#include <TFile.h>
#include <TCanvas.h>
+#include <TH3F.h>
#include <TH2F.h>
#include <AliLog.h>
}
//____________________________________________________________________
-AliCorrection::AliCorrection(const Char_t* name, const Char_t* title) : TNamed(name, title),
+AliCorrection::AliCorrection(const Char_t* name, const Char_t* title, AliPWG0Helper::AnalysisMode analysisMode) : TNamed(name, title),
fEventCorr(0),
fTrackCorr(0)
{
// constructor initializing tnamed
- 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};
+ Float_t* binLimitsPt = 0;
+ Int_t nBinsPt = 0;
+
+ // different binnings, better solution could be anticipated...
+ if (analysisMode == AliPWG0Helper::kTPC || analysisMode == AliPWG0Helper::kTPCITS)
+ {
+ static Float_t binLimitsPtTmp[] = {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};
+ binLimitsPt = (Float_t*) binLimitsPtTmp;
+ nBinsPt = 28;
+ }
+ else if (analysisMode == AliPWG0Helper::kSPD)
+ {
+ static Float_t binLimitsPtTmp[] = {-0.5, 100.0};
+ binLimitsPt = (Float_t*) binLimitsPtTmp;
+ nBinsPt = 1;
+ }
+
+ if (!binLimitsPt)
+ {
+ Printf("FATAL: Invalid binning");
+ return;
+ }
+
Float_t binLimitsN[] = {-0.5, 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 12.5, 14.5, 16.5, 18.5, 20.5, 25.5, 30.5, 40.5, 50.5, 100.5, 300.5};
//Float_t binLimitsVtx[] = {-20,-15,-10,-6,-3,0,3,6,10,15,20};
- Float_t binLimitsVtx[] = {-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+ //Float_t binLimitsVtx[] = {-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+ Float_t binLimitsVtx[] = {-30,-25,-20,-15,-10,-8,-6,-4,-2,0,2,4,6,8,10,15,20,25,30};
+ Float_t binLimitsEta[] = {-3.0,-2.8,-2.6,-2.4,-2.2,
+ -2.0,-1.8,-1.6,-1.4,-1.2,
+ -1.0,-0.8,-0.6,-0.4,-0.2, 0.0,
+ 0.2, 0.4, 0.6, 0.8, 1.0,
+ 1.2, 1.4, 1.6, 1.8, 2.0,
+ 2.2, 2.4, 2.6, 2.8, 3.0};
+// Float_t binLimitsEta[] = {-2,-1.8,-1.6,-1.4,-1.2,-1.0,-0.8,-0.6,-0.4,-0.2,0.0,0.2,0.4,0.6,0.8,1.0,1.2,1.4,1.6,1.8,2.0};
+// Float_t binLimitsEta[] = {-2,-1.9,-1.8,-1.7,-1.6,-1.5,-1.4,-1.3,-1.2,-1.1,-1.0,-0.9,-0.8,-0.7,-0.6,-0.5,-0.4,-0.3,-0.2,-0.1,0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0};
+// Float_t binLimitsEta[] = { -7.0, -6.9, -6.8, -6.7, -6.6, -6.5, -6.4, -6.3, -6.2, -6.1, -6.0, -5.9, -5.8, -5.7, -5.6, -5.5, -5.4, -5.3, -5.2, -5.1, -5.0, -4.9, -4.8, -4.7, -4.6, -4.5, -4.4, -4.3, -4.2, -4.1, -4.0, -3.9, -3.8, -3.7, -3.6, -3.5, -3.4, -3.3, -3.2, -3.1, -3.0, -2.9, -2.8, -2.7, -2.6, -2.5, -2.4, -2.3, -2.2, -2.1, -2.0, -1.9, -1.8, -1.7, -1.6, -1.5, -1.4, -1.3, -1.2, -1.1, -1.0, -0.9, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, -0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 6.0, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7.0 };
+
+ TH3F* dummyBinning = new TH3F("dummyBinning","dummyBinning",18, binLimitsVtx, 30, binLimitsEta , nBinsPt, binLimitsPt);
- fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", title), 40, binLimitsVtx, 22, binLimitsN);
- fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", title), 40, -20, 20, 20, -2, 2, 28, binLimitsPt);
+ fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", fTitle.Data()), 18, binLimitsVtx, 22, binLimitsN);
+ fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", fTitle.Data()), dummyBinning);
+
+ delete dummyBinning;
fEventCorr->SetAxisTitles("vtx z [cm]", "Ntracks");
fTrackCorr->SetAxisTitles("vtx z [cm]", "#eta", "p_{T} [GeV/c]");
fEventCorr->Divide();
fTrackCorr->Divide();
- Int_t emptyBins = fTrackCorr->CheckEmptyBins(-9.99, 9.99, -0.79, 0.79, 0.3, 9.9);
+ Int_t emptyBins = fTrackCorr->CheckEmptyBins(-9.99, 9.99, -0.79, 0.79, 0.3, 4.9);
printf("INFO: In the central region the track correction of %s has %d empty bins\n", GetName(), emptyBins);
}
+//____________________________________________________________________
+void AliCorrection::Add(AliCorrection* aCorrectionToAdd, Float_t c)
+{
+ //
+ // add to measured and generated the measured and generated of aCorrectionToAdd
+ // with the weight c
+
+ fEventCorr->Add(aCorrectionToAdd->GetEventCorrection(),c);
+ fTrackCorr->Add(aCorrectionToAdd->GetTrackCorrection(),c);
+}
+
+
//____________________________________________________________________
Bool_t AliCorrection::LoadHistograms(const Char_t* dir)
{
fTrackCorr->DrawHistograms(Form("%s track", name));
}
+void AliCorrection::DrawOverview(const char* canvasName)
+{
+ // draw projection of the corrections
+ // to the 3 axis of fTrackCorr and 2 axis of fEventCorr
+
+ TString canvasNameTmp(GetName());
+ if (canvasName)
+ canvasNameTmp = canvasName;
+
+ TCanvas* canvas = new TCanvas(canvasNameTmp, canvasNameTmp, 1200, 800);
+ canvas->Divide(3, 2);
+
+ if (fTrackCorr) {
+ canvas->cd(1);
+ fTrackCorr->Get1DCorrectionHistogram("x", 0.3, 5, -1, 1)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10);
+
+ canvas->cd(2);
+ fTrackCorr->Get1DCorrectionHistogram("y", 0.3, 5, 0, 0)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10);
+
+ canvas->cd(3);
+ fTrackCorr->Get1DCorrectionHistogram("z", 0, -1, -1, 1)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10);
+ }
+
+ if (fEventCorr)
+ {
+ canvas->cd(4);
+ fEventCorr->Get1DCorrectionHistogram("x")->DrawCopy();
+
+ canvas->cd(5);
+ fEventCorr->Get1DCorrectionHistogram("y")->DrawCopy()->GetXaxis()->SetRangeUser(0, 30);
+ }
+}
+
//____________________________________________________________________
void AliCorrection::SetCorrectionToUnity()
{
if (fTrackCorr)
fTrackCorr->Multiply();
}
+
+//____________________________________________________________________
+void AliCorrection::Scale(Double_t factor)
+{
+ // scales the two contained corrections
+
+ fEventCorr->Scale(factor);
+ fTrackCorr->Scale(factor);
+}
+
+//____________________________________________________________________
+void AliCorrection::PrintInfo(Float_t ptCut)
+{
+ // prints some stats
+
+ TH3* measured = GetTrackCorrection()->GetMeasuredHistogram();
+ TH3* generated = GetTrackCorrection()->GetGeneratedHistogram();
+
+ TH2* measuredEvents = GetEventCorrection()->GetMeasuredHistogram();
+ TH2* generatedEvents = GetEventCorrection()->GetGeneratedHistogram();
+
+ Printf("AliCorrection::PrintInfo: Whole phasespace:");
+
+ Printf("tracks measured: %.1f tracks generated: %.1f, events measured: %.1f, events generated %.1f", measured->Integral(), generated->Integral(), measuredEvents->Integral(), generatedEvents->Integral());
+
+ Printf("AliCorrection::PrintInfo: Values in |eta| < 0.8, |vtx-z| < 10 and pt > %.2f:", ptCut);
+
+ Float_t tracksM = measured->Integral(measured->GetXaxis()->FindBin(-9.9), measured->GetXaxis()->FindBin(9.9), measured->GetYaxis()->FindBin(-0.79), measured->GetYaxis()->FindBin(0.79), measured->GetZaxis()->FindBin(ptCut), measured->GetZaxis()->GetNbins());
+ Float_t tracksG = generated->Integral(generated->GetXaxis()->FindBin(-9.9), generated->GetXaxis()->FindBin(9.9), generated->GetYaxis()->FindBin(-0.79), generated->GetYaxis()->FindBin(0.79), generated->GetZaxis()->FindBin(ptCut), generated->GetZaxis()->GetNbins());
+
+ Float_t eventsM = measuredEvents->Integral(measuredEvents->GetXaxis()->FindBin(-9.9), measuredEvents->GetXaxis()->FindBin(9.9), 1, measuredEvents->GetNbinsY());
+ Float_t eventsG = generatedEvents->Integral(generatedEvents->GetXaxis()->FindBin(-9.9), generatedEvents->GetXaxis()->FindBin(9.9), 1, generatedEvents->GetNbinsY());
+
+ Printf("tracks measured: %.1f tracks generated: %.1f, events measured: %.1f, events generated %.1f", tracksM, tracksG, eventsM, eventsG);
+
+ if (tracksM > 0)
+ Printf("Effective average correction factor for TRACKS: %.3f", tracksG / tracksM);
+ if (eventsM > 0)
+ Printf("Effective average correction factor for EVENTS: %.3f", eventsG / eventsM);
+
+ if (eventsM > 0 && eventsG > 0)
+ {
+ // normalize to number of events;
+ tracksM /= eventsM;
+ tracksG /= eventsG;
+
+ Printf("%.2f tracks/event measured, %.2f tracks/event after correction --> effective average correction factor is %.3f (pt cut %.2f GeV/c)", tracksM, tracksG, tracksG / tracksM, ptCut);
+ }
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff