+1)*x2;
- sumz+=xxx(index*4+2);
- sumxz+=xxx(index*4+2)*x;
- sumx2z+=xxx(index*4+2)*x2;
- sumq+=xxx(index*4+3);
- }
- Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2;
- Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+
- sumx2*(sumx*sumx3-sumx2*sumx2);
-
- Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+
- sumx2*(sumxy*sumx3-sumx2y*sumx2);
- Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+
- sumx2*(sumxz*sumx3-sumx2z*sumx2);
-
- Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+
- sumx2*(sumx*sumx2y-sumx2*sumxy);
- Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+
- sumx2*(sumx*sumx2z-sumx2*sumxz);
-
- Float_t y=detay/det+centralPad;
- Float_t z=detaz/det;
- Float_t by=detby/det; //y angle
- Float_t bz=detbz/det; //z angle
- sumy/=Float_t(currentIndex);
- sumz/=Float_t(currentIndex);
- AliCluster cl;
- cl.fX=z;
- cl.fY=y;
- cl.fQ=sumq;
- cl.fSigmaX2=bz;
- cl.fSigmaY2=by;
- cl.fTracks[0]=ipart;
-
- AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow));
- if (row!=0) row->InsertCluster(&cl);
- currentIndex=0;
- lastrow=currentrow;
- } //end of calculating cluster for given row
-
-
-
- } // end of loop over hits
- } // end of loop over tracks
- //write padrows to tree
- for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) {
- fClustersArray->StoreRow(isec,ii);
- fClustersArray->ClearRow(isec,ii);
+ if (fTrackHitsOld && fHitType&2) {
+ TBranch * br = TreeH()->GetBranch("fTrackHitsInfo");
+ br->GetEvent(track);
+ AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo;
+ for (UInt_t j=0;j<ar->GetSize();j++){
+ fActiveSectors[((AliTrackHitsInfo*)ar->At(j))->fVolumeID] =kTRUE;
+ }
+ }
}
- xxxx->Delete();
-
-}
-
-//__________________________________________________________________
-void AliTPC::Hits2Digits()
-{
- //----------------------------------------------------
- // Loop over all sectors
- //----------------------------------------------------
-
- if(fTPCParam == 0){
- printf("AliTPCParam MUST be created firstly\n");
- return;
- }
+}
- for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec);
-}
//_____________________________________________________________________________
-void AliTPC::Hits2DigitsSector(Int_t isec)
+void AliTPC::Digits2Raw()
{
- //-------------------------------------------------------------------
- // TPC conversion from hits to digits.
- //-------------------------------------------------------------------
+// convert digits of the current event to raw data
- //-----------------------------------------------------------------
- // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
- //-----------------------------------------------------------------
+ static const Int_t kThreshold = 0;
+ static const Bool_t kCompress = kTRUE;
- //-------------------------------------------------------
- // Get the access to the track hits
- //-------------------------------------------------------
+ fLoader->LoadDigits();
+ TTree* digits = fLoader->TreeD();
+ if (!digits) {
+ AliError("No digits tree");
+ return;
+ }
+
+ AliSimDigits digarr;
+ AliSimDigits* digrow = &digarr;
+ digits->GetBranch("Segment")->SetAddress(&digrow);
+
+ const char* fileName = "AliTPCDDL.dat";
+ AliTPCBuffer* buffer = new AliTPCBuffer(fileName);
+ //Verbose level
+ // 0: Silent
+ // 1: cout messages
+ // 2: txt files with digits
+ //BE CAREFUL, verbose level 2 MUST be used only for debugging and
+ //it is highly suggested to use this mode only for debugging digits files
+ //reasonably small, because otherwise the size of the txt files can reach
+ //quickly several MB wasting time and disk space.
+ buffer->SetVerbose(0);
+
+ Int_t nEntries = Int_t(digits->GetEntries());
+ Int_t previousSector = -1;
+ Int_t subSector = 0;
+ for (Int_t i = 0; i < nEntries; i++) {
+ digits->GetEntry(i);
+ Int_t sector, row;
+ fTPCParam->AdjustSectorRow(digarr.GetID(), sector, row);
+ if(previousSector != sector) {
+ subSector = 0;
+ previousSector = sector;
+ }
+
+ if (sector < 36) { //inner sector [0;35]
+ if (row != 30) {
+ //the whole row is written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 0, 0, 0,
+ sector, subSector, row);
+ } else {
+ //only the pads in the range [37;48] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 37, 48, 1,
+ sector, subSector, row);
+ subSector = 1;
+ //only the pads outside the range [37;48] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 37, 48, 2,
+ sector, subSector, row);
+ }//end else
+
+ } else { //outer sector [36;71]
+ if (row == 54) subSector = 2;
+ if ((row != 27) && (row != 76)) {
+ buffer->WriteRowBinary(kThreshold, digrow, 0, 0, 0,
+ sector, subSector, row);
+ } else if (row == 27) {
+ //only the pads outside the range [43;46] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 43, 46, 2,
+ sector, subSector, row);
+ subSector = 1;
+ //only the pads in the range [43;46] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 43, 46, 1,
+ sector, subSector, row);
+ } else if (row == 76) {
+ //only the pads outside the range [33;88] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 33, 88, 2,
+ sector, subSector, row);
+ subSector = 3;
+ //only the pads in the range [33;88] are written into the output file
+ buffer->WriteRowBinary(kThreshold, digrow, 33, 88, 1,
+ sector, subSector, row);
+ }
+ }//end else
+ }//end for
+
+ delete buffer;
+ fLoader->UnloadDigits();
+
+ AliTPCDDLRawData rawWriter;
+ rawWriter.SetVerbose(0);
+
+ rawWriter.RawData(fileName);
+ gSystem->Unlink(fileName);
+
+ if (kCompress) {
+ AliInfo("Compressing raw data");
+ rawWriter.RawDataCompDecompress(kTRUE);
+ gSystem->Unlink("Statistics");
+ }
+}
+
+
+
+//______________________________________________________________________
+AliDigitizer* AliTPC::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ return new AliTPCDigitizer(manager);
+}
+//__
+void AliTPC::SDigits2Digits2(Int_t /*eventnumber*/)
+{
+ //create digits from summable digits
+ GenerNoise(500000); //create teble with noise
+
+ //conect tree with sSDigits
+ TTree *t = fLoader->TreeS();
+
+ if (t == 0x0) {
+ fLoader->LoadSDigits("READ");
+ t = fLoader->TreeS();
+ if (t == 0x0) {
+ AliError("Can not get input TreeS");
+ return;
+ }
+ }
+
+ if (fLoader->TreeD() == 0x0) fLoader->MakeTree("D");
+
+ AliSimDigits digarr, *dummy=&digarr;
+ TBranch* sdb = t->GetBranch("Segment");
+ if (sdb == 0x0) {
+ AliError("Can not find branch with segments in TreeS.");
+ return;
+ }
+
+ sdb->SetAddress(&dummy);
+
+ Stat_t nentries = t->GetEntries();
+
+ // set zero suppression
+
+ fTPCParam->SetZeroSup(2);
+
+ // get zero suppression
+
+ Int_t zerosup = fTPCParam->GetZeroSup();
+
+ //make tree with digits
+
+ AliTPCDigitsArray *arr = new AliTPCDigitsArray;
+ arr->SetClass("AliSimDigits");
+ arr->Setup(fTPCParam);
+ arr->MakeTree(fLoader->TreeD());
+
+ AliTPCParam * par = fTPCParam;
+
+ //Loop over segments of the TPC
+
+ for (Int_t n=0; n<nentries; n++) {
+ t->GetEvent(n);
+ Int_t sec, row;
+ if (!par->AdjustSectorRow(digarr.GetID(),sec,row)) {
+ AliWarning(Form("Invalid segment ID ! %d",digarr.GetID()));
+ continue;
+ }
+ if (!IsSectorActive(sec)) continue;
+
+ AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row);
+ Int_t nrows = digrow->GetNRows();
+ Int_t ncols = digrow->GetNCols();
+
+ digrow->ExpandBuffer();
+ digarr.ExpandBuffer();
+ digrow->ExpandTrackBuffer();
+ digarr.ExpandTrackBuffer();
+
+
+ Short_t * pamp0 = digarr.GetDigits();
+ Int_t * ptracks0 = digarr.GetTracks();
+ Short_t * pamp1 = digrow->GetDigits();
+ Int_t * ptracks1 = digrow->GetTracks();
+ Int_t nelems =nrows*ncols;
+ Int_t saturation = fTPCParam->GetADCSat();
+ //use internal structure of the AliDigits - for speed reason
+ //if you cahnge implementation
+ //of the Alidigits - it must be rewriten -
+ for (Int_t i= 0; i<nelems; i++){
+ Float_t q = TMath::Nint(Float_t(*pamp0)/16.+GetNoise());
+ if (q>zerosup){
+ if (q>saturation) q=saturation;
+ *pamp1=(Short_t)q;
+
+ ptracks1[0]=ptracks0[0];
+ ptracks1[nelems]=ptracks0[nelems];
+ ptracks1[2*nelems]=ptracks0[2*nelems];
+ }
+ pamp0++;
+ pamp1++;
+ ptracks0++;
+ ptracks1++;
+ }
+
+ arr->StoreRow(sec,row);
+ arr->ClearRow(sec,row);
+ }
+
+
+ //write results
+ fLoader->WriteDigits("OVERWRITE");
+
+ delete arr;
+}
+//__________________________________________________________________
+void AliTPC::SetDefaults(){
+ //
+ // setting the defaults
+ //
+
+ // Set response functions
+
+ //
+ AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName());
+ rl->CdGAFile();
+ AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60");
+ if(param){
+ AliInfo("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...");
+ delete param;
+ param = new AliTPCParamSR();
+ }
+ else {
+ param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60");
+ }
+ if(!param){
+ AliFatal("No TPC parameters found");
+ }
+
+
+ AliTPCPRF2D * prfinner = new AliTPCPRF2D;
+ AliTPCPRF2D * prfouter1 = new AliTPCPRF2D;
+ AliTPCPRF2D * prfouter2 = new AliTPCPRF2D;
+ AliTPCRF1D * rf = new AliTPCRF1D(kTRUE);
+ rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.);
+ rf->SetOffset(3*param->GetZSigma());
+ rf->Update();
+
+ TDirectory *savedir=gDirectory;
+ TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root");
+ if (!f->IsOpen())
+ AliFatal("Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !");
+
+ TString s;
+ prfinner->Read("prf_07504_Gati_056068_d02");
+ //PH Set different names
+ s=prfinner->GetGRF()->GetName();
+ s+="in";
+ prfinner->GetGRF()->SetName(s.Data());
+
+ prfouter1->Read("prf_10006_Gati_047051_d03");
+ s=prfouter1->GetGRF()->GetName();
+ s+="out1";
+ prfouter1->GetGRF()->SetName(s.Data());
+
+ prfouter2->Read("prf_15006_Gati_047051_d03");
+ s=prfouter2->GetGRF()->GetName();
+ s+="out2";
+ prfouter2->GetGRF()->SetName(s.Data());
+
+ f->Close();
+ savedir->cd();
+
+ param->SetInnerPRF(prfinner);
+ param->SetOuter1PRF(prfouter1);
+ param->SetOuter2PRF(prfouter2);
+ param->SetTimeRF(rf);
+
+ // set fTPCParam
+
+ SetParam(param);
+
+
+ fDefaults = 1;
+
+}
+//__________________________________________________________________
+void AliTPC::Hits2Digits()
+{
+ //
+ // creates digits from hits
+ //
+
+ fLoader->LoadHits("read");
+ fLoader->LoadDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ runLoader->GetEvent(iEvent);
+ SetActiveSectors();
+ Hits2Digits(iEvent);
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadDigits();
+}
+//__________________________________________________________________
+void AliTPC::Hits2Digits(Int_t eventnumber)
+{
+ //----------------------------------------------------
+ // Loop over all sectors for a single event
+ //----------------------------------------------------
+ AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName());
+ rl->GetEvent(eventnumber);
+ if (fLoader->TreeH() == 0x0) {
+ if(fLoader->LoadHits()) {
+ AliError("Can not load hits.");
+ }
+ }
+ SetTreeAddress();
+
+ if (fLoader->TreeD() == 0x0 ) {
+ fLoader->MakeTree("D");
+ if (fLoader->TreeD() == 0x0 ) {
+ AliError("Can not get TreeD");
+ return;
+ }
+ }
+
+ if(fDefaults == 0) SetDefaults(); // check if the parameters are set
+ GenerNoise(500000); //create teble with noise
+
+ //setup TPCDigitsArray
+
+ if(GetDigitsArray()) delete GetDigitsArray();
+
+ AliTPCDigitsArray *arr = new AliTPCDigitsArray;
+ arr->SetClass("AliSimDigits");
+ arr->Setup(fTPCParam);
+
+ arr->MakeTree(fLoader->TreeD());
+ SetDigitsArray(arr);
+
+ fDigitsSwitch=0; // standard digits
+
+ for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++)
+ if (IsSectorActive(isec)) {
+ AliDebug(1,Form("Hits2Digits","Sector %d is active.",isec));
+ Hits2DigitsSector(isec);
+ }
+ else {
+ AliDebug(1,Form("Hits2Digits","Sector %d is NOT active.",isec));
+ }
+
+ fLoader->WriteDigits("OVERWRITE");
+
+//this line prevents the crash in the similar one
+//on the beginning of this method
+//destructor attempts to reset the tree, which is deleted by the loader
+//need to be redesign
+ if(GetDigitsArray()) delete GetDigitsArray();
+ SetDigitsArray(0x0);
+
+}
+
+//__________________________________________________________________
+void AliTPC::Hits2SDigits2(Int_t eventnumber)
+{
+
+ //-----------------------------------------------------------
+ // summable digits - 16 bit "ADC", no noise, no saturation
+ //-----------------------------------------------------------
+
+ //----------------------------------------------------
+ // Loop over all sectors for a single event
+ //----------------------------------------------------
+ AliRunLoader* rl = fLoader->GetRunLoader();
+
+ rl->GetEvent(eventnumber);
+ if (fLoader->TreeH() == 0x0) {
+ if(fLoader->LoadHits()) {
+ AliError("Can not load hits.");
+ return;
+ }
+ }
+ SetTreeAddress();
+
+
+ if (fLoader->TreeS() == 0x0 ) {
+ fLoader->MakeTree("S");
+ }
+
+ if(fDefaults == 0) SetDefaults();
+
+ GenerNoise(500000); //create table with noise
+ //setup TPCDigitsArray
+
+ if(GetDigitsArray()) delete GetDigitsArray();
+
+
+ AliTPCDigitsArray *arr = new AliTPCDigitsArray;
+ arr->SetClass("AliSimDigits");
+ arr->Setup(fTPCParam);
+ arr->MakeTree(fLoader->TreeS());
+
+ SetDigitsArray(arr);
+
+ fDigitsSwitch=1; // summable digits
+
+ // set zero suppression to "0"
+
+ fTPCParam->SetZeroSup(0);
+
+ for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++)
+ if (IsSectorActive(isec)) {
+ Hits2DigitsSector(isec);
+ }
+
+ fLoader->WriteSDigits("OVERWRITE");
+
+//this line prevents the crash in the similar one
+//on the beginning of this method
+//destructor attempts to reset the tree, which is deleted by the loader
+//need to be redesign
+ if(GetDigitsArray()) delete GetDigitsArray();
+ SetDigitsArray(0x0);
+}
+//__________________________________________________________________
+
+void AliTPC::Hits2SDigits()
+{
+
+ //-----------------------------------------------------------
+ // summable digits - 16 bit "ADC", no noise, no saturation
+ //-----------------------------------------------------------
+
+ fLoader->LoadHits("read");
+ fLoader->LoadSDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ runLoader->GetEvent(iEvent);
+ SetTreeAddress();
+ SetActiveSectors();
+ Hits2SDigits2(iEvent);
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
+}
+//_____________________________________________________________________________
+
+void AliTPC::Hits2DigitsSector(Int_t isec)
+{
+ //-------------------------------------------------------------------
+ // TPC conversion from hits to digits.
+ //-------------------------------------------------------------------
+
+ //-----------------------------------------------------------------
+ // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
+ //-----------------------------------------------------------------
+
+ //-------------------------------------------------------
+ // Get the access to the track hits
+ //-------------------------------------------------------
+
+ // check if the parameters are set - important if one calls this method
+ // directly, not from the Hits2Digits
+
+ if(fDefaults == 0) SetDefaults();
+
+ TTree *tH = TreeH(); // pointer to the hits tree
+ if (tH == 0x0) {
+ AliFatal("Can not find TreeH in folder");
+ return;
+ }
- TTree *tH = gAlice->TreeH(); // pointer to the hits tree
Stat_t ntracks = tH->GetEntries();
if( ntracks > 0){
TObjArray **row;
- printf("*** Processing sector number %d ***\n",isec);
-
- Int_t nrows =fTPCParam->GetNRow(isec);
+ Int_t nrows =fTPCParam->GetNRow(isec);
- row= new TObjArray* [nrows];
+ row= new TObjArray* [nrows+2]; // 2 extra rows for cross talk
- MakeSector(isec,nrows,tH,ntracks,row);
+ MakeSector(isec,nrows,tH,ntracks,row);
- //--------------------------------------------------------
- // Digitize this sector, row by row
- // row[i] is the pointer to the TObjArray of TVectors,
- // each one containing electrons accepted on this
- // row, assigned into tracks
- //--------------------------------------------------------
+ //--------------------------------------------------------
+ // Digitize this sector, row by row
+ // row[i] is the pointer to the TObjArray of TVectors,
+ // each one containing electrons accepted on this
+ // row, assigned into tracks
+ //--------------------------------------------------------
- Int_t i;
+ Int_t i;
- if (fDigitsArray->GetTree()==0) fDigitsArray->MakeTree();
-
- for (i=0;i<nrows;i++){
+ if (fDigitsArray->GetTree()==0) {
+ AliFatal("Tree not set in fDigitsArray");
+ }
- AliDigits * dig = fDigitsArray->CreateRow(isec,i);
+ for (i=0;i<nrows;i++){
+
+ AliDigits * dig = fDigitsArray->CreateRow(isec,i);
- DigitizeRow(i,isec,row);
+ DigitizeRow(i,isec,row);
- fDigitsArray->StoreRow(isec,i);
+ fDigitsArray->StoreRow(isec,i);
- Int_t ndig = dig->GetDigitSize();
-
- printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig);
+ Int_t ndig = dig->GetDigitSize();
- fDigitsArray->ClearRow(isec,i);
+ AliDebug(10,
+ Form("*** Sector, row, compressed digits %d %d %d ***\n",
+ isec,i,ndig));
+
+ fDigitsArray->ClearRow(isec,i);
- } // end of the sector digitization
+ } // end of the sector digitization
- for(i=0;i<nrows;i++){
- row[i]->Delete();
- }
+ for(i=0;i<nrows+2;i++){
+ row[i]->Delete();
+ delete row[i];
+ }
- delete [] row; // delete the array of pointers to TObjArray-s
+ delete [] row; // delete the array of pointers to TObjArray-s
} // ntracks >0
// Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de
//-----------------------------------------------------------------
-
Float_t zerosup = fTPCParam->GetZeroSup();
- Int_t nrows =fTPCParam->GetNRow(isec);
+
fCurrentIndex[1]= isec;
// Integrated signal for this row
// and a single track signal
//
- TMatrix *m1 = new TMatrix(0,nofPads,0,nofTbins); // integrated
- TMatrix *m2 = new TMatrix(0,nofPads,0,nofTbins); // single
+
+ TMatrix *m1 = new TMatrix(0,nofPads,0,nofTbins); // integrated
+ TMatrix *m2 = new TMatrix(0,nofPads,0,nofTbins); // single
//
TMatrix &total = *m1;
//
//calculate signal
//
- Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0);
- Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1);
+ Int_t row1=irow;
+ Int_t row2=irow+2;
for (Int_t row= row1;row<=row2;row++){
Int_t nTracks= rows[row]->GetEntries();
for (i1=0;i1<nTracks;i1++){
fCurrentIndex[2]= row;
- fCurrentIndex[3]=irow;
- if (row==irow){
+ fCurrentIndex[3]=irow+1;
+ if (row==irow+1){
m2->Zero(); // clear single track signal matrix
Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange);
GetList(trackLabel,nofPads,m2,indexRange,pList);
Int_t tracks[3];
AliDigits *dig = fDigitsArray->GetRow(isec,irow);
- for(Int_t ip=0;ip<nofPads;ip++){
- for(Int_t it=0;it<nofTbins;it++){
-
- Float_t q = total(ip,it);
+ Int_t gi=-1;
+ Float_t fzerosup = zerosup+0.5;
+ for(Int_t it=0;it<nofTbins;it++){
+ for(Int_t ip=0;ip<nofPads;ip++){
+ gi++;
+ Float_t q=total(ip,it);
+ if(fDigitsSwitch == 0){
+ q+=GetNoise();
+ if(q <=fzerosup) continue; // do not fill zeros
+ q = TMath::Nint(q);
+ if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation
- Int_t gi =it*nofPads+ip; // global index
-
- q = gRandom->Gaus(q,fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac());
-
- q = (Int_t)q;
+ }
- if(q <=zerosup) continue; // do not fill zeros
- if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation
+ else {
+ if(q <= 0.) continue; // do not fill zeros
+ if(q>2000.) q=2000.;
+ q *= 16.;
+ q = TMath::Nint(q);
+ }
//
// "real" signal or electronic noise (list = -1)?
//
for(Int_t j1=0;j1<3;j1++){
- tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -1;
+ tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -2;
}
//Begin_Html
*/
//End_Html
dig->SetDigitFast((Short_t)q,it,ip);
- if (fDigitsArray->IsSimulated())
- {
- ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0);
- ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1);
- ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2);
- }
-
+ if (fDigitsArray->IsSimulated()) {
+ ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0);
+ ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1);
+ ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2);
+ }
} // end of loop over time buckets
} // end of lop over pads
delete m1;
delete m2;
- // delete m3;
} // end of DigitizeRow
//_____________________________________________________________________________
-Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2,
- Int_t *indexRange)
+Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr,
+ TMatrix *m1, TMatrix *m2,Int_t *indexRange)
{
//---------------------------------------------------------------
//-----------------------------------------------------------------
TVector *tv;
-
+
tv = (TVector*)p1->At(ntr); // pointer to a track
TVector &v = *tv;
Float_t label = v(0);
- Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3])-1)/2;
+ Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1)-1)/2;
Int_t nElectrons = (tv->GetNrows()-1)/4;
indexRange[0]=9999; // min pad
indexRange[2]=9999; //min time
indexRange[3]=-1; // max time
- // Float_t IneffFactor = 0.5; // inefficiency in the gain close to the edge, as above
-
TMatrix &signal = *m1;
TMatrix &total = *m2;
//
Float_t aval = v(idx+4);
Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac();
Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)};
- Int_t n = fTPCParam->CalcResponse(xyz,fCurrentIndex,fCurrentIndex[3]);
-
- if (n>0) for (Int_t i =0; i<n; i++){
- Int_t *index = fTPCParam->GetResBin(i);
- Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0
- if ( ( pad<(fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]))) && (pad>0)) {
- Int_t time=index[2];
- Float_t weight = fTPCParam->GetResWeight(i); //we normalise response to ADC channel
- weight *= eltoadcfac;
-
- if (m1!=0) signal(pad,time)+=weight;
- total(pad,time)+=weight;
- indexRange[0]=TMath::Min(indexRange[0],pad);
- indexRange[1]=TMath::Max(indexRange[1],pad);
- indexRange[2]=TMath::Min(indexRange[2],time);
- indexRange[3]=TMath::Max(indexRange[3],time);
- }
+ Int_t n = ((AliTPCParamSR*)fTPCParam)->CalcResponseFast(xyz,fCurrentIndex,fCurrentIndex[3]);
+
+ Int_t *index = fTPCParam->GetResBin(0);
+ Float_t *weight = & (fTPCParam->GetResWeight(0));
+
+ if (n>0) for (Int_t i =0; i<n; i++){
+ Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0
+
+ if (pad>=0){
+ Int_t time=index[2];
+ Float_t qweight = *(weight)*eltoadcfac;
+
+ if (m1!=0) signal(pad,time)+=qweight;
+ total(pad,time)+=qweight;
+ if (indexRange[0]>pad) indexRange[0]=pad;
+ if (indexRange[1]<pad) indexRange[1]=pad;
+ if (indexRange[2]>time) indexRange[2]=time;
+ if (indexRange[3]<time) indexRange[3]=time;
+
+ index+=3;
+ weight++;
+
+ }
}
} // end of loop over electrons
}
//_____________________________________________________________________________
-void AliTPC::GetList(Float_t label,Int_t np,TMatrix *m,Int_t *indexRange,
- Float_t **pList)
+void AliTPC::GetList(Float_t label,Int_t np,TMatrix *m,
+ Int_t *indexRange, Float_t **pList)
{
//----------------------------------------------------------------------
// Updates the list of tracks contributing to digits for a given row
for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){
- // accept only the contribution larger than 500 electrons (1/2 s_noise)
+ // accept only the contribution larger than 500 electrons (1/2 s_noise)
- if(signal(ip,it)<0.5) continue;
+ if(signal(ip,it)<0.5) continue;
-
- Int_t globalIndex = it*np+ip; // globalIndex starts from 0!
+ Int_t globalIndex = it*np+ip; // globalIndex starts from 0!
- if(!pList[globalIndex]){
+ if(!pList[globalIndex]){
- //
- // Create new list (6 elements - 3 signals and 3 labels),
- //
-
- pList[globalIndex] = new Float_t [6];
-
- // set list to -1
-
- *pList[globalIndex] = -1.;
- *(pList[globalIndex]+1) = -1.;
- *(pList[globalIndex]+2) = -1.;
- *(pList[globalIndex]+3) = -1.;
- *(pList[globalIndex]+4) = -1.;
- *(pList[globalIndex]+5) = -1.;
-
-
- *pList[globalIndex] = label;
- *(pList[globalIndex]+3) = signal(ip,it);
- }
- else{
-
- // check the signal magnitude
-
- Float_t highest = *(pList[globalIndex]+3);
- Float_t middle = *(pList[globalIndex]+4);
- Float_t lowest = *(pList[globalIndex]+5);
-
- //
- // compare the new signal with already existing list
- //
+ //
+ // Create new list (6 elements - 3 signals and 3 labels),
+ //
- if(signal(ip,it)<lowest) continue; // neglect this track
+ pList[globalIndex] = new Float_t [6];
- //
+ // set list to -1
+
+ *pList[globalIndex] = -1.;
+ *(pList[globalIndex]+1) = -1.;
+ *(pList[globalIndex]+2) = -1.;
+ *(pList[globalIndex]+3) = -1.;
+ *(pList[globalIndex]+4) = -1.;
+ *(pList[globalIndex]+5) = -1.;
+
+ *pList[globalIndex] = label;
+ *(pList[globalIndex]+3) = signal(ip,it);
+ }
+ else {
- if (signal(ip,it)>highest){
- *(pList[globalIndex]+5) = middle;
- *(pList[globalIndex]+4) = highest;
- *(pList[globalIndex]+3) = signal(ip,it);
+ // check the signal magnitude
- *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
- *(pList[globalIndex]+1) = *pList[globalIndex];
- *pList[globalIndex] = label;
- }
- else if (signal(ip,it)>middle){
- *(pList[globalIndex]+5) = middle;
- *(pList[globalIndex]+4) = signal(ip,it);
+ Float_t highest = *(pList[globalIndex]+3);
+ Float_t middle = *(pList[globalIndex]+4);
+ Float_t lowest = *(pList[globalIndex]+5);
+
+ //
+ // compare the new signal with already existing list
+ //
+
+ if(signal(ip,it)<lowest) continue; // neglect this track
- *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
- *(pList[globalIndex]+1) = label;
- }
- else{
- *(pList[globalIndex]+5) = signal(ip,it);
- *(pList[globalIndex]+2) = label;
- }
- }
+ //
+ if (signal(ip,it)>highest){
+ *(pList[globalIndex]+5) = middle;
+ *(pList[globalIndex]+4) = highest;
+ *(pList[globalIndex]+3) = signal(ip,it);
+
+ *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
+ *(pList[globalIndex]+1) = *pList[globalIndex];
+ *pList[globalIndex] = label;
+ }
+ else if (signal(ip,it)>middle){
+ *(pList[globalIndex]+5) = middle;
+ *(pList[globalIndex]+4) = signal(ip,it);
+
+ *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
+ *(pList[globalIndex]+1) = label;
+ }
+ else{
+ *(pList[globalIndex]+5) = signal(ip,it);
+ *(pList[globalIndex]+2) = label;
+ }
+ }
+
} // end of loop over pads
} // end of loop over time bins
-
-
}//end of GetList
//___________________________________________________________________
void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH,
Float_t xyz[4];
AliTPChit *tpcHit; // pointer to a sigle TPC hit
+ //MI change
+ TBranch * branch=0;
+ if (fHitType>1) branch = TH->GetBranch("TPC2");
+ else branch = TH->GetBranch("TPC");
+
//----------------------------------------------
// Create TObjArray-s, one for each row,
// each TObjArray will store the TVectors
- // of electrons, one TVector per each track.
+ // of electrons, one TVectors per each track.
//----------------------------------------------
- for(i=0; i<nrows; i++){
+ Int_t *nofElectrons = new Int_t [nrows+2]; // electron counter for each row
+ TVector **tracks = new TVector* [nrows+2]; //pointers to the track vectors
+
+ for(i=0; i<nrows+2; i++){
row[i] = new TObjArray;
+ nofElectrons[i]=0;
+ tracks[i]=0;
}
- Int_t *nofElectrons = new Int_t [nrows]; // electron counter for each row
- TVector **tracks = new TVector* [nrows]; //pointers to the track vectors
+
+
//--------------------------------------------------------------------
// Loop over tracks, the "track" contains the full history
//--------------------------------------------------------------------
-
+
Int_t previousTrack,currentTrack;
previousTrack = -1; // nothing to store so far!
for(Int_t track=0;track<ntracks;track++){
-
+ Bool_t isInSector=kTRUE;
ResetHits();
+ isInSector = TrackInVolume(isec,track);
+ if (!isInSector) continue;
+ //MI change
+ branch->GetEntry(track); // get next track
+
+ //M.I. changes
- TH->GetEvent(track); // get next track
- Int_t nhits = fHits->GetEntriesFast(); // get number of hits for this track
-
- if(nhits == 0) continue; // no hits in the TPC for this track
+ tpcHit = (AliTPChit*)FirstHit(-1);
//--------------------------------------------------------------
// Loop over hits
//--------------------------------------------------------------
- for(Int_t hit=0;hit<nhits;hit++){
- tpcHit = (AliTPChit*)fHits->UncheckedAt(hit); // get a pointer to a hit
+ while(tpcHit){
Int_t sector=tpcHit->fSector; // sector number
- if(sector != isec) continue;
+ if(sector != isec){
+ tpcHit = (AliTPChit*) NextHit();
+ continue;
+ }
- currentTrack = tpcHit->fTrack; // track number
- if(currentTrack != previousTrack){
+ currentTrack = tpcHit->Track(); // track number
+
+ if(currentTrack != previousTrack){
- // store already filled fTrack
+ // store already filled fTrack
- for(i=0;i<nrows;i++){
- if(previousTrack != -1){
- if(nofElectrons[i]>0){
- TVector &v = *tracks[i];
- v(0) = previousTrack;
- tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary
- row[i]->Add(tracks[i]);
- }
- else{
- delete tracks[i]; // delete empty TVector
- tracks[i]=0;
- }
- }
-
- nofElectrons[i]=0;
- tracks[i] = new TVector(481); // TVectors for the next fTrack
-
- } // end of loop over rows
+ for(i=0;i<nrows+2;i++){
+ if(previousTrack != -1){
+ if(nofElectrons[i]>0){
+ TVector &v = *tracks[i];
+ v(0) = previousTrack;
+ tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary
+ row[i]->Add(tracks[i]);
+ }
+ else {
+ delete tracks[i]; // delete empty TVector
+ tracks[i]=0;
+ }
+ }
+
+ nofElectrons[i]=0;
+ tracks[i] = new TVector(481); // TVectors for the next fTrack
+
+ } // end of loop over rows
- previousTrack=currentTrack; // update track label
- }
+ previousTrack=currentTrack; // update track label
+ }
- Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons)
+ Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons)
- //---------------------------------------------------
- // Calculate the electron attachment probability
- //---------------------------------------------------
+ //---------------------------------------------------
+ // Calculate the electron attachment probability
+ //---------------------------------------------------
- Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->fZ))
- /fTPCParam->GetDriftV();
- // in microseconds!
- Float_t attProb = fTPCParam->GetAttCoef()*
- fTPCParam->GetOxyCont()*time; // fraction!
+ Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z()))
+ /fTPCParam->GetDriftV();
+ // in microseconds!
+ Float_t attProb = fTPCParam->GetAttCoef()*
+ fTPCParam->GetOxyCont()*time; // fraction!
- //-----------------------------------------------
- // Loop over electrons
- //-----------------------------------------------
- Int_t index[3];
- index[1]=isec;
- for(Int_t nel=0;nel<qI;nel++){
- // skip if electron lost due to the attachment
- if((gRandom->Rndm(0)) < attProb) continue; // electron lost!
- xyz[0]=tpcHit->fX;
- xyz[1]=tpcHit->fY;
- xyz[2]=tpcHit->fZ;
- xyz[3]= (Float_t) (-gasgain*TMath::Log(gRandom->Rndm()));
- index[0]=1;
-
- TransportElectron(xyz,index); //MI change -august
- Int_t rowNumber;
- fTPCParam->GetPadRow(xyz,index); //MI change august
- rowNumber = index[2];
- //transform position to local digit coordinates
- //relative to nearest pad row
- if ((rowNumber<0)||rowNumber>=fTPCParam->GetNRow(isec)) continue;
- nofElectrons[rowNumber]++;
- //----------------------------------
- // Expand vector if necessary
- //----------------------------------
- if(nofElectrons[rowNumber]>120){
- Int_t range = tracks[rowNumber]->GetNrows();
- if((nofElectrons[rowNumber])>(range-1)/4){
-
- tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons
- }
+ //-----------------------------------------------
+ // Loop over electrons
+ //-----------------------------------------------
+ Int_t index[3];
+ index[1]=isec;
+ for(Int_t nel=0;nel<qI;nel++){
+ // skip if electron lost due to the attachment
+ if((gRandom->Rndm(0)) < attProb) continue; // electron lost!
+ xyz[0]=tpcHit->X();
+ xyz[1]=tpcHit->Y();
+ xyz[2]=tpcHit->Z();
+ //
+ // protection for the nonphysical avalanche size (10**6 maximum)
+ //
+ Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22);
+ xyz[3]= (Float_t) (-gasgain*TMath::Log(rn));
+ index[0]=1;
+
+ TransportElectron(xyz,index);
+ Int_t rowNumber;
+ fTPCParam->GetPadRow(xyz,index);
+ // row 0 - cross talk from the innermost row
+ // row fNRow+1 cross talk from the outermost row
+ rowNumber = index[2]+1;
+ //transform position to local digit coordinates
+ //relative to nearest pad row
+ if ((rowNumber<0)||rowNumber>fTPCParam->GetNRow(isec)+1) continue;
+ Float_t x1,y1;
+ if (isec <fTPCParam->GetNInnerSector()) {
+ x1 = xyz[1]*fTPCParam->GetInnerPadPitchWidth();
+ y1 = fTPCParam->GetYInner(rowNumber);
+ }
+ else{
+ x1=xyz[1]*fTPCParam->GetOuterPadPitchWidth();
+ y1 = fTPCParam->GetYOuter(rowNumber);
+ }
+ // gain inefficiency at the wires edges - linear
+ x1=TMath::Abs(x1);
+ y1-=1.;
+ if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.));
+
+ nofElectrons[rowNumber]++;
+ //----------------------------------
+ // Expand vector if necessary
+ //----------------------------------
+ if(nofElectrons[rowNumber]>120){
+ Int_t range = tracks[rowNumber]->GetNrows();
+ if((nofElectrons[rowNumber])>(range-1)/4){
+
+ tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons
}
-
- TVector &v = *tracks[rowNumber];
- Int_t idx = 4*nofElectrons[rowNumber]-3;
-
- v(idx)= xyz[0]; // X - pad row coordinate
- v(idx+1)=xyz[1]; // Y - pad coordinate (along the pad-row)
- v(idx+2)=xyz[2]; // Z - time bin coordinate
- v(idx+3)=xyz[3]; // avalanche size
- } // end of loop over electrons
-
- } // end of loop over hits
- } // end of loop over tracks
+ }
+
+ TVector &v = *tracks[rowNumber];
+ Int_t idx = 4*nofElectrons[rowNumber]-3;
+ Real_t * position = &(((TVector&)v)(idx)); //make code faster
+ memcpy(position,xyz,4*sizeof(Float_t));
+
+ } // end of loop over electrons
+
+ tpcHit = (AliTPChit*)NextHit();
+
+ } // end of loop over hits
+ } // end of loop over tracks
//
// store remaining track (the last one) if not empty
//
-
- for(i=0;i<nrows;i++){
- if(nofElectrons[i]>0){
- TVector &v = *tracks[i];
- v(0) = previousTrack;
- tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary
- row[i]->Add(tracks[i]);
- }
- else{
- delete tracks[i];
- tracks[i]=0;
- }
- }
-
- delete [] tracks;
- delete [] nofElectrons;
-
+
+ for(i=0;i<nrows+2;i++){
+ if(nofElectrons[i]>0){
+ TVector &v = *tracks[i];
+ v(0) = previousTrack;
+ tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary
+ row[i]->Add(tracks[i]);
+ }
+ else{
+ delete tracks[i];
+ tracks[i]=0;
+ }
+ }
+
+ delete [] tracks;
+ delete [] nofElectrons;
} // end of MakeSector
//
// Initialise TPC detector after definition of geometry
//
- Int_t i;
- //
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" TPC_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
- //
- for(i=0;i<80;i++) printf("*");
- printf("\n");
+ AliDebug(1,"*********************************************");
}
//_____________________________________________________________________________
//
// Create Tree branches for the TPC.
//
+ AliDebug(1,"");
Int_t buffersize = 4000;
char branchname[10];
sprintf(branchname,"%s",GetName());
-
+
+ const char *h = strstr(option,"H");
+
+ if ( h && (fHitType<=1) && (fHits == 0x0)) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03
+
AliDetector::MakeBranch(option);
-
- char *d = strstr(option,"D");
-
- if (fDigits && gAlice->TreeD() && d) {
- gAlice->TreeD()->Branch(branchname,&fDigits, buffersize);
- printf("Making Branch %s for digits\n",branchname);
+
+ const char *d = strstr(option,"D");
+
+ if (fDigits && fLoader->TreeD() && d) {
+ MakeBranchInTree(gAlice->TreeD(), branchname, &fDigits, buffersize, 0);
}
+
+ if (fHitType>1) MakeBranch2(option,0); // MI change 14.09.2000
}
//_____________________________________________________________________________
//-----------------------------------------------------------------
// Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
//-----------------------------------------------------------------
-
fSecAL = sec;
}
//-----------------------------------------------------------------
// Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
//-----------------------------------------------------------------
-
fSecAU = sec;
}
fSens = sens;
}
+
void AliTPC::SetSide(Float_t side=0.)
{
// gax mixture definition
- fNoComp = nc;
+ fNoComp = nc;
- fMixtComp[0]=c1;
- fMixtComp[1]=c2;
- fMixtComp[2]=c3;
+ fMixtComp[0]=c1;
+ fMixtComp[1]=c2;
+ fMixtComp[2]=c3;
- fMixtProp[0]=p1;
- fMixtProp[1]=p2;
- fMixtProp[2]=p3;
-
-
+ fMixtProp[0]=p1;
+ fMixtProp[1]=p2;
+ fMixtProp[2]=p3;
}
//_____________________________________________________________________________
// ExB
if (fTPCParam->GetMWPCReadout()==kTRUE){
- Float_t x1=xyz[0];
- fTPCParam->Transform2to2NearestWire(xyz,index);
- Float_t dx=xyz[0]-x1;
+ Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index);
xyz[1]+=dx*(fTPCParam->GetOmegaTau());
}
- //add nonisochronity (not implemented yet)
-
-}
-//_____________________________________________________________________________
-void AliTPC::Streamer(TBuffer &R__b)
-{
- //
- // Stream an object of class AliTPC.
- //
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliDetector::Streamer(R__b);
- if (R__v < 2) return;
- R__b >> fNsectors;
- } else {
- R__b.WriteVersion(AliTPC::IsA());
- AliDetector::Streamer(R__b);
- R__b << fNsectors;
- }
+ //add nonisochronity (not implemented yet)
}
-ClassImp(AliTPCdigit)
-
-//_____________________________________________________________________________
-AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits):
- AliDigit(tracks)
-{
- //
- // Creates a TPC digit object
- //
- fSector = digits[0];
- fPadRow = digits[1];
- fPad = digits[2];
- fTime = digits[3];
- fSignal = digits[4];
-}
-
-
ClassImp(AliTPChit)
//_____________________________________________________________________________
fQ = hits[3];
}
+//________________________________________________________________________
+// Additional code because of the AliTPCTrackHitsV2
+
+void AliTPC::MakeBranch2(Option_t *option,const char */*file*/)
+{
+ //
+ // Create a new branch in the current Root Tree
+ // The branch of fHits is automatically split
+ // MI change 14.09.2000
+ AliDebug(1,"");
+ if (fHitType<2) return;
+ char branchname[10];
+ sprintf(branchname,"%s2",GetName());
+ //
+ // Get the pointer to the header
+ const char *cH = strstr(option,"H");
+ //
+ if (fTrackHits && TreeH() && cH && fHitType&4) {
+ AliDebug(1,"Making branch for Type 4 Hits");
+ TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits,fBufferSize,99);
+ }
+
+ if (fTrackHitsOld && TreeH() && cH && fHitType&2) {
+ AliDebug(1,"Making branch for Type 2 Hits");
+ AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHitsOld,
+ TreeH(),fBufferSize,99);
+ TreeH()->GetListOfBranches()->Add(branch);
+ }
+}
+
+void AliTPC::SetTreeAddress()
+{
+ //Sets tree address for hits
+ if (fHitType<=1) {
+ if (fHits == 0x0 ) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03
+ AliDetector::SetTreeAddress();
+ }
+ if (fHitType>1) SetTreeAddress2();
+}
+
+void AliTPC::SetTreeAddress2()
+{
+ //
+ // Set branch address for the TrackHits Tree
+ //
+ AliDebug(1,"");
+
+ TBranch *branch;
+ char branchname[20];
+ sprintf(branchname,"%s2",GetName());
+ //
+ // Branch address for hit tree
+ TTree *treeH = TreeH();
+ if ((treeH)&&(fHitType&4)) {
+ branch = treeH->GetBranch(branchname);
+ if (branch) {
+ branch->SetAddress(&fTrackHits);
+ AliDebug(1,"fHitType&4 Setting");
+ }
+ else
+ AliDebug(1,"fHitType&4 Failed (can not find branch)");
+
+ }
+ if ((treeH)&&(fHitType&2)) {
+ branch = treeH->GetBranch(branchname);
+ if (branch) {
+ branch->SetAddress(&fTrackHitsOld);
+ AliDebug(1,"fHitType&2 Setting");
+ }
+ else
+ AliDebug(1,"fHitType&2 Failed (can not find branch)");
+ }
+ //set address to TREETR
+
+ TTree *treeTR = TreeTR();
+ if (treeTR && fTrackReferences) {
+ branch = treeTR->GetBranch(GetName());
+ if (branch) branch->SetAddress(&fTrackReferences);
+ }
+
+}
+
+void AliTPC::FinishPrimary()
+{
+ if (fTrackHits &&fHitType&4) fTrackHits->FlushHitStack();
+ if (fTrackHitsOld && fHitType&2) fTrackHitsOld->FlushHitStack();
+}
+
+
+void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits)
+{
+ //
+ // add hit to the list
+ Int_t rtrack;
+ if (fIshunt) {
+ int primary = gAlice->GetMCApp()->GetPrimary(track);
+ gAlice->GetMCApp()->Particle(primary)->SetBit(kKeepBit);
+ rtrack=primary;
+ } else {
+ rtrack=track;
+ gAlice->GetMCApp()->FlagTrack(track);
+ }
+ if (fTrackHits && fHitType&4)
+ fTrackHits->AddHitKartez(vol[0],rtrack, hits[0],
+ hits[1],hits[2],(Int_t)hits[3]);
+ if (fTrackHitsOld &&fHitType&2 )
+ fTrackHitsOld->AddHitKartez(vol[0],rtrack, hits[0],
+ hits[1],hits[2],(Int_t)hits[3]);
+
+}
+
+void AliTPC::ResetHits()
+{
+ if (fHitType&1) AliDetector::ResetHits();
+ if (fHitType>1) ResetHits2();
+}
+
+void AliTPC::ResetHits2()
+{
+ //
+ //reset hits
+ if (fTrackHits && fHitType&4) fTrackHits->Clear();
+ if (fTrackHitsOld && fHitType&2) fTrackHitsOld->Clear();
+
+}
+
+AliHit* AliTPC::FirstHit(Int_t track)
+{
+ if (fHitType>1) return FirstHit2(track);
+ return AliDetector::FirstHit(track);
+}
+AliHit* AliTPC::NextHit()
+{
+ //
+ // gets next hit
+ //
+ if (fHitType>1) return NextHit2();
+
+ return AliDetector::NextHit();
+}
+
+AliHit* AliTPC::FirstHit2(Int_t track)
+{
+ //
+ // Initialise the hit iterator
+ // Return the address of the first hit for track
+ // If track>=0 the track is read from disk
+ // while if track<0 the first hit of the current
+ // track is returned
+ //
+ if(track>=0) {
+ gAlice->ResetHits();
+ TreeH()->GetEvent(track);
+ }
+ //
+ if (fTrackHits && fHitType&4) {
+ fTrackHits->First();
+ return fTrackHits->GetHit();
+ }
+ if (fTrackHitsOld && fHitType&2) {
+ fTrackHitsOld->First();
+ return fTrackHitsOld->GetHit();
+ }
+
+ else return 0;
+}
+
+AliHit* AliTPC::NextHit2()
+{
+ //
+ //Return the next hit for the current track
+
+
+ if (fTrackHitsOld && fHitType&2) {
+ fTrackHitsOld->Next();
+ return fTrackHitsOld->GetHit();
+ }
+ if (fTrackHits) {
+ fTrackHits->Next();
+ return fTrackHits->GetHit();
+ }
+ else
+ return 0;
+}
+
+void AliTPC::LoadPoints(Int_t)
+{
+ //
+ Int_t a = 0;
+
+ if(fHitType==1) AliDetector::LoadPoints(a);
+ else LoadPoints2(a);
+}
+
+
+void AliTPC::RemapTrackHitIDs(Int_t *map)
+{
+ //
+ // remapping
+ //
+ if (!fTrackHits) return;
+
+ if (fTrackHitsOld && fHitType&2){
+ AliObjectArray * arr = fTrackHitsOld->fTrackHitsInfo;
+ for (UInt_t i=0;i<arr->GetSize();i++){
+ AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i));
+ info->fTrackID = map[info->fTrackID];
+ }
+ }
+ if (fTrackHitsOld && fHitType&4){
+ TClonesArray * arr = fTrackHits->GetArray();;
+ for (Int_t i=0;i<arr->GetEntriesFast();i++){
+ AliTrackHitsParamV2 * info = (AliTrackHitsParamV2 *)(arr->At(i));
+ info->fTrackID = map[info->fTrackID];
+ }
+ }
+}
+
+Bool_t AliTPC::TrackInVolume(Int_t id,Int_t track)
+{
+ //return bool information - is track in given volume
+ //load only part of the track information
+ //return true if current track is in volume
+ //
+ // return kTRUE;
+ if (fTrackHitsOld && fHitType&2) {
+ TBranch * br = TreeH()->GetBranch("fTrackHitsInfo");
+ br->GetEvent(track);
+ AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo;
+ for (UInt_t j=0;j<ar->GetSize();j++){
+ if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==id) return kTRUE;
+ }
+ }
+
+ if (fTrackHits && fHitType&4) {
+ TBranch * br1 = TreeH()->GetBranch("fVolumes");
+ TBranch * br2 = TreeH()->GetBranch("fNVolumes");
+ br2->GetEvent(track);
+ br1->GetEvent(track);
+ Int_t *volumes = fTrackHits->GetVolumes();
+ Int_t nvolumes = fTrackHits->GetNVolumes();
+ if (!volumes && nvolumes>0) {
+ AliWarning(Form("Problematic track\t%d\t%d",track,nvolumes));
+ return kFALSE;
+ }
+ for (Int_t j=0;j<nvolumes; j++)
+ if (volumes[j]==id) return kTRUE;
+ }
+
+ if (fHitType&1) {
+ TBranch * br = TreeH()->GetBranch("fSector");
+ br->GetEvent(track);
+ for (Int_t j=0;j<fHits->GetEntriesFast();j++){
+ if ( ((AliTPChit*)fHits->At(j))->fSector==id) return kTRUE;
+ }
+ }
+ return kFALSE;
+
+}
+
+//_____________________________________________________________________________
+void AliTPC::LoadPoints2(Int_t)
+{
+ //
+ // Store x, y, z of all hits in memory
+ //
+ if (fTrackHits == 0 && fTrackHitsOld==0) return;
+ //
+ Int_t nhits =0;
+ if (fHitType&4) nhits = fTrackHits->GetEntriesFast();
+ if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast();
+
+ if (nhits == 0) return;
+ Int_t tracks = gAlice->GetMCApp()->GetNtrack();
+ if (fPoints == 0) fPoints = new TObjArray(tracks);
+ AliHit *ahit;
+ //
+ Int_t *ntrk=new Int_t[tracks];
+ Int_t *limi=new Int_t[tracks];
+ Float_t **coor=new Float_t*[tracks];
+ for(Int_t i=0;i<tracks;i++) {
+ ntrk[i]=0;
+ coor[i]=0;
+ limi[i]=0;
+ }
+ //
+ AliPoints *points = 0;
+ Float_t *fp=0;
+ Int_t trk;
+ Int_t chunk=nhits/4+1;
+ //
+ // Loop over all the hits and store their position
+ //
+ ahit = FirstHit2(-1);
+ while (ahit){
+ trk=ahit->GetTrack();
+ if(ntrk[trk]==limi[trk]) {
+ //
+ // Initialise a new track
+ fp=new Float_t[3*(limi[trk]+chunk)];
+ if(coor[trk]) {
+ memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
+ delete [] coor[trk];
+ }
+ limi[trk]+=chunk;
+ coor[trk] = fp;
+ } else {
+ fp = coor[trk];
+ }
+ fp[3*ntrk[trk] ] = ahit->X();
+ fp[3*ntrk[trk]+1] = ahit->Y();
+ fp[3*ntrk[trk]+2] = ahit->Z();
+ ntrk[trk]++;
+ ahit = NextHit2();
+ }
+
+
+
+ //
+ for(trk=0; trk<tracks; ++trk) {
+ if(ntrk[trk]) {
+ points = new AliPoints();
+ points->SetMarkerColor(GetMarkerColor());
+ points->SetMarkerSize(GetMarkerSize());
+ points->SetDetector(this);
+ points->SetParticle(trk);
+ points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle());
+ fPoints->AddAt(points,trk);
+ delete [] coor[trk];
+ coor[trk]=0;
+ }
+ }
+ delete [] coor;
+ delete [] ntrk;
+ delete [] limi;
+}
+
+
+//_____________________________________________________________________________
+void AliTPC::LoadPoints3(Int_t)
+{
+ //
+ // Store x, y, z of all hits in memory
+ // - only intersection point with pad row
+ if (fTrackHits == 0) return;
+ //
+ Int_t nhits = fTrackHits->GetEntriesFast();
+ if (nhits == 0) return;
+ Int_t tracks = gAlice->GetMCApp()->GetNtrack();
+ if (fPoints == 0) fPoints = new TObjArray(2*tracks);
+ fPoints->Expand(2*tracks);
+ AliHit *ahit;
+ //
+ Int_t *ntrk=new Int_t[tracks];
+ Int_t *limi=new Int_t[tracks];
+ Float_t **coor=new Float_t*[tracks];
+ for(Int_t i=0;i<tracks;i++) {
+ ntrk[i]=0;
+ coor[i]=0;
+ limi[i]=0;
+ }
+ //
+ AliPoints *points = 0;
+ Float_t *fp=0;
+ Int_t trk;
+ Int_t chunk=nhits/4+1;
+ //
+ // Loop over all the hits and store their position
+ //
+ ahit = FirstHit2(-1);
+
+ Int_t lastrow = -1;
+ while (ahit){
+ trk=ahit->GetTrack();
+ Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()};
+ Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0};
+ Int_t currentrow = fTPCParam->GetPadRow(x,index) ;
+ if (currentrow!=lastrow){
+ lastrow = currentrow;
+ //later calculate intersection point
+ if(ntrk[trk]==limi[trk]) {
+ //
+ // Initialise a new track
+ fp=new Float_t[3*(limi[trk]+chunk)];
+ if(coor[trk]) {
+ memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
+ delete [] coor[trk];
+ }
+ limi[trk]+=chunk;
+ coor[trk] = fp;
+ } else {
+ fp = coor[trk];
+ }
+ fp[3*ntrk[trk] ] = ahit->X();
+ fp[3*ntrk[trk]+1] = ahit->Y();
+ fp[3*ntrk[trk]+2] = ahit->Z();
+ ntrk[trk]++;
+ }
+ ahit = NextHit2();
+ }
+
+ //
+ for(trk=0; trk<tracks; ++trk) {
+ if(ntrk[trk]) {
+ points = new AliPoints();
+ points->SetMarkerColor(GetMarkerColor()+1);
+ points->SetMarkerStyle(5);
+ points->SetMarkerSize(0.2);
+ points->SetDetector(this);
+ points->SetParticle(trk);
+ points->SetPolyMarker(ntrk[trk],coor[trk],30);
+ fPoints->AddAt(points,tracks+trk);
+ delete [] coor[trk];
+ coor[trk]=0;
+ }
+ }
+ delete [] coor;
+ delete [] ntrk;
+ delete [] limi;
+}
+
+
+
+AliLoader* AliTPC::MakeLoader(const char* topfoldername)
+{
+ //Makes TPC loader
+ fLoader = new AliTPCLoader(GetName(),topfoldername);
+ return fLoader;
+}
+
+////////////////////////////////////////////////////////////////////////
+AliTPCParam* AliTPC::LoadTPCParam(TFile *file) {
+//
+// load TPC paarmeters from a given file or create new if the object
+// is not found there
+// 12/05/2003 This method should be moved to the AliTPCLoader
+// and one has to decide where to store the TPC parameters
+// M.Kowalski
+ char paramName[50];
+ sprintf(paramName,"75x40_100x60_150x60");
+ AliTPCParam *paramTPC=(AliTPCParam*)file->Get(paramName);
+ if (paramTPC) {
+ AliDebugClass(1,Form("TPC parameters %s found.",paramName));
+ } else {
+ AliWarningClass("TPC parameters not found. Create new (they may be incorrect)");
+ paramTPC = new AliTPCParamSR;
+ }
+ return paramTPC;
+
+// the older version of parameters can be accessed with this code.
+// In some cases, we have old parameters saved in the file but
+// digits were created with new parameters, it can be distinguish
+// by the name of TPC TreeD. The code here is just for the case
+// we would need to compare with old data, uncomment it if needed.
+//
+// char paramName[50];
+// sprintf(paramName,"75x40_100x60");
+// AliTPCParam *paramTPC=(AliTPCParam*)in->Get(paramName);
+// if (paramTPC) {
+// cout<<"TPC parameters "<<paramName<<" found."<<endl;
+// } else {
+// sprintf(paramName,"75x40_100x60_150x60");
+// paramTPC=(AliTPCParam*)in->Get(paramName);
+// if (paramTPC) {
+// cout<<"TPC parameters "<<paramName<<" found."<<endl;
+// } else {
+// cerr<<"TPC parameters not found. Create new (they may be incorrect)."
+// <<endl;
+// paramTPC = new AliTPCParamSR;
+// }
+// }
+// return paramTPC;
+
+}
+