#include <TList.h>
#include <TLegend.h>
#include <TLine.h>
+#include <TParameter.h>
#include "AlidNdEtaCorrection.h"
#include <AliCorrection.h>
dNdEtaAnalysis::dNdEtaAnalysis() :
TNamed(),
fData(0),
- fPtDist(0)
+ fMult(0),
+ fPtDist(0),
+ fAnalysisMode(AliPWG0Helper::kInvalid),
+ fTag()
{
// default constructor
}
//____________________________________________________________________
-dNdEtaAnalysis::dNdEtaAnalysis(Char_t* name, Char_t* title, AliPWG0Helper::AnalysisMode analysisMode) :
+dNdEtaAnalysis::dNdEtaAnalysis(const Char_t* name, const Char_t* title, AliPWG0Helper::AnalysisMode analysisMode) :
TNamed(name, title),
fData(0),
- fPtDist(0)
+ fMult(0),
+ fPtDist(0),
+ fAnalysisMode(analysisMode),
+ fTag()
{
// constructor
- // TODO this binning has to be the same than in AliCorrection, somehow passed?!
- Float_t binLimitsPt[] = {0.0, 0.05, 0.1, 0.125, 0.15, 0.175, 0.2, 0.225, 0.25, 0.275, 0.3, 0.325, 0.35, 0.375, 0.4, 0.425, 0.45, 0.475, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, 2.0, 5.0, 10.0, 100.0};
-
fData = new AliCorrection("Analysis", Form("%s Analysis", title), analysisMode);
// do not add this hists to the directory
Bool_t oldStatus = TH1::AddDirectoryStatus();
TH1::AddDirectory(kFALSE);
- fdNdEta[0] = new TH1F("dNdEta", "dN_{ch}/d#eta;#eta;dN_{ch}/d#eta", 40, -2, 2);
+ fMult = new TH1F("TriggeredMultiplicity", "Triggered Events;raw multiplicity;entries", 1000, -0.5, 999.5);
+
+ TH1* histForBinning = fData->GetTrackCorrection()->GetGeneratedHistogram();
+ fdNdEta[0] = new TH1F("dNdEta", "dN_{ch}/d#eta;#eta;dN_{ch}/d#eta", histForBinning->GetNbinsY(), histForBinning->GetYaxis()->GetXbins()->GetArray());
fdNdEtaPtCutOffCorrected[0] = dynamic_cast<TH1F*> (fdNdEta[0]->Clone(Form("%s_corrected", fdNdEta[0]->GetName())));
fdNdEtaPtCutOffCorrected[i] = dynamic_cast<TH1F*> (fdNdEtaPtCutOffCorrected[0]->Clone(Form("%s_%d", fdNdEtaPtCutOffCorrected[0]->GetName(), i)));
}
- fPtDist = new TH1F("Pt", "p_{T} distribution;p_{T} [GeV/c];#frac{dN}{d#eta dp_{T}} [c/GeV]", 28, binLimitsPt);
+ fPtDist = new TH1F("Pt", "p_{T} distribution;p_{T} [GeV/c];#frac{dN}{d#eta dp_{T}} [c/GeV]", histForBinning->GetNbinsZ(), histForBinning->GetZaxis()->GetXbins()->GetArray());
TH1::AddDirectory(oldStatus);
}
fData = 0;
}
+ if (fMult)
+ {
+ delete fMult;
+ fMult = 0;
+ }
+
for (Int_t i=0; i<kVertexBinning; ++i)
{
if (fdNdEta[i])
dNdEtaAnalysis::dNdEtaAnalysis(const dNdEtaAnalysis &c) :
TNamed(c),
fData(0),
- fPtDist(0)
+ fMult(0),
+ fPtDist(0),
+ fAnalysisMode(AliPWG0Helper::kInvalid),
+ fTag()
{
//
// dNdEtaAnalysis copy constructor
dNdEtaAnalysis& target = (dNdEtaAnalysis &) c;
target.fData = dynamic_cast<AliCorrection*> (fData->Clone());
+ target.fMult = dynamic_cast<TH1F*> (fMult->Clone());
for (Int_t i=0; i<kVertexBinning; ++i)
{
target.fPtDist = dynamic_cast<TH1F*> (fPtDist->Clone());
+ target.fAnalysisMode = fAnalysisMode;
+ target.fTag = fTag;
+
TNamed::Copy((TNamed &) c);
}
}
//____________________________________________________________________
-void dNdEtaAnalysis::Finish(AlidNdEtaCorrection* correction, Float_t ptCut, AlidNdEtaCorrection::CorrectionType correctionType)
+void dNdEtaAnalysis::FillTriggeredEvent(Float_t n)
+{
+ // fills a triggered event into the histograms
+
+ fMult->Fill(n);
+}
+
+//____________________________________________________________________
+void dNdEtaAnalysis::Finish(AlidNdEtaCorrection* correction, Float_t ptCut, AlidNdEtaCorrection::CorrectionType correctionType, const char* tag)
{
//
// correct with the given correction values and calculate dNdEta and pT distribution
// the corrections that are applied can be steered by the flag correctionType
+ // the measured result is not used up to a multiplicity of multCut (the bin at multCut is the first that is used!)
//
- // TODO put tag somewhere which corrections have been applied
+ fTag.Form("Correcting dN/deta spectrum (data: %d) >>> %s <<<. Correction type: %d, pt cut: %.2f.", (Int_t) fAnalysisMode, tag, (Int_t) correctionType, ptCut);
+ Printf("\n\n%s", fTag.Data());
// set corrections to 1
fData->SetCorrectionToUnity();
if (correction && correctionType != AlidNdEtaCorrection::kNone)
{
- TH3F* trackCorr = fData->GetTrackCorrection()->GetCorrectionHistogram();
- TH2F* eventCorr = fData->GetEventCorrection()->GetCorrectionHistogram();
+ TH3* trackCorr = fData->GetTrackCorrection()->GetCorrectionHistogram();
+ TH2* eventCorr = fData->GetEventCorrection()->GetCorrectionHistogram();
if (correctionType >= AlidNdEtaCorrection::kTrack2Particle)
trackCorr->Multiply(correction->GetTrack2ParticleCorrection()->GetTrackCorrection()->GetCorrectionHistogram());
{
trackCorr->Multiply(correction->GetVertexRecoCorrection()->GetTrackCorrection()->GetCorrectionHistogram());
eventCorr->Multiply(correction->GetVertexRecoCorrection()->GetEventCorrection()->GetCorrectionHistogram());
+
+ // set bin with multiplicity 0 to unity (correction has no meaning in this bin)
+ for (Int_t i=0; i<=eventCorr->GetNbinsX()+1; i++)
+ eventCorr->SetBinContent(i, 1, 1);
}
switch (correctionType)
else
printf("INFO: No correction applied\n");
+ TH2F* rawMeasured = (TH2F*) fData->GetEventCorrection()->GetMeasuredHistogram()->Clone("rawMeasured");
+
fData->Multiply();
- TH3F* dataHist = fData->GetTrackCorrection()->GetGeneratedHistogram();
+ if (correctionType >= AlidNdEtaCorrection::kVertexReco)
+ {
+ // There are no events with vertex that have 0 multiplicity, therefore
+ // populate bin with 0 multiplicity with the following idea:
+ // alpha = triggered events with vertex at a given vertex position / all triggered events with vertex
+ // triggered events without vertex and 0 multiplicity at a given vertex position = alpha * all triggered events with 0 multiplicity
+ // afterwards we still correct for the trigger efficiency
+
+ //TH2* measuredEvents = fData->GetEventCorrection()->GetMeasuredHistogram();
+ TH2* correctedEvents = fData->GetEventCorrection()->GetGeneratedHistogram();
+
+ TH2* eTrig = correction->GetVertexRecoCorrection()->GetEventCorrection()->GetGeneratedHistogram();
+ TH2* eTrigVtx = correction->GetVertexRecoCorrection()->GetEventCorrection()->GetMeasuredHistogram();
+ //TH1* eTrigVtx_projx = eTrigVtx->ProjectionX("eTrigVtx_projx", 2, rawMeasured->GetNbinsY()+1);
+ TH1* eTrigVtx_projx = eTrigVtx->ProjectionX("eTrigVtx_projx", 2, rawMeasured->GetNbinsY()+1);
+
+ //new TCanvas; correctedEvents->DrawCopy("TEXT");
+
+ // start above 0 mult. bin with integration
+ TH1* vertexDist = rawMeasured->ProjectionX("vertexdist_measured", 2, rawMeasured->GetNbinsY()+1);
+ //new TCanvas; vertexDist->DrawCopy();
+
+ Int_t allEventsWithVertex = (Int_t) vertexDist->Integral(0, vertexDist->GetNbinsX()+1); // include under/overflow!
+ Int_t triggeredEventsWith0Mult = (Int_t) fMult->GetBinContent(1);
+
+ Printf("%d triggered events with 0 mult. -- %d triggered events with vertex", triggeredEventsWith0Mult, allEventsWithVertex);
+
+ TH1* kineBias = (TH1*) vertexDist->Clone("kineBias");
+ kineBias->Reset();
+
+ for (Int_t i = 1; i <= rawMeasured->GetNbinsX(); i++)
+ {
+ Double_t alpha = (Double_t) vertexDist->GetBinContent(i) / allEventsWithVertex;
+ Double_t events = alpha * triggeredEventsWith0Mult;
+
+ if (eTrigVtx_projx->GetBinContent(i) == 0)
+ continue;
+
+ Double_t fZ = eTrigVtx_projx->Integral(0, eTrigVtx_projx->GetNbinsX()+1) / eTrigVtx_projx->GetBinContent(i) *
+ eTrig->GetBinContent(i, 1) / eTrig->Integral(0, eTrig->GetNbinsX()+1, 1, 1);
+ kineBias->SetBinContent(i, fZ);
+
+ events *= fZ;
+
+ // multiply with trigger correction if set above
+ events *= fData->GetEventCorrection()->GetCorrectionHistogram()->GetBinContent(i, 1);
+
+ Printf("Bin %d, alpha is %.2f, fZ is %.3f, number of events with 0 mult.: %.2f", i, alpha * 100., fZ, events);
+
+ correctedEvents->SetBinContent(i, 1, events);
+ }
+
+ //new TCanvas; correctedEvents->DrawCopy("TEXT");
+ //new TCanvas; kineBias->DrawCopy();
+ }
+
+ fData->PrintInfo(ptCut);
+
+ TH3* dataHist = fData->GetTrackCorrection()->GetGeneratedHistogram();
// integrate multiplicity axis out (include under/overflow bins!!!)
- TH2F* tmp = fData->GetEventCorrection()->GetGeneratedHistogram();
- TH1D* vertexHist = tmp->ProjectionX("_px", 0, tmp->GetNbinsY() + 1, "e");
+ TH2* tmp = fData->GetEventCorrection()->GetGeneratedHistogram();
+
+ TH1D* vertexHist = (TH1D*) tmp->ProjectionX("_px", 0, tmp->GetNbinsY() + 1, "e");
// create pt hist
+ if (fAnalysisMode == AliPWG0Helper::kTPC || fAnalysisMode == AliPWG0Helper::kTPCITS)
{
// reset all ranges
dataHist->GetXaxis()->SetRange(0, 0);
dataHist->GetYaxis()->SetRange(0, 0);
dataHist->GetZaxis()->SetRange(0, 0);
- // integrate over pt (with pt cut)
+ // integrate over pt (with pt cut) (TPC, TPCITS) or multiplicity (SPD)
Int_t ptLowBin = 1;
- if (ptCut > 0)
+ if (ptCut > 0 && fAnalysisMode != AliPWG0Helper::kSPD)
ptLowBin = dataHist->GetZaxis()->FindBin(ptCut);
+
+ //new TCanvas; dataHist->DrawCopy();
- dataHist->GetZaxis()->SetRange(ptLowBin, dataHist->GetZaxis()->GetNbins());
- printf("range %d %d\n", ptLowBin, dataHist->GetZaxis()->GetNbins());
+ //dataHist->Sumw2();
+ dataHist->GetZaxis()->SetRange(ptLowBin, dataHist->GetZaxis()->GetNbins()+1);
+ printf("pt/multiplicity range %d %d\n", ptLowBin, dataHist->GetZaxis()->GetNbins()+1);
TH2D* vtxVsEta = dynamic_cast<TH2D*> (dataHist->Project3D("yx2e"));
+
+ //new TCanvas; vtxVsEta->Draw("COLZ");
dataHist->GetZaxis()->SetRange(0, 0);
vtxVsEta->GetXaxis()->SetTitle(dataHist->GetXaxis()->GetTitle());
if (vtxVsEta == 0)
{
- printf("ERROR: pt integration failed\n");
+ printf("ERROR: pt/multiplicity integration failed\n");
return;
}
- //new TCanvas; vtxVsEta->DrawCopy();
- //vtxVsEta->Rebin2D(1, 4);
+ //new TCanvas(tag, tag, 800, 600); vtxVsEta->DrawCopy("COLZ");
+
+ // clear result histograms
+ for (Int_t vertexPos=0; vertexPos<kVertexBinning; ++vertexPos)
+ {
+ fdNdEta[vertexPos]->Reset();
+ fdNdEtaPtCutOffCorrected[vertexPos]->Reset();
+ }
- const Float_t vertexRange = 9.99;
+ const Float_t vertexRangeBegin[kVertexBinning] = { -9.99, -9.99, 0.01 };
+ const Float_t vertexRangeEnd[kVertexBinning] = { 9.99, -0.01, 9.99 };
for (Int_t iEta=1; iEta<=vtxVsEta->GetNbinsY(); iEta++)
{
- // do we have several histograms for different vertex positions?
- Int_t vertexBinGlobalBegin = vertexHist->GetXaxis()->FindBin(-vertexRange);
- Int_t vertexBinWidth = (vertexHist->GetXaxis()->FindBin(vertexRange) - vertexBinGlobalBegin + 1) / (kVertexBinning-1);
- //printf("vertexBinGlobalBegin = %d, vertexBinWidth = %d\n", vertexBinGlobalBegin, vertexBinWidth);
+ // loop over vertex ranges
for (Int_t vertexPos=0; vertexPos<kVertexBinning; ++vertexPos)
{
+ Int_t vertexBinBegin = vertexHist->GetXaxis()->FindBin(vertexRangeBegin[vertexPos]);
+ Int_t vertexBinEnd = vertexHist->GetXaxis()->FindBin(vertexRangeEnd[vertexPos]);
+
+ const Int_t *binBegin = 0;
+ const Int_t maxBins = 60;
- Int_t vertexBinBegin = vertexBinGlobalBegin;
- Int_t vertexBinEnd = vertexBinGlobalBegin + vertexBinWidth * (kVertexBinning-1);
+ // adjust acceptance range
+ // produce with drawPlots.C: DetermineAcceptance(...)
+ if (fAnalysisMode == AliPWG0Helper::kSPD)
+ {
+ //const Int_t binBeginSPD[30] = { 18, 16, 15, 14, 13, 13, 12, 11, 9, 7, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1 }; // by eye
+ //const Int_t binBeginSPD[30] = { -1, -1, -1, -1, 16, 14, 12, 10, 9, 7, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, -1, -1, -1, -1}; // limit in correction map is 5
+
+ //const Int_t binBegin[30] = { -1, -1, -1, 17, 15, 14, 12, 10, 8, 7, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, -1, -1, -1}; // limit in correction map is 10
+
+ //const Int_t binBeginSPD[30] = { -1, -1, -1, -1, 16, 15, 13, 11, 9, 8, 7, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, -1, -1, -1, -1}; // limit 2
+ const Int_t binBeginSPD[maxBins] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 15, 14, 13, 12, 11, 10, 9, 9, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; //limit 5
+
+ binBegin = binBeginSPD;
+ }
+ else if (fAnalysisMode == AliPWG0Helper::kTPC)
+ {
+ //const Int_t binBeginTPC[30] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}; // limit 5, pt cut off 0.2 mev/c
+ const Int_t binBeginTPC[maxBins] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; // limit 5
- // the first histogram is always for the whole vertex range
- if (vertexPos > 0)
+ binBegin = binBeginTPC;
+ }
+ else if (fAnalysisMode == AliPWG0Helper::kTPCITS)
{
- vertexBinBegin = vertexBinGlobalBegin + vertexBinWidth * (vertexPos-1);
- vertexBinEnd = vertexBinBegin + vertexBinWidth;
+ // TODO create map
}
- //printf("vertexBinBegin = %d, vertexBinEnd = %d\n", vertexBinBegin, vertexBinEnd);
+ Int_t vtxBegin = 1;
+ Int_t vtxEnd = maxBins;
- Float_t totalEvents = vertexHist->Integral(vertexBinBegin, vertexBinEnd - 1);
- if (totalEvents == 0)
+ if (binBegin)
{
- printf("WARNING: No events for hist %d %d %d\n", vertexPos, vertexBinBegin, vertexBinEnd);
+ vtxBegin = binBegin[iEta - 1];
+ vtxEnd = 18 + 1 - binBegin[maxBins - iEta];
+ }
+ else
+ Printf("WARNING: No acceptance applied!");
+
+ // eta range not accessible
+ if (vtxBegin == -1)
+ continue;
+
+ //Printf("%d %d | %d %d", vtxBegin, vertexHist->GetXaxis()->FindBin(GetVtxMin(eta)), vtxEnd, vertexHist->GetXaxis()->FindBin(-GetVtxMin(-eta)));
+ //vtxBegin = vertexHist->GetXaxis()->FindBin(GetVtxMin(eta));
+ //vtxEnd = vertexHist->GetXaxis()->FindBin(-GetVtxMin(-eta));
+
+ //Float_t eta = vtxVsEta->GetYaxis()->GetBinCenter(iEta);
+ //printf("Eta bin: %d (%f) Vertex range: %d; before: %d %d (range) %d %d (acceptance)", iEta, eta, vertexPos, vertexBinBegin, vertexBinEnd, vtxBegin, vtxEnd);
+ vertexBinBegin = TMath::Max(vertexBinBegin, vtxBegin);
+ vertexBinEnd = TMath::Min(vertexBinEnd, vtxEnd);
+ //Printf(" after: %d %d", vertexBinBegin, vertexBinEnd);
+
+ // no data for this bin
+ if (vertexBinBegin > vertexBinEnd)
+ {
+ //Printf("Bin empty. Skipped");
continue;
}
+ Float_t totalEvents = 0;
Float_t sum = 0;
Float_t sumError2 = 0;
- for (Int_t iVtx = vertexBinBegin; iVtx < vertexBinEnd; iVtx++)
- {
- if (vtxVsEta->GetBinContent(iVtx, iEta) != 0)
+ Float_t unusedTracks = 0;
+ Float_t unusedEvents = 0;
+ for (Int_t iVtx = 1; iVtx <= vtxVsEta->GetNbinsX(); iVtx++)
+ {
+ if (iVtx >= vertexBinBegin && iVtx <= vertexBinEnd)
{
- sum = sum + vtxVsEta->GetBinContent(iVtx, iEta);
+ if (vtxVsEta->GetBinContent(iVtx, iEta) != 0)
+ {
+ sum += vtxVsEta->GetBinContent(iVtx, iEta);
- if (sumError2 > 10e30)
- printf("WARNING: sum of error2 is dangerously large - be prepared for crash... ");
+ if (sumError2 > 10e30)
+ Printf("WARNING: sum of error2 is dangerously large - be prepared for crash... ");
- sumError2 = sumError2 + TMath::Power(vtxVsEta->GetBinError(iVtx, iEta),2);
+ sumError2 = sumError2 + TMath::Power(vtxVsEta->GetBinError(iVtx, iEta),2);
+ }
+ totalEvents += vertexHist->GetBinContent(iVtx);
+ }
+ else
+ {
+ unusedTracks += vtxVsEta->GetBinContent(iVtx, iEta);
+ unusedEvents += vertexHist->GetBinContent(iVtx);
}
}
+ if (totalEvents == 0)
+ {
+ printf("WARNING: No events for hist %d %d %d\n", vertexPos, vertexBinBegin, vertexBinEnd);
+ continue;
+ }
+
Float_t ptCutOffCorrection = 1;
- if (correction && ptCut > 0)
- ptCutOffCorrection = correction->GetMeasuredFraction(correctionType, ptCut, vtxVsEta->GetYaxis()->GetBinCenter(iEta));
- if (ptCutOffCorrection <= 0)
+ // find pt cut off correction factor
+ if (fAnalysisMode != AliPWG0Helper::kSPD)
{
- printf("UNEXPECTED: ptCutOffCorrection is %f for hist %d %d %d\n", ptCutOffCorrection, vertexPos, vertexBinBegin, vertexBinEnd);
- continue;
+ if (correction && ptCut > 0)
+ ptCutOffCorrection = correction->GetMeasuredFraction(correctionType, ptCut, vtxVsEta->GetYaxis()->GetBinCenter(iEta), vertexBinBegin, vertexBinEnd);
+
+ if (ptCutOffCorrection <= 0)
+ {
+ printf("UNEXPECTED: ptCutOffCorrection is %f for hist %d %d %d\n", ptCutOffCorrection, vertexPos, vertexBinBegin, vertexBinEnd);
+ continue;
+ }
}
- //printf("Eta: %d Vertex Range: %d %d, Event Count %f, Track Sum: %f, Track Sum corrected: %f\n", iEta, vertexBinBegin, vertexBinEnd, totalEvents, sum, sum / ptCutOffCorrection);
+ //printf("Eta: %d (%f) Vertex Range: %d %d, Event Count %f, Track Sum: %f, Track Sum corrected: %f \n", iEta, vtxVsEta->GetYaxis()->GetBinCenter(iEta), vertexBinBegin, vertexBinEnd, totalEvents, sum, sum / ptCutOffCorrection);
Int_t bin = fdNdEta[vertexPos]->FindBin(vtxVsEta->GetYaxis()->GetBinCenter(iEta));
- if (bin > 0 && bin < fdNdEta[vertexPos]->GetNbinsX())
+ if (bin > 0 && bin <= fdNdEta[vertexPos]->GetNbinsX())
{
Float_t dndeta = sum / totalEvents;
Float_t error = TMath::Sqrt(sumError2) / totalEvents;
fdNdEtaPtCutOffCorrected[vertexPos]->SetBinContent(bin, dndeta);
fdNdEtaPtCutOffCorrected[vertexPos]->SetBinError(bin, error);
- //Printf("Bin %d has dN/deta = %f", bin, dndeta);
+ //Printf("Bin %d has dN/deta = %f +- %f; %.2f tracks %.2f events (outside acceptance: %.2f tracks, %.2f events)", bin, dndeta, error, sum, totalEvents, unusedTracks, unusedEvents);
}
}
}
+}
+
+//____________________________________________________________________
+Float_t dNdEtaAnalysis::GetVtxMin(Float_t eta)
+{
+ // helper function for the SPD acceptance
+ // the function returns the beginning of the acceptance window in z vertex position as function of eta
+ // to get the maximum: -GetVtxMin(-eta)
+
+ Float_t a[2] = { -15, 0 };
+ Float_t b[2] = { 0, -1.4 };
+ Float_t c[2] = { 15, -2.2 };
- //new TCanvas; fdNdEta[0]->DrawCopy();
+ Float_t meanAB[2];
+ meanAB[0] = (b[0] + a[0]) / 2;
+ meanAB[1] = (b[1] + a[1]) / 2;
+
+ Float_t meanBC[2];
+ meanBC[0] = (c[0] + b[0]) / 2;
+ meanBC[1] = (c[1] + b[1]) / 2;
+
+ Float_t mAB = (b[1] - a[1]) / (b[0] - a[0]);
+ Float_t mBC = (c[1] - b[1]) / (c[0] - b[0]);
+
+ Float_t bAB = meanAB[1] - mAB * meanAB[0];
+ Float_t bBC = meanBC[1] - mBC * meanBC[0];
+
+ if (eta > b[1])
+ return 1.0 / mAB * eta - bAB / mAB;
+
+ return 1.0 / mBC * eta - bBC / mBC;
}
//____________________________________________________________________
else
printf("dNdEtaAnalysis::SaveHistograms: UNEXPECTED: fData is 0\n");
+ if (fMult)
+ {
+ fMult->Write();
+ }
+ else
+ printf("dNdEtaAnalysis::SaveHistograms: UNEXPECTED: fMult is 0\n");
+
if (fPtDist)
fPtDist ->Write();
else
printf("dNdEtaAnalysis::SaveHistograms: UNEXPECTED: fdNdEtaPtCutOffCorrected[%d] is 0\n", i);
}
+ TNamed named("fTag", fTag.Data());
+ named.Write();
+
+ TParameter<Int_t> param("fAnalysisMode", fAnalysisMode);
+ param.Write();
+
gDirectory->cd("../");
}
gDirectory->cd(dir);
fData->LoadHistograms();
+ fMult = dynamic_cast<TH1F*> (gDirectory->Get(fMult->GetName()));
for (Int_t i=0; i<kVertexBinning; ++i)
{
fPtDist = dynamic_cast<TH1F*> (gDirectory->Get(fPtDist->GetName()));
+ if (dynamic_cast<TNamed*> (gDirectory->Get("fTag")))
+ fTag = (dynamic_cast<TNamed*> (gDirectory->Get("fTag")))->GetTitle();
+
+ if (dynamic_cast<TParameter<Int_t>*> (gDirectory->Get("fAnalysisMode")))
+ fAnalysisMode = (AliPWG0Helper::AnalysisMode) (dynamic_cast<TParameter<Int_t>*> (gDirectory->Get("fAnalysisMode")))->GetVal();
+
gDirectory->cd("../");
}
void dNdEtaAnalysis::DrawHistograms(Bool_t simple)
{
// draws the histograms
-
+
if (!simple)
{
if (fData)
legend->Draw();
}
}
-
+
if (kVertexBinning == 3)
{
TH1* clone = dynamic_cast<TH1*> (fdNdEtaPtCutOffCorrected[1]->Clone("clone"));
TH1* clone2 = dynamic_cast<TH1*> (fdNdEtaPtCutOffCorrected[2]->Clone("clone2"));
-
+
if (clone && clone2)
{
TCanvas* canvas4 = new TCanvas(Form("%s_dNdEtaAnalysisVtxRatios", GetName()), Form("%s_dNdEtaAnalysisVtxRatios", GetName()), 450, 450);
-
+
clone->Divide(fdNdEtaPtCutOffCorrected[0]);
clone->GetYaxis()->SetRangeUser(0.95, 1.05);
clone->DrawCopy();
-
+
clone2->Divide(fdNdEtaPtCutOffCorrected[0]);
clone2->DrawCopy("SAME");
TObject* obj;
// sub collections
- const Int_t nCollections = 2 * kVertexBinning + 2; // 2 standalone hists, two arrays of size kVertexBinning
+ const Int_t nCollections = 2 * kVertexBinning + 3; // 3 standalone hists, 3 arrays of size kVertexBinning
TList* collections[nCollections];
for (Int_t i=0; i<nCollections; ++i)
collections[i] = new TList;
continue;
collections[0]->Add(entry->fData);
- collections[1]->Add(entry->fPtDist);
+ collections[1]->Add(entry->fMult);
+ collections[2]->Add(entry->fPtDist);
for (Int_t i=0; i<kVertexBinning; ++i)
{
- collections[2+i]->Add(entry->fdNdEta[i]);
- collections[2+kVertexBinning+i]->Add(entry->fdNdEtaPtCutOffCorrected[i]);
+ collections[3+i]->Add(entry->fdNdEta[i]);
+ collections[3+kVertexBinning+i]->Add(entry->fdNdEtaPtCutOffCorrected[i]);
}
++count;
}
fData->Merge(collections[0]);
- fPtDist->Merge(collections[1]);
+ fMult->Merge(collections[1]);
+ fPtDist->Merge(collections[2]);
+
for (Int_t i=0; i<kVertexBinning; ++i)
{
- fdNdEta[i]->Merge(collections[2+i]);
- fdNdEta[i]->Merge(collections[2+kVertexBinning+i]);
+ fdNdEta[i]->Merge(collections[3+i]);
+ fdNdEtaPtCutOffCorrected[i]->Merge(collections[3+kVertexBinning+i]);
}
for (Int_t i=0; i<nCollections; ++i)
return count+1;
}
+
+