#include "AliFMDHit.h"
#include "AliLoader.h"
#include "AliFMD.h"
-#include "TH2F.h"
#include "AliGenEventHeader.h"
#include "AliHeader.h"
#include "TFile.h"
#include "TList.h"
#include "AliFMDAnaParameters.h"
#include "AliFMDAnaCalibBackgroundCorrection.h"
+#include "AliTrackReference.h"
+#include "AliFMDStripIndex.h"
ClassImp(AliFMDBackgroundCorrection)
//_____________________________________________________________________
{}
//_____________________________________________________________________
-AliFMDBackgroundCorrection::AliFMDInputBG::AliFMDInputBG() :
- AliFMDInput(),
+AliFMDBackgroundCorrection::AliFMDInputBG::AliFMDInputBG(Bool_t hits_not_trackref) :
+ AliFMDInput("galice.root"),
fPrimaryArray(),
fHitArray(),
+ fHitMap(),
fPrim(0),
fHits(0),
fZvtxCut(0),
fPrevTrack(-1),
fPrevDetector(-1),
fPrevRing('Q'),
+ fPrevSec(-1),
fNbinsEta(100)
{
AddLoad(kTracks);
- AddLoad(kHits);
+ if(hits_not_trackref)
+ AddLoad(kHits);
+ else
+ AddLoad(kTrackRefs);
AddLoad(kKinematics);
AddLoad(kHeader);
+
+
}
//_____________________________________________________________________
-void AliFMDBackgroundCorrection::GenerateBackgroundCorrection(const Int_t nvtxbins,
+void AliFMDBackgroundCorrection::GenerateBackgroundCorrection(Bool_t from_hits,
+ const Int_t nvtxbins,
Float_t zvtxcut,
const Int_t nBinsEta,
Bool_t storeInAlien,
Simulate(nEvents);
else {
//AliCDBManager::Instance()->SetDefaultStorage("alien://Folder=/alice/data/2008/LHC08d/OCDB/");
- AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
+ AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
AliCDBManager::Instance()->SetRun(runNo);
#if defined(__CINT__)
AliInfo("Processing hits and primaries ");
- AliFMDInputBG input;
+ AliFMDInputBG input(from_hits);
if(!inFile) {
if(storeInAlien) {
AliCDBManager* cdb = AliCDBManager::Instance();
- cdb->SetDefaultStorage("local://$ALICE_ROOT");
+ cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
AliCDBId id(AliFMDAnaParameters::GetBackgroundPath(),runNo,endRunNo);
AliCDBMetaData* meta = new AliCDBMetaData;
}
//_____________________________________________________________________
-Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::ProcessHit( AliFMDHit* h, TParticle* p) {
-
- AliGenEventHeader* genHeader = fLoader->GetHeader()->GenEventHeader();
- TArrayF vertex;
- genHeader->PrimaryVertex(vertex);
+Bool_t
+AliFMDBackgroundCorrection::AliFMDInputBG::ProcessHit(AliFMDHit* h,
+ TParticle* /*p*/)
+{
- if(TMath::Abs(vertex.At(2)) > fZvtxCut)
+ if(!h)
return kTRUE;
+ Bool_t retval = ProcessEvent(h->Detector(),
+ h->Ring(),
+ h->Sector(),
+ h->Strip(),
+ h->Track(),
+ h->Q());
+
+ return retval;
+}
+//_____________________________________________________________________
+Bool_t
+AliFMDBackgroundCorrection::AliFMDInputBG::ProcessTrackRef(AliTrackReference* tr,
+ TParticle* p)
+{
+ if(!tr)
+ return kTRUE;
+ UShort_t det,sec,strip;
+ Char_t ring;
+ AliFMDStripIndex::Unpack(tr->UserId(),det,ring,sec,strip);
+ Int_t nTrack = tr->GetTrack();
+ TDatabasePDG* pdgDB = TDatabasePDG::Instance();
+ TParticlePDG* pdgPart = pdgDB->GetParticle(p->GetPdgCode());
+ Float_t charge = (pdgPart ? pdgPart->Charge() : 0);
+ Bool_t retval = ProcessEvent(det,ring,sec,strip,nTrack,charge);
+ return retval;
- Double_t delta = 2*fZvtxCut/fNvtxBins;
- Double_t vertexBinDouble = (vertex.At(2) + fZvtxCut) / delta;
- Int_t vertexBin = (Int_t)vertexBinDouble;
+}
+//_____________________________________________________________________
+Bool_t
+AliFMDBackgroundCorrection::AliFMDInputBG::ProcessEvent(UShort_t det,
+ Char_t ring,
+ UShort_t sec,
+ UShort_t strip,
+ Int_t nTrack,
+ Float_t charge)
+{
- Int_t i = h->Track();
- if(h)
- if(h->Q() != 0 && (i != fPrevTrack || h->Detector() != fPrevDetector || h->Ring() != fPrevRing)) {
-
- Int_t det = h->Detector();
- Char_t ring = h->Ring();
- Int_t iring = (ring == 'I' ? 0 : 1);
-
- TObjArray* detArray = (TObjArray*)fHitArray.At(det);
- TObjArray* vtxArray = (TObjArray*)detArray->At(iring);
- TH2F* hHits = (TH2F*)vtxArray->At(vertexBin);
-
- Float_t phi = TMath::ATan2(h->Y(),h->X());
- if(phi<0)
- phi = phi+2*TMath::Pi();
- Float_t theta = TMath::ATan2(TMath::Sqrt(TMath::Power(h->X(),2)+TMath::Power(h->Y(),2)),h->Z()+vertex.At(2));
- Float_t eta = -1*TMath::Log(TMath::Tan(0.5*theta));
- hHits->Fill(eta,phi);
- fHits++;
- fPrevDetector = det;
- fPrevRing = ring;
- }
-
- fPrevTrack = i;
+
+ if(charge != 0 &&
+ ((nTrack != fPrevTrack) ||
+ (det != fPrevDetector) ||
+ (ring != fPrevRing) ||
+ (sec != fPrevSec))) {
+ fHitMap.operator()(det,ring,sec,strip) = 1;
+ fHits++;
+
+ }
+
+ fPrevDetector = det;
+ fPrevRing = ring;
+ fPrevSec = sec;
+ fPrevTrack = nTrack;
+
return kTRUE;
+
}
//_____________________________________________________________________
-Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::Init() {
-
+Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::Init()
+{
fPrimaryArray.SetOwner();
fPrimaryArray.SetName("FMD_primary");
+ fPrimaryMapInner.SetBins(fNbinsEta, -6,6, 20, 0, 2*TMath::Pi());
+ fPrimaryMapOuter.SetBins(fNbinsEta, -6,6, 40, 0, 2*TMath::Pi());
+ fPrimaryMapInner.SetName("fPrimaryMapInner");
+ fPrimaryMapInner.SetName("fPrimaryMapOuter");
+
+ fPrimaryMapInner.Sumw2();
+ fPrimaryMapOuter.Sumw2();
for(Int_t iring = 0; iring<2;iring++) {
Char_t ringChar = (iring == 0 ? 'I' : 'O');
TObjArray* ringArray = new TObjArray();
fHitArray.SetOwner();
fHitArray.SetName("FMD_hits");
- for(Int_t det =1; det<=3;det++)
- {
- TObjArray* detArrayHits = new TObjArray();
- detArrayHits->SetName(Form("FMD%d",det));
- fHitArray.AddAtAndExpand(detArrayHits,det);
- Int_t nRings = (det==1 ? 1 : 2);
- for(Int_t ring = 0;ring<nRings;ring++)
- {
- Int_t nSec = (ring == 1 ? 40 : 20);
- Char_t ringChar = (ring == 0 ? 'I' : 'O');
- TObjArray* vtxArrayHits = new TObjArray();
- vtxArrayHits->SetName(Form("FMD%d%c",det,ringChar));
- detArrayHits->AddAtAndExpand(vtxArrayHits,ring);
- for(Int_t v=0; v<fNvtxBins;v++)
- {
-
- TH2F* hHits = new TH2F(Form("hHits_FMD%d%c_vtx%d",det,ringChar,v),
- Form("hHits_FMD%d%c_vtx%d",det,ringChar,v),
- fNbinsEta, -6,6, nSec, 0, 2*TMath::Pi());
- hHits->Sumw2();
- vtxArrayHits->AddAtAndExpand(hHits,v);
-
- }
- }
-
+ for(Int_t det =1; det<=3;det++) {
+ TObjArray* detArrayHits = new TObjArray();
+ detArrayHits->SetName(Form("FMD%d",det));
+ fHitArray.AddAtAndExpand(detArrayHits,det);
+ Int_t nRings = (det==1 ? 1 : 2);
+ for(Int_t ring = 0;ring<nRings;ring++) {
+ Int_t nSec = (ring == 1 ? 40 : 20);
+ Char_t ringChar = (ring == 0 ? 'I' : 'O');
+ TObjArray* vtxArrayHits = new TObjArray();
+ vtxArrayHits->SetName(Form("FMD%d%c",det,ringChar));
+ detArrayHits->AddAtAndExpand(vtxArrayHits,ring);
+ for(Int_t v=0; v<fNvtxBins;v++) {
+ TH2F* hHits = new TH2F(Form("hHits_FMD%d%c_vtx%d", det,ringChar,v),
+ Form("hHits_FMD%d%c_vtx%d", det,ringChar,v),
+ fNbinsEta, -6,6, nSec, 0, 2*TMath::Pi());
+ hHits->Sumw2();
+ vtxArrayHits->AddAtAndExpand(hHits,v);
+
+ }
}
+ }
-
-
AliFMDInput::Init();
-
return kTRUE;
}
//_____________________________________________________________________
-Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::Begin(Int_t event ) {
+Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::Begin(Int_t event )
+{
- Bool_t retVal = AliFMDInput::Begin(event);
+ Bool_t retVal = AliFMDInput::Begin(event);
+ AliStack* partStack = fLoader->Stack();
+ Int_t nTracks = partStack->GetNtrack();
+
+
+ for(Int_t j=0;j<nTracks;j++) {
+ TParticle* p = partStack->Particle(j);
+ TDatabasePDG* pdgDB = TDatabasePDG::Instance();
+ TParticlePDG* pdgPart = pdgDB->GetParticle(p->GetPdgCode());
+ Float_t charge = (pdgPart ? pdgPart->Charge() : 0);
+ Float_t phi = TMath::ATan2(p->Py(),p->Px());
+
+ if(phi<0) phi = phi+2*TMath::Pi();
+ // if(p->Theta() == 0) continue;
+ Float_t eta = p->Eta();
+
+ // std::cout<<-1*TMath::Log(TMath::Tan(0.5*p->Theta()))<<std::endl;
+
+ Bool_t primary = partStack->IsPhysicalPrimary(j);
+ //(charge!=0)&&(TMath::Abs(p->Vx() - vertex.At(0))<0.01)&&(TMath::Abs(p->Vy() - vertex.At(1))<0.01)&&(TMath::Abs(p->Vz() - vertex.At(2))<0.01);
+ if(primary && charge !=0) {
+
+
+
+ fPrim++;
+
+ fPrimaryMapInner.Fill(eta,phi);
+ fPrimaryMapOuter.Fill(eta,phi);
+ }
+ }
+
+ return retVal;
+}
+//_____________________________________________________________________
+Bool_t AliFMDBackgroundCorrection::AliFMDInputBG::End() {
- AliStack* partStack=fLoader->Stack();
+ Bool_t retval = AliFMDInput::End();
- Int_t nTracks=partStack->GetNtrack();
AliGenEventHeader* genHeader = fLoader->GetHeader()->GenEventHeader();
TArrayF vertex;
genHeader->PrimaryVertex(vertex);
if(TMath::Abs(vertex.At(2)) > fZvtxCut)
return kTRUE;
- Double_t delta = 2*fZvtxCut/fNvtxBins;
+ Double_t delta = 2*fZvtxCut/fNvtxBins;
Double_t vertexBinDouble = (vertex.At(2) + fZvtxCut) / delta;
- Int_t vertexBin = (Int_t)vertexBinDouble;
-
- for(Int_t j=0;j<nTracks;j++)
- {
- TParticle* p = partStack->Particle(j);
- //TDatabasePDG* pdgDB = TDatabasePDG::Instance();
- //TParticlePDG* pdgPart = pdgDB->GetParticle(p->GetPdgCode());
- //Float_t charge = (pdgPart ? pdgPart->Charge() : 0);
- Float_t phi = TMath::ATan2(p->Py(),p->Px());
+ Int_t vertexBin = (Int_t)vertexBinDouble;
+ //Primaries
+ TObjArray* innerArray = (TObjArray*)fPrimaryArray.At(0);
+ TObjArray* outerArray = (TObjArray*)fPrimaryArray.At(1);
+
+ TH2F* hPrimaryInner = (TH2F*)innerArray->At(vertexBin);
+ TH2F* hPrimaryOuter = (TH2F*)outerArray->At(vertexBin);
+
+ hPrimaryInner->Add(&fPrimaryMapInner);
+ hPrimaryOuter->Add(&fPrimaryMapOuter);
+
+ //Hits
+ for(UShort_t det=1;det<=3;det++) {
+ Int_t nRings = (det==1 ? 1 : 2);
+ for (UShort_t ir = 0; ir < nRings; ir++) {
+ Char_t ring = (ir == 0 ? 'I' : 'O');
+ UShort_t nsec = (ir == 0 ? 20 : 40);
+ UShort_t nstr = (ir == 0 ? 512 : 256);
+
+ for(UShort_t sec =0; sec < nsec; sec++) {
+
+ for(UShort_t strip = 0; strip < nstr; strip++) {
- if(phi<0)
- phi = phi+2*TMath::Pi();
- if(p->Theta() == 0) continue;
- Float_t eta = -1*TMath::Log(TMath::Tan(0.5*p->Theta()));
+ if(fHitMap.operator()(det,ring,sec,strip) > 0) {
+
+ Double_t x,y,z;
+ AliFMDGeometry* fmdgeo = AliFMDGeometry::Instance();
+ fmdgeo->Detector2XYZ(det,ring,sec,strip,x,y,z);
+
+ Int_t iring = (ring == 'I' ? 0 : 1);
+
+ TObjArray* detArray = (TObjArray*)fHitArray.At(det);
+ TObjArray* vtxArray = (TObjArray*)detArray->At(iring);
+ TH2F* hHits = (TH2F*)vtxArray->At(vertexBin);
+
+ Float_t phi = TMath::ATan2(y,x);
+ if(phi<0) phi = phi+2*TMath::Pi();
+ Float_t r = TMath::Sqrt(TMath::Power(x,2)+TMath::Power(y,2));
+ Float_t theta = TMath::ATan2(r,z-vertex.At(2));
+ Float_t eta = -1*TMath::Log(TMath::Tan(0.5*theta));
+ hHits->Fill(eta,phi);
+ }
- Bool_t primary = partStack->IsPhysicalPrimary(j);
- //(charge!=0)&&(TMath::Abs(p->Vx() - vertex.At(0))<0.01)&&(TMath::Abs(p->Vy() - vertex.At(1))<0.01)&&(TMath::Abs(p->Vz() - vertex.At(2))<0.01);
- if(primary) {
- fPrim++;
- TObjArray* innerArray = (TObjArray*)fPrimaryArray.At(0);
- TObjArray* outerArray = (TObjArray*)fPrimaryArray.At(1);
-
- TH2F* hPrimaryInner = (TH2F*)innerArray->At(vertexBin);
- TH2F* hPrimaryOuter = (TH2F*)outerArray->At(vertexBin);
- hPrimaryInner->Fill(eta,phi);
- hPrimaryOuter->Fill(eta,phi);
- }
}
+ }
+ }
+ }
- return retVal;
+ fPrimaryMapInner.Reset();
+ fPrimaryMapOuter.Reset();
+ fHitMap.Reset(0);
+
+ return retval;
}
-//_____________________________________________________________________
+
//
// EOF
//
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff