-
-#include "TH1F.h"
-#include "TCanvas.h"
-#include "AliAODEvent.h"
-#include "AliAODTrack.h"
-#include "AliAnalysisTaskPtME.h"
-
-// example of an analysis task creating a p_t spectrum
-// Authors: Panos Cristakoglou, Jan Fiete Grosse-Oetringhaus, Christian Klein-Boesing
-
-ClassImp(AliAnalysisTaskPtME)
-
-//________________________________________________________________________
-AliAnalysisTaskPtME::AliAnalysisTaskPtME(const char *name)
- : AliAnalysisTaskME(name), fHistPt(0)
-{
- // Constructor
- // Define input and output slots here
- DefineOutput(1, TH1F::Class());
-}
-
-
-//________________________________________________________________________
-void AliAnalysisTaskPtME::UserCreateOutputObjects()
-{
- // Create histograms
- // Called once
-
- fHistPt = new TH1F("fHistPt", "P_{T} distribution", 15, 0.1, 3.1);
- fHistPt->GetXaxis()->SetTitle("P_{T} (GeV/c)");
- fHistPt->GetYaxis()->SetTitle("dN/dP_{T} (c/GeV)");
- fHistPt->SetMarkerStyle(kFullCircle);
-}
-
-//________________________________________________________________________
-void AliAnalysisTaskPtME::UserExec(Option_t *)
-{
- // Main loop
- // Called for each event
-
- for (Int_t jev = 0; jev < 3; jev++) {
- AliAODEvent* aod = GetEvent(jev);
- Int_t ntracks = aod->GetNumberOfTracks();
- printf("Number of tracks %5d %5d\n", jev, ntracks);
-
- for (Int_t iTracks = 0; iTracks < aod->GetNumberOfTracks(); iTracks++)
- {
- AliAODTrack* track = aod->GetTrack(iTracks);
- if (!track) {
- Printf("ERROR: Could not receive track %d", iTracks);
- continue;
- }
-
- fHistPt->Fill(track->Pt());
- } //track loop
- } // event loop
- // Post output data.
- PostData(0, fHistPt);
-}
-
-//________________________________________________________________________
-void AliAnalysisTaskPtME::Terminate(Option_t *)
-{
- // Draw result to the screen
- // Called once at the end of the query
-
- TCanvas *c1 = new TCanvas("AliAnalysisTaskPt","Pt",10,10,510,510);
- c1->cd(1)->SetLogy();
- fHistPt->DrawCopy("E");
-}
+// gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include");\r
+#ifndef AliAnalysisTaskPt_cxx\r
+#define AliAnalysisTaskPt_cxx\r
+\r
+// example of an analysis task creating a p_t spectrum\r
+// Authors: Panos Cristakoglou, Jan Fiete Grosse-Oetringhaus, Christian Klein-Boesing\r
+\r
+class TH1F;\r
+class AliESDEvent;\r
+\r
+#include "AliAnalysisTaskME.h"\r
+\r
+class AliAnalysisTaskPtME : public AliAnalysisTaskME {\r
+ public:\r
+ AliAnalysisTaskPtME(const char *name = "AliAnalysisTaskPt");\r
+ virtual ~AliAnalysisTaskPtME() {}\r
+ \r
+ virtual void UserCreateOutputObjects();\r
+ virtual void UserExec(Option_t *option);\r
+ virtual void Terminate(Option_t *);\r
+ \r
+ private:\r
+ TH1F *fHistPt; //Pt spectrum\r
+ \r
+ AliAnalysisTaskPtME(const AliAnalysisTaskPtME&); // not implemented\r
+ AliAnalysisTaskPtME& operator=(const AliAnalysisTaskPtME&); // not implemented\r
+ \r
+ ClassDef(AliAnalysisTaskPtME, 1); // example of analysis\r
+};\r
+\r
+#endif\r