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66d2ede1 | 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 | ||
17 | #include <TTree.h> | |
18 | #include <TVector.h> | |
19 | #include <TObjArray.h> | |
20 | #include <TFile.h> | |
21 | #include <TDirectory.h> | |
22 | #include <TRandom.h> | |
23 | ||
24 | ||
25 | #include "AliFMDDigitizer.h" | |
26 | #include "AliFMD.h" | |
27 | #include "AliFMDSDigitizer.h" | |
28 | #include "AliFMDhit.h" | |
29 | #include "AliFMDdigit.h" | |
30 | #include "AliRunDigitizer.h" | |
31 | ||
32 | #include "AliRun.h" | |
33 | #include "AliPDG.h" | |
34 | ||
35 | #include <stdlib.h> | |
36 | #include <iostream.h> | |
37 | #include <fstream.h> | |
38 | ||
39 | ClassImp(AliFMDDigitizer) | |
40 | ||
41 | //___________________________________________ | |
42 | AliFMDDigitizer::AliFMDDigitizer() :AliDigitizer() | |
43 | { | |
44 | // Default ctor - don't use it | |
45 | ; | |
46 | } | |
47 | ||
48 | //___________________________________________ | |
49 | AliFMDDigitizer::AliFMDDigitizer(AliRunDigitizer* manager) | |
50 | :AliDigitizer(manager) | |
51 | { | |
52 | cout<<"AliFMDDigitizer::AliFMDDigitizer"<<endl; | |
53 | // ctor which should be used | |
54 | // fDebug =0; | |
55 | // if (GetDebug()>2) | |
56 | // cerr<<"AliFMDDigitizer::AliFMDDigitizer" | |
57 | // <<"(AliRunDigitizer* manager) was processed"<<endl; | |
58 | ||
59 | } | |
60 | ||
61 | //------------------------------------------------------------------------ | |
62 | AliFMDDigitizer::~AliFMDDigitizer() | |
63 | { | |
64 | // Destructor | |
65 | if(fSDigits) { | |
66 | fSDigits->Delete(); | |
67 | delete fSDigits ; | |
68 | fSDigits = 0; | |
69 | } | |
70 | } | |
71 | ||
72 | //------------------------------------------------------------------------ | |
73 | Bool_t AliFMDDigitizer::Init() | |
74 | { | |
75 | // Initialization | |
76 | cout<<"AliFMDDigitizer::Init"<<endl; | |
77 | return kTRUE; | |
78 | } | |
79 | ||
80 | ||
81 | //--------------------------------------------------------------------- | |
82 | ||
83 | void AliFMDDigitizer::Exec(Option_t* option) | |
84 | { | |
85 | ||
86 | ||
87 | ||
88 | #ifdef DEBUG | |
89 | cout<<"AliFMDDigitizer::>SDigits2Digits start...\n"; | |
90 | #endif | |
91 | ||
92 | AliFMD * FMD = (AliFMD *) gAlice->GetDetector("FMD") ; | |
93 | cout<<" FMD "<<FMD<<endl; | |
94 | if (gAlice->TreeD () == 0) | |
95 | gAlice->MakeTree ("D"); | |
96 | fDigits = FMD->Digits(); | |
97 | ||
98 | ||
99 | Int_t chargeSum[10][50][300]; | |
100 | Int_t digit[5]; | |
101 | Int_t ivol, iSector, iRing; | |
102 | for (Int_t i=0; i<10; i++) | |
103 | for(Int_t j=0; j<50; j++) | |
104 | for(Int_t ij=0; ij<300; ij++) | |
105 | chargeSum[i][j][ij]=0; | |
106 | Int_t NumberOfRings[5]= | |
107 | {256,128,256,128,256}; | |
108 | Int_t NumberOfSectors[5]= | |
109 | {20,40,20,40,20}; | |
110 | ||
111 | ||
112 | // Loop over files to digitize | |
113 | ||
114 | for (Int_t inputFile=0; inputFile<fManager->GetNinputs(); | |
115 | inputFile++) { | |
116 | ||
117 | ReadDigit( chargeSum, inputFile); | |
118 | ||
119 | } | |
120 | // Put noise and make ADC signal | |
121 | for ( ivol=1; ivol<=5; ivol++){ | |
122 | for ( iSector=1; iSector<=NumberOfSectors[ivol-1]; iSector++){ | |
123 | for ( iRing=1; iRing<=NumberOfRings[ivol-1]; iRing++){ | |
124 | digit[0]=ivol; | |
125 | digit[1]=iSector; | |
126 | digit[2]=iRing; | |
127 | digit[3]=PutNoise(chargeSum[ivol][iSector][iRing]); | |
128 | if(chargeSum[ivol][iSector][iRing] <= 500) digit[3]=500; | |
129 | //dynamic range from MIP(0.155MeV) to 30MIP(4.65MeV) | |
130 | //1024 ADC channels | |
131 | Float_t channelWidth=(22400*50)/1024; | |
132 | digit[4]=Int_t(digit[3]/channelWidth); | |
133 | if (digit[4]>1024) digit[4]=1024; | |
134 | FMD->AddDigit(digit); | |
135 | ||
136 | } //ivol | |
137 | } //iSector | |
138 | } //iRing | |
139 | TTree* treeD = fManager->GetTreeD(); | |
140 | treeD->Reset(); | |
141 | FMD->MakeBranch("D"); | |
142 | treeD->Fill(); | |
143 | ||
144 | fManager->GetTreeD()->Write(0,TObject::kOverwrite); | |
145 | ||
146 | gAlice->ResetDigits(); | |
147 | ||
148 | } | |
149 | ||
150 | //--------------------------------------------------------------------- | |
151 | ||
152 | void AliFMDDigitizer::ReadDigit(Int_t chargeSum[][50][300], Int_t inputFile ) | |
153 | { | |
154 | cout<<" AliFMDDigitizer::ReadDigit "<<endl; | |
155 | AliFMDdigit *fmddigit; | |
156 | gAlice->GetEvent(0) ; | |
157 | AliFMD * FMD = (AliFMD *) gAlice->GetDetector("FMD") ; | |
158 | Int_t ndig, k; | |
159 | gAlice->ResetDigits(); | |
160 | treeS->GetEvent(0); | |
161 | ||
162 | treeS->GetEvent(0); | |
163 | TClonesArray * FMDSdigits = FMD->SDigits(); | |
164 | ||
165 | ndig=FMDSdigits->GetEntries(); | |
166 | ||
167 | ||
168 | for (k=0; k<ndig; k++) { | |
169 | fmddigit= (AliFMDdigit*) FMDSdigits->UncheckedAt(k); | |
170 | Int_t iVolume=fmddigit->Volume(); | |
171 | Int_t iNumberOfSector =fmddigit->NumberOfSector(); | |
172 | Int_t iNumberOfRing=fmddigit->NumberOfRing(); | |
173 | chargeSum[iVolume][iNumberOfSector][iNumberOfRing]+=fmddigit->Charge(); | |
174 | } | |
175 | } | |
176 | ||
177 |