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30178c30 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | /* $Id$ */ | |
d1775029 | 17 | |
18 | // Do the Digitization (Digit) from summable Digits (SDigit) | |
19 | // Allow the merging of signal file with background file(s). | |
20 | ||
cf286af7 | 21 | ///////////////////////////////////////////////////////////////////////////////// |
22 | // | |
23 | // AliMUONDigitizerv2 digitizes digits from s-digits. | |
24 | // Merging is allowed from multiple input streams. The first input stream is | |
25 | // assumed to be the signal and all other input streams as assumed to be | |
26 | // background. | |
27 | // Chamber response is applied to the digits identically to AliMUONDigitizerv1. | |
28 | // | |
29 | ///////////////////////////////////////////////////////////////////////////////// | |
30 | ||
30178c30 | 31 | #include "AliMUONData.h" |
32 | #include "AliMUONLoader.h" | |
33 | #include "AliMUONConstants.h" | |
34 | #include "AliMUONDigit.h" | |
35 | #include "AliMUONDigitizerv2.h" | |
36 | #include "AliMUONTransientDigit.h" | |
37 | ||
d1775029 | 38 | ClassImp(AliMUONDigitizerv2) |
39 | ||
40 | //___________________________________________ | |
cf286af7 | 41 | AliMUONDigitizerv2::AliMUONDigitizerv2() : AliMUONDigitizerv1() |
d1775029 | 42 | { |
cf286af7 | 43 | // Default ctor - don't use it |
d1775029 | 44 | } |
45 | ||
46 | //___________________________________________ | |
cf286af7 | 47 | AliMUONDigitizerv2::AliMUONDigitizerv2(AliRunDigitizer* manager) : AliMUONDigitizerv1(manager) |
d1775029 | 48 | { |
cf286af7 | 49 | // ctor which should be used |
d1775029 | 50 | } |
51 | ||
8789635b | 52 | //___________________________________________ |
53 | AliMUONDigitizerv2::~AliMUONDigitizerv2() | |
54 | { | |
55 | // Destructor | |
56 | } | |
57 | ||
cf286af7 | 58 | //----------------------------------------------------------------------- |
59 | void AliMUONDigitizerv2::GenerateTransientDigits() | |
d1775029 | 60 | { |
cf286af7 | 61 | // Loop over all chambers and s-digits in the input stream and create |
62 | // AliMUONTransientDigit objects from them. These are then added to fTDList. | |
d1775029 | 63 | |
cf286af7 | 64 | if (GetDebug() > 1) |
65 | Info("GenerateTransientDigits", "Generating transient digits using treeH = 0x%X"); | |
d1775029 | 66 | |
cf286af7 | 67 | // |
68 | // Loop over SDigits | |
69 | Int_t ndig, k; | |
70 | AliMUONDigit* sDigit; | |
71 | TClonesArray* muonSDigits; | |
72 | for (Int_t ich = 0; ich < AliMUONConstants::NCh(); ich++) // loop over chamber | |
73 | { | |
30178c30 | 74 | fMUONData->ResetSDigits(); |
75 | fMUONData->GetCathodeS(0); | |
76 | muonSDigits = fMUONData->SDigits(ich); | |
cf286af7 | 77 | ndig = muonSDigits->GetEntriesFast(); |
78 | for (k = 0; k < ndig; k++) | |
79 | { | |
80 | sDigit = (AliMUONDigit*) muonSDigits->UncheckedAt(k); | |
81 | MakeTransientDigitFromSDigit(ich,sDigit); | |
82 | } | |
30178c30 | 83 | fMUONData->ResetSDigits(); |
84 | fMUONData->GetCathodeS(1); | |
85 | muonSDigits = fMUONData->SDigits(ich); | |
cf286af7 | 86 | ndig=muonSDigits->GetEntriesFast(); |
87 | for (k = 0; k < ndig; k++) | |
88 | { | |
89 | sDigit = (AliMUONDigit*) muonSDigits->UncheckedAt(k); | |
90 | MakeTransientDigitFromSDigit(ich,sDigit); | |
91 | }; | |
92 | } // SDigits loop, end loop over chamber | |
93 | }; | |
d1775029 | 94 | |
95 | //------------------------------------------------------------------------ | |
cf286af7 | 96 | void AliMUONDigitizerv2::MakeTransientDigitFromSDigit(Int_t iChamber, AliMUONDigit* sDigit) |
d1775029 | 97 | { |
cf286af7 | 98 | // Makes a transient digit from the specified s-digit from the specified chamber. |
99 | // Once the digit is created it is added to the fTDList. | |
d1775029 | 100 | |
cf286af7 | 101 | if (GetDebug() > 3) |
102 | Info("MakeTransientDigitFromSDigit", | |
103 | "Making transient digit from s-digit for chamber %d.", iChamber); | |
104 | ||
105 | Int_t digits[6]; | |
106 | // | |
107 | // Creating a new TransientDigits from SDigit | |
108 | digits[0] = sDigit->PadX(); // Padx of the Digit | |
109 | digits[1] = sDigit->PadY(); // Pady of the Digit | |
110 | digits[2] = sDigit->Cathode()+1; // Cathode plane | |
111 | digits[3] = sDigit->Signal(); // Induced charge in the Pad | |
112 | if (fSignal) | |
113 | digits[4] = sDigit->Signal(); | |
114 | else | |
115 | digits[4] = 0; | |
116 | ||
117 | digits[5] = sDigit->Hit(); // Hit number in the list | |
118 | ||
119 | if (GetDebug() > 4) | |
120 | Info("MakeTransientDigitFromSDigit", | |
121 | "Made digit from sDigit 0x%X: PadX %d\tPadY %d\tPlane %d\tCharge %d\tHit %d", | |
122 | (void*)sDigit, digits[0], digits[1], digits[2], digits[3], digits[5]); | |
123 | ||
124 | AliMUONTransientDigit* mTD = new AliMUONTransientDigit(iChamber, digits); | |
125 | // Copy list of tracks and trackcharge | |
126 | for(Int_t itrack = 0; itrack < kMAXTRACKS; itrack++) | |
127 | { | |
128 | Int_t track = sDigit->Track(itrack); | |
129 | if (track < 0) break; // Check if we reached the end of the track list. | |
130 | mTD->AddToTrackList( track + fMask, sDigit->TrackCharge(itrack) ); | |
131 | }; | |
132 | ||
133 | OnCreateTransientDigit(mTD, sDigit); | |
134 | AddOrUpdateTransientDigit(mTD); | |
135 | }; | |
d1775029 | 136 | |
137 | //------------------------------------------------------------------------ | |
cf286af7 | 138 | void AliMUONDigitizerv2::AddDigit(Int_t chamber, Int_t tracks[kMAXTRACKS], Int_t charges[kMAXTRACKS], Int_t digits[6]) |
d1775029 | 139 | { |
cf286af7 | 140 | // Override to add new digits to the digits tree TreeD. |
30178c30 | 141 | fMUONData->AddDigit(chamber, tracks, charges, digits); |
cf286af7 | 142 | }; |
d1775029 | 143 | |
cf286af7 | 144 | //------------------------------------------------------------------------ |
145 | Bool_t AliMUONDigitizerv2::InitInputData(AliMUONLoader* muonloader) | |
d1775029 | 146 | { |
30178c30 | 147 | // Overridden to initialize fMUONData to read from the s-digits tree TreeS. |
cf286af7 | 148 | // If the s-digits are not loaded then the muon loader is used to load the |
149 | // s-digits into memory. | |
d1775029 | 150 | |
cf286af7 | 151 | if (GetDebug() > 2) |
152 | Info("InitInputData", "Loading s-digits in READ mode and setting the tree address."); | |
d1775029 | 153 | |
30178c30 | 154 | fMUONData->SetLoader(muonloader); |
d1775029 | 155 | |
cf286af7 | 156 | if (muonloader->TreeS() == NULL) |
157 | { | |
158 | muonloader->LoadSDigits("READ"); | |
159 | if (muonloader->TreeS() == NULL) | |
160 | { | |
161 | Error("InitInputData", "Can not load the s-digits tree."); | |
162 | return kFALSE; | |
163 | }; | |
164 | }; | |
be42eafc | 165 | |
30178c30 | 166 | fMUONData->SetTreeAddress("S"); |
cf286af7 | 167 | return kTRUE; |
168 | }; | |
169 | ||
d1775029 | 170 | //------------------------------------------------------------------------ |
cf286af7 | 171 | void AliMUONDigitizerv2::CleanupInputData(AliMUONLoader* muonloader) |
d1775029 | 172 | { |
cf286af7 | 173 | // Overridden to release and unload s-digits from memory. |
174 | ||
175 | if (GetDebug() > 2) Info("CleanupInputData", "Releasing loaded s-digits."); | |
30178c30 | 176 | fMUONData->ResetSDigits(); |
cf286af7 | 177 | muonloader->UnloadSDigits(); |
178 | }; |