Fixes for Coverity warnings (M. van Leeuwen)
[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDTP.cxx
CommitLineData
348f80b7 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 **************************************************************************/
3083967f 15#include <TFile.h>
348f80b7 16#include "AliITSOnlineSDDTP.h"
7f347565 17#include "AliLog.h"
348f80b7 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
30ClassImp(AliITSOnlineSDDTP)
31
32//______________________________________________________________________
e7610d19 33AliITSOnlineSDDTP::AliITSOnlineSDDTP():AliITSOnlineSDD(),fDAC(0.),fLowThreshold(0),fHighThreshold(0),fNSigmaGain(0.),fNSigmaNoise(0.)
348f80b7 34{
35 // default constructor
36 Reset();
37 SetNSigmaGain();
750296dd 38 SetNSigmaNoise();
348f80b7 39}
40//______________________________________________________________________
e7610d19 41AliITSOnlineSDDTP::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.)
348f80b7 42{
43 // standard constructor
44 Reset();
45 SetNSigmaGain();
750296dd 46 SetNSigmaNoise();
348f80b7 47}
48//______________________________________________________________________
49AliITSOnlineSDDTP::~AliITSOnlineSDDTP(){
50 // Destructor
51}
52//______________________________________________________________________
53void AliITSOnlineSDDTP::Reset(){
776c19a3 54 // reset all counters
348f80b7 55 for(Int_t i=0;i<fgkNAnodes;i++){
750296dd 56 fNEvents[i]=0;
348f80b7 57 fGoodAnode[i]=1;
58 fBaseline[i]=0.;
3083967f 59 fCMN[i]=0.;
60 fRawNoise[i]=0.;
61 fCorrNoise[i]=0.;
348f80b7 62 fSumTPPeak[i]=0.;
63 fTPPos[i]=0.;
64 }
65 ReadBaselines();
66}
67
68//______________________________________________________________________
69void AliITSOnlineSDDTP::AddEvent(TH2F* hrawd){
776c19a3 70 // analyzes current event and sum its contribution to the various counters
348f80b7 71 for(Int_t ian=0;ian<fgkNAnodes;ian++){
72 Float_t auxmax=0.;
73 Int_t auxtb=0;
74 if(!fGoodAnode[ian]) continue;
750296dd 75 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
348f80b7 76 Float_t cnt=hrawd->GetBinContent(itb+1,ian+1);
77 if(cnt>auxmax){
78 auxmax=cnt;
79 auxtb=itb;
80 }
81 }
750296dd 82 if(auxmax>fBaseline[ian]+fNSigmaNoise*fRawNoise[ian]){
83 fSumTPPeak[ian]+=auxmax-fBaseline[ian];
84 fTPPos[ian]+=auxtb;
85 fNEvents[ian]++;
86 }
348f80b7 87 }
88}
89//______________________________________________________________________
90void AliITSOnlineSDDTP::ReadBaselines(){
91 // assume baselines and good anodes are taken from previous run
2c4e6a6a 92 TString basfilnam;
93 basfilnam.Form("SDDbase_step2_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
94 FILE* basf=fopen(basfilnam.Data(),"r");
348f80b7 95 if(basf==0){
2f0c3b74 96 AliWarning(Form("Baseline file not present (ddl %d carlos %d side %d, Set all baselines to 20",fDDL,fCarlos,fSide));
348f80b7 97 for(Int_t ian=0;ian<fgkNAnodes;ian++){
2f0c3b74 98 fBaseline[ian]=20.;
99 fEqBaseline[ian]=20;
d8303ac8 100 fOffsetBaseline[ian]=0;
348f80b7 101 fGoodAnode[ian]=1;
102 }
103 return;
104 }
e7610d19 105 fscanf(basf,"%d\n",&fHighThreshold);
106 fscanf(basf,"%d\n",&fLowThreshold);
d8303ac8 107 Int_t n,ok,eqbase,offbase;
348f80b7 108 Float_t base,rms,cmn,corrnoi;
109 for(Int_t ian=0;ian<fgkNAnodes;ian++){
d8303ac8 110 fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
348f80b7 111 fBaseline[ian]=base;
d8303ac8 112 fEqBaseline[ian]=eqbase;
113 fOffsetBaseline[ian]=offbase;
348f80b7 114 fGoodAnode[ian]=ok;
3083967f 115 fRawNoise[ian]=rms;
116 fCMN[ian]=cmn;
117 fCorrNoise[ian]=corrnoi;
348f80b7 118 }
119 fclose(basf);
120}
121
122//______________________________________________________________________
3083967f 123Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
124 //
125 // Check if there is at least 1 good anode
126 //
127 for(Int_t ian=0;ian<fgkNAnodes;ian++){
128 if(fGoodAnode[ian]) return kTRUE;
129 }
130 return kFALSE;
131}
132//______________________________________________________________________
348f80b7 133void AliITSOnlineSDDTP::ValidateAnodes(){
776c19a3 134 // tag good/bad channels
348f80b7 135 Float_t meang,rmsg;
136 StatGain(meang,rmsg);
348f80b7 137 Float_t lowlim=meang-fNSigmaGain*rmsg;
138 Float_t hilim=meang+fNSigmaGain*rmsg;
139
140 for(Int_t ian=0;ian<fgkNAnodes;ian++){
141 if(!fGoodAnode[ian]) continue;
142 if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
143 }
144}
145
146
147//______________________________________________________________________
776c19a3 148void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t &rms) const {
149 // compute average gain and rms
348f80b7 150 Float_t sum=0.,sumq=0.;
151 Int_t cnt=0;
152 for(Int_t ian=0;ian<fgkNAnodes;ian++){
153 if(!fGoodAnode[ian]) continue;
750296dd 154 if(fNEvents[ian]==0) continue;
a8cd2ab2 155 Float_t chgain=GetChannelGain(ian);
156 sum+=chgain;
157 sumq+=chgain*chgain;
348f80b7 158 cnt++;
159 }
160 if(cnt>0){
161 mean=sum/(Float_t)cnt;
9b8481e1 162 Float_t variance=sumq/(Float_t)cnt-mean*mean;
163 if(variance>0.) rms=TMath::Sqrt(variance);
164 else rms = 0;
348f80b7 165 }else{
166 mean=0.;
167 rms=0.;
168 }
169 return;
170}
171
172//______________________________________________________________________
e44f571c 173void AliITSOnlineSDDTP::WriteToASCII(){
776c19a3 174 // writes parameters of each channel into an ASCII file
175 // to be sent to FXS by the DA and processed by the SHUTTLE
176
2c4e6a6a 177 TString outfilnam;
178 outfilnam.Form("SDDbase_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
179 FILE* outf=fopen(outfilnam.Data(),"w");
979b5a5f 180 fprintf(outf,"%d %d %d\n",fCarlos,fSide,IsModuleGood());
e7610d19 181 fprintf(outf,"%d\n",fHighThreshold);
182 fprintf(outf,"%d\n",fLowThreshold);
348f80b7 183 for(Int_t ian=0;ian<fgkNAnodes;ian++){
d8303ac8 184 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));
348f80b7 185 }
186 fclose(outf);
187}
3083967f 188//______________________________________________________________________
e5b2f7f2 189TH1F* AliITSOnlineSDDTP::GetBaselineAnodeHisto() const {
776c19a3 190 // produce histogram with baseline vs. anode number
2c4e6a6a 191 TString hisnam;
192 hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
193 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 194 for(Int_t ian=0;ian<fgkNAnodes;ian++){
195 h->SetBinContent(ian+1,GetAnodeBaseline(ian));
196 }
197 return h;
198}
199//______________________________________________________________________
200TH1F* AliITSOnlineSDDTP::GetRawNoiseAnodeHisto() const {
776c19a3 201 // produce histogram with raw noise vs. anode number
2c4e6a6a 202 TString hisnam;
203 hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
204 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 205 for(Int_t ian=0;ian<fgkNAnodes;ian++){
206 h->SetBinContent(ian+1,GetAnodeRawNoise(ian));
207 }
208 return h;
209}
210//______________________________________________________________________
211TH1F* AliITSOnlineSDDTP::GetCorrNoiseAnodeHisto() const {
776c19a3 212 // produce histogram with corrected noise vs. anode number
