]>
Commit | Line | Data |
---|---|---|
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 | $Log$ | |
18 | Revision 1.1 2001/05/29 12:01:06 hristov | |
19 | Last minute changes and new code for event mixing and reconstruction (A.Maevskaia) | |
20 | ||
21 | Revision 1.3 2001/03/05 23:57:44 morsch | |
22 | Writing of digit tree moved to macro. | |
23 | ||
24 | Revision 1.2 2001/03/05 08:40:25 morsch | |
25 | Method SortTracks(..) imported from AliMUON. | |
26 | ||
27 | Revision 1.1 2001/02/02 14:11:53 morsch | |
28 | AliMUONMerger prototype to be called by the merge manager. | |
29 | ||
30 | */ | |
31 | ||
32 | #include <TTree.h> | |
33 | #include <TVector.h> | |
34 | #include <TObjArray.h> | |
35 | #include <TFile.h> | |
36 | #include <TDirectory.h> | |
37 | ||
38 | ||
39 | #include "AliFMDMerger.h" | |
40 | #include "AliFMD.h" | |
41 | #include "AliFMDSDigitizer.h" | |
42 | #include "AliFMDhit.h" | |
43 | #include "AliFMDdigit.h" | |
44 | ||
45 | #include "AliRun.h" | |
46 | #include "AliPDG.h" | |
47 | ||
48 | #include <stdlib.h> | |
49 | #include <iostream.h> | |
50 | #include <fstream.h> | |
51 | ||
52 | ClassImp(AliFMDMerger) | |
53 | ||
54 | //___________________________________________ | |
55 | AliFMDMerger::AliFMDMerger() | |
56 | { | |
57 | // Default constructor | |
58 | fEvNrSig = 0; | |
59 | fEvNrBgr = 0; | |
60 | fMerge =kDigitize; | |
61 | fFnBgr = 0; | |
62 | } | |
63 | ||
64 | //------------------------------------------------------------------------ | |
65 | AliFMDMerger::~AliFMDMerger() | |
66 | { | |
67 | // Destructor | |
68 | if(fSDigits) { | |
69 | fSDigits->Delete(); | |
70 | delete fSDigits ; | |
71 | fSDigits = 0; | |
72 | } | |
73 | } | |
74 | ||
75 | ||
76 | //--------------------------------------------------------------------- | |
77 | void AliFMDMerger::SetRingsSi1(Int_t ringsSi1) | |
78 | { | |
79 | fRingsSi1=ringsSi1; | |
80 | } | |
81 | void AliFMDMerger::SetSectorsSi1(Int_t sectorsSi1) | |
82 | { | |
83 | fSectorsSi1=sectorsSi1; | |
84 | } | |
85 | void AliFMDMerger::SetRingsSi2(Int_t ringsSi2) | |
86 | { | |
87 | fRingsSi2=ringsSi2; | |
88 | } | |
89 | void AliFMDMerger::SetSectorsSi2(Int_t sectorsSi2) | |
90 | { | |
91 | fSectorsSi2=sectorsSi2; | |
92 | } | |
93 | //--------------------------------------------------------------------- | |
94 | ||
95 | //------------------------------------------------------------------------ | |
96 | void AliFMDMerger::Init() | |
97 | { | |
98 | // Initialisation | |
99 | if (fMerge) fBgrFile = InitBgr(); | |
100 | ||
101 | } | |
102 | ||
103 | ||
104 | ||
105 | //------------------------------------------------------------------------ | |
106 | TFile* AliFMDMerger::InitBgr() | |
107 | { | |
108 | // Initialise background event | |
109 | TFile *file = new TFile(fFnBgr); | |
110 | // add error checking later | |
111 | printf("\n AliFMDMerger has opened %s file with background event \n", fFnBgr); | |
112 | return file; | |
113 | } | |
114 | ||
115 | //------------------------------------------------------------------------ | |
116 | void AliFMDMerger::Digitise() | |
117 | { | |
118 | ||
119 | // keep galice.root for signal and name differently the file for | |
120 | // background when add! otherwise the track info for signal will be lost ! | |
121 | ||
122 | ||
123 | ||
124 | #ifdef DEBUG | |
125 | cout<<"ALiFMDMerger::>SDigits2Digits start...\n"; | |
126 | #endif | |
127 | ||
128 | AliFMD * FMD = (AliFMD *) gAlice->GetDetector("FMD") ; | |
129 | ||
130 | Int_t chargeSum[10][30][150]; | |
131 | Int_t digit[5]; | |
132 | Int_t ivol, iSector, iRing; | |
133 | ||
134 | Int_t NumberOfRings[5]= | |
135 | {fRingsSi1,fRingsSi2,fRingsSi1,fRingsSi2,fRingsSi1}; | |
136 | Int_t NumberOfSectors[5]= | |
137 | {fSectorsSi1,fSectorsSi2,fSectorsSi1,fSectorsSi2,fSectorsSi1}; | |
138 | ||
139 | TFile *f1 =0; | |
140 | TTree *TK = gAlice->TreeK(); | |
141 | if (TK) f1 = TK->GetCurrentFile(); | |
142 | ||
143 | gAlice->GetEvent(fEvNrSig) ; | |
144 | ||
145 | if(gAlice->TreeD() == 0) | |
146 | gAlice->MakeTree("D") ; | |
147 | gAlice->TreeD()->Reset(); | |
148 | ||
149 | //Make branches | |
150 | ReadDigit( chargeSum, fEvNrSig); | |
151 | ||
152 | if(fMerge){ | |
153 | fBgrFile->cd(); | |
154 | // gAlice->TreeS()->Reset(); | |
155 | gAlice = (AliRun*)fBgrFile->Get("gAlice"); | |
156 | Int_t chargeBgr[10][30][150]; | |
157 | ReadDigit( chargeBgr,fEvNrBgr); | |
158 | for ( ivol=1; ivol<=5; ivol++) | |
159 | for ( iSector=1; iSector<=NumberOfSectors[ivol-1]; iSector++) | |
160 | for ( iRing=1; iRing<=NumberOfRings[ivol-1]; iRing++) | |
161 | chargeSum[ivol][iSector][iRing]= | |
162 | chargeBgr[ivol][iSector][iRing]+ | |
163 | chargeSum[ivol][iSector][iRing]; | |
164 | ||
165 | } //if merge | |
166 | ||
167 | ||
168 | // Put noise and make ADC signal | |
169 | for ( ivol=1; ivol<=5; ivol++){ | |
170 | for ( iSector=1; iSector<=NumberOfSectors[ivol-1]; iSector++){ | |
171 | for ( iRing=1; iRing<=NumberOfRings[ivol-1]; iRing++){ | |
172 | digit[0]=ivol; | |
173 | digit[1]=iSector; | |
174 | digit[2]=iRing; | |
175 | digit[3]=PutNoise(chargeSum[ivol][iSector][iRing]); | |
176 | if(chargeSum[ivol][iSector][iRing] <= 500) digit[3]=500; | |
177 | ||
178 | //dinamic diapason from MIP(0.155MeV) to 30MIP(4.65MeV) | |
179 | //1024 ADC channels | |
180 | Float_t channelWidth=(22400*50)/1024; | |
181 | digit[4]=Int_t(digit[3]/channelWidth); | |
182 | if (digit[4]>1024) digit[4]=1024; | |
183 | ||
184 | FMD->AddDigit(digit); | |
185 | ||
186 | } //ivol | |
187 | } //iSector | |
188 | } //iRing | |
189 | ||
190 | f1->cd(); | |
191 | ||
192 | //Make branch for digits | |
193 | FMD->MakeBranch("D"); | |
194 | ||
195 | gAlice->TreeD()->Reset(); | |
196 | gAlice->TreeD()->Fill(); | |
197 | ||
198 | fDigits = FMD->Digits(); | |
199 | ||
200 | gAlice->TreeD()->Write(0,TObject::kOverwrite) ; | |
201 | ||
202 | gAlice->ResetDigits(); | |
203 | ||
204 | } | |
205 | ||
206 | //--------------------------------------------------------------------- | |
207 | ||
208 | void AliFMDMerger::ReadDigit(Int_t chargeSum[][30][150], Int_t iEvNum) | |
209 | { | |
210 | AliFMDdigit *fmddigit; | |
211 | ||
212 | for (Int_t i=0; i<10; i++) | |
213 | for(Int_t j=0; j<30; j++) | |
214 | for(Int_t ij=0; ij<150; ij++) | |
215 | chargeSum[i][j][ij]=0; | |
216 | ||
217 | AliFMD * FMD = (AliFMD *) gAlice->GetDetector("FMD") ; | |
218 | ||
219 | gAlice->GetEvent(iEvNum) ; | |
220 | if(gAlice->TreeS()==0) { | |
221 | cout<<" TreeS==0 -> return"<<gAlice->TreeS()<<endl; | |
222 | return ;} | |
223 | ||
224 | Int_t ndig, k; | |
225 | gAlice->ResetDigits(); | |
226 | gAlice->TreeS()->GetEvent(iEvNum); | |
227 | TClonesArray * FMDdigits = FMD->SDigits(); | |
228 | ||
229 | ndig=FMDdigits->GetEntries(); | |
230 | ||
231 | for (k=0; k<ndig; k++) { | |
232 | fmddigit= (AliFMDdigit*) FMDdigits->UncheckedAt(k); | |
233 | ||
234 | Int_t iVolume=fmddigit->Volume(); | |
235 | Int_t iNumberOfSector =fmddigit->NumberOfSector(); | |
236 | Int_t iNumberOfRing=fmddigit->NumberOfRing(); | |
237 | chargeSum[iVolume][iNumberOfSector][iNumberOfRing]=fmddigit->Charge(); | |
238 | } | |
239 | } | |
240 | ||
241 |