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517b7f8f | 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 | ||
517b7f8f | 16 | #include <TTree.h> |
17 | #include <TVector.h> | |
18 | #include <TObjArray.h> | |
19 | #include <TFile.h> | |
20 | #include <TDirectory.h> | |
21 | ||
22 | ||
23 | #include "AliTOFMerger.h" | |
24 | #include "AliTOF.h" | |
25 | #include "AliTOFSDigitizer.h" | |
26 | #include "AliTOFhit.h" | |
27 | #include "AliTOFdigit.h" | |
28 | ||
29 | #include "AliRun.h" | |
30 | #include "AliPDG.h" | |
31 | ||
32 | #include <stdlib.h> | |
33 | #include <iostream.h> | |
34 | #include <fstream.h> | |
35 | ||
36 | ClassImp(AliTOFMerger) | |
37 | ||
38 | //___________________________________________ | |
39 | AliTOFMerger::AliTOFMerger() | |
40 | { | |
bd0c63ae | 41 | // Default ctor |
42 | fNDigits = 0; | |
517b7f8f | 43 | fEvNrSig = 0; |
44 | fEvNrBgr = 0; | |
45 | fMerge =kDigitize; | |
46 | fFnBgr = 0; | |
2685bf00 | 47 | fDigits = 0; |
48 | fSDigits =0; | |
49 | fFnBgr = 0; | |
50 | fFnSig = 0; | |
51 | fBgrFile = 0; | |
517b7f8f | 52 | } |
53 | ||
54 | //------------------------------------------------------------------------ | |
55 | AliTOFMerger::~AliTOFMerger() | |
56 | { | |
bd0c63ae | 57 | // Dtor |
517b7f8f | 58 | if(fSDigits) { |
59 | fSDigits->Delete(); | |
60 | delete fSDigits ; | |
61 | fSDigits = 0; | |
62 | } | |
63 | } | |
64 | ||
65 | ||
66 | //------------------------------------------------------------------------ | |
67 | void AliTOFMerger::Init() | |
68 | { | |
69 | // Initialisation | |
70 | if (fMerge) fBgrFile = InitBgr(); | |
71 | ||
72 | } | |
73 | ||
74 | ||
75 | ||
76 | //------------------------------------------------------------------------ | |
77 | TFile* AliTOFMerger::InitBgr() | |
78 | { | |
79 | // Initialise background event | |
80 | TFile *file = new TFile(fFnBgr); | |
81 | // add error checking later | |
82 | printf("\n AliTOFMerger has opened %s file with background event \n", fFnBgr); | |
83 | return file; | |
84 | } | |
85 | ||
86 | //------------------------------------------------------------------------ | |
87 | void AliTOFMerger::Digitise() | |
88 | { | |
bd0c63ae | 89 | // as in FMD |
90 | // keep galice.root for signal and name differently the file for | |
91 | // background when add! otherwise the track info for signal will be lost ! | |
92 | ||
93 | ||
517b7f8f | 94 | |
95 | #ifdef DEBUG | |
96 | cout<<"ALiTOFMerger::>SDigits2Digits start...\n"; | |
97 | #endif | |
bd0c63ae | 98 | |
99 | AliTOF* TOF = (AliTOF *) gAlice->GetDetector("TOF") ; | |
100 | ||
101 | ||
102 | TFile *f1 =0; | |
103 | TTree *TK = gAlice->TreeK(); | |
104 | if (TK) f1 = TK->GetCurrentFile(); | |
105 | ||
106 | gAlice->GetEvent(fEvNrSig) ; | |
107 | ||
108 | if(gAlice->TreeD() == 0) | |
109 | gAlice->MakeTree("D") ; | |
110 | gAlice->TreeD()->Reset(); | |
111 | ||
112 | // read and write digits for signal | |
113 | ReadWriteDigit(fEvNrSig); | |
114 | ||
115 | if(fMerge){ | |
116 | // bgr file | |
117 | fBgrFile->cd(); | |
118 | // gAlice->TreeS()->Reset(); | |
119 | gAlice = (AliRun*)fBgrFile->Get("gAlice"); | |
120 | ReadWriteDigit(fEvNrBgr); | |
121 | } //if merge | |
122 | ||
123 | ||
124 | f1->cd(); | |
125 | ||
126 | //Make branch for digits | |
127 | TOF->MakeBranch("D"); | |
128 | ||
129 | gAlice->TreeD()->Reset(); | |
130 | gAlice->TreeD()->Fill(); | |
131 | ||
132 | fDigits = TOF->Digits(); | |
133 | ||
134 | gAlice->TreeD()->Write(0,TObject::kOverwrite) ; | |
135 | ||
136 | gAlice->ResetDigits(); | |
137 | ||
138 | } | |
139 | ||
140 | //--------------------------------------------------------------------- | |
141 | ||
142 | void AliTOFMerger::ReadWriteDigit(Int_t iEvNum) | |
143 | { | |
144 | // | |
145 | // Read Sdigits from the current file and write them in the TreeD | |
146 | // | |
147 | AliTOFdigit* tofsdigit; | |
148 | ||
149 | AliTOF * tofinfile = (AliTOF *) gAlice->GetDetector("TOF") ; | |
150 | ||
151 | gAlice->GetEvent(iEvNum) ; | |
152 | if(gAlice->TreeS()==0) { | |
153 | cout<<" TreeS==0 -> return"<<gAlice->TreeS()<<endl; | |
154 | return ;} | |
155 | ||
156 | Int_t ndig, k; | |
157 | Int_t tracks[3]; // track info | |
158 | Int_t vol[5]; // location for a digit | |
159 | Float_t digit[2]; // TOF digit variables | |
160 | ||
161 | gAlice->ResetDigits(); | |
162 | gAlice->TreeS()->GetEvent(iEvNum); | |
163 | TClonesArray * TOFdigits = tofinfile->SDigits(); | |
164 | ||
165 | ndig=TOFdigits->GetEntries(); | |
166 | ||
167 | for (k=0; k<ndig; k++) { | |
168 | tofsdigit= (AliTOFdigit*) TOFdigits->UncheckedAt(k); | |
169 | ||
170 | tracks[0] = tofsdigit->GetTrack(0); | |
171 | tracks[1] = tofsdigit->GetTrack(1); | |
172 | tracks[2] = tofsdigit->GetTrack(2); | |
173 | ||
174 | vol[0] = tofsdigit->GetSector(); | |
175 | vol[1] = tofsdigit->GetPlate(); | |
766a7c4e | 176 | vol[2] = tofsdigit->GetStrip(); |
177 | vol[3] = tofsdigit->GetPadx(); | |
178 | vol[4] = tofsdigit->GetPadz(); | |
bd0c63ae | 179 | |
180 | digit[0] = tofsdigit->GetTdc(); | |
181 | digit[1] = tofsdigit->GetAdc(); | |
182 | ||
183 | new ((*fDigits)[fNDigits++]) AliTOFdigit(tracks, vol, digit); | |
184 | } // end loop on sdigits in the current file | |
517b7f8f | 185 | } |
bd0c63ae | 186 | |
187 | ||
188 |