3 hisograms for online satellite monitoring added
[u/mrichter/AliRoot.git] / T0 / AliT0CalibSeasonTimeShift.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: AliT0CalibSeasonTimeShift.cxx 42881 2010-08-16 10:59:14Z alla $ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 // class for T0 calibration                       TM-AC-AM_6-02-2006  
21 // equalize time shift for each time CFD channel
22 //                                                                           //
23 ///////////////////////////////////////////////////////////////////////////////
24
25 #include "AliT0CalibSeasonTimeShift.h"
26 #include "AliLog.h"
27 #include <TFile.h>
28 #include <TMath.h>
29 #include <TF1.h>
30 #include <TProfile.h>
31 #include <iostream>
32
33 ClassImp(AliT0CalibSeasonTimeShift)
34
35 //________________________________________________________________
36   AliT0CalibSeasonTimeShift::AliT0CalibSeasonTimeShift():TNamed()
37 {
38   //
39
40 }
41
42 //________________________________________________________________
43 AliT0CalibSeasonTimeShift::AliT0CalibSeasonTimeShift(const char* name):TNamed()
44 {
45     //constructor
46     
47   TString namst = "Calib_";
48   namst += name;
49   SetName(namst.Data());
50   SetTitle(namst.Data());
51 }
52
53 //________________________________________________________________
54 AliT0CalibSeasonTimeShift::AliT0CalibSeasonTimeShift(const AliT0CalibSeasonTimeShift& calibda):TNamed(calibda)          
55
56 {
57 // copy constructor
58   SetName(calibda.GetName());
59   SetTitle(calibda.GetName());
60
61
62 }
63
64 //________________________________________________________________
65 AliT0CalibSeasonTimeShift &AliT0CalibSeasonTimeShift::operator =(const AliT0CalibSeasonTimeShift& calibda)
66 {
67 // assignment operator
68   SetName(calibda.GetName());
69   SetTitle(calibda.GetName());
70  
71   return *this;
72 }
73
74 //________________________________________________________________
75 AliT0CalibSeasonTimeShift::~AliT0CalibSeasonTimeShift()
76 {
77   //
78   // destrictor
79 }
80
81
82 //________________________________________________________________
83 void  AliT0CalibSeasonTimeShift::Print(Option_t*) const
84 {
85   // print time values
86
87   printf("\n    ----    T0 results      ----\n\n");
88   printf(" (T0A+T0C)/2 = %f; T0A = %f; T0C = %f; resolution = %f  \n", fMeanPar[0], fMeanPar[1],fMeanPar[2],fMeanPar[3]);
89   printf(" sigma(T0A+T0C)/2 = %f; sigma(T0 = %f; sigma(T0C) = %f; sigma(resolution) = %f  \n" , fSigmaPar[0], fSigmaPar[1], fSigmaPar[2],fSigmaPar[3]);
90  
91
92
93 //________________________________________________________________
94 void  AliT0CalibSeasonTimeShift::SetT0Par(Float_t par[4],Float_t spar[4])
95 {
96   for (Int_t i=0; i<4; i++)
97     {
98       fMeanPar[i] = par[i];
99       fSigmaPar[i] = spar[i];
100     }
101
102 }
103
104 //________________________________________________________________
105 void AliT0CalibSeasonTimeShift::SetT0Par(const char* filePhys)
106 {
107
108   gFile = TFile::Open(filePhys);
109   if(!gFile) {
110     AliError("No input PHYS data found ");
111   }
112   else
113     {
114       gFile->ls();
115  
116       TString histname[4]={"meanAC", "meanA", "meanC", "resolution"};
117        for (Int_t i=0; i<4; i++)
118         {
119           TH1F *cfd = (TH1F*) gFile->Get(histname[i].Data());
120           if(!cfd) AliWarning(Form("no histograms collected for %s", histname[i].Data()));
121           if(cfd) {
122             TF1 *g = new TF1("g", "gaus",-2,2);
123             cfd->Fit("g"," ","Q",-2,2);
124             Double_t par[3];
125             g->GetParameters(&par[0]);
126             fMeanPar[i] = par[1];
127             fSigmaPar[i]=par[2];
128
129           }
130         } 
131
132           gFile->Close();
133           delete gFile;
134           
135     }
136   
137 }