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Added taa, participants and almonds for AuAu.
[u/mrichter/AliRoot.git] / MUON / AliMUONMerger.cxx
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66f93042 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
88cb7938 16/* $Id$ */
ba030c0e 17
88cb7938 18#include <Riostream.h>
19#include <TTree.h>
116cbefd 20#include <TObjArray.h>
88cb7938 21#include <TFile.h>
22#include <TDirectory.h>
116cbefd 23#include <TPDGCode.h>
66f93042 24
66f93042 25#include "AliHitMap.h"
66f93042 26#include "AliMUON.h"
116cbefd 27#include "AliMUONChamber.h"
28#include "AliMUONConstants.h"
29#include "AliMUONDigit.h"
66f93042 30#include "AliMUONHit.h"
116cbefd 31#include "AliMUONHitMapA1.h"
32#include "AliMUONMerger.h"
66f93042 33#include "AliMUONPadHit.h"
66f93042 34#include "AliMUONTransientDigit.h"
35#include "AliRun.h"
66f93042 36
37ClassImp(AliMUONMerger)
38
39//___________________________________________
40AliMUONMerger::AliMUONMerger()
41{
42// Default constructor
43 fEvNrSig = 0;
44 fEvNrBgr = 0;
45 fMerge = kDigitize;
46 fFnBgr = 0;
47 fHitMap = 0;
48 fList = 0;
49 fTrH1 = 0;
50 fHitsBgr = 0;
51 fPadHitsBgr = 0;
52 fHitMap = 0;
53 fList = 0;
77ccf5b0 54 fBgrFile = 0;
ba030c0e 55 fDebug = 0;
66f93042 56}
57
58//------------------------------------------------------------------------
59AliMUONMerger::~AliMUONMerger()
60{
61// Destructor
62 if (fTrH1) delete fTrH1;
63 if (fHitsBgr) delete fHitsBgr;
64 if (fPadHitsBgr) delete fPadHitsBgr;
3ec837bb 65 if (fHitMap) delete [] fHitMap;
66f93042 66 if (fList) delete fList;
77ccf5b0 67 if (fBgrFile) delete fBgrFile;
66f93042 68}
69
70//------------------------------------------------------------------------
c7955c78 71Bool_t AliMUONMerger::Exists(const AliMUONPadHit *padhit) const
66f93042 72{
3ec837bb 73// test if the given padhit was already fired
66f93042 74 return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY()));
75}
76
77//------------------------------------------------------------------------
8f36c696 78void AliMUONMerger::Update(AliMUONPadHit *padhit)
66f93042 79{
3ec837bb 80// add new contribution to the fired padhit
8f36c696 81 AliMUONTransientDigit *pdigit =
82 static_cast<AliMUONTransientDigit*>(
83 fHitMap[fNch]->GetHit(padhit->PadX(),padhit->PadY()));
66f93042 84
66f93042 85 // update charge
86 //
8f36c696 87 Int_t iqpad = padhit->QPad(); // charge per pad
88 pdigit->AddSignal(iqpad);
89 pdigit->AddPhysicsSignal(iqpad);
90
66f93042 91 // update list of tracks
92 //
3351e14b 93 Int_t track, charge;
8f36c696 94 if (fSignal) {
95 track = fTrack;
96 charge = iqpad;
66f93042 97 } else {
8f36c696 98 track = kBgTag;
99 charge = kBgTag;
66f93042 100 }
8f36c696 101 pdigit->UpdateTrackList(track,charge);
66f93042 102}
103
104//------------------------------------------------------------------------
8f36c696 105void AliMUONMerger::CreateNew(AliMUONPadHit *padhit)
66f93042 106{
3ec837bb 107// add new transient digit to the list, update hit map
66f93042 108 fList->AddAtAndExpand(
109 new AliMUONTransientDigit(fNch,fDigits),fCounter);
8f36c696 110 fHitMap[fNch]->SetHit(padhit->PadX(),padhit->PadY(),fCounter);
111 AliMUONTransientDigit* pdigit =
c7955c78 112 static_cast<AliMUONTransientDigit*>(fList->Last());
66f93042 113 // list of tracks
8f36c696 114 Int_t track, charge;
115 if (fSignal) {
116 track = fTrack;
117 charge = padhit->QPad();
118 } else {
119 track = kBgTag;
120 charge = kBgTag;
121 }
122 pdigit->AddToTrackList(track,charge);
123 fCounter++;
66f93042 124}
125
126
127//------------------------------------------------------------------------
128void AliMUONMerger::Init()
129{
130// Initialisation
77ccf5b0 131 // open only once the background file !!
132 if (fMerge && !fBgrFile) fBgrFile = InitBgr();
66f93042 133}
134
135
136
137//------------------------------------------------------------------------
138TFile* AliMUONMerger::InitBgr()
139{
140// Initialise background event
141 TFile *file = new TFile(fFnBgr);
142// add error checking later
143 printf("\n AliMUONMerger has opened %s file with background event \n", fFnBgr);
144 fHitsBgr = new TClonesArray("AliMUONHit",1000);
145 fPadHitsBgr = new TClonesArray("AliMUONPadHit",1000);
146 return file;
147}
148
149//------------------------------------------------------------------------
150void AliMUONMerger::Digitise()
151{
152
153 // keep galice.root for signal and name differently the file for
154 // background when add! otherwise the track info for signal will be lost !
ce3f5e87 155 // Obsolete sep 2003 Gines MARTINEZ
156 // AliMUONChamber* iChamber;
157// AliSegmentation* segmentation;
158
159// fList = new TObjArray;
160
161// AliMUON *pMUON = (AliMUON *) gAlice->GetModule("MUON");
162// fHitMap= new AliHitMap* [AliMUONConstants::NCh()];
163// if (fMerge ) {
164// fBgrFile->cd();
165// //
166// // Get Hits Tree header from file
167// //if(fHitsBgr) fHitsBgr->Clear(); // Useless because line 327
168// //if(fPadHitsBgr) fPadHitsBgr->Clear(); // Useless because line 328
169// if(fTrH1) delete fTrH1;
170// fTrH1 = 0;
66f93042 171
ce3f5e87 172// char treeName[20];
173// sprintf(treeName,"TreeH%d",fEvNrBgr);
174// fTrH1 = (TTree*)gDirectory->Get(treeName);
175// if (!fTrH1) {
176// printf("ERROR: cannot find Hits Tree for event:%d\n",fEvNrBgr);
177// }
178// //
179// // Set branch addresses
180// TBranch *branch;
181// char branchname[20];
182// sprintf(branchname,"%s",pMUON->GetName());
183// if (fTrH1 && fHitsBgr) {
184// branch = fTrH1->GetBranch(branchname);
185// if (branch) branch->SetAddress(&fHitsBgr);
186// }
187// if (fTrH1 && fPadHitsBgr) {
188// branch = fTrH1->GetBranch("MUONCluster");
189// if (branch) branch->SetAddress(&fPadHitsBgr);
190// }
191// }
192// //
193// // loop over cathodes
194// //
195// fSignal = kTRUE;
196// for (int icat = 0; icat < 2; icat++) {
197// fCounter = 0;
198// for (Int_t i = 0; i < AliMUONConstants::NCh(); i++) {
199// iChamber = &(pMUON->Chamber(i));
200// if (iChamber->Nsec() == 1 && icat == 1) {
201// continue;
202// } else {
203// segmentation = iChamber->SegmentationModel(icat+1);
204// }
205// fHitMap[i] = new AliMUONHitMapA1(segmentation, fList);
206// }
207
208// //
209// // Loop over tracks
210// //
211
212// /******************************************************************/
213// TTree* treeH = pMUON->TreeH();
214// if (treeH == 0x0)
215// {
216// cerr<<"AliMUONMerger::Exec: Can not get TreeH"<<endl;
217// return;
218// }
219// /******************************************************************/
88cb7938 220
221
222
ce3f5e87 223// Int_t ntracks = (Int_t) treeH->GetEntries();
224// treeH->SetBranchStatus("*",0); // switch off all branches
225// treeH->SetBranchStatus("MUON*",1); // switch on only MUON
226
227// for (fTrack = 0; fTrack < ntracks; fTrack++) {
228// gAlice->ResetHits();
229// treeH->GetEntry(fTrack,0);
230// //
231// // Loop over hits
232// for(AliMUONHit* mHit = (AliMUONHit*)pMUON->FirstHit(-1);
233// mHit;
234// mHit = (AliMUONHit*)pMUON->NextHit())
235// {
236// fNch = mHit->Chamber()-1; // chamber number
237// if (fNch > AliMUONConstants::NCh()-1) continue;