2c4e6a6a 213 TString hisnam;
214 hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
215 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 216 for(Int_t ian=0;ian<fgkNAnodes;ian++){
217 h->SetBinContent(ian+1,GetAnodeCorrNoise(ian));
218 }
219 return h;
220}
221//______________________________________________________________________
222TH1F* AliITSOnlineSDDTP::GetCMNCoefAnodeHisto() const {
776c19a3 223 // produce histogram with coefficients for common mode noise subtraction
2c4e6a6a 224 TString hisnam;
225 hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
226 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 227 for(Int_t ian=0;ian<fgkNAnodes;ian++){
228 h->SetBinContent(ian+1,GetAnodeCommonMode(ian));
229 }
230 return h;
231}
232//______________________________________________________________________
233TH1F* AliITSOnlineSDDTP::GetStatusAnodeHisto() const {
776c19a3 234 // produce histogram with status bit of each anode
2c4e6a6a 235 TString hisnam;
236 hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
237 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 238 for(Int_t ian=0;ian<fgkNAnodes;ian++){
239 h->SetBinContent(ian+1,float(IsAnodeGood(ian)));
240 }
241 return h;
242}
243//______________________________________________________________________
244TH1F* AliITSOnlineSDDTP::GetGainAnodeHisto() const {
776c19a3 245 // produce histogram with gain vs. anode number
2c4e6a6a 246 TString hisnam;
247 hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
248 TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
e5b2f7f2 249 for(Int_t ian=0;ian<fgkNAnodes;ian++){
250 h->SetBinContent(ian+1,GetChannelGain(ian));
251 }
252 return h;
253}
254//______________________________________________________________________
3083967f 255Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
776c19a3 256 // writes output into a root file
3083967f 257 if(fil==0){
258 AliWarning("Invalid pointer to ROOT file");
259 return kFALSE;
260 }
2c4e6a6a 261 TString hisnam;
3083967f 262 fil->cd();
2c4e6a6a 263 hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
264 TH1F hgood(hisnam.Data(),"",256,-0.5,255.5);
265 hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
266 TH1F hbase(hisnam.Data(),"",256,-0.5,255.5);
267 hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
268 TH1F hnois(hisnam.Data(),"",256,-0.5,255.5);
269 hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
270 TH1F hcmn(hisnam.Data(),"",256,-0.5,255.5);
271 hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
272 TH1F hcorn(hisnam.Data(),"",256,-0.5,255.5);
273 hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
274 TH1F hgain(hisnam.Data(),"",256,-0.5,255.5);
275 hisnam.Form("htptb%02dc%02ds%d",fDDL,fCarlos,fSide);
276 TH1F htptb(hisnam.Data(),"",256,-0.5,255.5);
3083967f 277 for(Int_t ian=0;ian<fgkNAnodes;ian++){
278 hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
279 hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
280 hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
281 hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
282 hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
283 hgain.SetBinContent(ian+1,GetChannelGain(ian));
a7996467 284 htptb.SetBinContent(ian+1,GetTimeBinTPPeak(ian));
3083967f 285 }
286 hgood.Write();
287 hbase.Write();
288 hnois.Write();
289 hcmn.Write();
290 hcorn.Write();
291 hgain.Write();
a7996467 292 htptb.Write();
3083967f 293 return kTRUE;
294}
348f80b7 295