X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PWG0%2FAliCorrection.cxx;h=3e909ed77235ab41b64fb8e1496244161a138454;hb=317e638fcea73238d622d4520c298f2d6f408387;hp=a29dd0db5e335496f285f5821cd68a191b3865f8;hpb=06e4b91b8df949a77f3d87ce10e905f93903bec1;p=u%2Fmrichter%2FAliRoot.git

diff --git a/PWG0/AliCorrection.cxx b/PWG0/AliCorrection.cxx
index a29dd0db5e3..3e909ed7723 100644
--- a/PWG0/AliCorrection.cxx
+++ b/PWG0/AliCorrection.cxx
@@ -30,24 +30,46 @@ AliCorrection::AliCorrection() : TNamed(),
 }
 
 //____________________________________________________________________
-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, 0.5};
+    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,-15,-10,-8,-6,-4,-2,0,2,4,6,8,10,15,20};
-  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[] = {-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("","",14, binLimitsVtx, 40, binLimitsEta , 28, binLimitsPt);
+  TH3F* dummyBinning = new TH3F("dummyBinning","dummyBinning",14, binLimitsVtx, 40, binLimitsEta , nBinsPt, binLimitsPt);
 
-  fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", title), 14, binLimitsVtx, 22, binLimitsN);
-  fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", title), dummyBinning);
+  fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", fTitle.Data()), 14, binLimitsVtx, 22, binLimitsN);
+  fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", fTitle.Data()), dummyBinning);
 
   delete dummyBinning;
 
@@ -163,7 +185,7 @@ void AliCorrection::Divide()
   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);
 }
 
@@ -263,6 +285,39 @@ void AliCorrection::DrawHistograms(const Char_t* name)
     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()
 {
@@ -292,3 +347,52 @@ void AliCorrection::Multiply()
   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: %1.f, events generated %1.f", 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: %1.f, events generated %1.f", 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);
+  }
+}