]>
Commit | Line | Data |
---|---|---|
7148817a | 1 | // Author: Dariusz Miskowiec <mailto:d.miskowiec@gsi.de> 2007 |
2 | ||
3 | //============================================================================= | |
4 | // event global variable analyzer | |
5 | //============================================================================= | |
6 | ||
7 | #include <TROOT.h> | |
8 | #include <TH1.h> | |
9 | #include <TH2.h> | |
10 | #include "AliDEvent.h" | |
11 | #include "AliDAnalGlobal.h" | |
12 | ||
13 | ClassImp(AliDAnalGlobal) | |
14 | ||
15 | //============================================================================= | |
16 | AliDAnalGlobal::AliDAnalGlobal(Char_t *nam) : AliDAnal(nam) | |
17 | { | |
18 | // constructor | |
19 | ||
20 | TH1D *mult = new TH1D("mult","mult",5000,-0.5,4999.5); | |
21 | mult->SetXTitle("multiplicity"); | |
22 | TH1D *cent = new TH1D("cent","cent",100,0,1); | |
23 | cent->SetXTitle("centrality"); | |
24 | TH2D *dire = new TH2D("dire","dire",100,-40,40,100,-40,40); | |
25 | dire->SetXTitle("Qx (GeV)"); | |
26 | dire->SetYTitle("Qy (GeV)"); | |
27 | TH1D *zver = new TH1D("zver","zver",120,-1.2,1.2); | |
28 | zver->SetXTitle("normalized z-vertex"); | |
29 | fHistos.Add(mult); | |
30 | fHistos.Add(cent); | |
31 | fHistos.Add(dire); | |
32 | fHistos.Add(zver); | |
33 | gROOT->cd(); | |
34 | printf("%s object named %s created\n",ClassName(),GetName()); | |
35 | } | |
36 | //============================================================================= | |
37 | void AliDAnalGlobal::Process(AliDEvent *ev) | |
38 | { | |
39 | // fill event variable histograms | |
40 | ||
41 | TH1D *mult = (TH1D*) fHistos.At(0); | |
42 | TH1D *cent = (TH1D*) fHistos.At(1); | |
43 | TH2D *dire = (TH2D*) fHistos.At(2); | |
44 | TH1D *zver = (TH1D*) fHistos.At(3); | |
45 | ||
46 | mult->Fill(ev->NParticles(),1.0); | |
47 | cent->Fill(ev->Centrality(),1.0); | |
48 | Double_t qx,qy; | |
49 | ev->RP(qx,qy); | |
50 | dire->Fill(qx,qy,1.0); | |
51 | zver->Fill(ev->Zver(),1.0); | |
52 | } | |
53 | //============================================================================= |