#include <TVector.h>
#include <TVirtualMC.h>
#include <TGeoManager.h>
+#include <TGeoMatrix.h>
#include <TGeoPhysicalNode.h>
#include "AliConst.h"
#include "AliTrackReference.h"
#include "AliMC.h"
#include "AliRun.h"
+#include "AliGeomManager.h"
#include "AliTRDgeometry.h"
+#include "AliTRDSimParam.h"
#include "AliTRDhit.h"
#include "AliTRDsimTR.h"
#include "AliTRDv1.h"
,fTR(NULL)
,fTypeOfStepManager(0)
,fStepSize(0)
+ ,fWion(0)
,fDeltaE(NULL)
,fDeltaG(NULL)
,fTrackLength0(0)
,fTR(NULL)
,fTypeOfStepManager(2)
,fStepSize(0.1)
+ ,fWion(0)
,fDeltaE(NULL)
,fDeltaG(NULL)
,fTrackLength0(0)
SetBufferSize(128000);
+ if (AliTRDSimParam::Instance()->IsXenon()) {
+ fWion = 23.53; // Ionization energy XeCO2 (85/15)
+ }
+ else if (AliTRDSimParam::Instance()->IsArgon()) {
+ fWion = 27.21; // Ionization energy ArCO2 (82/18)
+ }
+ else {
+ AliFatal("Wrong gas mixture");
+ exit(1);
+ }
+
}
//_____________________________________________________________________________
TString volPath;
TString symName;
- TString vpStr = "ALIC_1/B077_1/BSEGMO";
- TString vpApp1 = "_1/BTRD";
- TString vpApp2 = "_1";
- TString vpApp3 = "/UTR1_1/UTS1_1/UTI1_1/UT";
+ TString vpStr = "ALIC_1/B077_1/BSEGMO";
+ TString vpApp1 = "_1/BTRD";
+ TString vpApp2 = "_1";
+ TString vpApp3a = "/UTR1_1/UTS1_1/UTI1_1/UT";
+ TString vpApp3b = "/UTR2_1/UTS2_1/UTI2_1/UT";
+ TString vpApp3c = "/UTR3_1/UTS3_1/UTI3_1/UT";
- TString snStr = "TRD/sm";
- TString snApp1 = "/st";
- TString snApp2 = "/pl";
+ TString snStr = "TRD/sm";
+ TString snApp1 = "/st";
+ TString snApp2 = "/pl";
//
// The super modules
// ...
// TRD/sm17
//
- for (Int_t isect = 0; isect < AliTRDgeometry::Nsect(); isect++) {
+ for (Int_t isector = 0; isector < AliTRDgeometry::Nsector(); isector++) {
volPath = vpStr;
- volPath += isect;
+ volPath += isector;
volPath += vpApp1;
- volPath += isect;
+ volPath += isector;
volPath += vpApp2;
symName = snStr;
- symName += Form("%02d",isect);
+ symName += Form("%02d",isector);
gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data());
// ...
// TRD/sm17/st4/pl5
//
- for (Int_t isect = 0; isect < AliTRDgeometry::Nsect(); isect++) {
- for (Int_t icham = 0; icham < AliTRDgeometry::Ncham(); icham++) {
- for (Int_t iplan = 0; iplan < AliTRDgeometry::Nplan(); iplan++) {
+ AliGeomManager::ELayerID idTRD1 = AliGeomManager::kTRD1;
+ Int_t layer, modUID;
+
+ for (Int_t isector = 0; isector < AliTRDgeometry::Nsector(); isector++) {
- Int_t idet = AliTRDgeometry::GetDetectorSec(iplan,icham);
+ if (fGeometry->GetSMstatus(isector) == 0) continue;
+
+ for (Int_t istack = 0; istack < AliTRDgeometry::Nstack(); istack++) {
+ for (Int_t ilayer = 0; ilayer < AliTRDgeometry::Nlayer(); ilayer++) {
+
+ layer = idTRD1 + ilayer;
+ modUID = AliGeomManager::LayerToVolUIDSafe(layer,isector*5+istack);
+
+ Int_t idet = AliTRDgeometry::GetDetectorSec(ilayer,istack);
volPath = vpStr;
- volPath += isect;
+ volPath += isector;
volPath += vpApp1;
- volPath += isect;
+ volPath += isector;
volPath += vpApp2;
- volPath += vpApp3;
+ switch (isector) {
+ case 13:
+ case 14:
+ case 15:
+ if (istack == 2) {
+ continue;
+ }
+ volPath += vpApp3c;
+ break;
+ case 11:
+ case 12:
+ volPath += vpApp3b;
+ break;
+ default:
+ volPath += vpApp3a;
+ };
volPath += Form("%02d",idet);
volPath += vpApp2;
symName = snStr;
- symName += Form("%02d",isect);
+ symName += Form("%02d",isector);
symName += snApp1;
- symName += icham;
+ symName += istack;
symName += snApp2;
- symName += iplan;
+ symName += ilayer;
TGeoPNEntry *alignableEntry =
- gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data());
+ gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data(),modUID);
// Add the tracking to local matrix following the TPC example
-
if (alignableEntry) {
- const char *path = alignableEntry->GetTitle();
- if (!gGeoManager->cd(path)) {
- AliFatal(Form("Volume path %s not valid!",path));
- }
- TGeoHMatrix *globMatrix = gGeoManager->GetCurrentMatrix();
- Double_t sectorAngle = 20.0 * (isect % 18) + 10.0;
+ // Is this correct still????
+ TGeoHMatrix *globMatrix = alignableEntry->GetGlobalOrig();
+ Double_t sectorAngle = 20.0 * (isector % 18) + 10.0;
TGeoHMatrix *t2lMatrix = new TGeoHMatrix();
t2lMatrix->RotateZ(sectorAngle);
t2lMatrix->MultiplyLeft(&(globMatrix->Inverse()));
else {
AliError(Form("Alignable entry %s is not valid!",symName.Data()));
}
+
}
}
}
// volume.
//
- // Ionization energy
- const Float_t kWion = 23.53;
-
// Maximum number of TR photons per track
const Int_t kNTR = 50;
// The absorbtion cross sections in the drift gas
// Gas-mixture (Xe/CO2)
- Double_t muXe = fTR->GetMuXe(energyMeV);
+ Double_t muNo = 0.0;
+ if (AliTRDSimParam::Instance()->IsXenon()) {
+ muNo = fTR->GetMuXe(energyMeV);
+ }
+ else if (AliTRDSimParam::Instance()->IsArgon()) {
+ muNo = fTR->GetMuAr(energyMeV);
+ }
Double_t muCO = fTR->GetMuCO(energyMeV);
- sigma = (0.85 * muXe + 0.15 * muCO) * fGasDensity * fTR->GetTemp();
+ sigma = (fGasNobleFraction * muNo + (1.0 - fGasNobleFraction) * muCO)
+ * fGasDensity
+ * fTR->GetTemp();
// The distance after which the energy of the TR photon
// is deposited.
posHit[2] = pos[2] + mom[2] / pTot * absLength;
// Create the charge
- Int_t q = ((Int_t) (energyeV / kWion));
+ Int_t q = ((Int_t) (energyeV / fWion));
// Add the hit to the array. TR photon hits are marked
// by negative charge
fTR = new AliTRDsimTR();
}
- // First ionization potential (eV) for the gas mixture (90% Xe + 10% CO2)
+ // First ionization potential (eV) for the gas mixture
const Float_t kPoti = 12.1;
// Maximum energy (50 keV);
const Float_t kEend = 50000.0;
// to Bethe-Bloch. The energy distribution of the delta electrons follows
// a spectrum taken from Geant3.
//
+ // Works only for Xe/CO2!!
+ //
// Version by A. Bercuci
//
- Int_t pla = 0;
- Int_t cha = 0;
- Int_t sec = 0;
- Int_t det = 0;
+ Int_t layer = 0;
+ Int_t stack = 0;
+ Int_t sector = 0;
+ Int_t det = 0;
Int_t iPdg;
Int_t qTot;
TArrayI processes;
- const Int_t kNplan = AliTRDgeometry::Nplan();
- const Int_t kNcham = AliTRDgeometry::Ncham();
- const Int_t kNdetsec = kNplan * kNcham;
+ const Int_t kNlayer = AliTRDgeometry::Nlayer();
+ const Int_t kNstack = AliTRDgeometry::Nstack();
+ const Int_t kNdetsec = kNlayer * kNstack;
const Double_t kBig = 1.0e+12; // Infinitely big
- const Float_t kWion = 23.53; // Ionization energy
const Float_t kPTotMaxEl = 0.002; // Maximum momentum for e+ e- g
// Minimum energy for the step size adjustment
cIdPath = gGeoManager->GetPath();
cIdSector[0] = cIdPath[21];
cIdSector[1] = cIdPath[22];
- sec = atoi(cIdSector);
+ sector = atoi(cIdSector);
- // The plane and chamber number
+ // The layer and stack number
cIdChamber[0] = cIdCurrent[2];
cIdChamber[1] = cIdCurrent[3];
Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
- cha = ((Int_t) idChamber / kNplan);
- pla = ((Int_t) idChamber % kNplan);
+ stack = ((Int_t) idChamber / kNlayer);
+ layer = ((Int_t) idChamber % kNlayer);
// The detector number
- det = fGeometry->GetDetector(pla,cha,sec);
+ det = fGeometry->GetDetector(layer,stack,sector);
// Special hits only in the drift region
if ((drRegion) &&
// entering the drift volume
if ((fTR) &&
(TMath::Abs(gMC->TrackPid()) == kPdgElectron)) {
- CreateTRhit(det);
+ CreateTRhit(det);
}
}
pid = 0;
}
else {
- pid = processes[nofprocesses-1];
+ pid = processes[nofprocesses-1];
}
// Generate Edep according to GEANT parametrisation
// Generate the electron cluster size
if (eDelta > 0.0) {
- qTot = ((Int_t) (eDelta / kWion) + 1);
+ qTot = ((Int_t) (eDelta / fWion) + 1);
// Create a new dEdx hit
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber()
// to Bethe-Bloch. The energy distribution of the delta electrons follows
// a spectrum taken from Ermilova et al.
//
+ // Works only for Xe/CO2!!
+ //
- Int_t pla = 0;
- Int_t cha = 0;
- Int_t sec = 0;
- Int_t det = 0;
+ Int_t layer = 0;
+ Int_t stack = 0;
+ Int_t sector = 0;
+ Int_t det = 0;
Int_t iPdg;
Int_t qTot;
TLorentzVector pos;
TLorentzVector mom;
- const Int_t kNplan = AliTRDgeometry::Nplan();
- const Int_t kNcham = AliTRDgeometry::Ncham();
- const Int_t kNdetsec = kNplan * kNcham;
+ const Int_t kNlayer = AliTRDgeometry::Nlayer();
+ const Int_t kNstack = AliTRDgeometry::Nstack();
+ const Int_t kNdetsec = kNlayer * kNstack;
const Double_t kBig = 1.0e+12; // Infinitely big
- const Float_t kWion = 23.53; // Ionization energy
const Float_t kPTotMaxEl = 0.002; // Maximum momentum for e+ e- g
// Minimum energy for the step size adjustment
cIdPath = gGeoManager->GetPath();
cIdSector[0] = cIdPath[21];
cIdSector[1] = cIdPath[22];
- sec = atoi(cIdSector);
+ sector = atoi(cIdSector);
// The plane and chamber number
cIdChamber[0] = cIdCurrent[2];
cIdChamber[1] = cIdCurrent[3];
Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
- cha = ((Int_t) idChamber / kNplan);
- pla = ((Int_t) idChamber % kNplan);
+ stack = ((Int_t) idChamber / kNlayer);
+ layer = ((Int_t) idChamber % kNlayer);
// The detector number
- det = fGeometry->GetDetector(pla,cha,sec);
+ det = fGeometry->GetDetector(layer,stack,sector);
// Special hits only in the drift region
if ((drRegion) &&
// entering the drift volume
if ((fTR) &&
(TMath::Abs(gMC->TrackPid()) == kPdgElectron)) {
- CreateTRhit(det);
+ CreateTRhit(det);
}
}
// Generate the electron cluster size
if (eDelta > 0.0) {
- qTot = ((Int_t) (eDelta / kWion) + 1);
+ qTot = ((Int_t) (eDelta / fWion) + 1);
// Create a new dEdx hit
if (drRegion) {
// along its path across the drift volume. The step size is fixed in
// this version of the step manager.
//
+ // Works for Xe/CO2 as well as Ar/CO2
+ //
// PDG code electron
const Int_t kPdgElectron = 11;
- Int_t pla = 0;
- Int_t cha = 0;
- Int_t sec = 0;
- Int_t det = 0;
+ Int_t layer = 0;
+ Int_t stack = 0;
+ Int_t sector = 0;
+ Int_t det = 0;
Int_t qTot;
Float_t hits[3];
TLorentzVector pos;
TLorentzVector mom;
- const Int_t kNplan = AliTRDgeometry::Nplan();
- const Int_t kNcham = AliTRDgeometry::Ncham();
- const Int_t kNdetsec = kNplan * kNcham;
+ const Int_t kNlayer = AliTRDgeometry::Nlayer();
+ const Int_t kNstack = AliTRDgeometry::Nstack();
+ const Int_t kNdetsec = kNlayer * kNstack;
const Double_t kBig = 1.0e+12;
-
- const Float_t kWion = 23.53; // Ionization energy
const Float_t kEkinMinStep = 1.0e-5; // Minimum energy for the step size adjustment
// Set the maximum step size to a very large number for all
cIdPath = gGeoManager->GetPath();
cIdSector[0] = cIdPath[21];
cIdSector[1] = cIdPath[22];
- sec = atoi(cIdSector);
+ sector = atoi(cIdSector);
// The plane and chamber number
cIdChamber[0] = cIdCurrent[2];
cIdChamber[1] = cIdCurrent[3];
Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
- cha = ((Int_t) idChamber / kNplan);
- pla = ((Int_t) idChamber % kNplan);
+ stack = ((Int_t) idChamber / kNlayer);
+ layer = ((Int_t) idChamber % kNlayer);
// The detector number
- det = fGeometry->GetDetector(pla,cha,sec);
+ det = fGeometry->GetDetector(layer,stack,sector);
// 0: InFlight 1:Entering 2:Exiting
Int_t trkStat = 0;
// entering the drift volume
if ((fTR) &&
(TMath::Abs(gMC->TrackPid()) == kPdgElectron)) {
- CreateTRhit(det);
+ CreateTRhit(det);
}
}
// Calculate the charge according to GEANT Edep
// Create a new dEdx hit
eDep = TMath::Max(gMC->Edep(),0.0) * 1.0e+09;
- qTot = (Int_t) (eDep / kWion);
+ qTot = (Int_t) (eDep / fWion);
if ((qTot) ||
(trkStat)) {
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber()
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff