#include "AliTPCTrackHitsV2.h"
#include "AliTrackReference.h"
#include "AliMC.h"
+#include "AliStack.h"
#include "AliTPCDigitizer.h"
#include "AliTPCBuffer.h"
#include "AliTPCDDLRawData.h"
#include "AliLog.h"
+#include "AliTPCcalibDB.h"
+#include "AliTPCCalPad.h"
+#include "AliTPCCalROC.h"
+#include "AliTPCExB.h"
#include "AliRawReader.h"
#include "AliTPCRawStream.h"
ClassImp(AliTPC)
//_____________________________________________________________________________
-AliTPC::AliTPC()
+ AliTPC::AliTPC():AliDetector(),
+ fDefaults(0),
+ fSens(0),
+ fNsectors(0),
+ fDigitsArray(0),
+ fTPCParam(0),
+ fTrackHits(0),
+ fHitType(0),
+ fDigitsSwitch(0),
+ fSide(0),
+ fPrimaryIonisation(0),
+ fNoiseDepth(0),
+ fNoiseTable(0),
+ fCurrentNoise(0),
+ fActiveSectors(0),
+ fGainFactor(1.)
+
+
{
//
// Default constructor
//
fIshunt = 0;
- fHits = 0;
- fDigits = 0;
- fNsectors = 0;
- fDigitsArray = 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;
- fSens = 0;
-
}
//_____________________________________________________________________________
AliTPC::AliTPC(const char *name, const char *title)
- : AliDetector(name,title)
+ : AliDetector(name,title),
+ fDefaults(0),
+ fSens(0),
+ fNsectors(0),
+ fDigitsArray(0),
+ fTPCParam(0),
+ fTrackHits(0),
+ fHitType(0),
+ fDigitsSwitch(0),
+ fSide(0),
+ fPrimaryIonisation(0),
+ fNoiseDepth(0),
+ fNoiseTable(0),
+ fCurrentNoise(0),
+ fActiveSectors(0),
+ fGainFactor(1.)
+
{
//
// Standard constructor
// Initialise arrays of hits and digits
fHits = new TClonesArray("AliTPChit", 176);
gAlice->GetMCApp()->AddHitList(fHits);
- fDigitsArray = 0;
- fDefaults = 0;
//
fTrackHits = new AliTPCTrackHitsV2;
fTrackHits->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;
+
+
//
fIshunt = 0;
//
// Initialise color attributes
- SetMarkerColor(kYellow);
+ //PH SetMarkerColor(kYellow);
//
// Set TPC parameters
AliWarning("In Config.C you must set non-default parameters.");
fTPCParam=0;
}
- fSens = 0;
-
}
//_____________________________________________________________________________
-AliTPC::AliTPC(const AliTPC& t):AliDetector(t){
- //
- // dummy copy constructor
- //
-}
AliTPC::~AliTPC()
{
//
AliMixture(12,"Ne-CO2-N-1",amat,zmat,density,4,wmat);
AliMixture(13,"Ne-CO2-N-2",amat,zmat,density,4,wmat);
-
+ AliMixture(30,"Ne-CO2-N-3",amat,zmat,density,4,wmat);
//----------------------------------------------------------------------
// solid materials
//----------------------------------------------------------------------
AliMedium(1, "Ne-CO2-N-1", 12, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(2, "Ne-CO2-N-2", 13, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
-
+ AliMedium(20, "Ne-CO2-N-3", 30, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
//-----------------------------------------------------------
// tracking media for solids
//-----------------------------------------------------------
{
// activate interesting sectors
SetTreeAddress();//just for security
- if (fActiveSectors) delete [] fActiveSectors;
- fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
+ if (!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;
//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 (!fActiveSectors) fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
if (flag) {
for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE;
return;
br1->GetEvent(track);
br2->GetEvent(track);
Int_t *volumes = fTrackHits->GetVolumes();
- for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++)
- fActiveSectors[volumes[j]]=kTRUE;
+ for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++) {
+ if (volumes[j]>-1 && volumes[j]<fTPCParam->GetNSector()) {
+ fActiveSectors[volumes[j]]=kTRUE;
+ }
+ else {
+ AliError(Form("Volume %d -> sector number %d is outside (0..%d)",
+ j,
+ volumes[j],
+ fTPCParam->GetNSector()));
+ }
+ }
}
//
AliRunLoader* runLoader = fLoader->GetRunLoader();
for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
- runLoader->GetEvent(iEvent);
- SetActiveSectors();
+ //PH runLoader->GetEvent(iEvent);
Hits2Digits(iEvent);
}
//----------------------------------------------------
AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName());
rl->GetEvent(eventnumber);
+ SetActiveSectors();
if (fLoader->TreeH() == 0x0) {
if(fLoader->LoadHits()) {
AliError("Can not load hits.");
// contains the track label and the position of electrons.
//-----------------------------------------------------------------
+ //
+ // The trasport of the electrons through TPC drift volume
+ // Drift (drift velocity + velocity map(not yet implemented)))
+ // Application of the random processes (diffusion, gas gain)
+ // Systematic effects (ExB effect in drift volume + ROCs)
+ //
+ // Algorithm:
+ // Loop over primary electrons:
+ // Creation of the secondary electrons
+ // Loop over electrons (primary+ secondaries)
+ // Global coordinate frame:
+ // 1. Skip electrons if attached
+ // 2. ExB effect in drift volume
+ // a.) Simulation calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ // b.) Reconstruction - calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ // 3. Generation of gas gain (Random - Exponential distribution)
+ // 4. TransportElectron function (diffusion)
+ //
+ // 5. Conversion to the local coordinate frame pad-row, pad, timebin
+ // 6. Apply Time0 shift - AliTPCCalPad class
+ // a.) Plus sign in simulation
+ // b.) Minus sign in reconstruction
+ // end of loop
+ //
//-----------------------------------------------------------------
// Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
+ // Origin: Marian Ivanov, marian.ivanov@cern.ch
//-----------------------------------------------------------------
+ AliTPCcalibDB* const calib=AliTPCcalibDB::Instance();
Float_t gasgain = fTPCParam->GetGasGain();
+ gasgain = gasgain/fGainFactor;
Int_t i;
Float_t xyz[5];
}
// Remove hits which arrive before the TPC opening gate signal
- if(((fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z()))
+ if(((fTPCParam->GetZLength(isec)-TMath::Abs(tpcHit->Z()))
/fTPCParam->GetDriftV()+tpcHit->Time())<fTPCParam->GetGateDelay()) {
tpcHit = (AliTPChit*) NextHit();
continue;
//---------------------------------------------------
- Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z()))
+ Float_t time = 1.e6*(fTPCParam->GetZLength(isec)-TMath::Abs(tpcHit->Z()))
/fTPCParam->GetDriftV();
// in microseconds!
Float_t attProb = fTPCParam->GetAttCoef()*
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();
+
+ //
+ // ExB effect
+ //
+ Double_t dxyz0[3],dxyz1[3];
+ dxyz0[0]=tpcHit->X();
+ dxyz0[1]=tpcHit->Y();
+ dxyz0[2]=tpcHit->Z();
+ if (calib->GetExB()){
+ calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ }else{
+ AliError("Not valid ExB calibration");
+ dxyz1[0]=tpcHit->X();
+ dxyz1[1]=tpcHit->Y();
+ dxyz1[2]=tpcHit->Z();
+ }
+ xyz[0]=dxyz1[0];
+ xyz[1]=dxyz1[1];
+ xyz[2]=dxyz1[2];
+ //
+ //
//
// 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);
+ //
+ // Add Time0 correction due unisochronity
+ // xyz[0] - pad row coordinate
+ // xyz[1] - pad coordinate
+ // xyz[2] - is in now time bin coordinate system
+ Float_t correction =0;
+ if (calib->GetPadTime0()){
+ if (!calib->GetPadTime0()->GetCalROC(isec)) continue;
+ correction = calib->GetPadTime0()->GetCalROC(isec)->GetValue(TMath::Nint(xyz[0]),TMath::Nint(xyz[1]));
+ }
+ xyz[2]+=correction;
+ //
// Electron track time (for pileup simulation)
xyz[4] = tpcHit->Time()/fTPCParam->GetTSample();
// row 0 - cross talk from the innermost row
Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index);
xyz[1]+=dx*(fTPCParam->GetOmegaTau());
}
- //add nonisochronity (not implemented yet)
+ //add nonisochronity (not implemented yet)
+
+
}
ClassImp(AliTPChit)
-
+ //______________________________________________________________________
+ AliTPChit::AliTPChit()
+ :AliHit(),
+ fSector(0),
+ fPadRow(0),
+ fQ(0),
+ fTime(0)
+{
+ //
+ // default
+ //
+
+}
//_____________________________________________________________________________
-AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
-AliHit(shunt,track)
+AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits)
+ :AliHit(shunt,track),
+ fSector(0),
+ fPadRow(0),
+ fQ(0),
+ fTime(0)
{
//
// Creates a TPC hit object
for(trk=0; trk<tracks; ++trk) {
if(ntrk[trk]) {
points = new AliPoints();
- points->SetMarkerColor(GetMarkerColor());
- points->SetMarkerSize(GetMarkerSize());
+ points->SetMarkerColor(kYellow); //PH kYellow it the default in TPC
+ points->SetMarkerSize(1);//PH Default size=1
points->SetDetector(this);
points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle());
+ points->SetPolyMarker(ntrk[trk],coor[trk],1); // Default style=1
fPoints->AddAt(points,trk);
delete [] coor[trk];
coor[trk]=0;
for(trk=0; trk<tracks; ++trk) {
if(ntrk[trk]) {
points = new AliPoints();
- points->SetMarkerColor(GetMarkerColor()+1);
+ points->SetMarkerColor(kMagenta); //PH kYellow + 1 is kMagenta
points->SetMarkerStyle(5);
points->SetMarkerSize(0.2);
points->SetDetector(this);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff