/* $Id$ */
+/* History of cvs commits:
+ *
+ * $Log$
+ * Revision 1.15 2007/03/06 06:57:05 kharlov
+ * DP:calculation of distance to CPV done in TSM
+ *
+ * Revision 1.14 2006/09/07 18:31:08 kharlov
+ * Effective c++ corrections (T.Pocheptsov)
+ *
+ * Revision 1.13 2005/05/28 14:19:04 schutz
+ * Compilation warnings fixed by T.P.
+ *
+ */
+
//_________________________________________________________________________
// Implementation version v0 of the PHOS particle identifier
// Particle identification based on the
#include "TF2.h"
#include "TFormula.h"
#include "TCanvas.h"
+#include "TClonesArray.h"
#include "TBenchmark.h"
// --- Standard library ---
// --- AliRoot header files ---
-
-#include "AliRun.h"
-#include "AliGenerator.h"
+#include "AliLog.h"
#include "AliPHOSPIDv0.h"
#include "AliPHOSEmcRecPoint.h"
#include "AliPHOSTrackSegment.h"
#include "AliPHOSRecParticle.h"
#include "AliPHOSGeometry.h"
-#include "AliPHOSLoader.h"
ClassImp( AliPHOSPIDv0)
//____________________________________________________________________________
-AliPHOSPIDv0::AliPHOSPIDv0():AliPHOSPID()
+AliPHOSPIDv0::AliPHOSPIDv0():
+ fIDOptions("dis time"),
+ fClusterizer(0),
+ fTSMaker(0),
+ fFormula(0),
+ fDispersion(0.f),
+ fCpvEmcDistance(0.f),
+ fTimeGate(2.e-9f)
{
// default ctor
- fFormula = 0 ;
- fDispersion = 0. ;
- fCpvEmcDistance = 0 ;
- fTimeGate = 2.e-9 ;
- fEventFolderName = "" ;
- fTrackSegmentsTitle= "" ;
- fRecPointsTitle = "" ;
- fRecParticlesTitle = "" ;
- fIDOptions = "dis time" ;
- fRecParticlesInRun = 0 ;
- fClusterizer = 0;
- fTSMaker = 0;
}
//____________________________________________________________________________
-AliPHOSPIDv0::AliPHOSPIDv0(const char * evFolderName,const char * name) : AliPHOSPID(evFolderName, name)
+AliPHOSPIDv0::AliPHOSPIDv0(AliPHOSGeometry *geom) :
+ AliPHOSPID(geom),
+ fIDOptions("dis time"),
+ fClusterizer(0),
+ fTSMaker(0),
+ fFormula(new TFormula("LambdaCuts","(x>1)*(x<2.5)*(y>0)*(y<x)")),
+ fDispersion(2.f),
+ fCpvEmcDistance(3.f),
+ fTimeGate(2.e-9f)
{
- //ctor with the indication on where to look for the track segments
-
- fFormula = new TFormula("LambdaCuts","(x>1)*(x<2.5)*(y>0)*(y<x)") ;
- fDispersion = 2.0 ;
- fCpvEmcDistance = 3.0 ;
- fTimeGate = 2.e-9 ;
-
- fEventFolderName = GetTitle() ;
- fTrackSegmentsTitle = GetName();
- fRecPointsTitle = GetName();
- fRecParticlesTitle = GetName();
- fIDOptions = "dis time" ;
-
- fRecParticlesInRun = 0 ;
-
- Init() ;
-
+ //ctor
}
//____________________________________________________________________________
-AliPHOSPIDv0::~AliPHOSPIDv0()
-{
+AliPHOSPIDv0::AliPHOSPIDv0(const AliPHOSPIDv0 & rhs) :
+ AliPHOSPID(rhs),
+ fIDOptions(rhs.fIDOptions),
+ fClusterizer(rhs.fClusterizer),
+ fTSMaker(rhs.fTSMaker),
+ fFormula(rhs.fFormula),
+ fDispersion(rhs.fDispersion),
+ fCpvEmcDistance(rhs.fCpvEmcDistance),
+ fTimeGate(rhs.fTimeGate)
+{
+ //Copy ctor, the same as compiler-generated, possibly wrong if
+ //someone implements dtor correctly.
