]>
Commit | Line | Data |
---|---|---|
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 | /* $Id$ */ | |
cf286af7 | 17 | |
18 | ///////////////////////////////////////////////////////////////////////////////// | |
19 | // | |
20 | // AliMUONSDigitizerv1 digitizes hits from the input stream into s-digits. | |
21 | // The s-digits are written to the s-digit tree TreeS. | |
22 | // The same algorithm is implemented as for AliMUONDigitizerv1 however the | |
23 | // chamber response is not applied to the s-digits and we write to TreeS and | |
24 | // not TreeD. | |
25 | // | |
26 | ///////////////////////////////////////////////////////////////////////////////// | |
d1775029 | 27 | |
30178c30 | 28 | #include "AliMUONSDigitizerv1.h" |
38169520 | 29 | #include "AliMUON.h" |
30178c30 | 30 | #include "AliMUONLoader.h" |
38169520 | 31 | #include "AliMUONConstants.h" |
32 | #include "AliMUONChamber.h" | |
30178c30 | 33 | #include "AliMUONData.h" |
34 | #include "AliMUONDigit.h" | |
38169520 | 35 | #include "AliMUONHit.h" |
30178c30 | 36 | #include "AliMUONTransientDigit.h" |
8c343c7c | 37 | #include "AliLog.h" |
30178c30 | 38 | |
d1775029 | 39 | ClassImp(AliMUONSDigitizerv1) |
40 | ||
41 | //___________________________________________ | |
30178c30 | 42 | AliMUONSDigitizerv1::AliMUONSDigitizerv1() |
38169520 | 43 | : AliMUONDigitizer() |
d1775029 | 44 | { |
cf286af7 | 45 | // Default ctor - don't use it |
d1775029 | 46 | } |
47 | ||
cf286af7 | 48 | //___________________________________________ |
30178c30 | 49 | AliMUONSDigitizerv1::AliMUONSDigitizerv1(AliRunDigitizer* manager) |
38169520 | 50 | : AliMUONDigitizer(manager) |
d1775029 | 51 | { |
cf286af7 | 52 | // ctor which should be used |
d1775029 | 53 | } |
54 | ||
8789635b | 55 | //___________________________________________ |
56 | AliMUONSDigitizerv1::~AliMUONSDigitizerv1() | |
57 | { | |
58 | // Destructor | |
59 | } | |
60 | ||
38169520 | 61 | //----------------------------------------------------------------------- |
62 | void AliMUONSDigitizerv1::GenerateTransientDigits() | |
63 | { | |
64 | // Loops over all tracks and hits in the current selected event and calls | |
65 | // MakeTransientDigitsFromHit for each hit. | |
66 | // Note: Charge correlation is applied to the tracking chambers. | |
67 | ||
68 | TTree* treeH = fGime->TreeH(); | |
69 | AliDebug(2, Form("Generating transient digits using treeH = 0x%X" | |
70 | , (void*)treeH)); | |
71 | // | |
72 | // Loop over tracks | |
73 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
74 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
75 | { | |
76 | AliDebug(3, Form("Processing track %d...", itrack)); | |
77 | fMUONData->ResetHits(); | |
78 | treeH->GetEvent(itrack); | |
79 | // | |
80 | // Loop over hits | |
81 | TClonesArray* hits = fMUONData->Hits(); | |
82 | for (Int_t ihit = 0; ihit < hits->GetEntriesFast(); ihit++) | |
83 | { | |
84 | AliMUONHit* mHit = static_cast<AliMUONHit*>( hits->At(ihit) ); | |
85 | Int_t ichamber = mHit->Chamber()-1; // chamber number | |
86 | if (ichamber > AliMUONConstants::NCh()-1) | |
87 | { | |
88 | AliError(Form("Hit 0x%X has a invalid chamber number: %d", ichamber)); | |
89 | continue; | |
90 | } | |
91 | // | |
92 | //Dumping Hit content: | |
93 | AliDebug(3,Form("Hit %d: chamber = %d\tX = %f\tY = %f\tZ = %f\teloss = %f", | |
94 | ihit, mHit->Chamber(), mHit->X(), mHit->Y(), mHit->Z(), mHit->Eloss() | |
95 | )); | |
96 | // | |
97 | // Inititializing Correlation | |
98 | AliMUONChamber& chamber = fMUON->Chamber(ichamber); | |
99 | chamber.ChargeCorrelationInit(); | |
