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[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 <TFile.h>
16 #include "AliITSOnlineSDDTP.h"
17 #include "AliLog.h"
18 #include <TH2F.h>
19 #include <TMath.h>
20
21
22 ///////////////////////////////////////////////////////////////////
23 //                                                               //
24 // Implemetation of the class SDD Test Pulse analysis            //
25 // Origin: F.Prino, Torino, prino@to.infn.it                     //
26 //                                                               //
27 ///////////////////////////////////////////////////////////////////
28
29
30 ClassImp(AliITSOnlineSDDTP)
31
32 //______________________________________________________________________
33 AliITSOnlineSDDTP::AliITSOnlineSDDTP():AliITSOnlineSDD(),fDAC(0.),fLowThreshold(0),fHighThreshold(0),fNSigmaGain(0.),fNSigmaNoise(0.)
34 {
35   // default constructor
36   Reset();
37   SetNSigmaGain();
38   SetNSigmaNoise();
39 }
40 //______________________________________________________________________
41 AliITSOnlineSDDTP::AliITSOnlineSDDTP(Int_t nddl, Int_t ncarlos, Int_t sid, Float_t xDAC):AliITSOnlineSDD(nddl,ncarlos,sid),fDAC(xDAC),fLowThreshold(0),fHighThreshold(0),fNSigmaGain(0.),fNSigmaNoise(0.)
42 {
43   // standard constructor
44   Reset();
45   SetNSigmaGain();
46   SetNSigmaNoise();
47 }
48 //______________________________________________________________________
49 AliITSOnlineSDDTP::~AliITSOnlineSDDTP(){
50   // Destructor
51 }
52 //______________________________________________________________________
53 void AliITSOnlineSDDTP::Reset(){
54   // reset all counters
55   for(Int_t i=0;i<fgkNAnodes;i++){
56     fNEvents[i]=0;
57     fGoodAnode[i]=1;
58     fBaseline[i]=0.;
59     fCMN[i]=0.;
60     fRawNoise[i]=0.;
61     fCorrNoise[i]=0.;
62     fSumTPPeak[i]=0.;
63     fTPPos[i]=0.;
64   }
65   ReadBaselines();
66 }
67
68 //______________________________________________________________________
69 void AliITSOnlineSDDTP::AddEvent(TH2F* hrawd){
70   // analyzes current event and sum its contribution to the various counters
71   for(Int_t ian=0;ian<fgkNAnodes;ian++){
72     Float_t auxmax=0.;
73     Int_t auxtb=0;
74     if(!fGoodAnode[ian]) continue;
75     for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
76       Float_t cnt=hrawd->GetBinContent(itb+1,ian+1);
77       if(cnt>auxmax){ 
78         auxmax=cnt;
79         auxtb=itb;
80       }
81     }
82     if(auxmax>fBaseline[ian]+fNSigmaNoise*fRawNoise[ian]){
83       fSumTPPeak[ian]+=auxmax-fBaseline[ian];
84       fTPPos[ian]+=auxtb;
85       fNEvents[ian]++;
86     }
87   }
88 }
89 //______________________________________________________________________
90 void AliITSOnlineSDDTP::ReadBaselines(){
91   // assume baselines and good anodes are taken from previous run
92   TString basfilnam;
93   basfilnam.Form("SDDbase_step2_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
94   FILE* basf=fopen(basfilnam.Data(),"r");
95   if(basf==0){
96     AliWarning(Form("Baseline file not present (ddl %d  carlos %d side %d, Set all baselines to 20",fDDL,fCarlos,fSide));
97     for(Int_t ian=0;ian<fgkNAnodes;ian++){ 
98       fBaseline[ian]=20.;
99       fEqBaseline[ian]=20;
100       fOffsetBaseline[ian]=0;
101       fGoodAnode[ian]=1;
102     }
103     return;
104   }
105   Int_t check = fscanf(basf,"%d\n",&fHighThreshold);
106   if(check<1)AliError("Error while reading file with baselines");
107   check = fscanf(basf,"%d\n",&fLowThreshold);
108   if(check<1)AliError("Error while reading file with baselines");
109   Int_t n,ok,eqbase,offbase;
110   Float_t base,rms,cmn,corrnoi;
111   for(Int_t ian=0;ian<fgkNAnodes;ian++){
112     check = fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
113     if(check<1)AliError("Error while reading file with baselines");
114     fBaseline[ian]=base;
115     fEqBaseline[ian]=eqbase;
116     fOffsetBaseline[ian]=offbase;
117     fGoodAnode[ian]=ok;
118     fRawNoise[ian]=rms;
119     fCMN[ian]=cmn;
120     fCorrNoise[ian]=corrnoi;
121   }
122   fclose(basf);
123 }
124
125 //______________________________________________________________________
126 Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
127   //
128   // Check if there is at least 1 good anode
129   //
130   for(Int_t ian=0;ian<fgkNAnodes;ian++){
131     if(fGoodAnode[ian]) return kTRUE;
132   }
133   return kFALSE;
134 }
135 //______________________________________________________________________
136 void AliITSOnlineSDDTP::ValidateAnodes(){
137   // tag good/bad channels
138   Float_t meang,rmsg;
139   StatGain(meang,rmsg);
140   Float_t lowlim=meang-fNSigmaGain*rmsg;
141   Float_t hilim=meang+fNSigmaGain*rmsg;
142
143   for(Int_t ian=0;ian<fgkNAnodes;ian++){
144     if(!fGoodAnode[ian]) continue;
145     if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
146   }
147 }
148
149
150 //______________________________________________________________________
151 void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t  &rms) const {
152   // compute average gain and rms
153   Float_t sum=0.,sumq=0.;
154   Int_t cnt=0;
155   for(Int_t ian=0;ian<fgkNAnodes;ian++){
156     if(!fGoodAnode[ian]) continue;
157     if(fNEvents[ian]==0) continue;
158     Float_t chgain=GetChannelGain(ian);
159     sum+=chgain;
160     sumq+=chgain*chgain;
161     cnt++;
162   }
163   if(cnt>0){ 
164     mean=sum/(Float_t)cnt;
165     Float_t variance=sumq/(Float_t)cnt-mean*mean;
166     if(variance>0.) rms=TMath::Sqrt(variance);
167     else rms = 0;
168   }else{ 
169     mean=0.;
170     rms=0.;
171   }
172   return;
173 }
174
175 //______________________________________________________________________
176 void AliITSOnlineSDDTP::WriteToASCII(){
177   // writes parameters of each channel into an ASCII file 
178   // to be sent to FXS by the DA and processed by the SHUTTLE
179
180   TString outfilnam;
181   outfilnam.Form("SDDbase_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
182   FILE* outf=fopen(outfilnam.Data(),"w");
183   fprintf(outf,"%d %d %d\n",fCarlos,fSide,IsModuleGood());
184   fprintf(outf,"%d\n",fHighThreshold);
185   fprintf(outf,"%d\n",fLowThreshold);
186   for(Int_t ian=0;ian<fgkNAnodes;ian++){
187     fprintf(outf,"%d %d %8.3f %d %d %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeEqualizedBaseline(ian),GetAnodeBaselineOffset(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian),GetChannelGain(ian));
188   }
189   fclose(outf);  
190 }
191 //______________________________________________________________________
192 TH1F* AliITSOnlineSDDTP::GetBaselineAnodeHisto() const {
193   // produce histogram with baseline vs. anode number
194   TString hisnam;  
195   hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
196   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
197   for(Int_t ian=0;ian<fgkNAnodes;ian++){
198     h->SetBinContent(ian+1,GetAnodeBaseline(ian));
199   }
200   return h;
201 }
202 //______________________________________________________________________
203 TH1F* AliITSOnlineSDDTP::GetRawNoiseAnodeHisto() const {
204   // produce histogram with raw noise vs. anode number
205   TString hisnam;  
206   hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
207   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
208   for(Int_t ian=0;ian<fgkNAnodes;ian++){
209     h->SetBinContent(ian+1,GetAnodeRawNoise(ian));
210   }
211   return h;
212 }
213 //______________________________________________________________________
214 TH1F* AliITSOnlineSDDTP::GetCorrNoiseAnodeHisto() const {
215   // produce histogram with corrected noise vs. anode number
216   TString hisnam;  
217   hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
218   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
219   for(Int_t ian=0;ian<fgkNAnodes;ian++){
220     h->SetBinContent(ian+1,GetAnodeCorrNoise(ian));
221   }
222   return h;
223 }
224 //______________________________________________________________________
225 TH1F* AliITSOnlineSDDTP::GetCMNCoefAnodeHisto() const {
226   // produce histogram with coefficients for common mode noise subtraction
227   TString hisnam;  
228   hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
229   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
230   for(Int_t ian=0;ian<fgkNAnodes;ian++){
231     h->SetBinContent(ian+1,GetAnodeCommonMode(ian));
232   }
233   return h;
234 }
235 //______________________________________________________________________
236 TH1F* AliITSOnlineSDDTP::GetStatusAnodeHisto() const {
237   // produce histogram with status bit of each anode
238   TString hisnam;  
239   hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
240   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
241   for(Int_t ian=0;ian<fgkNAnodes;ian++){
242     h->SetBinContent(ian+1,float(IsAnodeGood(ian)));
243   }
244   return h;
245 }
246 //______________________________________________________________________
247 TH1F* AliITSOnlineSDDTP::GetGainAnodeHisto() const {
248   // produce histogram with gain vs. anode number
249   TString hisnam;  
250   hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
251   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
252   for(Int_t ian=0;ian<fgkNAnodes;ian++){
253     h->SetBinContent(ian+1,GetChannelGain(ian));
254   }
255   return h;
256 }
257 //______________________________________________________________________
258 Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
259   // writes output into a root file
260   if(fil==0){ 
261     AliWarning("Invalid pointer to ROOT file");
262     return kFALSE;    
263   }
264   TString hisnam;  
265   fil->cd();
266   hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
267   TH1F hgood(hisnam.Data(),"",256,-0.5,255.5);
268   hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
269   TH1F hbase(hisnam.Data(),"",256,-0.5,255.5);
270   hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
271   TH1F hnois(hisnam.Data(),"",256,-0.5,255.5);
272   hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
273   TH1F hcmn(hisnam.Data(),"",256,-0.5,255.5);
274   hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
275   TH1F hcorn(hisnam.Data(),"",256,-0.5,255.5);
276   hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
277   TH1F hgain(hisnam.Data(),"",256,-0.5,255.5);
278   hisnam.Form("htptb%02dc%02ds%d",fDDL,fCarlos,fSide);
279   TH1F htptb(hisnam.Data(),"",256,-0.5,255.5);
280   for(Int_t ian=0;ian<fgkNAnodes;ian++){
281     hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
282     hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
283     hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
284     hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
285     hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
286     hgain.SetBinContent(ian+1,GetChannelGain(ian));
287     htptb.SetBinContent(ian+1,GetTimeBinTPPeak(ian));
288   }
289   hgood.Write();
290   hbase.Write();
291   hnois.Write();
292   hcmn.Write();
293   hcorn.Write();
294   hgain.Write();
295   htptb.Write();
296   return kTRUE;
297 }
298