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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 | ||
383238cf | 16 | ////////////////////////////////////////////////////////////////////////////// |
17 | // // | |
18 | // Forward Multiplicity Detector based on Silicon plates // | |
19 | // This class contains the procedures simulation ADC signal for // | |
20 | // the Forward Multiplicity detector : hits -> digits // | |
21 | // ADC signal consists // | |
22 | // - number of detector; // | |
23 | // - number of ring; // | |
24 | // - number of sector; // | |
25 | // - ADC signal in this channel // | |
26 | // // | |
27 | ////////////////////////////////////////////////////////////////////////////// | |
66d2ede1 | 28 | |
29 | #include <TTree.h> | |
30 | #include <TVector.h> | |
31 | #include <TObjArray.h> | |
32 | #include <TFile.h> | |
33 | #include <TDirectory.h> | |
34 | #include <TRandom.h> | |
35 | ||
36 | ||
37 | #include "AliFMDDigitizer.h" | |
38 | #include "AliFMD.h" | |
66d2ede1 | 39 | #include "AliFMDhit.h" |
40 | #include "AliFMDdigit.h" | |
41 | #include "AliRunDigitizer.h" | |
42 | ||
43 | #include "AliRun.h" | |
44 | #include "AliPDG.h" | |
88cb7938 | 45 | #include "AliLoader.h" |
46 | #include "AliRunLoader.h" | |
66d2ede1 | 47 | |
48 | #include <stdlib.h> | |
93bdec82 | 49 | #include <Riostream.h> |
50 | #include <Riostream.h> | |
66d2ede1 | 51 | |
52 | ClassImp(AliFMDDigitizer) | |
53 | ||
54 | //___________________________________________ | |
55 | AliFMDDigitizer::AliFMDDigitizer() :AliDigitizer() | |
56 | { | |
57 | // Default ctor - don't use it | |
58 | ; | |
59 | } | |
60 | ||
61 | //___________________________________________ | |
62 | AliFMDDigitizer::AliFMDDigitizer(AliRunDigitizer* manager) | |
63 | :AliDigitizer(manager) | |
64 | { | |
383238cf | 65 | // ctor which should be used |
66 | // fDebug =0; | |
67 | // if (GetDebug()>2) | |
66d2ede1 | 68 | // cerr<<"AliFMDDigitizer::AliFMDDigitizer" |
383238cf | 69 | // <<"(AliRunDigitizer* manager) was processed"<<endl; |
66d2ede1 | 70 | } |
71 | ||
72 | //------------------------------------------------------------------------ | |
73 | AliFMDDigitizer::~AliFMDDigitizer() | |
74 | { | |
75 | // Destructor | |
66d2ede1 | 76 | } |
77 | ||
78 | //------------------------------------------------------------------------ | |
88cb7938 | 79 | Bool_t AliFMDDigitizer::Init() |
66d2ede1 | 80 | { |
88cb7938 | 81 | // Initialization |
66d2ede1 | 82 | cout<<"AliFMDDigitizer::Init"<<endl; |
83 | return kTRUE; | |
84 | } | |
85 | ||
88cb7938 | 86 | |
66d2ede1 | 87 | //--------------------------------------------------------------------- |
88 | ||
383238cf | 89 | void AliFMDDigitizer::Exec(Option_t * /*option*/) |
66d2ede1 | 90 | { |
88cb7938 | 91 | |
ab256e65 | 92 | /* |
93 | Conver hits to digits: | |
94 | - number of detector; | |
95 | - number of ring; | |
96 | - number of sector; | |
97 | - ADC signal in this channel | |
98 | */ | |
66d2ede1 | 99 | |
88cb7938 | 100 | AliRunLoader *inRL, *outRL;//in and out Run Loaders |
101 | AliLoader *ingime, *outgime;// in and out ITSLoaders | |
102 | ||
103 | outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
104 | outgime = outRL->GetLoader("FMDLoader"); | |
66d2ede1 | 105 | |
106 | #ifdef DEBUG | |
107 | cout<<"AliFMDDigitizer::>SDigits2Digits start...\n"; | |
108 | #endif | |
109 | ||
66d2ede1 | 110 | |
88cb7938 | 111 | Int_t volume, sector, ring, charge; |
4110645f | 112 | Float_t e; |
88cb7938 | 113 | Float_t de[10][50][520]; |
4110645f | 114 | Int_t hit; |
66d2ede1 | 115 | Int_t digit[5]; |
116 | Int_t ivol, iSector, iRing; | |
117 | for (Int_t i=0; i<10; i++) | |
118 | for(Int_t j=0; j<50; j++) | |
88cb7938 | 119 | for(Int_t ij=0; ij<520; ij++) |
120 | de[i][j][ij]=0; | |
383238cf | 121 | Int_t numberOfRings[5]= |
88cb7938 | 122 | {512,256,512,256,512}; |
383238cf | 123 | Int_t numberOfSector[5]= |
66d2ede1 | 124 | {20,40,20,40,20}; |
125 | ||
4110645f | 126 | AliFMDhit *fmdHit=0; |
383238cf | 127 | TTree *tH=0; |
4110645f | 128 | TBranch *brHits=0; |
88cb7938 | 129 | TBranch *brD=0; |
4110645f | 130 | |
88cb7938 | 131 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); |
132 | if (inRL == 0x0) | |
133 | { | |
134 | Error("Exec","Can not find Run Loader for input stream 0"); | |
135 | return; | |
136 | } | |
137 | Info("Exec","inRL->GetAliRun() %#x",inRL->GetAliRun()); | |
138 | ||
139 | inRL->LoadgAlice(); | |
140 | ||
141 | AliFMD * fFMD = (AliFMD *) inRL->GetAliRun()->GetDetector("FMD"); | |
142 | Info("Exec","inRL->GetAliRun(): %#x, FMD: %#x, InRL %#x.",inRL->GetAliRun(),fFMD,inRL); | |
143 | if (fFMD == 0x0) | |
144 | { | |
145 | Error("Exec","Can not get FMD from gAlice"); | |
146 | return; | |
147 | } | |
66d2ede1 | 148 | // Loop over files to digitize |
149 | ||
4110645f | 150 | Int_t nFiles=GetManager()->GetNinputs(); |
88cb7938 | 151 | for (Int_t inputFile=0; inputFile<nFiles;inputFile++) |
152 | { | |
4110645f | 153 | cout<<" event "<<fManager->GetOutputEventNr()<<endl; |
154 | if (fFMD) | |
88cb7938 | 155 | { |
156 | ||
157 | inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile)); | |
158 | ingime = inRL->GetLoader("FMDLoader"); | |
159 | ingime->LoadHits("READ");//probably it is necessary to load them before | |
160 | ||
161 | ||
383238cf | 162 | tH = ingime->TreeH(); |
163 | if (tH == 0x0) | |
88cb7938 | 164 | { |
165 | ingime->LoadHits("read"); | |
383238cf | 166 | tH = ingime->TreeH(); |
88cb7938 | 167 | } |
383238cf | 168 | brHits = tH->GetBranch("FMD"); |
4110645f | 169 | if (brHits) { |
88cb7938 | 170 | // brHits->SetAddress(&fHits); |
171 | fFMD->SetHitsAddressBranch(brHits); | |
4110645f | 172 | }else{ |
88cb7938 | 173 | Fatal("Exec","EXEC Branch FMD hit not found"); |
46501dfb | 174 | } |
383238cf | 175 | TClonesArray *fFMDhits = fFMD->Hits (); |
46501dfb | 176 | |
383238cf | 177 | Int_t ntracks = (Int_t) tH->GetEntries(); |
88cb7938 | 178 | cout<<"Number of tracks TreeH"<<ntracks<<endl; |
179 | for (Int_t track = 0; track < ntracks; track++) | |
180 | { | |
181 | brHits->GetEntry(track); | |
383238cf | 182 | Int_t nhits = fFMDhits->GetEntries (); |
88cb7938 | 183 | // if(nhits>0) cout<<"nhits "<<nhits<<endl; |
184 | for (hit = 0; hit < nhits; hit++) | |
185 | { | |
383238cf | 186 | fmdHit = (AliFMDhit *) fFMDhits->UncheckedAt(hit); |
88cb7938 | 187 | |
188 | volume = fmdHit->Volume (); | |
189 | sector = fmdHit->NumberOfSector (); | |
190 | ring = fmdHit->NumberOfRing (); | |
191 | e = fmdHit->Edep (); | |
192 | de[volume][sector][ring] += e; | |
193 | // if (fManager->GetOutputEventNr()>1) | |
194 | // cout<<" "<<volume<<" "<<sector<<" "<<ring<<endl; | |
195 | } //hit loop | |
196 | } //track loop | |
197 | } | |
198 | //if FMD | |
66d2ede1 | 199 | |
4110645f | 200 | |
66d2ede1 | 201 | // Put noise and make ADC signal |
383238cf | 202 | Float_t mipI = 1.664 * 0.04 * 2.33 / 22400; // = 6.923e-6; |
88cb7938 | 203 | for ( ivol=1; ivol<=5; ivol++){ |
383238cf | 204 | for ( iSector=1; iSector<=numberOfSector[ivol-1]; iSector++){ |
205 | for ( iRing=1; iRing<=numberOfRings[ivol-1]; iRing++){ | |
88cb7938 | 206 | digit[0]=ivol; |
207 | digit[1]=iSector; | |
208 | digit[2]=iRing; | |
383238cf | 209 | charge = Int_t (de[ivol][iSector][iRing] / mipI); |
88cb7938 | 210 | Int_t pedestal=Int_t(gRandom->Gaus(500,250)); |
211 | // digit[3]=PutNoise(charge); | |
212 | digit[3]=charge + pedestal; | |
213 | if(digit[3]<= 500) digit[3]=500; | |
66d2ede1 | 214 | //dynamic range from MIP(0.155MeV) to 30MIP(4.65MeV) |
215 | //1024 ADC channels | |
88cb7938 | 216 | Float_t channelWidth=(22400*50)/1024; |
217 | digit[4]=Int_t(digit[3]/channelWidth); | |
218 | if (digit[4]>1024) digit[4]=1024; | |
219 | fFMD->AddDigit(digit); | |
220 | } //ivol | |
221 | } //iSector | |
222 | } //iRing | |
223 | ||
224 | TTree* treeD = outgime->TreeD(); | |
225 | cout<<" treeD "<<treeD; | |
226 | if (treeD == 0x0) { | |
227 | outgime->MakeTree("D"); | |
228 | treeD = outgime->TreeD(); | |
229 | cout<<" After MakeTree "<<treeD<<endl; | |
230 | } | |
231 | cout<<" Before reset "<<treeD<<endl; | |
232 | // treeD->Clear(); | |
233 | treeD->Reset(); | |
234 | fFMD->MakeBranchInTreeD(treeD); | |
235 | brD = treeD->GetBranch("FMD"); | |
236 | cout<<" Make branch "<<brD<<endl; | |
237 | ||
238 | treeD->Fill(); //this operator does not work for events >1 | |
239 | treeD->Print(); | |
240 | outgime->WriteDigits("OVERWRITE"); | |
66d2ede1 | 241 | |
88cb7938 | 242 | gAlice->ResetDigits(); |
243 | } | |
66d2ede1 | 244 | } |
88cb7938 | 245 | |
246 | ||
247 | ||
248 | ||
66d2ede1 | 249 |