/* $Id$ */
-/////////////////////////////////////////////////////////
-// Manager and hits classes for set:MUON version 1 //
-/////////////////////////////////////////////////////////
-
-#include <TRandom.h>
-#include <TF1.h>
-#include <TClonesArray.h>
-#include <TRandom.h>
-#include <TVirtualMC.h>
-#include <TGeoMatrix.h>
+// --------------------
+// Class AliMUONv1
+// --------------------
+// AliDetector class for MUON subsystem which implements
+// functions for simulation
#include "AliMUONv1.h"
-#include "AliConst.h"
-#include "AliMUONChamber.h"
#include "AliMUONConstants.h"
-#include "AliMUONFactory.h"
+#include "AliMUONSegFactory.h"
+#include "AliMUONResponseFactory.h"
+#include "AliMUONSegmentation.h"
#include "AliMUONHit.h"
#include "AliMUONTriggerCircuit.h"
#include "AliMUONGeometryBuilder.h"
+#include "AliMUONGeometry.h"
+#include "AliMUONGeometryTransformer.h"
#include "AliMUONGeometryModule.h"
-#include "AliMUONGeometrySVMap.h"
+#include "AliMUONStringIntMap.h"
#include "AliMUONGeometryDetElement.h"
+
+#include "AliConst.h"
#include "AliMagF.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliLog.h"
+#include <TRandom.h>
+#include <TF1.h>
+#include <TClonesArray.h>
+#include <TRandom.h>
+#include <TVirtualMC.h>
+#include <TGeoMatrix.h>
+
+#include <string>
+
ClassImp(AliMUONv1)
//___________________________________________
AliMUONv1::AliMUONv1()
: AliMUON(),
- fStepManagerVersionOld(kFALSE),
+ fStepManagerVersionOld(kTRUE),
+ fStepManagerVersionDE(kTRUE),
fAngleEffect(kTRUE),
fStepMaxInActiveGas(0.6),
fStepSum(0x0),
fAngleEffect10(0x0),
fAngleEffectNorma(0x0)
{
-// Default constructor
+/// Default constructor
+
+ AliDebug(1,Form("default (empty) ctor this=%p",this));
}
//___________________________________________
-AliMUONv1::AliMUONv1(const char *name, const char *title)
- : AliMUON(name,title),
- fStepManagerVersionOld(kFALSE),
+AliMUONv1::AliMUONv1(const char *name, const char *title,
+ const char* sDigitizerClassName,
+ const char* digitizerClassName)
+: AliMUON(name,title,sDigitizerClassName,digitizerClassName),
+ fStepManagerVersionOld(kTRUE),
+ fStepManagerVersionDE(kTRUE),
fAngleEffect(kTRUE),
fStepMaxInActiveGas(0.6),
fStepSum(0x0),
fAngleEffect10(0x0),
fAngleEffectNorma(0x0)
{
-// Standard onstructor
+/// Standard onstructor
+ AliDebug(1,Form("ctor this=%p",this));
+
// By default include all stations
- AliMUONFactory factory;
- factory.Build(this, title);
fStepSum = new Float_t [AliMUONConstants::NCh()];
fDestepSum = new Float_t [AliMUONConstants::NCh()];
AliMUONv1::AliMUONv1(const AliMUONv1& right)
: AliMUON(right)
{
- // copy constructor (not implemented)
+/// Copy constructor (not implemented)
AliFatal("Copy constructor not provided.");
}
//___________________________________________
AliMUONv1::~AliMUONv1()
{
-// Destructor
-
+/// Destructor
+
+ AliDebug(1,Form("dtor this=%p",this));
delete [] fStepSum;
delete [] fDestepSum;
delete fElossRatio;
delete fAngleEffect10;
- delete fAngleEffectNorma;
+ delete fAngleEffectNorma;
}
//_____________________________________________________________________________
AliMUONv1& AliMUONv1::operator=(const AliMUONv1& right)
{
- // assignement operator (not implemented)
+/// Assignement operator (not implemented)
// check assignement to self
if (this == &right) return *this;
//__________________________________________________
void AliMUONv1::CreateGeometry()
{
-//
-// Construct geometry using geometry builder
-//
+/// Construct geometry using geometry builder
fGeometryBuilder->CreateGeometry();
}
//________________________________________________________________
void AliMUONv1::CreateMaterials()
{
-//
-// Construct materials using geometry builder
-//
+/// Construct materials using geometry builder
fGeometryBuilder->CreateMaterials();
}
//___________________________________________
void AliMUONv1::Init()
-{
- //
- // Initialize Tracking Chambers
- //
- AliDebug(1,"Start Init for version 1 - CPC chamber type");
- Int_t i;
- for (i=0; i<AliMUONConstants::NCh(); i++) {
- ( (AliMUONChamber*) (*fChambers)[i])->Init();
- }
+{
+/// Initialize geometry
+
+ AliDebug(1,"Start Init for version 1 - CPC chamber type");
- //
- // Initialize geometry
- //
- fGeometryBuilder->InitGeometry();
- AliDebug(1,"Finished Init for version 1 - CPC chamber type");
-
- //cp
- AliDebug(1,"Start Init for Trigger Circuits");
- for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
- ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i);
- }
- AliDebug(1,"Finished Init for Trigger Circuits");
- //cp
-
- //
- // Debug info
- //
- // Print transformations and SV map
- for (i=0; i<AliMUONConstants::NCh(); i++) {
-
- AliDebug(2,Form("Chamber: %d \n" , i+1 ));
- AliDebug(2,"===================\n");
-
- // To do - move PrintLocalTransforms to geometryModule
- //Chamber(i).GetGeometry()
- // ->GetDetElementStore()->PrintLocalTransforms();
+ fGeometryBuilder->InitGeometry();
+ AliDebug(1,"Finished Init for version 1 - CPC chamber type");
- if (GetDebug() >1) Chamber(i).GetGeometry()->GetSVMap()->Print("");
- }
- AliDebug(2,"\n");
+
+ std::string ftype(GetTitle());
+
+ // Build segmentation
+ // using geometry parametrisation
+ //
+ AliMUONSegFactory segFactory(GetGeometryTransformer());
+ fSegmentation = segFactory.CreateSegmentation(ftype);
+
+ if (!fSegmentation) {
+ AliFatal(Form("Wrong factory type : %s",ftype.c_str()));
+ }
+
+ // Build response
+ //
+ AliMUONResponseFactory respFactory("default");
+ respFactory.Build(this);
+
+
+ // Initialize segmentation
+ //
+ fSegmentation->Init();
+
+ // Initialize trigger circuits
+ //
+ for (Int_t i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
+ AliMUONTriggerCircuit* c = (AliMUONTriggerCircuit*)(fTriggerCircuits->At(i));
+ c->Init(i);
+// c->Print();
+ }
+
}
//__________________________________________________________________
Int_t AliMUONv1::GetChamberId(Int_t volId) const
{
-// Check if the volume with specified volId is a sensitive volume (gas)
-// of some chamber and returns the chamber number;
-// if not sensitive volume - return 0.
-// ---
-
-/*
- for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++)
- if (volId==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) return i;
-*/
- for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++)
- if ( ((AliMUONChamber*)(*fChambers)[i-1])->IsSensId(volId) ) return i;
+/// Check if the volume with specified volId is a sensitive volume (gas)
+/// of some chamber and returns the chamber number;
+/// if not sensitive volume - return 0.
+
+ for (Int_t i = 0; i < AliMUONConstants::NCh(); i++) {
+ if ( GetGeometry()->GetModule(i)->IsSensitiveVolume(volId) )
+ return i+1;
+ }
return 0;
}
//_______________________________________________________________________________
TString AliMUONv1::CurrentVolumePath() const
{
-// Returns current volume path
-// (Could be removed when this function is available via gMC)
-// ---
+/// Return current volume path
+/// (Could be removed when this function is available via gMC)
TString path = "";
TString name;
gMC->CurrentVolOffID(imother++, copyNo);
TString add = "/";
add += name;
- add += ".";
+ add += "_";
add += copyNo;
path.Insert(0,add);
}
//_______________________________________________________________________________
void AliMUONv1::StepManager()
{
- // Stepmanager for the chambers
+/// Step manager for the chambers
+/// TBR
- if (fStepManagerVersionOld) {
- StepManagerOld();
+ if (fStepManagerVersionDE) {
+ StepManager2();
return;
}
+
// Only charged tracks
- if( !(gMC->TrackCharge()) && !(gMC->TrackPid()==0) ) return;
+ if( !(gMC->TrackCharge()) ) return;
// Only charged tracks
// Only gas gap inside chamber
idvol = iChamber -1;
if (idvol == -1) return;
-
- if (GetDebug() > 1) {
- // Fill the global position of detection elements
- // Only for verification
- AliMUONGeometrySVMap* svMap
- = Chamber(iChamber-1).GetGeometry()->GetSVMap();
- Double_t x, y, z;
- gMC->TrackPosition(x, y, z);
- svMap->AddPosition(CurrentVolumePath(), TGeoTranslation(x, y, z));
- }
-
- if (gMC->TrackPid()==0) return;
// Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) )
if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
}
-// if (GetDebug()) {
-// Float_t z = ( (AliMUONChamber*)(*fChambers)[idvol])->Z() ;
-// Info("StepManager Step","Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber, z);
-// }
- // Particule id and mass,
+ // 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();
if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
fStepSum[idvol]+=gMC->TrackStep();
-// if (GetDebug()) {
-// Info("StepManager Step","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());// Info("StepManager Step","Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(), fTrackMomentum.Z()) ;
-// gMC->TrackPosition(fTrackPosition);
-// Info("StepManager Step","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
-// }
+ // 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() ||
TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
fStepSum[idvol]/2.*sin(theta)*sin(phi),
fStepSum[idvol]/2.*cos(theta),0.0 );
- // if (GetDebug())
- // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
- // if (GetDebug())
- // Info("StepManager Exit ","Track backToWire %f %f %f",backToWire.X(),backToWire.Y(),backToWire.Z()) ;
+ // 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
}
// Detection elements ids
- AliMUONGeometryModule* geometry
- = Chamber(iChamber-1).GetGeometry();
+ const AliMUONGeometryModule* kGeometryModule
+ = GetGeometry()->GetModule(iChamber-1);
AliMUONGeometryDetElement* detElement
- = geometry->FindBySensitiveVolume(CurrentVolumePath());
+ = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
Int_t detElemId = 0;
if (detElement) detElemId = detElement->GetUniqueID();
fTrackPosition.Y(),
fTrackPosition.Z());
-// if (GetDebug()){
-// Info("StepManager Exit","Particle exiting from chamber %d",iChamber);
-// Info("StepManager Exit","StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]);
-// Info("StepManager Exit","Track Position %f %f %f",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::StepManagerOld()
+//_______________________________________________________________________________
+void AliMUONv1::StepManager2()
{
- // Old Stepmanager for the chambers
- Int_t copy, id;
- static Int_t idvol =-1;
- static Int_t vol[2];
- Int_t ipart;
- TLorentzVector pos;
- TLorentzVector mom;
- Float_t theta,phi;
- Float_t destep, step;
-
- static Float_t sstep;
- static Float_t eloss, eloss2, xhit, yhit, zhit, tof, tlength;
- const Float_t kBig = 1.e10;
- static Float_t hits[15];
-
- TClonesArray &lhits = *fHits;
+/// 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);
- vol[0] = GetChamberId(id);
- idvol = vol[0] -1;
+ 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() ) {
+ Float_t theta = fTrackMomentum.Theta();
+ if ((TMath::Pi()-theta)*kRaddeg>=15.) gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
+ iEnter = 1;
+ gMC->TrackPosition(xyzEnter[0], xyzEnter[1], xyzEnter[2]); // save coordinates of entrance point
+ }
- //
- // Get current particle id (ipart), track position (pos) and momentum (mom)
- gMC->TrackPosition(pos);
- gMC->TrackMomentum(mom);
+ // 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();
- ipart = gMC->TrackPid();
+ 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("Step, 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("Step:Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
+ // fTrackMomentum.Z()));
+ // gMC->TrackPosition(fTrackPosition);
+ // AliDebug(1,Form("Step: Track Position %f %f %f",fTrackPosition.X(),
+ // fTrackPosition.Y(),fTrackPosition.Z())) ;
+ //}
- //
- // momentum loss and steplength in last step
- destep = gMC->Edep();
- step = gMC->TrackStep();
- // cout<<"------------"<<step<<endl;
- //
- // record hits when track enters ...
- if( gMC->IsTrackEntering()) {
-
- gMC->SetMaxStep(fMaxStepGas);
- Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
- Double_t rt = TMath::Sqrt(tc);
- Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
- Double_t tx = mom[0]/pmom;
- Double_t ty = mom[1]/pmom;
- Double_t tz = mom[2]/pmom;
- Double_t s = ((AliMUONChamber*)(*fChambers)[idvol])
- ->ResponseModel()
- ->Pitch()/tz;
- theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
- phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
- hits[0] = Float_t(ipart); // Geant3 particle type
- hits[1] = pos[0]+s*tx; // X-position for hit
- hits[2] = pos[1]+s*ty; // Y-position for hit
- hits[3] = pos[2]+s*tz; // Z-position for hit
- hits[4] = theta; // theta angle of incidence
- hits[5] = phi; // phi angle of incidence
- hits[8] = 0;//PadHits does not exist anymore (Float_t) fNPadHits; // first padhit
- hits[9] = -1; // last pad hit
- hits[10] = mom[3]; // hit momentum P
- hits[11] = mom[0]; // Px
- hits[12] = mom[1]; // Py
- hits[13] = mom[2]; // Pz
- tof=gMC->TrackTime();
- hits[14] = tof; // Time of flight
- tlength = 0;
- eloss = 0;
- eloss2 = 0;
- sstep=0;
- xhit = pos[0];
- yhit = pos[1];
- zhit = pos[2];
- Chamber(idvol).ChargeCorrelationInit();
- // Only if not trigger chamber
-
-// printf("---------------------------\n");
-// printf(">>>> Y = %f \n",hits[2]);
-// printf("---------------------------\n");
+ // Track left chamber or StepSum larger than fStepMaxInActiveGas
+ if ( gMC->IsTrackExiting() ||
+ gMC->IsTrackStop() ||
+ gMC->IsTrackDisappeared()||
+ (fStepSum[idvol]>fStepMaxInActiveGas) ) {
-
-
- // if(idvol < AliMUONConstants::NTrackingCh()) {
-// //
-// // Initialize hit position (cursor) in the segmentation model
-// ((AliMUONChamber*) (*fChambers)[idvol])
-// ->SigGenInit(pos[0], pos[1], pos[2]);
-// } else {
-// //geant3->Gpcxyz();
-// //printf("In the Trigger Chamber #%d\n",idvol-9);
-// }
- }
- eloss2+=destep;
- sstep+=step;
+ if ( gMC->IsTrackExiting() ||
+ gMC->IsTrackStop() ||
+ gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
+ if (fDestepSum[idvol] == 0) {
+ // AZ - no energy release
+ fStepSum[idvol] = 0; // Reset for the next event
+ iEnter = 0;
+ return;
+ }
- // cout<<sstep<<endl;
+ gMC->TrackPosition(fTrackPosition);
+ Float_t theta = fTrackMomentum.Theta();
+ Float_t phi = fTrackMomentum.Phi();
+
+ Int_t merge = 0;
+ Double_t xyz0[3]={0}, xyz1[3]={0}, tmp[3]={0};
+ if (gMC->IsTrackExiting() && iEnter != 0) {
+ // AZ - this code is to avoid artificial hit splitting at the
+ // "fake" boundary inside the same chamber. It will still produce
+ // 2 hits but with the same coordinates (at the wire) to allow
+ // their merging at the digitization level.
+
+ // Only for a track going from the entrance to the exit from the volume
+ // Get local coordinates
+ gMC->Gmtod(xyzEnter, xyz0, 1); // local coord. at the entrance
+
+ fTrackPosition.Vect().GetXYZ(tmp);
+ gMC->Gmtod(tmp, xyz1, 1); // local coord. at the exit
+ Float_t dx = xyz0[0] - xyz1[0];
+ Float_t dy = xyz0[1] - xyz1[1];
+ Float_t thLoc = TMath::ATan2 (TMath::Sqrt(dx*dx+dy*dy), TMath::Abs(xyz0[2]-xyz1[2]));
+ if (thLoc * TMath::RadToDeg() < 15) merge = 1;
+ }
- //
- // Calculate the charge induced on a pad (disintegration) in case
- //
- // Mip left chamber ...
- if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
- gMC->SetMaxStep(kBig);
- eloss += destep;
- tlength += step;
-
- Float_t x0,y0,z0;
- Float_t localPos[3];
- Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
- gMC->Gmtod(globalPos,localPos,1);
-
- if(idvol < AliMUONConstants::NTrackingCh()) {
-// tracking chambers
- x0 = 0.5*(xhit+pos[0]);
- y0 = 0.5*(yhit+pos[1]);
- z0 = 0.5*(zhit+pos[2]);
- } else {
-// trigger chambers
- x0 = xhit;
- y0 = yhit;
- z0 = 0.;
- }
-
-
- // if (eloss >0) MakePadHits(x0,y0,z0,eloss,tof,idvol);
-
-
- hits[6] = tlength; // track length
- hits[7] = eloss2; // de/dx energy loss
-
-
- // if (fNPadHits > (Int_t)hits[8]) {
- // hits[8] = hits[8]+1;
- // hits[9] = 0: // PadHits does not exist anymore (Float_t) fNPadHits;
- //}
-//
-// new hit
-
- new(lhits[fNhits++])
- AliMUONHit(fIshunt, gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
- eloss = 0;
- //
- // Check additional signal generation conditions
- // defined by the segmentation
- // model (boundary crossing conditions)
- // only for tracking chambers
- } else if
- ((idvol < AliMUONConstants::NTrackingCh()) &&
- ((AliMUONChamber*) (*fChambers)[idvol])->SigGenCond(pos[0], pos[1], pos[2]))
- {
- ((AliMUONChamber*) (*fChambers)[idvol])
- ->SigGenInit(pos[0], pos[1], pos[2]);
-
- Float_t localPos[3];
- Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
- gMC->Gmtod(globalPos,localPos,1);
-
- eloss += destep;
-
- // if (eloss > 0 && idvol < AliMUONConstants::NTrackingCh())
- // MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),pos[2],eloss,tof,idvol);
- xhit = pos[0];
- yhit = pos[1];
- zhit = pos[2];
- eloss = 0;
- tlength += step ;
- //
- // nothing special happened, add up energy loss
- } else {
- eloss += destep;
- tlength += step ;
- }
-}
+ if (merge) {
+ Double_t dz = -0.5;
+ if (xyz1[2] != xyz0[2]) dz = xyz0[2] / (xyz1[2] - xyz0[2]);
+ tmp[0] = xyz0[0] - (xyz1[0] - xyz0[0]) * dz; // local coord. at the wire
+ tmp[1] = xyz0[1] - (xyz1[1] - xyz0[1]) * dz;
+ tmp[2] = xyz0[2] - (xyz1[2] - xyz0[2]) * dz;
+ gMC->Gdtom(tmp, xyz1, 1); // global coord. at the wire
+ fTrackPosition.SetXYZT(xyz1[0], xyz1[1], xyz1[2], fTrackPosition.T());
+ } else {
+ TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
+ fStepSum[idvol]/2.*sin(theta)*sin(phi),
+ fStepSum[idvol]/2.*cos(theta),0.0 );
+ fTrackPosition-=backToWire;
+ //printf(" %d %d %d %f %d \n", gMC->IsTrackExiting(), gMC->IsTrackStop(), gMC->IsTrackDisappeared(), fStepSum[idvol], iEnter);
+ // AliDebug(1,
+ // Form("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())) ;
+ }
+
+ //-------------- 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
-//______________________________________________________________________________
-void AliMUONv1::FinishRun()
-{
-// Print debug info
-// ---
-
- if (GetDebug() <= 1) return;
-
- // Print the global positions of detection elements
- for (Int_t i=0; i<AliMUONConstants::NCh(); i++) {
-
- AliDebug(2,Form("Chamber: %d\n" , i+1 ));
- AliDebug(2,"===================\n");
-
- AliMUONGeometrySVMap* svMap
- = Chamber(i).GetGeometry()->GetSVMap();
-
- svMap->SortPositions();
- svMap->PrintPositions();
- svMap->ClearPositions();
+
+ 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();
+
+ 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(),
+ detElemId, ipart,
+ fTrackPosition.X(),
+ fTrackPosition.Y()+yAngleEffect,
+ fTrackPosition.Z(),
+ gMC->TrackTime(),
+ fTrackMomentum.P(),
+ theta,
+ phi,
+ fStepSum[idvol],
+ fDestepSum[idvol],
+ fTrackPosition.X(),
+ fTrackPosition.Y(),
+ fTrackPosition.Z());
+
+ // 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
+ iEnter = 0;
}
- AliDebug(2,"\n");
-}
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff