#include "AliMagF.h"
#include "AliRun.h"
#include "AliMC.h"
+#include "AliTrackReference.h"
#include "AliLog.h"
#include <TRandom.h>
//___________________________________________
AliMUONv1::AliMUONv1()
: AliMUON(),
- fStepManagerVersionOld(kTRUE),
- fStepManagerVersionDE(kTRUE),
fAngleEffect(kTRUE),
fStepMaxInActiveGas(0.6),
fStepSum(0x0),
const char* sDigitizerClassName,
const char* digitizerClassName)
: AliMUON(name,title,sDigitizerClassName,digitizerClassName),
- fStepManagerVersionOld(kTRUE),
- fStepManagerVersionDE(kTRUE),
fAngleEffect(kTRUE),
fStepMaxInActiveGas(0.6),
fStepSum(0x0),
void AliMUONv1::StepManager()
{
/// Step manager for the chambers
-/// TBR
-
- if (fStepManagerVersionDE) {
- StepManager2();
- return;
- }
-
// Only charged tracks
if( !(gMC->TrackCharge()) ) return;
// Only gas gap inside chamber
// Tag chambers and record hits when track enters
- static Int_t idvol=-1;
+ static Int_t idvol=-1, iEnter = 0;
Int_t iChamber=0;
Int_t id=0;
Int_t copy;
const Float_t kBig = 1.e10;
-
+ static Double_t xyzEnter[3];
//
// Only gas gap inside chamber
idvol = iChamber -1;
if (idvol == -1) return;
-
- // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
- if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
- AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
-
- if( gMC->IsTrackEntering() ) {
- Float_t theta = fTrackMomentum.Theta();
- if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
- }
-
- // AliDebug(1,
- // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
- // ( (AliMUONChamber*)(*fChambers)[idvol])->Z()));
- // Particule id and mass,
- Int_t ipart = gMC->TrackPid();
- Float_t mass = gMC->TrackMass();
-
- fDestepSum[idvol]+=gMC->Edep();
- // Get current particle id (ipart), track position (pos) and momentum (mom)
- if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
- fStepSum[idvol]+=gMC->TrackStep();
- // if(AliDebugLevel()) {
- // AliDebug(1,
- // Form("iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
- // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
- // mass, fStepSum[idvol], gMC->Edep()));
- // AliDebug(1,
- // Form("Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
- // fTrackMomentum.Z()));
- // gMC->TrackPosition(fTrackPosition);
- // AliDebug(1,
- // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),
- // fTrackPosition.Z())) ;
- // }
-
- // Track left chamber or StepSum larger than fStepMaxInActiveGas
- if ( gMC->IsTrackExiting() ||
- gMC->IsTrackStop() ||
- gMC->IsTrackDisappeared()||
- (fStepSum[idvol]>fStepMaxInActiveGas) ) {
-
- if ( gMC->IsTrackExiting() ||
- gMC->IsTrackStop() ||
- gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
-
- gMC->TrackPosition(fTrackPosition);
- Float_t theta = fTrackMomentum.Theta();
- Float_t phi = fTrackMomentum.Phi();
-
- TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
- fStepSum[idvol]/2.*sin(theta)*sin(phi),
- fStepSum[idvol]/2.*cos(theta),0.0 );
- // AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),
- // fTrackPosition.Y(),fTrackPosition.Z())) ;
- // AliDebug(1,Form("Exit: Track backToWire %f %f %f",backToWire.X(),
- // backToWire.Y(),backToWire.Z()) ;
- fTrackPosition-=backToWire;
-
- //-------------- Angle effect
- // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
-
- Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
- Float_t sigmaEffect10degrees;
- Float_t sigmaEffectThetadegrees;
- Float_t eLossParticleELossMip;
- Float_t yAngleEffect=0.;
- Float_t thetawires = TMath::Abs( TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) );// We use Pi-theta because z is negative
+ // Detection elements id
+ const AliMUONGeometryModule* kGeometryModule
+ = GetGeometry()->GetModule(iChamber-1);
+ AliMUONGeometryDetElement* detElement
+ = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
- if (fAngleEffect){
- if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
- betaxGamma=TMath::Log(betaxGamma);
- eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
- // 10 degrees is a reference for a model (arbitrary)
- sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
- // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
- sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
- if ( (iChamber==1) || (iChamber==2) )
- sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
- yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
- }
- }
-
- // Detection elements ids
- const AliMUONGeometryModule* kGeometryModule
- = GetGeometry()->GetModule(iChamber-1);
-
- AliMUONGeometryDetElement* detElement
- = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
-
- Int_t detElemId = 0;
- if (detElement) detElemId = detElement->GetUniqueID();
+ Int_t detElemId = 0;
+ if (detElement) detElemId = detElement->GetUniqueID();
- if (!detElemId) {
- cerr << "Chamber id: "
- << setw(3) << iChamber << " "
- << "Current SV: "
- << CurrentVolumePath()
- << " detElemId: "
- << setw(5) << detElemId
- << endl;
- Double_t x, y, z;
- gMC->TrackPosition(x, y, z);
- cerr << " global position: "
- << x << ", " << y << ", " << z
- << endl;
- AliWarning("DetElemId not identified.");
- }
+ if (!detElemId) {
+ cerr << "Chamber id: "
+ << setw(3) << iChamber << " "
+ << "Current SV: "
+ << CurrentVolumePath()
+ << " detElemId: "
+ << setw(5) << detElemId
+ << endl;
+ Double_t x, y, z;
+ gMC->TrackPosition(x, y, z);
+ cerr << " global position: "
+ << x << ", " << y << ", " << z
+ << endl;
+ AliError("DetElemId not identified.");
+ }
- // One hit per chamber
- GetMUONData()->AddHit(fIshunt,
- gAlice->GetMCApp()->GetCurrentTrackNumber(),
- iChamber, ipart,
- fTrackPosition.X(),
- fTrackPosition.Y()+yAngleEffect,
- fTrackPosition.Z(),
- gMC->TrackTime(),
- fTrackMomentum.P(),
- theta,
- phi,
- fStepSum[idvol],
- fDestepSum[idvol],
- fTrackPosition.X(),
- fTrackPosition.Y(),
- fTrackPosition.Z());
-
-// if (AliDebugLevel()){
-// AliDebug(1,Form("Exit: Particle exiting from chamber %d",iChamber));
-// AliDebug(1,Form("Exit: StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]));
-// AliDebug(1,Form("Exit: Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z())) ;
-// }
- fStepSum[idvol] =0; // Reset for the next event
- fDestepSum[idvol]=0; // Reset for the next event
- }
-}
-
-//_______________________________________________________________________________
-void AliMUONv1::StepManager2()
-{
-/// Step manager for the chambers
-
- // Only charged tracks
- if( !(gMC->TrackCharge()) ) return;
- // Only charged tracks
-
- // Only gas gap inside chamber
- // Tag chambers and record hits when track enters
- static Int_t idvol=-1, iEnter = 0;
- Int_t iChamber=0;
- Int_t id=0;
- Int_t copy;
- const Float_t kBig = 1.e10;
- static Double_t xyzEnter[3];
-
- //
- // Only gas gap inside chamber
- // Tag chambers and record hits when track enters
- id=gMC->CurrentVolID(copy);
- iChamber = GetChamberId(id);
- idvol = iChamber -1;
-
- if (idvol == -1) return;
-
// Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
- if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
- AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) ) {
+ AliTrackReference* trackReference
+ = AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ trackReference->SetUserId(detElemId);
+ }
- if( gMC->IsTrackEntering() ) {
+ if( gMC->IsTrackEntering() ) {
Float_t theta = fTrackMomentum.Theta();
if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
iEnter = 1;
}
}
- // Detection elements ids
- const AliMUONGeometryModule* kGeometryModule
- = GetGeometry()->GetModule(iChamber-1);
-
- AliMUONGeometryDetElement* detElement
- = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
-
- Int_t detElemId = 0;
- if (detElement) detElemId = detElement->GetUniqueID();
-
- if (!detElemId) {
- cerr << "Chamber id: "
- << setw(3) << iChamber << " "
- << "Current SV: "
- << CurrentVolumePath()
- << " detElemId: "
- << setw(5) << detElemId
- << endl;
- Double_t x, y, z;
- gMC->TrackPosition(x, y, z);
- cerr << " global position: "
- << x << ", " << y << ", " << z
- << endl;
- AliError("DetElemId not identified.");
- }
-
// One hit per chamber
GetMUONData()->AddHit2(fIshunt,
gAlice->GetMCApp()->GetCurrentTrackNumber(),
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff