Making online tracklets usable in offline reconstruction
[u/mrichter/AliRoot.git] / TRD / AliTRDqaBuildReference.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
5  * Contributors are mentioned in the code where appropriate.              *
6  *                                                                        *
7  * Permission to use, copy, modify and distribute this software and its   *
8  * documentation strictly for non-commercial purposes is hereby granted   *
9  * without fee, provided that the above copyright notice appears in all   *
10  * copies and that both the copyright notice and this permission notice   *
11  * appear in the supporting documentation. The authors make no claims     *
12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /* $Id: AliTRDqaBuildReference.cxx 26344 2008-06-03 10:28:50Z cblume $ */
17
18 ////////////////////////////////////////////////////////////////////////////
19 //                                                                        //
20 //  Build the reference histograms                                        //
21 //                                                                        //
22 //  Author:                                                               //
23 //    Sylwester Radomski (radomski@physi.uni-heidelberg.de)               //
24 //                                                                        //
25 ////////////////////////////////////////////////////////////////////////////
26
27 #include "TH1D.h"
28 #include "TFile.h"
29
30 #include "AliTRDqaBuildReference.h"
31
32 //////////////////////////////////////////////////////////////////////////////////////
33
34 void  AliTRDqaBuildReference::BuildRefHistos(TFile *file) const
35 {
36   //
37   // Build the reference histograms
38   //
39
40   // check
41   if (!file) return;
42   if (file->IsZombie()) return;
43   
44   // recpoints
45   Int_t cd = file->cd("TRD/RecPoints");
46   if (cd) {
47     
48     // MPV distribution
49
50     TH1D *r = new TH1D("qaTRD_recPoints_ampMPV_ref", "", 150, 0, 150);
51     for(Int_t i=0; i<r->GetNbinsX(); i++) {
52       Double_t x = r->GetBinCenter(i+1);
53       if (x < 10 || x > 70) r->Fill(x, 1);
54       else if (x < 25 || x > 55) r->Fill(x, 0.5);
55     }
56     
57     r->Fill(-1e3, 1);
58     r->Fill(1e3, 1);
59     
60     // number of clusters
61     r = new TH1D("qaTRD_recPoints_nCls_ref", "", 500, -0.5, 499.5);
62     for(Int_t i=0; i<r->GetNbinsX(); i++) {
63       Double_t x = r->GetBinCenter(i+1);
64       if ( (i+4)%22 > 9 || i < 10) r->Fill(x, 0.5);
65       if (x > 350) r->Fill(x, 1);
66     }
67
68     file->Write();
69   }
70
71   // esds
72
73 }
74
75
76 //////////////////////////////////////////////////////////////////////////////////////