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d3da6dc4 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2000, 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 | **************************************************************************/ | |
1b10372c | 15 | //. |
16 | //. | |
17 | //. | |
18 | //. | |
19 | //. | |
20 | #include <AliRun.h> | |
d3da6dc4 | 21 | #include <AliRunLoader.h> |
22 | #include "AliRunDigitizer.h" | |
23 | #include <AliLoader.h> | |
24 | #include <AliLog.h> | |
1b10372c | 25 | #include "AliHMPIDDigitizer.h" |
26 | #include "AliHMPIDDigit.h" | |
27 | #include "AliHMPID.h" | |
d3da6dc4 | 28 | |
1b10372c | 29 | #include <TRandom.h> |
d3da6dc4 | 30 | |
31 | ClassImp(AliHMPIDDigitizer) | |
32 | ||
94b1fbfa | 33 | Bool_t AliHMPIDDigitizer::fgDoNoise=kFALSE; |
d3da6dc4 | 34 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
35 | void AliHMPIDDigitizer::Exec(Option_t*) | |
36 | { | |
37 | // This methode is responsible for merging sdigits to a list of digits | |
38 | //Disintegration leeds to the fact that one hit affects several neighbouring pads, which means that the same pad might be affected by few hits. | |
39 | AliDebug(1,Form("Start with %i input(s) for event %i",fManager->GetNinputs(),fManager->GetOutputEventNr())); | |
40 | //First we read all sdigits from all inputs | |
41 | AliRunLoader *pInRunLoader=0;//in and out Run loaders | |
42 | AliLoader *pInRichLoader=0;//in and out HMPID loaders | |
43 | TClonesArray sdigs("AliHMPIDDigit");//tmp storage for sdigits sum up from all input files | |
44 | Int_t total=0; | |
45 | for(Int_t inFileN=0;inFileN<fManager->GetNinputs();inFileN++){//files loop | |
46 | pInRunLoader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inFileN)); //get run loader from current input | |
47 | pInRichLoader = pInRunLoader->GetLoader("HMPIDLoader"); if(pInRichLoader==0) continue; //no HMPID in this input, check the next input | |
48 | if (!pInRunLoader->GetAliRun()) pInRunLoader->LoadgAlice(); | |
49 | AliHMPID* pInRich=(AliHMPID*)pInRunLoader->GetAliRun()->GetDetector("HMPID"); //take HMPID from current input | |
50 | pInRichLoader->LoadSDigits(); pInRichLoader->TreeS()->GetEntry(0); //take list of HMPID sdigits from current input | |
51 | AliDebug(1,Form("input %i has %i sdigits",inFileN,pInRich->SdiLst()->GetEntries())); | |
52 | for(Int_t i=0;i<pInRich->SdiLst()->GetEntries();i++){ //collect sdigits from current input | |
53 | AliHMPIDDigit *pSDig=(AliHMPIDDigit*)pInRich->SdiLst()->At(i); | |
54 | pSDig->AddTidOffset(fManager->GetMask(inFileN)); //apply TID shift since all inputs count tracks independently starting from 0 | |
55 | new(sdigs[total++]) AliHMPIDDigit(*pSDig); | |
56 | } | |
57 | pInRichLoader->UnloadSDigits(); pInRich->SdiReset(); //close current input and reset | |
58 | }//files loop | |
59 | ||
60 | //PH if(sdigs.GetEntries()==0) return; //no sdigits collected, nothing to convert | |
61 | ||
62 | AliRunLoader *pOutRunLoader = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); //open output stream (only 1 possible) | |
63 | AliLoader *pOutRichLoader = pOutRunLoader->GetLoader("HMPIDLoader"); //take output HMPID loader | |
1b10372c | 64 | AliRun *pArun = pOutRunLoader->GetAliRun(); |
65 | AliHMPID *pOutRich = (AliHMPID*)pArun->GetDetector("HMPID"); //take output HMPID | |
d3da6dc4 | 66 | pOutRichLoader->MakeTree("D"); pOutRich->MakeBranch("D"); //create TreeD in output stream |
67 | ||
68 | Sdi2Dig(&sdigs,pOutRich->DigLst()); | |
69 | ||
70 | pOutRichLoader->TreeD()->Fill(); //fill the output tree with the list of digits | |
71 | pOutRichLoader->WriteDigits("OVERWRITE"); //serialize them to file | |
72 | ||
73 | sdigs.Clear(); //remove all tmp sdigits | |
74 | pOutRichLoader->UnloadDigits(); pOutRich->DigReset(); | |
75 | }//Exec() | |
76 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
77 | void AliHMPIDDigitizer::Sdi2Dig(TClonesArray *pSdiLst,TObjArray *pDigLst) | |
78 | { | |
79 | // Converts list of sdigits to 7 lists of digits, one per each chamber | |
80 | // Arguments: pSDigLst - list of all sdigits | |
81 | // pDigLst - list of 7 lists of digits | |
82 | // Returns: none | |
83 | ||
84 | TClonesArray *pLst[7]; Int_t iCnt[7]; | |
1b10372c | 85 | |
86 | TRandom *rnd = new TRandom(); | |
d3da6dc4 | 87 | for(Int_t i=0;i<7;i++){ |
88 | pLst[i]=(TClonesArray*)(*pDigLst)[i]; | |
3c6274c1 | 89 | iCnt[i]=0; if(pLst[i]->GetEntries()!=0) AliErrorClass("Some of digits lists is not empty"); //in principle those lists should be empty |
d3da6dc4 | 90 | } |
c5c19d6a | 91 | |
92 | // make noise array | |
93 | Float_t arrNoise[7][6][80][48]; | |
94b1fbfa | 94 | if(fgDoNoise) { |
c5c19d6a | 95 | for (Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) |
96 | for (Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++) | |
97 | for(Int_t iPx=AliHMPIDDigit::kMinPx;iPx<=AliHMPIDDigit::kMaxPx;iPx++) | |
1b10372c | 98 | for(Int_t iPy=AliHMPIDDigit::kMinPy;iPy<=AliHMPIDDigit::kMaxPy;iPy++) arrNoise[iCh][iPc][iPx][iPy] = rnd->Gaus(0,1); |
c5c19d6a | 99 | } |
d3da6dc4 | 100 | |
101 | pSdiLst->Sort(); | |
102 | ||
103 | Int_t iPad=-1,iCh=-1,iNdigPad=-1,aTids[3]={-1,-1,-1}; Float_t q=-1; | |
104 | for(Int_t i=0;i<pSdiLst->GetEntries();i++){ //sdigits loop (sorted) | |
105 | AliHMPIDDigit *pSdig=(AliHMPIDDigit*)pSdiLst->At(i); //take current sdigit | |
106 | if(pSdig->Pad()==iPad){ //if the same pad | |
107 | q+=pSdig->Q(); //sum up charge | |
108 | iNdigPad++; if(iNdigPad<=3) aTids[iNdigPad-1]=pSdig->GetTrack(0); //collect TID | |
109 | continue; | |
110 | } | |
111 | if(i!=0 && AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(iPad,(Int_t)q,aTids); //do not create digit for the very first sdigit | |
112 | iPad=pSdig->Pad(); iCh=AliHMPIDDigit::A2C(iPad); //new sdigit comes, reset collectors | |
113 | iNdigPad=1; | |
114 | aTids[0]=pSdig->GetTrack(0);aTids[1]=aTids[2]=-1; | |
c5c19d6a | 115 | q=pSdig->Q(); |
94b1fbfa | 116 | if(fgDoNoise) q+=arrNoise[iCh][pSdig->Pc()][pSdig->PadPcX()][pSdig->PadPcY()]; |
c5c19d6a | 117 | arrNoise[iCh][pSdig->Pc()][pSdig->PadPcX()][pSdig->PadPcY()]=0; |
d3da6dc4 | 118 | }//sdigits loop (sorted) |
119 | ||
3c6274c1 | 120 | if(AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(iPad,(Int_t)q,aTids); //add the last one, in case of empty sdigits list q=-1 |
c5c19d6a | 121 | // add noise pad above threshold with no signal merged...if any |
94b1fbfa | 122 | if(!fgDoNoise) return; |
c5c19d6a | 123 | aTids[0]=aTids[1]=aTids[2]=-1; |
124 | for (Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) | |
125 | for (Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++) | |
126 | for(Int_t iPx=AliHMPIDDigit::kMinPx;iPx<=AliHMPIDDigit::kMaxPx;iPx++) | |
127 | for(Int_t iPy=AliHMPIDDigit::kMinPy;iPy<=AliHMPIDDigit::kMaxPy;iPy++) { | |
128 | Float_t q = arrNoise[iCh][iPc][iPx][iPy]; | |
129 | if(AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(AliHMPIDDigit::Abs(iCh,iPc,iPx,iPy),(Int_t)q,aTids); | |
130 | } | |
131 | ||
d3da6dc4 | 132 | }//Sdi2Dig() |
133 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |