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fix minor bugs for the track style
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDPreprocessor.cxx
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1#include "AliHMPIDPreprocessor.h" //header no includes
2#include "AliHMPIDDigit.h" //ProcPed()
3#include "AliHMPIDRawStream.h" //ProcPed()
4#include <Riostream.h> //ProcPed()
5#include <AliLog.h> //all
6#include <AliCDBMetaData.h> //ProcPed(), ProcDcs()
7#include <AliDCSValue.h> //ProcDcs()
8#include <TObjString.h> //ProcDcs(), ProcPed()
9#include <TTimeStamp.h> //Initialize()
10#include <TF1.h> //Process()
11#include <TF2.h> //Process()
12#include <TString.h>
13#include <TGraph.h> //Process()
14#include <TMatrix.h> //ProcPed()
15#include <TList.h> //ProcPed()
16#include <TSystem.h> //ProcPed()
17//.
18// HMPID Preprocessor base class
19//.
20//.
21//.
22ClassImp(AliHMPIDPreprocessor)
23
24//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
25void AliHMPIDPreprocessor::Initialize(Int_t run, UInt_t startTime,UInt_t endTime)
26{
27// Initialize the parameter coming from AliPreprocessor
28// run -> run number
29// startTime -> starting time
30// endTime -> ending time
31 AliPreprocessor::Initialize(run, startTime, endTime);
32
33 AliInfo(Form("HMPID started for Run %d \n\tStartTime %s \n\t EndTime %s", run,TTimeStamp(startTime).AsString(),TTimeStamp(endTime).AsString()));
34
35}
36//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
37UInt_t AliHMPIDPreprocessor::Process(TMap* pMap)
38{
39// Process all information from DCS and DAQ
40// Arguments: pMap- map of DCS aliases
41// Returns: 0 on success or 1 on error (opposite to Store!)
42
43 TString runType = GetRunType();
44 Log(Form(" AliHMPIDPreprocessor: RunType is %s",runType.Data()));
45
46// start to check event type and procedures
47
48 Log("HMPID - Process in Preprocessor started");
49 if(! pMap) {
50 Log("HMPID - ERROR - Not map of DCS aliases for HMPID - "); return kTRUE; // error in the DCS mapped aliases
51 }
52 if (runType == "CALIBRATION"){
53 if (!ProcPed()){
54 Log("HMPID - ERROR - Pedestal processing failed!!"); return kTRUE; // error in pedestal processing
55 } else {
56 Log("HMPID - Pedestal processing successful!!"); return kFALSE; // ok for pedestals
57 }
58 } else if ( runType=="STANDALONE" || runType=="PHYSICS"){
59 if (!ProcDcs(pMap)){
60 Log("HMPID - ERROR - DCS processing failed!!"); return kTRUE; // error in DCS processing
61 } else {
62 Log("HMPID - DCS processing successful!!"); return kFALSE; // ok for DCS
63 }
64 } else {
65 Log("HMPID - Nothing to do with preprocessor for HMPID, bye!"); return kFALSE; // ok - nothing done
66 }
67}//Process()
68//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
69Bool_t AliHMPIDPreprocessor::ProcDcs(TMap* pMap)
70{
71// Process: 1 (old). inlet and outlet C6F14 temperature, stores TObjArray of 21 TF1, where TF1 is Nmean=f(t), one per radiator
72// Process: 1. inlet and outlet C6F14 temperature, stores TObjArray of 42 TF1, where TF1 are Tin and Tout per radiator
73// + one function for the mean energy photon (in total 43).
74// 2. CH4 pressure and HV stores TObjArray of 7 TF1 where TF1 is thr=f(t), one per chamber
75// Arguments: pDcsMap - map of structure "alias name" - TObjArray of AliDCSValue
76// Assume that: HV is the same during the run for a given chamber, different chambers might have different HV
77// P=f(t), different for different chambers
78// Returns: kTRUE on success
79
80 Bool_t stDcsStore=kFALSE;
81
82// Qthr=f(HV,P) [V,mBar] logA0=k*HV+b is taken from p. 64 TDR plot 2.59 for PC32
83// A0=f(P) is taken from DiMauro mail
84// Qthr is estimated as 3*A0
85
86 TF2 thr("RthrCH4" ,"3*10^(3.01e-3*x-4.72)+170745848*exp(-y*0.0162012)" ,2000,3000,900,1200);
87
88 TObjArray arNmean(43); arNmean.SetOwner(kTRUE); //42 Tin and Tout one per radiator + 1 for ePhotMean
89 TObjArray arQthre(42); arQthre.SetOwner(kTRUE); //42 Qthre=f(time) one per sector
90
91 AliDCSValue *pVal; Int_t cnt=0;
92
93 Double_t xP,yP;
94
95 TF1 **pTin = new TF1*[21];
96 TF1 **pTout = new TF1*[21];
97
98// evaluate Environment Pressure
99
100 TObjArray *pPenv=(TObjArray*)pMap->GetValue("HMP_DET/HMP_ENV/HMP_ENV_PENV.actual.value");
101 if(!pPenv) {
102 AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");
103 return kFALSE;
104 } else {
105 Log(Form(" Environment Pressure data ---> %3i entries",pPenv->GetEntries()));
106 if(pPenv->GetEntries()) {
107 TIter nextPenv(pPenv);
108 TGraph *pGrPenv=new TGraph; cnt=0;
109 while((pVal=(AliDCSValue*)nextPenv())) pGrPenv->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //P env
110 if( cnt==1) {
111 pGrPenv->GetPoint(0,xP,yP);
112 new TF1("Penv",Form("%f",yP),fStartTime,fEndTime);
113 } else {
114 pGrPenv->Fit(new TF1("Penv","1000+x*[0]",fStartTime,fEndTime),"Q");
115 }
116 delete pGrPenv;
117 } else {AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");return kFALSE;}
118 }
119// evaluate Pressure
120
121 for(Int_t iCh=0;iCh<7;iCh++){
122 TObjArray *pP =(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_GAS/HMP_MP%i_GAS_PMWPC.actual.value",iCh,iCh,iCh));
123 if(!pP) {
124 AliWarning(Form(" No Data Points from HMP_MP%1i_GAS_PMWPC.actual.value!",iCh));
125 return kFALSE;
126 } else {
127 Log(Form(" Pressure for module %i data ---> %3i entries",iCh,pP->GetEntries()));
128 if(pP->GetEntries()) {
129 TIter nextP(pP);
130 TGraph *pGrP=new TGraph; cnt=0;
131 while((pVal=(AliDCSValue*)nextP())) pGrP->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //P
132 if( cnt==1) {
133 pGrP->GetPoint(0,xP,yP);
134 new TF1(Form("P%i",iCh),Form("%f",yP),fStartTime,fEndTime);
135 } else {
136 pGrP->Fit(new TF1(Form("P%i",iCh),"[0] + x*[1]",fStartTime,fEndTime),"Q");
137 }
138 delete pGrP;
139 } else {AliWarning(" No Data Points from HMP_MP0-6_GAS_PMWPC.actual.value!");return kFALSE;}
140 }
141
142// evaluate High Voltage
143
144 for(Int_t iSec=0;iSec<6;iSec++){
145 TObjArray *pHV=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_PW/HMP_MP%i_SEC%i/HMP_MP%i_SEC%i_HV.actual.vMon",iCh,iCh,iCh,iSec,iCh,iSec));
146 if(!pHV) {
147 AliWarning(Form(" No Data Points from HMP_MP%1i_SEC%1i_HV.actual.vMon!",iCh,iSec));
148 return kFALSE;
149 } else {
150 Log(Form(" HV for module %i and secto %i data ---> %3i entries",iCh,iSec,pHV->GetEntries()));
151 if(pHV->GetEntries()) {
152 TIter nextHV(pHV);
153 TGraph *pGrHV=new TGraph; cnt=0;
154 while((pVal=(AliDCSValue*)nextHV())) pGrHV->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //HV
155 if( cnt==1) {
156 pGrHV->GetPoint(0,xP,yP);
157 new TF1(Form("HV%i_%i",iCh,iSec),Form("%f",yP),fStartTime,fEndTime);
158 } else {
159 pGrHV->Fit(new TF1(Form("HV%i_%i",iCh,iSec),"[0]+x*[1]",fStartTime,fEndTime),"Q");
160 }
161 delete pGrHV;
162 } else {AliWarning(" No Data Points from HMP_MP0-6_SEC0-5_HV.actual.vMon!");return kFALSE;}
163 }
164
165// evaluate Qthre
166
167 arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),
168 Form("3*10^(3.01e-3*HV%i_%i - 4.72)+170745848*exp(-(P%i+Penv)*0.0162012)",iCh,iSec,iCh),fStartTime,fEndTime),6*iCh+iSec);
169 }
170// evaluate Temperatures: in and out of the radiators
171 // T in
172 for(Int_t iRad=0;iRad<3;iRad++){
173
174 pTin[3*iCh+iRad] = new TF1(Form("Tin%i%i" ,iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
175 pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
176
177 TObjArray *pT1=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iIn_Temp",iCh,iCh,iRad));
178 if(!pT1) {
179 AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iIn_Temp!",iCh,iRad));
180 return kFALSE;
181 } else {
182 Log(Form(" Temperatures for module %i inside data ---> %3i entries",iCh,pT1->GetEntries()));
183 if(pT1->GetEntries()) {
184 TIter nextT1(pT1);//Tin
185 TGraph *pGrT1=new TGraph; cnt=0; while((pVal=(AliDCSValue*)nextT1())) pGrT1->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T inlet
186 if(cnt==1) {
187 pGrT1->GetPoint(0,xP,yP);
188 pTin[3*iCh+iRad]->SetParameter(0,yP);
189 pTin[3*iCh+iRad]->SetParameter(1,0);
190 } else {
191 pGrT1->Fit(pTin[3*iCh+iRad],"Q");
192 }
193 delete pGrT1;
194 } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2In_Temp!");return kFALSE;}
195 }
196 // T out
197 TObjArray *pT2=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iOut_Temp",iCh,iCh,iRad));
198 if(!pT2) {
199 AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iOut_Temp!",iCh,iRad));
200 return kFALSE;
201 } else {
202 Log(Form(" Temperatures for module %i outside data ---> %3i entries",iCh,pT2->GetEntries()));
203 if(pT2->GetEntries()) {
204 TIter nextT2(pT2);//Tout
205 TGraph *pGrT2=new TGraph; cnt=0; while((pVal=(AliDCSValue*)nextT2())) pGrT2->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T outlet
206 if(cnt==1) {
207 pGrT2->GetPoint(0,xP,yP);
208 pTout[3*iCh+iRad]->SetParameter(0,yP);
209 pTout[3*iCh+iRad]->SetParameter(1,0);
210 } else {
211 pGrT2->Fit(pTout[3*iCh+iRad],"Q");
212 }
213 delete pGrT2;
214 } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2Out_Temp!");return kFALSE;}
215 }
216
217// evaluate Mean Refractive Index
218
219 arNmean.AddAt(pTin[3*iCh+iRad] ,6*iCh+2*iRad ); //Tin =f(t)
220 arNmean.AddAt(pTout[3*iCh+iRad],6*iCh+2*iRad+1); //Tout=f(t)
221
222 }//radiators loop
223 }//chambers loop
224
225 Double_t eMean = ProcTrans(pMap);
226 arNmean.AddAt(new TF1("HMP_PhotEmean",Form("%f",eMean),fStartTime,fEndTime),42); //Photon energy mean
227
228 AliCDBMetaData metaData;
229 metaData.SetBeamPeriod(0);
230 metaData.SetResponsible("AliHMPIDPreprocessor");
231 metaData.SetComment("HMPID preprocessor fills TObjArrays.");
232
233 stDcsStore = Store("Calib","Qthre",&arQthre,&metaData,0,kTRUE) && // from DCS 0,kTRUE generates the file from Run 0 to Run 99999999
234 Store("Calib","Nmean",&arNmean,&metaData,0,kTRUE); // from DCS
235// stDcsStore = Store("Calib","Qthre",&arQthre,&metaData) && // from DCS
236// Store("Calib","Nmean",&arNmean,&metaData); // from DCS
237 if(!stDcsStore) {
238 Log("HMPID - failure to store DCS data results in OCDB");
239 }
240
241// arNmean.Delete();
242// arQthre.Delete();
243
244// for(Int_t i=0;i<21;i++) delete pTin[i]; delete []pTin;
245// for(Int_t i=0;i<21;i++) delete pTout[i]; delete []pTout;
246
247 return stDcsStore;
248}//Process()
249//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
250Bool_t AliHMPIDPreprocessor::ProcPed()
251{
252// Process pedestal files and create 7 M(padx,pady)=sigma, one for each chamber
253// Arguments:
254// Returns: kTRUE on success
255
256 Bool_t stPedStore=kFALSE;
257 AliHMPIDDigit dig;
258 AliHMPIDRawStream rs;
259 Int_t nSigCut,r,d,a,hard; Float_t mean,sigma;
260 Int_t runNumber,ldcId,timeStamp,nEv,nDdlEv,nBadEv; Char_t tName[10];
261 Float_t nBadEvPer;
262
263 TObjArray aDaqSig(7); aDaqSig.SetOwner(kTRUE); for(Int_t i=0;i<7;i++) aDaqSig.AddAt(new TMatrix(160,144),i); //TObjArray of 7 TMatrixF, m(padx,pady)=sigma
264
265 for(Int_t iddl=0;iddl<AliHMPIDRawStream::kNDDL;iddl++) //retrieve the files from LDCs independently the DDL<->LDC connection
266 {
267 TList *pLdc=GetFileSources(kDAQ,Form("HmpidPedDdl%02i.txt",iddl)); //get list of LDC names containing id "pedestals"
268 if(!pLdc) {Log(Form("ERROR: Retrieval of sources for pedestals: HmpidPedDdl%02i.txt failed!",iddl));continue;}
269
270 Log(Form("HMPID - Pedestal files to be read --> %i LDCs for HMPID",pLdc->GetEntries()));
271 for(Int_t i=0;i<pLdc->GetEntries();i++) {//lists of LDCs -- but in general we have 1 LDC for 1 ped file
272 TString fileName = GetFile(kDAQ,Form("HmpidPedDdl%02i.txt",iddl),((TObjString*)pLdc->At(i))->GetName());
273 if(fileName.Length()==0) {Log(Form("ERROR retrieving pedestal file: HmpidPedDdl%02i.txt!",iddl));continue;}
274
275 //reading pedestal file
276 ifstream infile(fileName.Data());
277
278 if(!infile.is_open()) {Log("No pedestal file found for HMPID,bye!");continue;}
279 TMatrix *pM=(TMatrixF*)aDaqSig.At(iddl/2);
280
281 infile>>tName>>runNumber;Printf("Xcheck: reading run %i",runNumber);
282 infile>>tName>>ldcId;
283 infile>>tName>>timeStamp;
284 infile>>tName>>nEv;
285 infile>>tName>>nDdlEv;
286 infile>>tName>>nBadEv;
287 infile>>tName>>nBadEvPer;
288 infile>>tName>>nSigCut; pM->SetUniqueID(nSigCut); //n. of pedestal distribution sigmas used to create zero suppresion table
289 while(!infile.eof()){
290 infile>>dec>>r>>d>>a>>mean>>sigma>>hex>>hard;
291 if(rs.GetPad(iddl,r,d,a)>=0){ //the GetPad returns meaningful abs pad number
292 dig.SetPad(rs.GetPad(iddl,r,d,a));
293 dig.SetQ((Int_t)mean);
294 (*pM)(dig.PadChX(),dig.PadChY()) = sigma;
295 }
296 }
297 infile.close();
298 Log(Form("Pedestal file for DDL %i read successfully",iddl));
299
300 }//LDCs reading entries
301
302 }//DDL
303
304 AliCDBMetaData metaData;
305 metaData.SetBeamPeriod(0);
306 metaData.SetResponsible("AliHMPIDPreprocessor");
307 metaData.SetComment("HMPID processor fills TObjArrays.");
308 stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData,0,kTRUE);
309// stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData);
310 if(!stPedStore) {
311 Log("HMPID - failure to store PEDESTAL data results in OCDB");
312 }
313 return stPedStore;
314
315}//ProcPed()
316//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
317Double_t AliHMPIDPreprocessor::ProcTrans(TMap* pMap)
318{
319 // Process transparency monitoring data and calculates Emean
320
321
322 Double_t sEnergProb=0, sProb=0;
323
324 Double_t tRefCR5 = 19. ; // mean temperature of CR5 where the system is in place
325
326 Double_t eMean = 0;
327
328 AliDCSValue *pVal;
329
330 for(Int_t i=0; i<30; i++){
331
332 // evaluate wavelenght
333 TObjArray *pWaveLenght = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght",i));
334 if(!pWaveLenght){
335 AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght -----> Default E mean set to 6.75!!!!!",i));
336 return 6.75; // to be fixed
337 }
338
339 TIter NextWl(pWaveLenght); pVal=(AliDCSValue*)NextWl();
340 Double_t lambda = pVal->GetFloat();
341
342 Double_t photEn = 1239.842609/lambda; // 1239.842609 from nm to eV
343
344 if(photEn<AliHMPIDParam::EPhotMin() || photEn>AliHMPIDParam::EPhotMax()) continue;
345
346 // evaluate phototube current for argon reference
347 TObjArray *pArgonRef = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonReference",i));
348 if(!pArgonRef){
349 AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonReference -----> Default E mean set to 6.75!!!!!",i));
350 return 6.75; // to be fixed
351 }
352
353 TIter NextArRef(pArgonRef); pVal=(AliDCSValue*)NextArRef();
354 Double_t aRefArgon = pVal->GetFloat();
355
356 // evaluate phototube current for argon cell
357 TObjArray *pArgonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonCell",i));
358 if(!pArgonCell){
359 AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonCell -----> Default E mean set to 6.75!!!!!",i));
360 return 6.75; // to be fixed
361 }
362
363 TIter NextArCell(pArgonCell); pVal=(AliDCSValue*)NextArCell();
364 Double_t aCellArgon = pVal->GetFloat();
365
366 //evaluate phototube current for freon reference
367 TObjArray *pFreonRef = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Reference",i));
368 if(!pFreonRef){
369 AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Reference -----> Default E mean set to 6.75!!!!!",i));
370 return 6.75; // to be fixed
371 }
372
373
374 TIter NextFrRef(pFreonRef); pVal=(AliDCSValue*)NextFrRef();
375 Double_t aRefFreon = pVal->GetFloat();
376
377 //evaluate phototube current for freon cell
378 TObjArray *pFreonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Cell",i));
379 TIter NextFrCell(pFreonCell); pVal=(AliDCSValue*)NextFrCell();
380 Double_t aCellFreon = pVal->GetFloat();
381
382 //evaluate correction factor to calculate trasparency (Ref. NIMA 486 (2002) 590-609)
383
384 Double_t aN1 = AliHMPIDParam::NIdxRad(photEn,tRefCR5);
385 Double_t aN2 = AliHMPIDParam::NMgF2Idx(photEn);
386 Double_t aN3 = 1; // Argon Idx
387
388 Double_t aR1 = ((aN1 - aN2)*(aN1 - aN2))/((aN1 + aN2)*(aN1 + aN2));
389 Double_t aR2 = ((aN2 - aN3)*(aN2 - aN3))/((aN2 + aN3)*(aN2 + aN3));
390 Double_t aT1 = (1 - aR1);
391 Double_t aT2 = (1 - aR2);
392 Double_t aCorrFactor = (aT1*aT1)/(aT2*aT2);
393
394 // evaluate 15 mm of thickness C6F14 Trans
395 Double_t aTransRad;
396
397 if(aRefFreon*aRefArgon>0) {
398 aTransRad = TMath::Power((aCellFreon/aRefFreon)/(aCellArgon/aRefArgon)*aCorrFactor,1.5);
399 } else {
400 return DefaultEMean();
401 }
402
403 // evaluate 0.5 mm of thickness SiO2 Trans
404 Double_t aTransSiO2 = TMath::Exp(-0.5/AliHMPIDParam::LAbsWin(photEn));
405
406 // evaluate 80 cm of thickness Gap (low density CH4) transparency
407 Double_t aTransGap = TMath::Exp(-80./AliHMPIDParam::LAbsGap(photEn));
408
409 // evaluate CsI quantum efficiency
410 Double_t aCsIQE = AliHMPIDParam::QEffCSI(photEn);
411
412 // evaluate total convolution of all material optical properties
413 Double_t aTotConvolution = aTransRad*aTransSiO2*aTransGap*aCsIQE;
414
415 sEnergProb+=aTotConvolution*photEn;
416
417 sProb+=aTotConvolution;
418}
419
420 if(sProb>0) {
421 eMean = sEnergProb/sProb;
422 } else {
423 return DefaultEMean();
424 }
425
426 Log(Form(" Mean energy photon calculated ---> %f eV ",eMean));
427
428 if(eMean<AliHMPIDParam::EPhotMin() || eMean>AliHMPIDParam::EPhotMax()) return DefaultEMean();
429
430 return eMean;
431
432}
433//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
434Double_t AliHMPIDPreprocessor::DefaultEMean()
435{
436 Double_t eMean = 6.675; //just set a refractive index for C6F14 at ephot=6.675 eV @ T=25 C
437 AliWarning(Form("Mean energy for photons out of range [%f,%f] in Preprocessor. Default value Eph=%f eV taken.",AliHMPIDParam::EPhotMin(),
438 AliHMPIDParam::EPhotMax(),
439 eMean));
440 return eMean;
441}