238// iChamber = &(pMUON->Chamber(fNch));
66f93042 239
ce3f5e87 240// //
241// // Loop over pad hits
242// for (AliMUONPadHit* mPad =
243// (AliMUONPadHit*)pMUON->FirstPad(mHit,pMUON->PadHits());
244// mPad;
245// mPad = (AliMUONPadHit*)pMUON->NextPad(pMUON->PadHits()))
246// {
247// Int_t cathode = mPad->Cathode(); // cathode number
248// if (cathode != (icat+1)) continue;
249// Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
250// // segmentation = iChamber->SegmentationModel(cathode);
251// fDigits[0] = mPad->PadX();
252// fDigits[1] = mPad->PadY();
253// if (!(fHitMap[fNch]->ValidateHit(fDigits[0], fDigits[1]))) continue;
254// fDigits[2] = icat;
255// fDigits[3] = iqpad;
256// fDigits[4] = iqpad;
257// if (mHit->Particle() == kMuonPlus ||
258// mHit->Particle() == kMuonMinus) {
259// fDigits[5] = mPad->HitNumber();
260// } else fDigits[5] = -1;
261
262// // build the list of fired pads and update the info
263
264// if (!Exists(mPad)) {
265// CreateNew(mPad);
266// } else {
267// Update(mPad);
268// } // end if pdigit
269// } //end loop over clusters
270// } // hit loop
271// } // track loop
272
273// // open the file with background
66f93042 274
ce3f5e87 275// if (fMerge) {
276// fSignal = kFALSE;
277// ntracks = (Int_t)fTrH1->GetEntries();
278// //
279// // Loop over tracks
280// //
281// for (fTrack = 0; fTrack < ntracks; fTrack++) {
282
283// if (fHitsBgr) fHitsBgr->Clear();
284// if (fPadHitsBgr) fPadHitsBgr->Clear();
285
286// fTrH1->GetEvent(fTrack);
287// //
288// // Loop over hits
289// AliMUONHit* mHit;
290// for(Int_t i = 0; i < fHitsBgr->GetEntriesFast(); ++i)
291// {
292// mHit = (AliMUONHit*) (*fHitsBgr)[i];
293// fNch = mHit->Chamber()-1; // chamber number
294// iChamber = &(pMUON->Chamber(fNch));
295// //
296// // Loop over pad hits
297// for (AliMUONPadHit* mPad =
298// (AliMUONPadHit*)pMUON->FirstPad(mHit,fPadHitsBgr);
299// mPad;
300// mPad = (AliMUONPadHit*)pMUON->NextPad(fPadHitsBgr))
301// {
302// Int_t cathode = mPad->Cathode(); // cathode number
303// Int_t ipx = mPad->PadX(); // pad number on X
304// Int_t ipy = mPad->PadY(); // pad number on Y
305// Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
306// if (!(fHitMap[fNch]->ValidateHit(ipx, ipy))) continue;
307
308// if (cathode != (icat+1)) continue;
309// fDigits[0] = ipx;
310// fDigits[1] = ipy;
311// fDigits[2] = icat;
312// fDigits[3] = iqpad;
313// fDigits[4] = 0;
314// fDigits[5] = -1;
66f93042 315
ce3f5e87 316// // build the list of fired pads and update the info
317// if (!Exists(mPad)) {
318// CreateNew(mPad);
319// } else {
320// Update(mPad);
321// } // end if !Exists
322// } //end loop over clusters
323// } // hit loop
324// } // track loop
325
326// TTree *treeK = gAlice->TreeK();
327// TFile *file = NULL;
66f93042 328
ce3f5e87 329// if (treeK) file = treeK->GetCurrentFile();
330// file->cd();
331// } // if fMerge
66f93042 332
ce3f5e87 333// Int_t tracks[kMAXTRACKS];
334// Int_t charges[kMAXTRACKS];
335// Int_t nentries = fList->GetEntriesFast();
66f93042 336
ce3f5e87 337// for (Int_t nent = 0; nent < nentries; nent++) {
338// AliMUONTransientDigit *address = (AliMUONTransientDigit*)fList->At(nent);
339// if (address == 0) continue;
340// Int_t ich = address->Chamber();
341// Int_t q = address->Signal();
342// iChamber = &(pMUON->Chamber(ich));
343// //
344// // Digit Response (noise, threshold, saturation, ...)
345// AliMUONResponse * response = iChamber->ResponseModel();
346// q = response->DigitResponse(q,address);
66f93042 347
ce3f5e87 348// if (!q) continue;
66f93042 349
ce3f5e87 350// fDigits[0] = address->PadX();
351// fDigits[1] = address->PadY();
352// fDigits[2] = address->Cathode();
353// fDigits[3] = q;
354// fDigits[4] = address->Physics();
355// fDigits[5] = address->Hit();
66f93042 356
ce3f5e87 357// Int_t nptracks = address->GetNTracks();
358
359// if (nptracks > kMAXTRACKS) {
360// if (fDebug>0)
361// printf("\n Attention - nptracks > kMAXTRACKS %d \n", nptracks);
362// nptracks = kMAXTRACKS;
363// }
364// if (nptracks > 2) {
365// if (fDebug>0) {
366// printf("Attention - nptracks > 2 %d \n",nptracks);
367// printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,fDigits[0],fDigits[1],q);
368// }
369// }
370// for (Int_t tr = 0; tr < nptracks; tr++) {
371// tracks[tr] = address->GetTrack(tr);
372// charges[tr] = address->GetCharge(tr);
373// } //end loop over list of tracks for one pad
374// // Sort list of tracks according to charge
375// if (nptracks > 1) {
376// SortTracks(tracks,charges,nptracks);
377// }
378// if (nptracks < kMAXTRACKS ) {
379// for (Int_t i = nptracks; i < kMAXTRACKS; i++) {
380// tracks[i] = 0;
381// charges[i] = 0;
382// }
383// }
66f93042 384
ce3f5e87 385// // fill digits
386// pMUON->AddDigits(ich,tracks,charges,fDigits);
387// }
388// gAlice->TreeD()->Fill();
389// pMUON->ResetDigits();
390// fList->Delete();
66f93042 391
392
ce3f5e87 393// for(Int_t ii = 0; ii < AliMUONConstants::NCh(); ++ii) {
394// if (fHitMap[ii]) {
395// delete fHitMap[ii];
396// fHitMap[ii] = 0;
397// }
398// }
399// } //end loop over cathodes
400// delete [] fHitMap;
401// delete fList;
66f93042 402
77ccf5b0 403// no need to delete ... and it makes a crash also
404// if (fHitsBgr) fHitsBgr->Delete();
405// if (fPadHitsBgr) fPadHitsBgr->Delete();
66f93042 406 // gObjectTable->Print();
407}
408
409
410
a3f472a9 411void AliMUONMerger::SortTracks(Int_t *tracks,Int_t *charges,Int_t ntr)
412{
413 //
414 // Sort the list of tracks contributing to a given digit
415 // Only the 3 most significant tracks are acctually sorted
416 //
417
418 //
419 // Loop over signals, only 3 times
420 //
421
422 Int_t qmax;
423 Int_t jmax;
424 Int_t idx[3] = {-2,-2,-2};
425 Int_t jch[3] = {-2,-2,-2};
426 Int_t jtr[3] = {-2,-2,-2};
427 Int_t i,j,imax;
428
429 if (ntr<3) imax=ntr;
430 else imax=3;
431 for(i=0;i<imax;i++){
432 qmax=0;
433 jmax=0;
434
435 for(j=0;j<ntr;j++){
436
437 if((i == 1 && j == idx[i-1])
438 ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue;
439
440 if(charges[j] > qmax) {
441 qmax = charges[j];
442 jmax=j;
443 }
444 }
445
446 if(qmax > 0) {
447 idx[i]=jmax;
448 jch[i]=charges[jmax];
449 jtr[i]=tracks[jmax];
450 }
451
452 }
453
454 for(i=0;i<3;i++){
455 if (jtr[i] == -2) {
456 charges[i]=0;
457 tracks[i]=0;
458 } else {
459 charges[i]=jch[i];
460 tracks[i]=jtr[i];
461 }
462 }
463}
464
66f93042 465
466