+}
+
+//____________________________________________________________________________
+AliPHOSPIDv0 & AliPHOSPIDv0::operator = (const AliPHOSPIDv0 & rhs)
+{
+ //Copy-assignment, emulates compiler generated, possibly wrong.
+ AliPHOSPID::operator = (rhs);
+ fIDOptions = rhs.fIDOptions;
+ fClusterizer = rhs.fClusterizer;
+ fTSMaker = rhs.fTSMaker;
+ fFormula = rhs.fFormula;
+ fDispersion = rhs.fDispersion;
+ fCpvEmcDistance = rhs.fCpvEmcDistance;
+ fTimeGate = rhs.fTimeGate;
+
+ return *this;
}
//____________________________________________________________________________
-Float_t AliPHOSPIDv0::GetDistance(AliPHOSEmcRecPoint * emc,AliPHOSRecPoint * cpv, Option_t * Axis)const
+AliPHOSPIDv0::~AliPHOSPIDv0()
{
- // Calculates the distance between the EMC RecPoint and the PPSD RecPoint
-
- const AliPHOSGeometry * geom = AliPHOSLoader::GetPHOSGeometry() ;
- TVector3 vecEmc ;
- TVector3 vecCpv ;
-
- emc->GetLocalPosition(vecEmc) ;
- cpv->GetLocalPosition(vecCpv) ;
- if(emc->GetPHOSMod() == cpv->GetPHOSMod()){
-
- // Correct to difference in CPV and EMC position due to different distance to center.
- // we assume, that particle moves from center
- Float_t dCPV = geom->GetIPtoOuterCoverDistance();
- Float_t dEMC = geom->GetIPtoCrystalSurface() ;
- dEMC = dEMC / dCPV ;
- vecCpv = dEMC * vecCpv - vecEmc ;
- if (Axis == "X") return vecCpv.X();
- if (Axis == "Y") return vecCpv.Y();
- if (Axis == "Z") return vecCpv.Z();
- if (Axis == "R") return vecCpv.Mag();
- }
-
- return 100000000 ;
+ //Empty dtor, fFormula leaks
}
+//DP
+////____________________________________________________________________________
+//Float_t AliPHOSPIDv0::GetDistance(AliPHOSEmcRecPoint * emc,AliPHOSRecPoint * cpv, Option_t * Axis)const
+//{
+// // Calculates the distance between the EMC RecPoint and the PPSD RecPoint
+//
+// const AliPHOSGeometry * geom = AliPHOSLoader::GetPHOSGeometry() ;
+// TVector3 vecEmc ;
+// TVector3 vecCpv ;
+//
+// emc->GetLocalPosition(vecEmc) ;
+// cpv->GetLocalPosition(vecCpv) ;
+// if(emc->GetPHOSMod() == cpv->GetPHOSMod()){
+//
+// // Correct to difference in CPV and EMC position due to different distance to center.
+// // we assume, that particle moves from center
+// Float_t dCPV = geom->GetIPtoOuterCoverDistance();
+// Float_t dEMC = geom->GetIPtoCrystalSurface() ;
+// dEMC = dEMC / dCPV ;
+// vecCpv = dEMC * vecCpv - vecEmc ;
+// if (Axis == "X") return vecCpv.X();
+// if (Axis == "Y") return vecCpv.Y();
+// if (Axis == "Z") return vecCpv.Z();
+// if (Axis == "R") return vecCpv.Mag();
+// }
+//
+// return 100000000 ;
+//}
+
//____________________________________________________________________________
-void AliPHOSPIDv0::Exec(Option_t * option)
+void AliPHOSPIDv0::TrackSegments2RecParticles(Option_t * option)
{
//Steering method
-
- if( strcmp(GetName(), "")== 0 )
- Init() ;
-
+
if(strstr(option,"tim"))
gBenchmark->Start("PHOSPID");
return ;
}
- AliRunLoader* runget = AliRunLoader::GetRunLoader(GetTitle());
- if(runget == 0x0)
- {
- Error("Exec","Can not find run getter in event folder \"%s\"",GetTitle());
- return;
- }
-
- AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(runget->GetLoader("PHOSLoader"));
- if ( gime == 0 )
- {
- Error("Exec","Could not obtain the Loader object !");
- return ;
- }
-
- if(gime->BranchExists("RecParticles") )
- return ;
-
-
- Int_t nevents = runget->GetNumberOfEvents() ; //(Int_t) gAlice->TreeE()->GetEntries() ;
+ AliInfo(Form("%d emc clusters, %d track segments",
+ fEMCRecPoints->GetEntriesFast(),
+ fTrackSegments->GetEntriesFast())) ;
- Int_t ievent ;
-
- for(ievent = 0; ievent < nevents; ievent++){
- runget->GetEvent(ievent);
- Info("Exec", "event %d %d %d", ievent, gime->EmcRecPoints(), gime->TrackSegments()) ;
- MakeRecParticles() ;
-
- WriteRecParticles();
+ MakeRecParticles() ;
- if(strstr(option,"deb"))
- PrintRecParticles(option) ;
-
- //increment the total number of rec particles per run
- fRecParticlesInRun += gime->RecParticles()->GetEntriesFast() ;
+ if(strstr(option,"deb"))
+ PrintRecParticles(option) ;
- }
-
if(strstr(option,"tim")){
gBenchmark->Stop("PHOSPID");
- Info("Exec", "took %f seconds for PID %f seconds per event",
- gBenchmark->GetCpuTime("PHOSPID"), gBenchmark->GetCpuTime("PHOSPID")/nevents) ;
+ AliInfo(Form("took %f seconds for PID",
+ gBenchmark->GetCpuTime("PHOSPID")));
}
-}
-//____________________________________________________________________________
-void AliPHOSPIDv0::Init()
-{
- // Make all memory allocations that are not possible in default constructor
- // Add the PID task to the list of PHOS tasks
-
- AliRunLoader* runget = AliRunLoader::GetRunLoader(GetTitle());
- if(runget == 0x0)
- {
- Error("Exec","Can not find run getter in event folder \"%s\"",GetTitle());
- return;
- }
-
- AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(runget->GetLoader("PHOSLoader"));
- if ( gime == 0 )
- {
- Error("Exec","Could not obtain the Loader object !");
- return ;
- }
-
- gime->PostPID(this);
- gime->LoadRecParticles("UPDATE");
-
}
//____________________________________________________________________________
{
// Reconstructs the particles from the tracksegments
- TString taskName(GetName()) ;
- taskName.Remove(taskName.Index(Version())-1) ;
-
- AliRunLoader* runget = AliRunLoader::GetRunLoader(GetTitle());
- if(runget == 0x0)
- {
- Error("Exec","Can not find run getter in event folder \"%s\"",GetTitle());
- return;
- }
+ fRecParticles->Clear();
- AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(runget->GetLoader("PHOSLoader"));
- if ( gime == 0 )
- {
- Error("Exec","Could not obtain the Loader object !");
- return ;
- }
-
- TObjArray * emcRecPoints = gime->EmcRecPoints() ;
- TObjArray * cpvRecPoints = gime->CpvRecPoints() ;
- TClonesArray * trackSegments = gime->TrackSegments() ;
- TClonesArray * recParticles = gime->RecParticles() ;
-
- recParticles->Clear();
-
- TIter next(trackSegments) ;
+ TIter next(fTrackSegments) ;
AliPHOSTrackSegment * ts ;
Int_t index = 0 ;
AliPHOSRecParticle * rp ;
while ( (ts = (AliPHOSTrackSegment *)next()) ) {
- new( (*recParticles)[index] ) AliPHOSRecParticle() ;
- rp = (AliPHOSRecParticle *)recParticles->At(index) ;
+ new( (*fRecParticles)[index] ) AliPHOSRecParticle() ;
+ rp = (AliPHOSRecParticle *)fRecParticles->At(index) ;
rp->SetTrackSegment(index) ;
rp->SetIndexInList(index) ;
AliPHOSEmcRecPoint * emc = 0 ;
if(ts->GetEmcIndex()>=0)
- emc = (AliPHOSEmcRecPoint *) emcRecPoints->At(ts->GetEmcIndex()) ;
+ emc = (AliPHOSEmcRecPoint *) fEMCRecPoints->At(ts->GetEmcIndex()) ;
AliPHOSRecPoint * cpv = 0 ;
if(ts->GetCpvIndex()>=0)
- cpv = (AliPHOSRecPoint *) cpvRecPoints->At(ts->GetCpvIndex()) ;
+ cpv = (AliPHOSRecPoint *) fCPVRecPoints->At(ts->GetCpvIndex()) ;
//set momentum and energy first
Float_t e = emc->GetEnergy() ;
// Looking at the CPV detector
Int_t cpvdetector= 0 ; //1 hit and 0 no hit
if(cpv)
- if(GetDistance(emc, cpv, "R") < fCpvEmcDistance)
+ if(ts->GetCpvDistance("R") < fCpvEmcDistance)
cpvdetector = 1 ;
Int_t type = showerprofile + 2 * slow + 4 * cpvdetector ;
}
//____________________________________________________________________________
-void AliPHOSPIDv0:: Print() const
+void AliPHOSPIDv0:: Print(const Option_t *) const
{
// Print the parameters used for the particle type identification
TString message ;
message = "=============== AliPHOSPIDv0 ================\n" ;
message += "Making PID\n" ;
- message += " Headers file: %s\n" ;
- message += " RecPoints branch title: %s\n" ;
- message += " TrackSegments Branch title: %s\n" ;
- message += " RecParticles Branch title %s\n" ;
message += "with parameters:\n" ;
message += " Maximal EMC - CPV distance (cm) %f\n" ;
- Info("Print", message.Data(),
- GetTitle(),
- fRecPointsTitle.Data(),
- fTrackSegmentsTitle.Data(),
- fRecParticlesTitle.Data(),
- fCpvEmcDistance );
+ AliInfo(Form( message.Data(),
+ fCpvEmcDistance ));
if(fIDOptions.Contains("dis",TString::kIgnoreCase ))
- Info("Print", " dispersion cut %f", fDispersion ) ;
+ AliInfo(Form(" dispersion cut %f", fDispersion )) ;
if(fIDOptions.Contains("ell",TString::kIgnoreCase ))
- Info("Print", " Eliptic cuts function: %s", fFormula->GetTitle() ) ;
+ AliInfo(Form(" Eliptic cuts function: %s",
+ fFormula->GetTitle() )) ;
if(fIDOptions.Contains("tim",TString::kIgnoreCase ))
- Info("Print", " Time Gate used: %f", fTimeGate) ;
+ AliInfo(Form(" Time Gate used: %f", fTimeGate)) ;
}
//____________________________________________________________________________
delete fFormula;
fFormula = new TFormula("Lambda Cut",formula) ;
}
-//____________________________________________________________________________
-void AliPHOSPIDv0::WriteRecParticles()
-{
- // Saves the reconstructed particles too a file
-
- AliRunLoader* runget = AliRunLoader::GetRunLoader(GetTitle());
- if(runget == 0x0)
- {
- Error("Exec","Can not find run getter in event folder \"%s\"",GetTitle());
- return;
- }
-
- AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(runget->GetLoader("PHOSLoader"));
- if ( gime == 0 )
- {
- Error("Exec","Could not obtain the Loader object !");
- return ;
- }
-
- TClonesArray * recParticles = gime->RecParticles() ;
- recParticles->Expand(recParticles->GetEntriesFast() ) ;
-
- TTree * treeR = gime->TreeR();
-
- if(!treeR){
- gime->MakeTree("R");
- treeR = gime->TreeR() ;
- }
-
- //First rp
- Int_t bufferSize = 32000 ;
- TBranch * rpBranch = treeR->Branch("PHOSRP",&recParticles,bufferSize);
- rpBranch->SetTitle(fRecParticlesTitle);
-
- //second, pid
- Int_t splitlevel = 0 ;
- AliPHOSPIDv0 * pid = this ;
- TBranch * pidBranch = treeR->Branch("AliPHOSPID","AliPHOSPIDv0",&pid,bufferSize,splitlevel);
- pidBranch->SetTitle(fRecParticlesTitle.Data());
-
- rpBranch->Fill() ;
- pidBranch->Fill() ;
-
- gime->WriteRecParticles("OVERWRITE");
- gime->WritePID("OVERWRITE");
-
-}
//____________________________________________________________________________
void AliPHOSPIDv0::PlotDispersionCuts()const
dir.SetZ( -dir.Z() ) ; // why ?
dir.SetMag(1.) ;
+ // One can not access MC information in the reconstruction!!
+ // PLEASE FIT IT, EITHER BY TAKING 0,0,0 OR ACCESSING THE
+ // VERTEX DIAMOND FROM CDB GRP FOLDER.
//account correction to the position of IP
- Float_t xo,yo,zo ; //Coordinates of the origin
- gAlice->Generator()->GetOrigin(xo,yo,zo) ;
- TVector3 origin(xo,yo,zo);
- dir = dir - origin ;
+ // Float_t xo,yo,zo ; //Coordinates of the origin
+ // gAlice->Generator()->GetOrigin(xo,yo,zo) ;
+ // TVector3 origin(xo,yo,zo);
+ // dir = dir - origin ;
return dir ;
}
{
// Print table of reconstructed particles
- AliRunLoader* runget = AliRunLoader::GetRunLoader(GetTitle());
- if(runget == 0x0)
- {
- Error("WriteRecParticles","Can not find run getter in event folder \"%s\"",GetTitle());
- return;
- }
-
- AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(runget->GetLoader("PHOSLoader"));
- if ( gime == 0 )
- {
- Error("WriteRecParticles","Could not obtain the Loader object !");
- return ;
- }
-
- TString taskName(GetName()) ;
- taskName.Remove(taskName.Index(Version())-1) ;
- TClonesArray * recParticles = gime->RecParticles() ;
-
TString message ;
- message = "event %d\n" ;
- message += " found %d RecParticles\n" ;
- Info("PrintRecParticles", message.Data(), gAlice->GetEvNumber(), recParticles->GetEntriesFast() ) ;
+ message = "Found %d RecParticles\n" ;
+ AliInfo(Form(message.Data(),
+ fRecParticles->GetEntriesFast() )) ;
if(strstr(option,"all")) { // printing found TS
- Info("PrintRecParticles"," PARTICLE Index \n" ) ;
+ AliInfo(" PARTICLE Index" ) ;
Int_t index ;
- for (index = 0 ; index < recParticles->GetEntries() ; index++) {
- AliPHOSRecParticle * rp = (AliPHOSRecParticle * ) recParticles->At(index) ;
+ for (index = 0 ; index < fRecParticles->GetEntries() ; index++) {
+ AliPHOSRecParticle * rp = (AliPHOSRecParticle * ) fRecParticles->At(index) ;
Text_t particle[11];
switch(rp->GetType()) {
// Int_t nprimaries;
// primaries = rp->GetPrimaries(nprimaries);
- Info("PrintRecParticles", " %s %d\n", particle, rp->GetIndexInList()) ;
+ AliInfo(Form(" %s %d",
+ particle, rp->GetIndexInList())) ;
}
}
}
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff