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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 | **************************************************************************/ | |
15 | ||
16 | #include "AliHMPIDDigitizer.h" | |
17 | #include "AliHMPID.h" | |
d3da6dc4 | 18 | #include <AliRun.h> |
19 | #include <AliRunLoader.h> | |
20 | #include "AliRunDigitizer.h" | |
21 | #include <AliLoader.h> | |
22 | #include <AliLog.h> | |
23 | ||
24 | ||
25 | ClassImp(AliHMPIDDigitizer) | |
26 | ||
27311693 | 27 | Bool_t AliHMPIDDigitizer::fDoNoise=kFALSE; |
d3da6dc4 | 28 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
29 | void AliHMPIDDigitizer::Exec(Option_t*) | |
30 | { | |
31 | // This methode is responsible for merging sdigits to a list of digits | |
32 | //Disintegration leeds to the fact that one hit affects several neighbouring pads, which means that the same pad might be affected by few hits. | |
33 | AliDebug(1,Form("Start with %i input(s) for event %i",fManager->GetNinputs(),fManager->GetOutputEventNr())); | |
34 | //First we read all sdigits from all inputs | |
35 | AliRunLoader *pInRunLoader=0;//in and out Run loaders | |
36 | AliLoader *pInRichLoader=0;//in and out HMPID loaders | |
37 | TClonesArray sdigs("AliHMPIDDigit");//tmp storage for sdigits sum up from all input files | |
38 | Int_t total=0; | |
39 | for(Int_t inFileN=0;inFileN<fManager->GetNinputs();inFileN++){//files loop | |
40 | pInRunLoader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inFileN)); //get run loader from current input | |
41 | pInRichLoader = pInRunLoader->GetLoader("HMPIDLoader"); if(pInRichLoader==0) continue; //no HMPID in this input, check the next input | |
42 | if (!pInRunLoader->GetAliRun()) pInRunLoader->LoadgAlice(); | |
43 | AliHMPID* pInRich=(AliHMPID*)pInRunLoader->GetAliRun()->GetDetector("HMPID"); //take HMPID from current input | |
44 | pInRichLoader->LoadSDigits(); pInRichLoader->TreeS()->GetEntry(0); //take list of HMPID sdigits from current input | |
45 | AliDebug(1,Form("input %i has %i sdigits",inFileN,pInRich->SdiLst()->GetEntries())); | |
46 | for(Int_t i=0;i<pInRich->SdiLst()->GetEntries();i++){ //collect sdigits from current input | |
47 | AliHMPIDDigit *pSDig=(AliHMPIDDigit*)pInRich->SdiLst()->At(i); | |
48 | pSDig->AddTidOffset(fManager->GetMask(inFileN)); //apply TID shift since all inputs count tracks independently starting from 0 | |
49 | new(sdigs[total++]) AliHMPIDDigit(*pSDig); | |
50 | } | |
51 | pInRichLoader->UnloadSDigits(); pInRich->SdiReset(); //close current input and reset | |
52 | }//files loop | |
53 | ||
54 | //PH if(sdigs.GetEntries()==0) return; //no sdigits collected, nothing to convert | |
55 | ||
56 | AliRunLoader *pOutRunLoader = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); //open output stream (only 1 possible) | |
57 | AliLoader *pOutRichLoader = pOutRunLoader->GetLoader("HMPIDLoader"); //take output HMPID loader | |
58 | AliHMPID *pOutRich = (AliHMPID*)pOutRunLoader->GetAliRun()->GetDetector("HMPID"); //take output HMPID | |
59 | pOutRichLoader->MakeTree("D"); pOutRich->MakeBranch("D"); //create TreeD in output stream | |
60 | ||
61 | Sdi2Dig(&sdigs,pOutRich->DigLst()); | |
62 | ||
63 | pOutRichLoader->TreeD()->Fill(); //fill the output tree with the list of digits | |
64 | pOutRichLoader->WriteDigits("OVERWRITE"); //serialize them to file | |
65 | ||
66 | sdigs.Clear(); //remove all tmp sdigits | |
67 | pOutRichLoader->UnloadDigits(); pOutRich->DigReset(); | |
68 | }//Exec() | |
69 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
70 | void AliHMPIDDigitizer::Sdi2Dig(TClonesArray *pSdiLst,TObjArray *pDigLst) | |
71 | { | |
72 | // Converts list of sdigits to 7 lists of digits, one per each chamber | |
73 | // Arguments: pSDigLst - list of all sdigits | |
74 | // pDigLst - list of 7 lists of digits | |
75 | // Returns: none | |
76 | ||
77 | TClonesArray *pLst[7]; Int_t iCnt[7]; | |
78 | ||
79 | for(Int_t i=0;i<7;i++){ | |
80 | pLst[i]=(TClonesArray*)(*pDigLst)[i]; | |
3c6274c1 | 81 | iCnt[i]=0; if(pLst[i]->GetEntries()!=0) AliErrorClass("Some of digits lists is not empty"); //in principle those lists should be empty |
d3da6dc4 | 82 | } |
c5c19d6a | 83 | |
84 | // make noise array | |
85 | Float_t arrNoise[7][6][80][48]; | |
86 | if(fDoNoise) { | |
87 | for (Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) | |
88 | for (Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++) | |
89 | for(Int_t iPx=AliHMPIDDigit::kMinPx;iPx<=AliHMPIDDigit::kMaxPx;iPx++) | |
90 | for(Int_t iPy=AliHMPIDDigit::kMinPy;iPy<=AliHMPIDDigit::kMaxPy;iPy++) arrNoise[iCh][iPc][iPx][iPy] = gRandom->Gaus(0,1); | |
91 | } | |
d3da6dc4 | 92 | |
93 | pSdiLst->Sort(); | |
94 | ||
95 | Int_t iPad=-1,iCh=-1,iNdigPad=-1,aTids[3]={-1,-1,-1}; Float_t q=-1; | |
96 | for(Int_t i=0;i<pSdiLst->GetEntries();i++){ //sdigits loop (sorted) | |
97 | AliHMPIDDigit *pSdig=(AliHMPIDDigit*)pSdiLst->At(i); //take current sdigit | |
98 | if(pSdig->Pad()==iPad){ //if the same pad | |
99 | q+=pSdig->Q(); //sum up charge | |
100 | iNdigPad++; if(iNdigPad<=3) aTids[iNdigPad-1]=pSdig->GetTrack(0); //collect TID | |
101 | continue; | |
102 | } | |
103 | 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 | |
104 | iPad=pSdig->Pad(); iCh=AliHMPIDDigit::A2C(iPad); //new sdigit comes, reset collectors | |
105 | iNdigPad=1; | |
106 | aTids[0]=pSdig->GetTrack(0);aTids[1]=aTids[2]=-1; | |
c5c19d6a | 107 | q=pSdig->Q(); |
108 | if(fDoNoise) q+=arrNoise[iCh][pSdig->Pc()][pSdig->PadPcX()][pSdig->PadPcY()]; | |
109 | arrNoise[iCh][pSdig->Pc()][pSdig->PadPcX()][pSdig->PadPcY()]=0; | |
d3da6dc4 | 110 | }//sdigits loop (sorted) |
111 | ||
3c6274c1 | 112 | 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 | 113 | // add noise pad above threshold with no signal merged...if any |
114 | if(!fDoNoise) return; | |
115 | aTids[0]=aTids[1]=aTids[2]=-1; | |
116 | for (Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++) | |
117 | for (Int_t iPc=AliHMPIDDigit::kMinPc;iPc<=AliHMPIDDigit::kMaxPc;iPc++) | |
118 | for(Int_t iPx=AliHMPIDDigit::kMinPx;iPx<=AliHMPIDDigit::kMaxPx;iPx++) | |
119 | for(Int_t iPy=AliHMPIDDigit::kMinPy;iPy<=AliHMPIDDigit::kMaxPy;iPy++) { | |
120 | Float_t q = arrNoise[iCh][iPc][iPx][iPy]; | |
121 | if(AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(AliHMPIDDigit::Abs(iCh,iPc,iPx,iPy),(Int_t)q,aTids); | |
122 | } | |
123 | ||
d3da6dc4 | 124 | }//Sdi2Dig() |
125 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |