#include "AliTPCParam.h"
#include "AliTPCTrackHitsV2.h"
#include "AliTPCv2.h"
+#include "AliGeomManager.h"
#include "TGeoVolume.h"
#include "TGeoPcon.h"
#include "TGeoTube.h"
Double_t x0,y0;
x0=110.2*TMath::Cos(openingAngle);
y0=110.2*TMath::Sin(openingAngle);
- TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //a-side
- TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //c-side
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
x0=188.45*TMath::Cos(openingAngle);
y0=188.45*TMath::Sin(openingAngle);
- TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //a-side
- TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //c-side
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
//
//
// A-side
void AliTPCv2::SetInnerChambersAlignable() const
{
//
- Int_t modnum = 0;
+ AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1;
+ Int_t modUID, modnum = 0;
TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
TString vpappend = "/TPC_IROC_1";
TString volpath, symname;
for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
volpath = vpstr1;
volpath += cnt;
volpath += vpappend;
symname = snstr1;
symname += cnt;
symname += snappend;
- if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
- //
- TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
- const char *path = alignableEntry->GetTitle();
- if (!gGeoManager->cd(path))
- AliFatal(Form("Volume path %s not valid!",path));
- TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1);
alignableEntry->SetMatrix(matTtoL);
- modnum++;
}
for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
volpath = vpstr2;
volpath += cnt;
volpath += vpappend;
symname = snstr2;
symname += cnt;
symname += snappend;
- if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
- TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
- const char *path = alignableEntry->GetTitle();
- if (!gGeoManager->cd(path))
- AliFatal(Form("Volume path %s not valid!",path));
- TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1);
alignableEntry->SetMatrix(matTtoL);
- modnum++;
}
}
void AliTPCv2::SetOuterChambersAlignable() const
{
//
- Int_t modnum = 0;
+ AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2;
+ Int_t modUID, modnum = 0;
TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
TString vpappend = "/TPC_OROC_1";
TString volpath, symname;
for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
volpath = vpstr1;
volpath += cnt;
volpath += vpappend;
symname = snstr1;
symname += cnt;
symname += snappend;
- if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
- TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
- const char *path = alignableEntry->GetTitle();
- if (!gGeoManager->cd(path))
- AliFatal(Form("Volume path %s not valid!",path));
- TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1);
alignableEntry->SetMatrix(matTtoL);
- modnum++;
}
for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
volpath = vpstr2;
volpath += cnt;
volpath += vpappend;
symname = snstr2;
symname += cnt;
symname += snappend;
- if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
- TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
- const char *path = alignableEntry->GetTitle();
- if (!gGeoManager->cd(path))
- AliFatal(Form("Volume path %s not valid!",path));
- TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1);
alignableEntry->SetMatrix(matTtoL);
- modnum++;
}
}
fIDrift=gMC->VolId("TPC_Drift");
fSecOld=-100; // fake number
- gMC->SetMaxNStep(30000); // max. number of steps increased
+ gMC->SetMaxNStep(-30000); // max. number of steps increased
+
+ if (fPrimaryIonisation) {
+ gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
+
+ gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
+ gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
+ } else {
+ gMC->Gstpar(idtmed[2],"LOSS", 5); // specific energy loss
+ }
- gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss
AliInfo("*** TPC version 2 initialized ***");
AliInfo(Form("Maximum number of steps = %d",gMC->GetMaxNStep()));
vol[1]=0; // preset row number to 0
//
- gMC->SetMaxStep(kbig);
+ if (fPrimaryIonisation) gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared
// charged particle is in the sensitive drift volume
//-----------------------------------------------------------------
if(gMC->TrackStep() > 0) {
-
- Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ Int_t nel=0;
+ if (!fPrimaryIonisation) {
+ nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ }
+ else {
+ Float_t edep = gMC->Edep();
+ if (edep > 0.) nel = (Int_t)((gMC->Edep()*1.5)/kwIon) + 1;
+ }
nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
//
gMC->TrackPosition(p);
Float_t pp;
TLorentzVector mom;
- gMC->TrackMomentum(mom);
- Float_t ptot=mom.Rho();
- Float_t betaGamma = ptot/gMC->TrackMass();
-
- Int_t pid=gMC->TrackPid();
- if((pid==kElectron || pid==kPositron) && ptot > 0.002)
- {
- pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
- }
- else
- {
+ // below is valid only for Geant3 (fPromaryIonisation not set)
+ if(!fPrimaryIonisation){
+ gMC->TrackMomentum(mom);
+ Float_t ptot=mom.Rho();
+ Float_t betaGamma = ptot/gMC->TrackMass();
+
+ Int_t pid=gMC->TrackPid();
+ if((pid==kElectron || pid==kPositron) && ptot > 0.002)
+ {
+ pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
+ }
+ else
+ {
- betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
- pp=kprim*BetheBloch(betaGamma);
+ betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
+ pp=kprim*BetheBloch(betaGamma);
- if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
- Double_t rnd = gMC->GetRandom()->Rndm();
-
- gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+ Double_t rnd = gMC->GetRandom()->Rndm();
+ gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+ }
}