54d4d35a5dc93b5bf6be9cc845b30b0aa90255c2
[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDTP.cxx
1 /**************************************************************************
2  * Copyright(c) 2007-2009, 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 #include "AliITSOnlineSDDTP.h"
16 #include "AliLog.h"
17 #include <TH2F.h>
18 #include <TMath.h>
19
20
21 ///////////////////////////////////////////////////////////////////
22 //                                                               //
23 // Implemetation of the class SDD Test Pulse analysis            //
24 // Origin: F.Prino, Torino, prino@to.infn.it                     //
25 //                                                               //
26 ///////////////////////////////////////////////////////////////////
27
28
29 ClassImp(AliITSOnlineSDDTP)
30
31 //______________________________________________________________________
32 AliITSOnlineSDDTP::AliITSOnlineSDDTP():AliITSOnlineSDD(),fNEvents(0),fDAC(0.),fNSigmaGain(0.)
33 {
34   // default constructor
35   Reset();
36   SetNSigmaGain();
37 }
38 //______________________________________________________________________
39 AliITSOnlineSDDTP::AliITSOnlineSDDTP(Int_t mod, Int_t sid, Float_t xDAC):AliITSOnlineSDD(mod,sid),fNEvents(0),fDAC(xDAC),fNSigmaGain(0.)
40 {
41   // standard constructor
42   Reset();
43   SetNSigmaGain();
44 }
45 //______________________________________________________________________
46 AliITSOnlineSDDTP::~AliITSOnlineSDDTP(){
47   // Destructor
48 }
49 //______________________________________________________________________
50 void AliITSOnlineSDDTP::Reset(){
51   //
52   fNEvents=0;
53   for(Int_t i=0;i<fgkNAnodes;i++){
54     fGoodAnode[i]=1;
55     fBaseline[i]=0.;
56     fSumTPPeak[i]=0.;
57     fTPPos[i]=0.;
58   }
59   ReadBaselines();
60 }
61
62 //______________________________________________________________________
63 void AliITSOnlineSDDTP::AddEvent(TH2F* hrawd){
64   // 
65   fNEvents++;
66   Double_t tbmax=(Double_t)hrawd->GetNbinsX();
67   for(Int_t ian=0;ian<fgkNAnodes;ian++){
68     Float_t auxmax=0.;
69     Int_t auxtb=0;
70     if(!fGoodAnode[ian]) continue;
71     for(Int_t itb=0;itb<tbmax;itb++){
72       Float_t cnt=hrawd->GetBinContent(itb+1,ian+1);
73       if(cnt>auxmax){ 
74         auxmax=cnt;
75         auxtb=itb;
76       }
77     }
78     fSumTPPeak[ian]+=auxmax-fBaseline[ian];
79     fTPPos[ian]+=auxtb;
80   }
81 }
82 //______________________________________________________________________
83 void AliITSOnlineSDDTP::ReadBaselines(){
84   // assume baselines and good anodes are taken from previous run
85   Char_t basfilnam[100];
86   sprintf(basfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
87   FILE* basf=fopen(basfilnam,"r");
88   if(basf==0){
89     AliWarning("Baselinefile not present, Set all baselines to 50\n");
90     for(Int_t ian=0;ian<fgkNAnodes;ian++){ 
91       fBaseline[ian]=50.;
92       fGoodAnode[ian]=1;
93     }
94     return;
95   }
96   Int_t n,ok;
97   Float_t base,rms,cmn,corrnoi;
98   for(Int_t ian=0;ian<fgkNAnodes;ian++){
99     fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
100     fBaseline[ian]=base;
101     fGoodAnode[ian]=ok;
102   }
103   fclose(basf);
104 }
105
106 //______________________________________________________________________
107 void AliITSOnlineSDDTP::ValidateAnodes(){
108   //
109   Float_t meang,rmsg;
110   StatGain(meang,rmsg);
111   Float_t lowlim=meang-fNSigmaGain*rmsg;
112   Float_t hilim=meang+fNSigmaGain*rmsg;
113
114   for(Int_t ian=0;ian<fgkNAnodes;ian++){
115     if(!fGoodAnode[ian]) continue;
116     if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
117   }
118 }
119
120
121 //______________________________________________________________________
122 void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t  &rms){
123   //
124   Float_t sum=0.,sumq=0.;
125   Int_t cnt=0;
126   for(Int_t ian=0;ian<fgkNAnodes;ian++){
127     if(!fGoodAnode[ian]) continue;
128     sum+=GetChannelGain(ian);
129     sumq+=TMath::Power(GetChannelGain(ian),2);
130     cnt++;
131   }
132   if(cnt>0){ 
133     mean=sum/(Float_t)cnt;
134     rms=TMath::Sqrt(sumq/(Float_t)cnt-mean*mean);
135   }else{ 
136     mean=0.;
137     rms=0.;
138   }
139   return;
140 }
141
142 //______________________________________________________________________
143 void AliITSOnlineSDDTP::WriteToASCII(){
144   //
145   Char_t basfilnam[100];
146   sprintf(basfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
147   FILE* basf=fopen(basfilnam,"r");
148   if(basf==0){
149     AliWarning("Baseline file not present, launch baseline analysis first\n");
150     return;
151   }
152   Int_t n,ok;
153   Float_t base,rms,cmn,corrnoi;
154   Float_t noise[fgkNAnodes],cmncoef[fgkNAnodes],corrnoise[fgkNAnodes];
155   for(Int_t ian=0;ian<fgkNAnodes;ian++){
156     fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
157     noise[ian]=rms;
158     cmncoef[ian]=cmn;
159     corrnoise[ian]=corrnoi;
160   }
161   fclose(basf);
162   Char_t outfilnam[100];
163   sprintf(outfilnam,"SDDbase_mod%03d_sid%d.data",fModuleId,fSide);
164   FILE* outf=fopen(outfilnam,"w");
165   for(Int_t ian=0;ian<fgkNAnodes;ian++){
166     fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),fBaseline[ian], noise[ian],cmncoef[ian],corrnoise[ian],GetChannelGain(ian));
167   }
168   fclose(outf);  
169 }
170