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Commit | Line | Data |
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af8e1c2d | 1 | #include "iostream.h" |
2 | #include "TMath.h" | |
3 | ||
4 | void AliITSFindPrimaryVertex(Int_t evNumber1=0,Int_t evNumber2=0, const char *filename="galice.root") { | |
5 | ||
6 | ||
c5f0f3c1 | 7 | ///////////////// Dynamically link some shared libs ///////////////////// |
af8e1c2d | 8 | |
9 | if (gClassTable->GetID("AliRun") < 0) { | |
10 | gROOT->LoadMacro("loadlibs.C"); | |
11 | loadlibs(); | |
12 | } else { | |
13 | delete gAlice; | |
14 | gAlice=0; | |
15 | } | |
16 | ||
17 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
18 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(filename); | |
c5f0f3c1 | 19 | if (!file) file = new TFile(filename); |
af8e1c2d | 20 | |
21 | ||
c5f0f3c1 | 22 | // Get AliRun object from file |
af8e1c2d | 23 | if (!gAlice) { |
24 | gAlice = (AliRun*)file->Get("gAlice"); | |
c5f0f3c1 | 25 | if (gAlice) { |
26 | printf("AliRun object found on file\n"); | |
27 | } | |
28 | else { | |
29 | printf("AliRun object not found - nothing done\n"); | |
30 | return; | |
31 | } | |
af8e1c2d | 32 | } |
33 | ||
c5f0f3c1 | 34 | // Open output file for vertices and Create vertexer |
35 | TFile *filou = new TFile("vertices.root","recreate"); | |
36 | AliITSVertexerIons *vertexer = new AliITSVertexerIons(file,filou); | |
37 | AliITSVertex *V; | |
af8e1c2d | 38 | // Loop over events |
39 | // | |
40 | Int_t Nh=0; | |
41 | Int_t Nh1=0; | |
42 | for (int nev=0; nev<= evNumber2; nev++) { | |
43 | gAlice->SetEvent(nev); | |
44 | Int_t nparticles = gAlice->GetEvent(nev); | |
45 | cout << "nev " << nev <<endl; | |
46 | cout << "nparticles " << nparticles <<endl; | |
47 | if (nev < evNumber1) continue; | |
48 | if (nparticles <= 0) return; | |
49 | ||
50 | ||
51 | TStopwatch timer; | |
52 | timer.Start(); | |
53 | ||
c5f0f3c1 | 54 | V=vertexer->FindVertexForCurrentEvent(i); |
af8e1c2d | 55 | |
56 | timer.Stop(); | |
57 | timer.Print(); | |
58 | ||
59 | cout << endl << "Xv = " << V->GetXv() << " cm" << endl; | |
60 | cout << "X resolution = " << V->GetXRes()*10000 << " microns" << endl; | |
61 | cout << "Signal/Noise for X = " << V->GetXSNR() << endl; | |
62 | cout << endl << "Yv = " << V->GetYv() << " cm" << endl; | |
63 | cout << "Y resolution = " << V->GetYRes()*10000 << " microns" << endl; | |
64 | cout << "Signal/Noise for Y = " << V->GetYSNR() << endl; | |
65 | cout << endl << "Zv = " << V->GetZv() << " cm" << endl; | |
66 | cout << "Z Resolution = " << V->GetZRes()*10000 << " microns" << endl; | |
67 | cout << "Signal/Noise for Z = " << V->GetZSNR() <<endl; | |
68 | ||
c5f0f3c1 | 69 | vertexer->WriteCurrentVertex(); |
af8e1c2d | 70 | } |
71 | ||
72 | file->Close(); | |
c5f0f3c1 | 73 | filou->Close(); |
af8e1c2d | 74 | } |
75 |