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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" | |
66d2ede1 | 27 | #include "AliFMDhit.h" |
28 | #include "AliFMDdigit.h" | |
29 | #include "AliRunDigitizer.h" | |
30 | ||
31 | #include "AliRun.h" | |
32 | #include "AliPDG.h" | |
88cb7938 | 33 | #include "AliLoader.h" |
34 | #include "AliRunLoader.h" | |
66d2ede1 | 35 | |
36 | #include <stdlib.h> | |
93bdec82 | 37 | #include <Riostream.h> |
38 | #include <Riostream.h> | |
66d2ede1 | 39 | |
40 | ClassImp(AliFMDDigitizer) | |
41 | ||
42 | //___________________________________________ | |
43 | AliFMDDigitizer::AliFMDDigitizer() :AliDigitizer() | |
44 | { | |
45 | // Default ctor - don't use it | |
46 | ; | |
47 | } | |
48 | ||
49 | //___________________________________________ | |
50 | AliFMDDigitizer::AliFMDDigitizer(AliRunDigitizer* manager) | |
51 | :AliDigitizer(manager) | |
52 | { | |
88cb7938 | 53 | cout<<"AliFMDDigitizer::AliFMDDigitizer"<<endl; |
66d2ede1 | 54 | // ctor which should be used |
55 | // fDebug =0; | |
56 | // if (GetDebug()>2) | |
57 | // cerr<<"AliFMDDigitizer::AliFMDDigitizer" | |
58 | // <<"(AliRunDigitizer* manager) was processed"<<endl; | |
66d2ede1 | 59 | } |
60 | ||
61 | //------------------------------------------------------------------------ | |
62 | AliFMDDigitizer::~AliFMDDigitizer() | |
63 | { | |
64 | // Destructor | |
66d2ede1 | 65 | } |
66 | ||
67 | //------------------------------------------------------------------------ | |
88cb7938 | 68 | Bool_t AliFMDDigitizer::Init() |
66d2ede1 | 69 | { |
88cb7938 | 70 | // Initialization |
66d2ede1 | 71 | cout<<"AliFMDDigitizer::Init"<<endl; |
72 | return kTRUE; | |
73 | } | |
74 | ||
88cb7938 | 75 | |
66d2ede1 | 76 | //--------------------------------------------------------------------- |
77 | ||
46501dfb | 78 | void AliFMDDigitizer::Exec(Option_t * option) |
66d2ede1 | 79 | { |
88cb7938 | 80 | |
ab256e65 | 81 | /* |
82 | Conver hits to digits: | |
83 | - number of detector; | |
84 | - number of ring; | |
85 | - number of sector; | |
86 | - ADC signal in this channel | |
87 | */ | |
88cb7938 | 88 | cout<<"AliFMDDigitizer::Exec Nachali Exec>> "<<endl; |
66d2ede1 | 89 | |
88cb7938 | 90 | AliRunLoader *inRL, *outRL;//in and out Run Loaders |
91 | AliLoader *ingime, *outgime;// in and out ITSLoaders | |
92 | ||
93 | outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
94 | outgime = outRL->GetLoader("FMDLoader"); | |
95 | cout<<"AliFMDDigitizer::Exec >> "<<outgime<<endl; | |
66d2ede1 | 96 | |
97 | #ifdef DEBUG | |
98 | cout<<"AliFMDDigitizer::>SDigits2Digits start...\n"; | |
99 | #endif | |
100 | ||
66d2ede1 | 101 | |
88cb7938 | 102 | Int_t volume, sector, ring, charge; |
4110645f | 103 | Float_t e; |
88cb7938 | 104 | Float_t de[10][50][520]; |
4110645f | 105 | Int_t hit; |
66d2ede1 | 106 | Int_t digit[5]; |
107 | Int_t ivol, iSector, iRing; | |
108 | for (Int_t i=0; i<10; i++) | |
109 | for(Int_t j=0; j<50; j++) | |
88cb7938 | 110 | for(Int_t ij=0; ij<520; ij++) |
111 | de[i][j][ij]=0; | |
112 | Int_t NumberOfRings[5]= | |
113 | {512,256,512,256,512}; | |
114 | Int_t NumberOfSectors[5]= | |
66d2ede1 | 115 | {20,40,20,40,20}; |
116 | ||
4110645f | 117 | AliFMDhit *fmdHit=0; |
88cb7938 | 118 | TTree *TH=0; |
4110645f | 119 | TBranch *brHits=0; |
88cb7938 | 120 | TBranch *brD=0; |
4110645f | 121 | |
88cb7938 | 122 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
123 | if (inRL == 0x0) | |
124 | { | |
125 | Error("Exec","Can not find Run Loader for input stream 0"); | |
126 | return; | |
127 | } | |
128 | Info("Exec","inRL->GetAliRun() %#x",inRL->GetAliRun()); | |
129 | ||
130 | inRL->LoadgAlice(); | |
131 | ||
132 | AliFMD * fFMD = (AliFMD *) inRL->GetAliRun()->GetDetector("FMD"); | |
133 | Info("Exec","inRL->GetAliRun(): %#x, FMD: %#x, InRL %#x.",inRL->GetAliRun(),fFMD,inRL); | |
134 | if (fFMD == 0x0) | |
135 | { | |
136 | Error("Exec","Can not get FMD from gAlice"); | |
137 | return; | |
138 | } | |
66d2ede1 | 139 | // Loop over files to digitize |
140 | ||
4110645f | 141 | Int_t nFiles=GetManager()->GetNinputs(); |
88cb7938 | 142 | for (Int_t inputFile=0; inputFile<nFiles;inputFile++) |
143 | { | |
4110645f | 144 | cout<<" event "<<fManager->GetOutputEventNr()<<endl; |
145 | if (fFMD) | |
88cb7938 | 146 | { |
147 | ||
148 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile)); | |
149 | ingime = inRL->GetLoader("FMDLoader"); | |
150 | ingime->LoadHits("READ");//probably it is necessary to load them before | |
151 | ||
152 | ||
153 | TH = ingime->TreeH(); | |
154 | if (TH == 0x0) | |
155 | { | |
156 | ingime->LoadHits("read"); | |
157 | TH = ingime->TreeH(); | |
158 | } | |
159 | brHits = TH->GetBranch("FMD"); | |
4110645f | 160 | if (brHits) { |
88cb7938 | 161 | // brHits->SetAddress(&fHits); |
162 | fFMD->SetHitsAddressBranch(brHits); | |
4110645f | 163 | }else{ |
88cb7938 | 164 | Fatal("Exec","EXEC Branch FMD hit not found"); |
46501dfb | 165 | } |
88cb7938 | 166 | TClonesArray *FMDhits = fFMD->Hits (); |
46501dfb | 167 | |
88cb7938 | 168 | Int_t ntracks = (Int_t) TH->GetEntries(); |
169 | cout<<"Number of tracks TreeH"<<ntracks<<endl; | |
170 | for (Int_t track = 0; track < ntracks; track++) | |
171 | { | |
172 | brHits->GetEntry(track); | |
173 | Int_t nhits = FMDhits->GetEntries (); | |
174 | // if(nhits>0) cout<<"nhits "<<nhits<<endl; | |
175 | for (hit = 0; hit < nhits; hit++) | |
176 | { | |
177 | fmdHit = (AliFMDhit *) FMDhits->UncheckedAt(hit); | |
178 | ||
179 | volume = fmdHit->Volume (); | |
180 | sector = fmdHit->NumberOfSector (); | |
181 | ring = fmdHit->NumberOfRing (); | |
182 | e = fmdHit->Edep (); | |
183 | de[volume][sector][ring] += e; | |
184 | // if (fManager->GetOutputEventNr()>1) | |
185 | // cout<<" "<<volume<<" "<<sector<<" "<<ring<<endl; | |
186 | } //hit loop | |
187 | } //track loop | |
188 | } | |
189 | //if FMD | |
66d2ede1 | 190 | |
4110645f | 191 | |
66d2ede1 | 192 | // Put noise and make ADC signal |
88cb7938 | 193 | Float_t I = 1.664 * 0.04 * 2.33 / 22400; // = 6.923e-6; |
194 | for ( ivol=1; ivol<=5; ivol++){ | |
195 | for ( iSector=1; iSector<=NumberOfSectors[ivol-1]; iSector++){ | |
196 | for ( iRing=1; iRing<=NumberOfRings[ivol-1]; iRing++){ | |
197 | digit[0]=ivol; | |
198 | digit[1]=iSector; | |
199 | digit[2]=iRing; | |
200 | charge = Int_t (de[ivol][iSector][iRing] / I); | |
201 | Int_t pedestal=Int_t(gRandom->Gaus(500,250)); | |
202 | // digit[3]=PutNoise(charge); | |
203 | digit[3]=charge + pedestal; | |
204 | if(digit[3]<= 500) digit[3]=500; | |
66d2ede1 | 205 | //dynamic range from MIP(0.155MeV) to 30MIP(4.65MeV) |
206 | //1024 ADC channels | |
88cb7938 | 207 | Float_t channelWidth=(22400*50)/1024; |
208 | digit[4]=Int_t(digit[3]/channelWidth); | |
209 | if (digit[4]>1024) digit[4]=1024; | |
210 | fFMD->AddDigit(digit); | |
211 | } //ivol | |
212 | } //iSector | |
213 | } //iRing | |
214 | ||
215 | TTree* treeD = outgime->TreeD(); | |
216 | cout<<" treeD "<<treeD; | |
217 | if (treeD == 0x0) { | |
218 | outgime->MakeTree("D"); | |
219 | treeD = outgime->TreeD(); | |
220 | cout<<" After MakeTree "<<treeD<<endl; | |
221 | } | |
222 | cout<<" Before reset "<<treeD<<endl; | |
223 | // treeD->Clear(); | |
224 | treeD->Reset(); | |
225 | fFMD->MakeBranchInTreeD(treeD); | |
226 | brD = treeD->GetBranch("FMD"); | |
227 | cout<<" Make branch "<<brD<<endl; | |
228 | ||
229 | treeD->Fill(); //this operator does not work for events >1 | |
230 | treeD->Print(); | |
231 | outgime->WriteDigits("OVERWRITE"); | |
66d2ede1 | 232 | |
88cb7938 | 233 | gAlice->ResetDigits(); |
234 | } | |
66d2ede1 | 235 | } |
88cb7938 | 236 | |
237 | ||
238 | ||
239 | ||
66d2ede1 | 240 |