190f97ea | 100 | // if (ichamber < AliMUONConstants::NTrackingCh()) |
101 | // { | |
102 | // // Tracking Chamber | |
103 | // // Initialize hit position (cursor) in the segmentation model | |
002920d1 | 104 | |
190f97ea | 105 | // chamber.SigGenInit(mHit); |
38169520 | 106 | |
190f97ea | 107 | // } // else do nothing for Trigger Chambers |
38169520 | 108 | |
109 | MakeTransientDigitsFromHit(itrack, ihit, mHit); | |
110 | } // hit loop | |
111 | } // track loop | |
112 | } | |
113 | ||
114 | //-------------------------------------------------------------------------- | |
115 | void AliMUONSDigitizerv1::MakeTransientDigitsFromHit(Int_t track, Int_t iHit, AliMUONHit * mHit) | |
116 | { | |
117 | // This method is called for every hit in an event to generate AliMUONTransientDigits | |
118 | // from the hit and add these to fTDList. | |
119 | // The AliMUONChamber::DisIntegration method us used to figure out which pads are | |
120 | // fired for a given hit. We then loop over the fired pads and add an AliMUONTransientDigit | |
121 | // for each pad. | |
122 | ||
123 | AliDebug(4,Form("Making transient digit for hit number %d.", iHit)); | |
124 | ||
125 | // | |
126 | // Calls the charge disintegration method of the current chamber | |
127 | AliDebug(5,"Calling AliMUONChamber::DisIngtegration..."); | |
128 | ||
129 | Float_t newdigit[6][500]; // Pad information | |
130 | Int_t nnew=0; // Number of touched Pads per hit | |
131 | Int_t ichamber = mHit->Chamber()-1; | |
132 | AliMUONChamber& chamber = fMUON->Chamber(ichamber); | |
002920d1 | 133 | |
134 | chamber.DisIntegration(mHit, nnew, newdigit); | |
38169520 | 135 | |
136 | // Creating new TransientDigits from hit | |
137 | for(Int_t iTD = 0; iTD < nnew; iTD++) | |
138 | { | |
139 | Int_t charge; | |
140 | Int_t digits[7]; | |
141 | ||
142 | digits[0] = Int_t(newdigit[1][iTD]); // Padx of the Digit | |
143 | digits[1] = Int_t(newdigit[2][iTD]); // Pady of the Digit | |
144 | digits[2] = Int_t(newdigit[5][iTD]); // Cathode plane | |
145 | digits[3] = Int_t(newdigit[3][iTD]); // Induced charge in the Pad | |
146 | if (fSignal) | |
147 | { | |
148 | charge = digits[3]; | |
149 | digits[4] = Int_t(newdigit[3][iTD]); // Signal due to physics | |
150 | } | |
151 | else | |
152 | { | |
153 | charge = digits[3] + fMask; | |
154 | digits[4] = 0; // No signal due to physics since this is now background. | |
155 | } | |
156 | digits[5] = iHit+fMask; // Hit number in the list | |
002920d1 | 157 | digits[6] = mHit->DetElemId(); |
38169520 | 158 | |
159 | AliDebug(5,Form("MakeTransientDigitsFromHit", | |
160 | "DisIntegration result %d: PadX %d\tPadY %d\tPlane %d\tCharge %d\tHit %d\tidDE %d", | |
161 | iTD, digits[0], digits[1], digits[2], digits[3], digits[5], digits[6])); | |
162 | ||
163 | AliMUONTransientDigit* mTD = new AliMUONTransientDigit(ichamber, digits); | |
164 | mTD->AddToTrackList(track + fMask, charge); | |
165 | ||
166 | OnCreateTransientDigit(mTD, mHit); | |
167 | AddOrUpdateTransientDigit(mTD); | |
168 | } | |
169 | } | |
170 | ||
d1775029 | 171 | //------------------------------------------------------------------------ |
a713db22 | 172 | void AliMUONSDigitizerv1::AddDigit(Int_t chamber, Int_t tracks[kMAXTRACKS], Int_t charges[kMAXTRACKS], Int_t digits[7]) |
d1775029 | 173 | { |
cf286af7 | 174 | // Derived to write to the s-digit tree TreeS. |
d1775029 | 175 | |
30178c30 | 176 | fMUONData->AddSDigit(chamber, tracks, charges, digits); |
925e6570 | 177 | } |
d1775029 | 178 | |
179 | //------------------------------------------------------------------------ | |
cf286af7 | 180 | Int_t AliMUONSDigitizerv1::GetSignalFrom(AliMUONTransientDigit* td) |
d1775029 | 181 | { |
cf286af7 | 182 | // Returns the transient digit signal as is without applying the chamber response. |
8c343c7c | 183 | AliDebug(4,"Returning TransientDigit signal."); |
cf286af7 | 184 | return td->Signal(); |
925e6570 | 185 | } |
d1775029 | 186 | |
187 | //------------------------------------------------------------------------ | |
cf286af7 | 188 | Bool_t AliMUONSDigitizerv1::InitOutputData(AliMUONLoader* muonloader) |
d1775029 | 189 | { |
cf286af7 | 190 | // Overridden to initialise the output tree to be TreeS rather than TreeD. |
8c343c7c | 191 | AliDebug(3,"Creating s-digits branch and setting the tree address."); |
cf286af7 | 192 | |
30178c30 | 193 | fMUONData->SetLoader(muonloader); |
cf286af7 | 194 | |
195 | // New branch per chamber for MUON digit in the tree of digits | |
196 | if (muonloader->TreeS() == NULL) | |
197 | { | |
198 | muonloader->MakeSDigitsContainer(); | |
199 | if (muonloader->TreeS() == NULL) | |
200 | { | |
8c343c7c | 201 | AliError("Could not create TreeS."); |
cf286af7 | 202 | return kFALSE; |
925e6570 | 203 | } |
204 | } | |
cf286af7 | 205 | |
30178c30 | 206 | fMUONData->MakeBranch("S"); |
207 | fMUONData->SetTreeAddress("S"); | |
d1775029 | 208 | |
cf286af7 | 209 | return kTRUE; |
925e6570 | 210 | } |
d1775029 | 211 | |
cf286af7 | 212 | //------------------------------------------------------------------------ |
213 | void AliMUONSDigitizerv1::FillOutputData() | |
214 | { | |
215 | // Overridden to fill TreeS rather than TreeD. | |
d1775029 | 216 | |
8c343c7c | 217 | AliDebug(3,"Filling trees with s-digits."); |
30178c30 | 218 | fMUONData->Fill("S"); |
219 | fMUONData->ResetSDigits(); | |
925e6570 | 220 | } |
d1775029 | 221 | |
d1775029 | 222 | //------------------------------------------------------------------------ |
cf286af7 | 223 | void AliMUONSDigitizerv1::CleanupOutputData(AliMUONLoader* muonloader) |
d1775029 | 224 | { |
cf286af7 | 225 | // Overridden to write and then cleanup TreeS that was initialised in InitOutputData. |
8c343c7c | 226 | AliDebug(3,"Writing s-digits and releasing pointers."); |
cf286af7 | 227 | muonloader->WriteSDigits("OVERWRITE"); |
30178c30 | 228 | fMUONData->ResetSDigits(); |
cf286af7 | 229 | muonloader->UnloadSDigits(); |
925e6570 | 230 | } |
38169520 | 231 | |
232 | //------------------------------------------------------------------------ | |
233 | Bool_t AliMUONSDigitizerv1::InitInputData(AliMUONLoader* muonloader) | |
234 | { | |
235 | // Derived to initialise the input to read from TreeH the hits tree. | |
236 | // If the hits are not loaded then we load the hits using the muon loader. | |
237 | ||
238 | AliDebug(3, "Loading hits in READ mode and setting the tree address."); | |
239 | ||
240 | fMUONData->SetLoader(muonloader); | |
241 | ||
242 | if (muonloader->TreeH() == NULL) | |
243 | { | |
244 | muonloader->LoadHits("READ"); | |
245 | if (muonloader->TreeH() == NULL) | |
246 | { | |
247 | AliError("Can not load the hits tree."); | |
248 | return kFALSE; | |
249 | } | |
250 | } | |
251 | ||
252 | fMUONData->SetTreeAddress("H"); | |
253 | return kTRUE; | |
254 | } | |
255 | ||
256 | //------------------------------------------------------------------------ | |
257 | void AliMUONSDigitizerv1::CleanupInputData(AliMUONLoader* muonloader) | |
258 | { | |
259 | // Derived to release the loaded hits and unload them. | |
260 | ||
261 | AliDebug(3, "Releasing loaded hits."); | |
262 | fMUONData->ResetHits(); | |
263 | muonloader->UnloadHits(); | |
264 | } | |
265 |