* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//
// Container class for AliGenerator and AfterBurners
// (which are AliGenerators as well) through recursion.
// The class provides also iterator functionality.
// Author: andreas.morsch@cern.ch and piotr.skowronski@cern.ch
//
+// 24.09.2001 Piotr Skowronski
+// debug -> gDebug,
+// fNEvents replaced with AliRunLoader::GetNumberOfEvents()
+//
+
+
+#include <Riostream.h>
+
+#include <TList.h>
+#include <TObjArray.h>
+#include <TParticle.h>
#include "AliGenCocktailAfterBurner.h"
#include "AliGenCocktailEntry.h"
-#include "AliRun.h"
+#include "AliGenCocktailEventHeader.h"
+#include "AliCollisionGeometry.h"
#include "AliStack.h"
-#include <TObjArray.h>
-#include <TList.h>
-#include <TParticle.h>
-#include <iostream.h>
+#include "AliMC.h"
+#include "AliRun.h"
+
-static const Bool_t debug = kFALSE;
ClassImp(AliGenCocktailAfterBurner)
+/*********************************************************************/
+/*********************************************************************/
-AliGenCocktailAfterBurner::AliGenCocktailAfterBurner()
+ AliGenCocktailAfterBurner::AliGenCocktailAfterBurner():
+ fNAfterBurners(0),
+ fAfterBurnerEntries(0),
+ fGenerationDone(kFALSE),
+ fInternalStacks(0),
+ fCollisionGeometries(0),
+ fHeaders(0),
+ fCurrentEvent(0),
+ fActiveStack(0),
+ fActiveEvent(-1),
+ fCurrentGenerator(0),
+ fNBgEvents(0)
{
// Constructor
- if (debug)
+ if (gDebug > 0)
cout<<"AliGenCocktailAfterBurner::AliGenCocktailAfterBurner()"<<endl;
SetName("AliGenCocktailAfterBurner");
SetTitle("AliGenCocktailAfterBurner");
- fInternalStacks =0;
- fCurrentEvent =0;
- fAfterBurnerEntries = new TList();
- fNAfterBurners = 0;
- fGenerationDone = kFALSE;
-
- fActiveEvent = -1;
}
+/*********************************************************************/
AliGenCocktailAfterBurner::~AliGenCocktailAfterBurner()
{
- fInternalStacks->SetOwner();
- delete fInternalStacks;
- delete fAfterBurnerEntries;
+//destructor
+
+ if (fInternalStacks) //delete stacks
+ {
+ fInternalStacks->SetOwner();
+ delete fInternalStacks;
+ }
+ if (fAfterBurnerEntries) delete fAfterBurnerEntries; //delete entries
+ Int_t numberOfEvents = AliRunLoader::Instance()->GetNumberOfEventsPerRun();
+ if (fCollisionGeometries) {
+ for (Int_t i = 0; i < (numberOfEvents + fNBgEvents); i++)
+ if (fCollisionGeometries[i]) delete fCollisionGeometries[i];
+ delete[] fCollisionGeometries;
+ }
+ if (fHeaders) {
+ for (Int_t i = 0; i < (numberOfEvents + fNBgEvents); i++)
+ if (fHeaders[i]) delete fHeaders[i];
+ delete[] fHeaders;
+ }
}
+/*********************************************************************/
+/*********************************************************************/
void AliGenCocktailAfterBurner::
AddAfterBurner(AliGenerator *AfterBurner, char* Name, Float_t RateExp)
//
// Forward parameters to the new AfterBurner
- if (debug)cout<<"AliGenCocktailAfterBurner::AddAfterBurner Named "<<Name<<endl;
+ if (gDebug>0)cout<<"AliGenCocktailAfterBurner::AddAfterBurner Named "<<Name<<endl;
- if(TestBit(kPtRange))
+ if(TestBit(kPtRange) && !(AfterBurner->TestBit(kPtRange)) && !(AfterBurner->TestBit(kMomentumRange)))
AfterBurner->SetPtRange(fPtMin,fPtMax);
- if(TestBit(kMomentumRange))
+ if(TestBit(kMomentumRange) && !(AfterBurner->TestBit(kPtRange)) && !(AfterBurner->TestBit(kMomentumRange)))
AfterBurner->SetMomentumRange(fPMin,fPMax);
- AfterBurner->SetYRange(fYMin,fYMax);
- AfterBurner->
- SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
- AfterBurner->
- SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
- AfterBurner->
- SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
- AfterBurner->
- SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
- AfterBurner->SetVertexSmear(fVertexSmear);
- AfterBurner->SetTrackingFlag(fTrackIt);
+ if (TestBit(kYRange) && !(AfterBurner->TestBit(kYRange)))
+ AfterBurner->SetYRange(fYMin,fYMax);
+ if (TestBit(kPhiRange) && !(AfterBurner->TestBit(kPhiRange)))
+ AfterBurner->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
+ if (TestBit(kThetaRange) && !(AfterBurner->TestBit(kThetaRange)) && !(AfterBurner->TestBit(kEtaRange)))
+ AfterBurner->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
+ if (!(AfterBurner->TestBit(kVertexRange))) {
+ AfterBurner->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
+ AfterBurner->SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
+ AfterBurner->SetVertexSmear(fVertexSmear);
+ AfterBurner->SetVertexSource(kContainer);
+ AfterBurner->SetTimeOrigin(fTimeOrigin);
+ }
+ AfterBurner->SetTrackingFlag(fTrackIt);
+ //AfterBurner->SetContainer(this);
+
//
// Add AfterBurner to list
AliGenCocktailEntry *entry =
new AliGenCocktailEntry(AfterBurner, Name, RateExp);
+ if (!fAfterBurnerEntries) fAfterBurnerEntries = new TList();
+
fAfterBurnerEntries->Add(entry);
fNAfterBurners++;
//
- SetNumberOfEvents(gAlice->GetEventsPerRun());
}
+/*********************************************************************/
+/*********************************************************************/
void AliGenCocktailAfterBurner::Init()
{
// Initialisation
+ Int_t numberOfEvents = AliRunLoader::Instance()->GetNumberOfEventsPerRun();
+ fGenerationDone = kFALSE;
+ if (fInternalStacks) //delete stacks
+ {
+ fInternalStacks->SetOwner();
+ fInternalStacks->Delete(); //clean after previous generation cycle
+ }
+
+ if (fCollisionGeometries) {
+ for (Int_t i = 0; i < (numberOfEvents + fNBgEvents); i++)
+ if (fCollisionGeometries[i]) delete fCollisionGeometries[i];
+ delete[] fCollisionGeometries;
+ }
+ if (fHeaders) {
+ for (Int_t i = 0; i < (numberOfEvents + fNBgEvents); i++)
+ if (fHeaders[i]) delete fHeaders[i];
+ delete[] fHeaders;
+ }
+
this->AliGenCocktail::Init();
- if (debug) cout<<"AliGenCocktailAfterBurner::Init"<<endl;
+ if (gDebug>0) cout<<"AliGenCocktailAfterBurner::Init"<<endl;
TIter next(fAfterBurnerEntries);
AliGenCocktailEntry *entry;
//
entry->Generator()->Init();
}
}
+/*********************************************************************/
+/*********************************************************************/
void AliGenCocktailAfterBurner::Generate()
{
//
-// Generate event
- if (debug)cout<<"#####################################"<<endl
- <<"#AliGenCocktailAfterBurner::Generate#"
- <<endl<<"#####################################"<<endl;
-
+// Generate event
+// Firsts runs each generator for all events
+// than after burners ones for each event
+//
+// It generates and processes all events during
+// first call only.
+// In next calls it just returns already generated
+// and processed events to the gAlice
+
+ if (gDebug>0)
+ cout<<"#####################################"<<endl
+ <<"#AliGenCocktailAfterBurner::Generate#"<<endl
+ <<"#####################################"<<endl;
+ // Initialize header
+ //
Int_t i; //iterator
AliStack * stack;
+
if (fGenerationDone)
- {
- SetTracks(++fCurrentEvent);
- cout<<"Returning event "<<fCurrentEvent<<endl;
- return;
+ {//if generation is done (in first call)
+ //just copy particles from the stack to the gAlice
+ SetTracks(++fCurrentEvent);
+ fHeader = fHeaders[fCurrentEvent];
+ gAlice->SetGenEventHeader(fHeader);
+ cout<<"Returning event " << fCurrentEvent<<endl;
+ return;
}
else
- {
+ { //Here we are in the first call of the method
+ Int_t numberOfEvents = AliRunLoader::Instance()->GetNumberOfEventsPerRun();
+ cout << "Number of events per run" << numberOfEvents << endl;
+ TArrayF eventVertex;
+ eventVertex.Set(3 * (numberOfEvents + fNBgEvents));
+ TArrayF eventTime;
+ eventTime.Set(numberOfEvents + fNBgEvents);
fCurrentEvent=0;
- fInternalStacks = new TObjArray(fNumberOfEvents); //Create array of internal stacks
- for(i=0;i<fNumberOfEvents;i++)
- {
- stack = new AliStack(10000);
- stack->Reset();
- fInternalStacks->Add(stack);
- }
+ //Create stacks
+ fInternalStacks = new TObjArray(numberOfEvents + fNBgEvents); //Create array of internal stacks
+ fCollisionGeometries = new AliCollisionGeometry*[numberOfEvents + fNBgEvents]; //Create array of collision geometries
+ fHeaders = new AliGenCocktailEventHeader*[numberOfEvents + fNBgEvents]; //Create array of headers
+
+ for(i = 0; i < numberOfEvents + fNBgEvents; i++)
+ {
+ stack = new AliStack(10000);
+ stack->Reset();
+ fInternalStacks->Add(stack);
+ Vertex();
+ for (Int_t j = 0; j < 3; j++) eventVertex[3 * i + j] = fVertex[j];
+ eventTime[i] = fTime;
+ fHeaders[i] = new AliGenCocktailEventHeader();
+ fCollisionGeometries[i] = 0;
+ }
/*********************************************************************/
- TIter next(fEntries);
- AliGenCocktailEntry *entry;
- AliGenCocktailEntry *e1;
- AliGenCocktailEntry *e2;
- TObjArray *partArray;
- //
- // Loop over generators and generate events
- Int_t igen=0;
- while((entry = (AliGenCocktailEntry*)next()))
- {
- igen++;
- cout<<"Generator number "<<igen<<endl;
- /***********************************************/
+ TIter next(fEntries);
+ AliGenCocktailEntry *entry;
+ AliGenCocktailEntry *e1;
+ AliGenCocktailEntry *e2;
+ const TObjArray *partArray;
+ //
+ // Loop over generators and generate events
+ Int_t igen=0;
+ while((entry = (AliGenCocktailEntry*)next()))
+ {
+ igen++;
+ cout<<"Generator "<<igen<<" : "<<entry->GetName()<<endl;
+/***********************************************/
//First generator for all evenets, than second for all events, etc...
- for(i=0;i<fNumberOfEvents;i++)
- {
-
- cout<<" EVENT "<<i<<endl;
- stack = GetStack(i);
- partArray = stack->Particles();
- fCurrentGenerator = entry->Generator();
- fCurrentGenerator->SetStack(stack);
-
- if (igen ==1)
- {
- entry->SetFirst(0);
- }
- else
- {
- entry->SetFirst((partArray->GetEntriesFast())+1);
- }
- fCurrentGenerator->Generate();
- entry->SetLast(partArray->GetEntriesFast());
+ for(i = 0; i < numberOfEvents + fNBgEvents; i++)
+ {
+ cout<<" EVENT "<<i << endl;
+ stack = GetStack(i);
+ partArray = stack->Particles();
+ fCurrentGenerator = entry->Generator();
+ fCurrentGenerator->SetStack(stack);
+ if (igen ==1)
+ {
+ entry->SetFirst(0);
+ }
+ else
+ {
+ entry->SetFirst((partArray->GetEntriesFast())+1);
}
- /***********************************************/
- }
- next.Reset();
- while((entry = (AliGenCocktailEntry*)next()))
- {
- entry->PrintInfo();
- }
- for ( entry=FirstGenerator();entry;entry=NextGenerator() )
- {
- entry->PrintInfo();
- }
-
- for (FirstGeneratorPair(e1,e2); (e1&&e2); NextGeneratorPair(e1,e2) )
- {
- printf("\n -----------------------------");
- e1->PrintInfo();
- e2->PrintInfo();
+ // Set the vertex for the generator
+ Int_t ioff = 3 * i;
+ fCurrentGenerator->SetVertex(eventVertex.At(ioff), eventVertex.At(ioff + 1), eventVertex.At(ioff + 2));
+ fCurrentGenerator->SetTime(eventTime.At(i));
+ fHeader = fHeaders[i];
+ // Set the vertex and time for the cocktail
+ TArrayF v(3);
+ for (Int_t j=0; j<3; j++) v[j] = eventVertex.At(ioff + j);
+ fHeader->SetPrimaryVertex(v);
+ fHeader->SetInteractionTime(eventTime.At(i));
+ // Generate event
+ fCurrentGenerator->Generate();
+ //
+ entry->SetLast(partArray->GetEntriesFast());
+
+ if (fCurrentGenerator->ProvidesCollisionGeometry())
+ fCollisionGeometries[i] =
+ new AliCollisionGeometry(*(fCurrentGenerator->CollisionGeometry()));
+ } // event loop
+/***********************************************/
+ } // generator loop
+ next.Reset();
+ while((entry = (AliGenCocktailEntry*)next()))
+ {
+ entry->PrintInfo();
+ }
+ for ( entry=FirstGenerator();entry;entry=NextGenerator() )
+ {
+ entry->PrintInfo();
+ }
+ for (FirstGeneratorPair(e1,e2); (e1&&e2); NextGeneratorPair(e1,e2) )
+ {
+ printf("\n -----------------------------");
+ e1->PrintInfo();
+ e2->PrintInfo();
}
- /***********************************************/
- /*******After Burners Processing****************/
- /***********************************************/
- TIter nextAfterBurner(fAfterBurnerEntries);
- AliGenCocktailEntry *afterBurnerEntry;
- Int_t iab =0;
- cout<<"\n\nRunning After Burners"<<endl;
- while((afterBurnerEntry = (AliGenCocktailEntry*)nextAfterBurner()))
- {
- cout<<"After Burner number "<<iab++<<endl;
- fCurrentGenerator = afterBurnerEntry->Generator();
- fCurrentGenerator->Generate();
- }
- cout<<endl<<"Finished. Processed "<<iab<<" After Burners"<<endl;
- /***********************************************/
- /***********************************************/
- /***********************************************/
+ /***********************************************/
+ /*******After Burners Processing****************/
+ /***********************************************/
+ TIter nextAfterBurner(fAfterBurnerEntries);
+ AliGenCocktailEntry *afterBurnerEntry;
+ Int_t iab =0; //number of current after burner / counter
+
+ cout<<"\n\nRunning After Burners"<<endl;
+ while((afterBurnerEntry = (AliGenCocktailEntry*)nextAfterBurner()))
+ {
+ cout<<"After Burner "<<iab++<<" :"<<afterBurnerEntry->GetName()<<endl;
+ fCurrentGenerator = afterBurnerEntry->Generator();
+ fCurrentGenerator->Generate();
+ }
+ cout<<endl<<"Finished. Processed "<<iab<<" After Burners"<<endl;
+
+ /***********************************************/
+ /***********************************************/
+ /***********************************************/
- fGenerationDone=kTRUE;
- SetTracks(0); //copy event 0 to gAlice stack
+ fGenerationDone=kTRUE;
+ SetTracks(0); //copy event 0 to gAlice stack
/*********************************************************************/
-
- }//else generated
+ // Pass the header to gAlice
+ fHeader = fHeaders[0];
+ gAlice->SetGenEventHeader(fHeader);
+ } //else generated
}
+/*********************************************************************/
+/*********************************************************************/
-
-AliGenCocktailAfterBurner& AliGenCocktailAfterBurner::operator=(const AliGenCocktailAfterBurner& rhs)
+AliStack* AliGenCocktailAfterBurner::GetStack(Int_t n) const
{
-// Assignment operator
- return *this;
+//Returns the pointer to the N'th stack (event)
+ if( ( n<0 ) || ( n >= (GetNumberOfEvents()) ) )
+ {
+ Fatal("AliGenCocktailAfterBurner::GetStack","Asked for non existing stack (%d)",n);
+ return 0;
+ }
+ return ((AliStack*) fInternalStacks->At(n) );
}
+/*********************************************************************/
+/*********************************************************************/
-AliStack* AliGenCocktailAfterBurner::GetStack(Int_t n)
+AliCollisionGeometry* AliGenCocktailAfterBurner::GetCollisionGeometry(Int_t n) const
{
- if( (n<0) || (n>=fNumberOfEvents) )
+//Returns the pointer to the N'th stack (event)
+ if( ( n<0 ) || ( n>=GetNumberOfEvents() ) )
{
- Fatal("AliGenCocktailAfterBurner::GetStack","Asked for non existing stack (%d)",n);
- return 0;
+ Fatal("AliGenCocktailAfterBurner::GetCollisionGeometry","Asked for non existing stack (%d)",n);
+ return 0;
}
- //PH return ((AliStack*) ((*fInternalStacks)[n]) );
- return ((AliStack*) fInternalStacks->At(n) );
+ return fCollisionGeometries[n];
}
+/*********************************************************************/
+/*********************************************************************/
+
void AliGenCocktailAfterBurner::SetActiveEventNumber(Int_t actev)
{
+//Set Active Events Number and Active Stack
+//There is only one active event number
+//Made fo convinience of work with AfterBurners (HBT processor)
+
fActiveEvent = actev;
fActiveStack = GetStack(actev);
}
+/*********************************************************************/
+/*********************************************************************/
void AliGenCocktailAfterBurner::SetTracks(Int_t stackno)
{
+//Method which copies tracks from given stack to the
+//gAlice's stack
AliStack* instack = GetStack(stackno);
Int_t done;
Int_t parent;
Int_t pdg;
Double_t px, py, pz, e, vx, vy, vz, tof, polx, poly, polz;
- AliMCProcess mech;
+ TMCProcess mech;
Int_t ntr;
Float_t weight;
TVector3 pol;
TParticle * p;
- Int_t N = instack->GetNtrack();
- if (debug)
+ Int_t n = instack->GetNtrack();
+ if (gDebug)
{
- cout<<"AliGenCocktailAfterBurner::SetTracks("<<stackno<<"). Number of particles is: "<<N<<"\n";
+ cout<<"AliGenCocktailAfterBurner::SetTracks("<<stackno<<"). Number of particles is: "<<n<<"\n";
}
- for(Int_t i = 0; i < N; i++)
+ for(Int_t i = 0; i < n; i++)
{
- p = instack->Particle(i);
- done = !p->TestBit(kDoneBit);
- if (debug) {cout<<i<<" "<<done<<" "; fflush(0);}
- parent = p->GetMother(0);
- pdg = p->GetPdgCode();
- px = p->Px();
- py = p->Py();
- pz = p->Pz();
- e = p->Energy();
- vx = p->Vx();
- vy = p->Vy();
- vz = p->Vz();
- tof = p->T();
- p->GetPolarisation(pol);
- polx = pol.X();
- poly = pol.Y();
- polz = pol.Z();
- mech = AliGenCocktailAfterBurner::IntToMCProcess(p->GetUniqueID());
- weight = p->GetWeight();
-
- gAlice->SetTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof,
- polx, poly, polz, mech, ntr, weight);
+ p = instack->Particle(i);
+ done = !p->TestBit(kDoneBit);
+ parent = p->GetMother(0);
+ pdg = p->GetPdgCode();
+ px = p->Px();
+ py = p->Py();
+ pz = p->Pz();
+ e = p->Energy();
+ vx = p->Vx();
+ vy = p->Vy();
+ vz = p->Vz();
+ tof = p->T();
+ p->GetPolarisation(pol);
+ polx = pol.X();
+ poly = pol.Y();
+ polz = pol.Z();
+ mech = AliGenCocktailAfterBurner::IntToMCProcess(p->GetUniqueID());
+ weight = p->GetWeight();
+
+ gAlice->GetMCApp()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof,polx, poly, polz, mech, ntr, weight);
+
+ SetHighWaterMark(ntr) ;
+
}
}
+/*********************************************************************/
+/*********************************************************************/
-AliMCProcess AliGenCocktailAfterBurner::IntToMCProcess(Int_t no)
+TMCProcess AliGenCocktailAfterBurner::IntToMCProcess(Int_t no)
{
- const AliMCProcess MCprocesses[kMaxMCProcess] =
- {kPNoProcess, kPMultipleScattering, kPEnergyLoss, kPMagneticFieldL,
+ //Mothod used to convert uniqueID (integer) to TMCProcess type
+ const TMCProcess kMCprocesses[kMaxMCProcess] =
+ {
+ kPNoProcess, kPMultipleScattering, kPEnergyLoss, kPMagneticFieldL,
kPDecay, kPPair, kPCompton, kPPhotoelectric, kPBrem, kPDeltaRay,
kPAnnihilation, kPHadronic, kPNoProcess, kPEvaporation, kPNuclearFission,
kPNuclearAbsorption, kPPbarAnnihilation, kPNCapture, kPHElastic,
kPHInhelastic, kPMuonNuclear, kPTOFlimit,kPPhotoFission, kPNoProcess,
- kPRayleigh, kPNoProcess, kPNoProcess, kPNoProcess, kPNull, kPStop};
+ kPRayleigh, kPNoProcess, kPNoProcess, kPNoProcess, kPNull, kPStop
+ };
for (Int_t i = 0;i<kMaxMCProcess;i++)
{
- if (MCprocesses[i] == no)
- {
- //if (debug) cout<<"IntToMCProcess("<<no<<") returned AliMCProcess Named \""<<AliMCProcessName[MCprocesses[i]]<<"\""<<endl;
- return MCprocesses[i];
- }
+ if (kMCprocesses[i] == no)
+ {
+ return kMCprocesses[i];
+ }
}
return kPNoProcess;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff