//
//____________________________________________________________________
-#include <AliLog.h> // ALILOG_H
+
// #include <AliLog.h> // ALILOG_H
// #include <AliRun.h> // ALIRUN_H
-#include <AliRunLoader.h> // ALIRUNLOADER_H
-#include <AliHeader.h> // ALIHEADER_H
-#include <AliGenEventHeader.h> // ALIGENEVENTHEADER_H
+#include "AliFMDDebug.h"
#include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
#include "AliFMDDigit.h" // ALIFMDDIGIT_H
#include "AliFMDReconstructor.h" // ALIFMDRECONSTRUCTOR_H
#include "AliFMDRawReader.h" // ALIFMDRAWREADER_H
#include "AliFMDRecPoint.h" // ALIFMDMULTNAIIVE_H
-#include "AliESD.h" // ALIESD_H
+#include "AliESDEvent.h" // ALIESDEVENT_H
+#include "AliESDVertex.h" // ALIESDVERTEX_H
#include <AliESDFMD.h> // ALIESDFMD_H
+#include <TMath.h>
+#include <TH1.h>
+#include <TH2.h>
+#include <TFile.h>
class AliRawReader;
//____________________________________________________________________
fTreeR(0x0),
fCurrentVertex(0),
fESDObj(0x0),
- fESD(0x0)
+ fNoiseFactor(0),
+ fAngleCorrect(kTRUE),
+ fVertexType(kNoVertex),
+ fESD(0x0),
+ fDiagnostics(kFALSE),
+ fDiagStep1(0),
+ fDiagStep2(0),
+ fDiagStep3(0),
+ fDiagStep4(0),
+ fDiagAll(0)
{
// Make a new FMD reconstructor object - default CTOR.
+ SetNoiseFactor();
+ SetAngleCorrect();
+ if (AliDebugLevel() > 0) fDiagnostics = kTRUE;
}
fTreeR(other.fTreeR),
fCurrentVertex(other.fCurrentVertex),
fESDObj(other.fESDObj),
- fESD(other.fESD)
+ fNoiseFactor(other.fNoiseFactor),
+ fAngleCorrect(other.fAngleCorrect),
+ fVertexType(other.fVertexType),
+ fESD(other.fESD),
+ fDiagnostics(other.fDiagnostics),
+ fDiagStep1(other.fDiagStep1),
+ fDiagStep2(other.fDiagStep2),
+ fDiagStep3(other.fDiagStep3),
+ fDiagStep4(other.fDiagStep4),
+ fDiagAll(other.fDiagAll)
{
// Copy constructor
}
AliFMDReconstructor::operator=(const AliFMDReconstructor& other)
{
// Assignment operator
- fMult = other.fMult;
- fNMult = other.fNMult;
- fTreeR = other.fTreeR;
+ fMult = other.fMult;
+ fNMult = other.fNMult;
+ fTreeR = other.fTreeR;
fCurrentVertex = other.fCurrentVertex;
- fESDObj = other.fESDObj;
- fESD = other.fESD;
+ fESDObj = other.fESDObj;
+ fNoiseFactor = other.fNoiseFactor;
+ fAngleCorrect = other.fAngleCorrect;
+ fVertexType = other.fVertexType;
+ fESD = other.fESD;
+ fDiagnostics = other.fDiagnostics;
+ fDiagStep1 = other.fDiagStep1;
+ fDiagStep2 = other.fDiagStep2;
+ fDiagStep3 = other.fDiagStep3;
+ fDiagStep4 = other.fDiagStep4;
+ fDiagAll = other.fDiagAll;
return *this;
}
//____________________________________________________________________
void
-AliFMDReconstructor::Init(AliRunLoader* runLoader)
+AliFMDReconstructor::Init()
{
// Initialize the reconstructor
- AliDebug(1, Form("Init called with runloader 0x%x", runLoader));
+
// Initialize the geometry
AliFMDGeometry* geom = AliFMDGeometry::Instance();
geom->Init();
// Create ESD output object
fESDObj = new AliESDFMD;
- // Check that we have a run loader
- if (!runLoader) {
- Warning("Init", "No run loader");
- return;
- }
-
- // Check if we can get the header tree
- AliHeader* header = runLoader->GetHeader();
- if (!header) {
- Warning("Init", "No header");
- return;
- }
-
- // Check if we can get a simulation header
- AliGenEventHeader* eventHeader = header->GenEventHeader();
- if (eventHeader) {
- TArrayF vtx;
- eventHeader->PrimaryVertex(vtx);
- fCurrentVertex = vtx[2];
- AliDebug(1, Form("Primary vertex Z coordinate for event # %d/%d is %f",
- header->GetRun(), header->GetEvent(), fCurrentVertex));
- Warning("Init", "no generator event header");
- }
- else {
- Warning("Init", "No generator event header - "
- "perhaps we get the vertex from ESD?");
- }
+ // Check if we need diagnostics histograms
+ if (!fDiagnostics) return;
+ AliInfo("Making diagnostics histograms");
+ fDiagStep1 = new TH2I("diagStep1", "Read ADC vs. Noise surpressed ADC",
+ 1024, -.5, 1023.5, 1024, -.5, 1023.5);
+ fDiagStep1->SetDirectory(0);
+ fDiagStep1->GetXaxis()->SetTitle("ADC (read)");
+ fDiagStep1->GetYaxis()->SetTitle(Form("ADC (noise surpressed %4.f)",
+ fNoiseFactor));
+ fDiagStep2 = new TH2F("diagStep2", "ADC vs Edep deduced",
+ 1024, -.5, 1023.5, 100, 0, 2);
+ fDiagStep2->SetDirectory(0);
+ fDiagStep2->GetXaxis()->SetTitle("ADC (noise surpressed)");
+ fDiagStep2->GetYaxis()->SetTitle("#Delta E [GeV]");
+ fDiagStep3 = new TH2F("diagStep3", "Edep vs Edep path corrected",
+ 100, 0., 2., 100, 0., 2.);
+ fDiagStep3->SetDirectory(0);
+ fDiagStep3->GetXaxis()->SetTitle("#Delta E [GeV]");
+ fDiagStep3->GetYaxis()->SetTitle("#Delta E/#Delta x #times #delta x [GeV]");
+ fDiagStep4 = new TH2F("diagStep4", "Edep vs Multiplicity deduced",
+ 100, 0., 2., 100, -.1, 19.9);
+ fDiagStep4->SetDirectory(0);
+ fDiagStep4->GetXaxis()->SetTitle("#Delta E/#Delta x #times #delta x [GeV]");
+ fDiagStep4->GetYaxis()->SetTitle("Multiplicity");
+ fDiagAll = new TH2F("diagAll", "Read ADC vs Multiplicity deduced",
+ 1024, -.5, 1023.5, 100, -.1, 19.9);
+ fDiagAll->SetDirectory(0);
+ fDiagAll->GetXaxis()->SetTitle("ADC (read)");
+ fDiagAll->GetYaxis()->SetTitle("Multiplicity");
}
//____________________________________________________________________
TTree* digitsTree) const
{
// Convert Raw digits to AliFMDDigit's in a tree
- AliDebug(1, "Reading raw data into digits tree");
+ AliFMDDebug(2, ("Reading raw data into digits tree"));
AliFMDRawReader rawRead(reader, digitsTree);
// rawRead.SetSampleRate(fFMD->GetSampleRate());
rawRead.Exec();
//____________________________________________________________________
void
-AliFMDReconstructor::Reconstruct(TTree* digitsTree,
- TTree* clusterTree) const
+AliFMDReconstructor::GetVertex() const
{
- // Reconstruct event from digits in tree
- // Get the FMD branch holding the digits.
- // FIXME: The vertex may not be known yet, so we may have to move
- // some of this to FillESD.
- AliDebug(1, "Reconstructing from digits in a tree");
-#if 1
+ // Return the vertex to use.
+ // This is obtained from the ESD object.
+ // If not found, a warning is issued.
+ fVertexType = kNoVertex;
+ fCurrentVertex = 0;
if (fESD) {
const AliESDVertex* vertex = fESD->GetVertex();
if (vertex) {
- AliDebug(1, Form("Got vertex from ESD: %f", vertex->GetZv()));
+ AliFMDDebug(2, ("Got vertex from ESD: %f", vertex->GetZv()));
fCurrentVertex = vertex->GetZv();
+ fVertexType = kESDVertex;
+ return;
}
}
-#endif
+ AliWarning("Didn't get any vertex from ESD or generator");
+}
+
+
+//____________________________________________________________________
+void
+AliFMDReconstructor::Reconstruct(AliRawReader* /*reader*/, TTree*) const
+{
+ // Reconstruct directly from raw data (no intermediate output on
+ // digit tree or rec point tree).
+ // Parameters:
+ // reader Raw event reader
+ // ctree Not used.
+ AliError("Method is not used");
+#if 0
+ TClonesArray* array = new TClonesArray("AliFMDDigit");
+ AliFMDRawReader rawRead(reader, 0);
+ rawRead.ReadAdcs(array);
+ ProcessDigits(array);
+ array->Delete();
+ delete array;
+#endif
+}
+
+//____________________________________________________________________
+void
+AliFMDReconstructor::Reconstruct(TTree* digitsTree,
+ TTree* clusterTree) const
+{
+ // Reconstruct event from digits in tree
+ // Get the FMD branch holding the digits.
+ // FIXME: The vertex may not be known yet, so we may have to move
+ // some of this to FillESD.
+ AliFMDDebug(2, ("Reconstructing from digits in a tree"));
+ GetVertex();
+
TBranch *digitBranch = digitsTree->GetBranch("FMD");
if (!digitBranch) {
Error("Exec", "No digit branch for the FMD found");
fTreeR = clusterTree;
fTreeR->Branch("FMD", &fMult);
- AliDebug(5, "Getting entry 0 from digit branch");
+ AliFMDDebug(5, ("Getting entry 0 from digit branch"));
digitBranch->GetEntry(0);
- AliDebug(5, "Processing digits");
+ AliFMDDebug(5, ("Processing digits"));
ProcessDigits(digits);
Int_t written = clusterTree->Fill();
- AliDebug(10, Form("Filled %d bytes into cluster tree", written));
+ AliFMDDebug(10, ("Filled %d bytes into cluster tree", written));
digits->Delete();
delete digits;
}
// number of corrected ADC counts, and pass it on to the algorithms
// used.
Int_t nDigits = digits->GetEntries();
- AliDebug(1, Form("Got %d digits", nDigits));
+ AliFMDDebug(1, ("Got %d digits", nDigits));
+ fESDObj->SetNoiseFactor(fNoiseFactor);
+ fESDObj->SetAngleCorrected(fAngleCorrect);
for (Int_t i = 0; i < nDigits; i++) {
AliFMDDigit* digit = static_cast<AliFMDDigit*>(digits->At(i));
AliFMDParameters* param = AliFMDParameters::Instance();
// Check that the strip is not marked as dead
if (param->IsDead(digit->Detector(), digit->Ring(),
- digit->Sector(), digit->Strip())) continue;
+ digit->Sector(), digit->Strip())) {
+ AliFMDDebug(10, ("FMD%d%c[%2d,%3d] is dead", digit->Detector(),
+ digit->Ring(), digit->Sector(), digit->Strip()));
+ continue;
+ }
// digit->Print();
// Get eta and phi
// Make rough multiplicity
Double_t mult = Energy2Multiplicity(digit, edep);
- AliDebug(10, Form("FMD%d%c[%2d,%3d]: "
+ AliFMDDebug(10, ("FMD%d%c[%2d,%3d]: "
"ADC: %d, Counts: %d, Energy: %f, Mult: %f",
digit->Detector(), digit->Ring(), digit->Sector(),
digit->Strip(), digit->Counts(), counts, edep, mult));
// Create a `RecPoint' on the output branch.
- AliFMDRecPoint* m =
- new ((*fMult)[fNMult]) AliFMDRecPoint(digit->Detector(),
- digit->Ring(),
- digit->Sector(),
- digit->Strip(),
- eta, phi,
- edep, mult);
- (void)m; // Suppress warnings about unused variables.
- fNMult++;
-
+ if (fMult) {
+ AliFMDRecPoint* m =
+ new ((*fMult)[fNMult]) AliFMDRecPoint(digit->Detector(),
+ digit->Ring(),
+ digit->Sector(),
+ digit->Strip(),
+ eta, phi,
+ edep, mult);
+ (void)m; // Suppress warnings about unused variables.
+ fNMult++;
+ }
+
fESDObj->SetMultiplicity(digit->Detector(), digit->Ring(),
digit->Sector(), digit->Strip(), mult);
fESDObj->SetEta(digit->Detector(), digit->Ring(),
digit->Sector(), digit->Strip(), eta);
+
+ if (fDiagAll) fDiagAll->Fill(digit->Counts(), mult);
}
}
// load this to subtract a pedestal that was given in a database or
// something like that.
- Int_t counts = 0;
AliFMDParameters* param = AliFMDParameters::Instance();
- Float_t pedM = param->GetPedestal(digit->Detector(),
+ Float_t ped = param->GetPedestal(digit->Detector(),
digit->Ring(),
digit->Sector(),
digit->Strip());
- AliDebug(10, Form("Subtracting pedestal %f from signal %d",
- pedM, digit->Counts()));
- if (digit->Count3() > 0) counts = digit->Count3();
- else if (digit->Count2() > 0) counts = digit->Count2();
- else counts = digit->Count1();
- counts = TMath::Max(Int_t(counts - pedM), 0);
- if (counts > 0) AliDebug(10, "Got a hit strip");
+ Float_t noise = param->GetPedestalWidth(digit->Detector(),
+ digit->Ring(),
+ digit->Sector(),
+ digit->Strip());
+ AliFMDDebug(15, ("Subtracting pedestal %f from signal %d",
+ ped, digit->Counts()));
+ // if (digit->Count3() > 0) adc = digit->Count3();
+ // else if (digit->Count2() > 0) adc = digit->Count2();
+ // else adc = digit->Count1();
+ Int_t adc = digit->Counts();
+ Int_t counts = TMath::Max(Int_t(adc - ped), 0);
+ if (counts < noise * fNoiseFactor) counts = 0;
+ if (counts > 0) AliFMDDebug(15, ("Got a hit strip"));
+ if (fDiagStep1) fDiagStep1->Fill(adc, counts);
return UShort_t(counts);
}
//____________________________________________________________________
Float_t
AliFMDReconstructor::Adc2Energy(AliFMDDigit* digit,
- Float_t /* eta */,
+ Float_t eta,
UShort_t count) const
{
// Converts number of ADC counts to energy deposited.
// ADC_channel_size
//
// is constant and the same for all strips.
-
- // Double_t theta = 2 * TMath::ATan(TMath::Exp(-eta));
- // Double_t edep = TMath::Abs(TMath::Cos(theta)) * fGain * count;
+ if (count <= 0) return 0;
AliFMDParameters* param = AliFMDParameters::Instance();
Float_t gain = param->GetPulseGain(digit->Detector(),
digit->Ring(),
digit->Sector(),
digit->Strip());
- Double_t edep = count * gain;
- AliDebug(10, Form("Converting counts %d to energy via factor %f",
+ AliFMDDebug(15, ("Converting counts %d to energy via factor %f",
count, gain));
+
+ Double_t edep = count * gain;
+ if (fDiagStep2) fDiagStep2->Fill(count, edep);
+ if (fAngleCorrect) {
+ Double_t theta = 2 * TMath::ATan(TMath::Exp(-eta));
+ Double_t corr = TMath::Abs(TMath::Cos(theta));
+ Double_t cedep = corr * edep;
+ AliFMDDebug(10, ("correcting for path %f * %f = %f (eta=%f, theta=%f)",
+ edep, corr, cedep, eta, theta));
+ if (fDiagStep3) fDiagStep3->Fill(edep, cedep);
+ edep = cedep;
+ }
return edep;
}
Double_t edepMIP = param->GetEdepMip();
Float_t mult = edep / edepMIP;
if (edep > 0)
- AliDebug(10, Form("Translating energy %f to multiplicity via "
+ AliFMDDebug(15, ("Translating energy %f to multiplicity via "
"divider %f->%f", edep, edepMIP, mult));
+ if (fDiagStep4) fDiagStep4->Fill(edep, mult);
return mult;
}
void
AliFMDReconstructor::FillESD(TTree* /* digitsTree */,
TTree* /* clusterTree */,
- AliESD* esd) const
+ AliESDEvent* esd) const
{
// nothing to be done
// FIXME: The vertex may not be known when Reconstruct is executed,
// so we may have to move some of that member function here.
- AliDebug(1, Form("Calling FillESD with two trees and one ESD"));
+ AliFMDDebug(2, ("Calling FillESD with two trees and one ESD"));
// fESDObj->Print();
if (esd) {
- AliDebug(1, Form("Writing FMD data to ESD tree"));
+ AliFMDDebug(2, ("Writing FMD data to ESD tree"));
esd->SetFMDData(fESDObj);
}
-}
+ if (!fDiagnostics || !esd) return;
+ static bool first = true;
+ // This is most likely NOT the event number you'd like to use. It
+ // has nothing to do with the 'real' event number.
+ // - That's OK. We just use it for the name of the directory -
+ // nothing else. Christian
+ Int_t evno = esd->GetEventNumberInFile();
+ AliFMDDebug(1, ("Writing diagnostics histograms to FMD.Diag.root/%03d",evno));
+ TFile f("FMD.Diag.root", (first ? "RECREATE" : "UPDATE"));
+ first = false;
+ f.cd();
+ TDirectory* d = f.mkdir(Form("%03d", evno),
+ Form("Diagnostics histograms for event # %d", evno));
+ d->cd();
+ if (fDiagStep1) fDiagStep1->Write();
+ if (fDiagStep2) fDiagStep2->Write();
+ if (fDiagStep3) fDiagStep3->Write();
+ if (fDiagStep4) fDiagStep4->Write();
+ if (fDiagAll) fDiagAll->Write();
+ d->Write();
+ f.Write();
+ f.Close();
-//____________________________________________________________________
-void
-AliFMDReconstructor::Reconstruct(AliRawReader*,TTree*) const
-{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with loader and tree"));
- AliError("MayNotUse");
-}
-//____________________________________________________________________
-void
-AliFMDReconstructor::Reconstruct(AliRunLoader*) const
-{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with loader"));
- AliError("MayNotUse");
-}
-//____________________________________________________________________
-void
-AliFMDReconstructor::Reconstruct(AliRunLoader*, AliRawReader*) const
-{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with loader and raw reader"));
- AliError("MayNotUse");
-}
-//____________________________________________________________________
-void
-AliFMDReconstructor::FillESD(AliRawReader*,TTree*,AliESD*) const
-{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with raw reader, tree, and ESD"));
- AliError("MayNotUse");
-}
-//____________________________________________________________________
-void
-AliFMDReconstructor::FillESD(AliRunLoader*,AliESD*) const
-{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with loader and ESD"));
- AliError("MayNotUse");
+ if (fDiagStep1) fDiagStep1->Reset();
+ if (fDiagStep2) fDiagStep2->Reset();
+ if (fDiagStep3) fDiagStep3->Reset();
+ if (fDiagStep4) fDiagStep4->Reset();
+ if (fDiagAll) fDiagAll->Reset();
}
+
//____________________________________________________________________
-void
-AliFMDReconstructor::FillESD(AliRunLoader*,AliRawReader*,AliESD*) const
+void
+AliFMDReconstructor::FillESD(AliRawReader*, TTree* clusterTree,
+ AliESDEvent* esd) const
{
- // Cannot be used. See member function with same name but with 2
- // TTree arguments. Make sure you do local reconstrucion
- AliDebug(1, Form("Calling FillESD with loader, raw reader, and ESD"));
- AliError("MayNotUse");
+ TTree* dummy = 0;
+ FillESD(dummy, clusterTree, esd);
}
//____________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff