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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
116cbefd 18#include <TObjArray.h>
88cb7938 19#include <TFile.h>
30178c30 20#include <TError.h>
21//#include <TTree.h>
22//#include <TDirectory.h>
66f93042 23
116cbefd 24#include "AliMUONMerger.h"
30178c30 25#include "AliMUON.h"
66f93042 26#include "AliMUONPadHit.h"
66f93042 27#include "AliMUONTransientDigit.h"
30178c30 28#include "AliHitMap.h"
29//#include "AliMUONChamber.h"
30//#include "AliMUONConstants.h"
31//#include "AliMUONHit.h"
32//#include "AliMUONHitMapA1.h"
33//#include "AliRun.h"
c4a97bcd 34#include "AliLog.h"
66f93042 35
36ClassImp(AliMUONMerger)
37
11ca64ac 38//----------------------------------------------------------------------
c4a97bcd 39AliMUONMerger::AliMUONMerger(): TObject()
66f93042 40{
41// Default constructor
42 fEvNrSig = 0;
43 fEvNrBgr = 0;
44 fMerge = kDigitize;
45 fFnBgr = 0;
46 fHitMap = 0;
47 fList = 0;
48 fTrH1 = 0;
49 fHitsBgr = 0;
50 fPadHitsBgr = 0;
51 fHitMap = 0;
52 fList = 0;
77ccf5b0 53 fBgrFile = 0;
ba030c0e 54 fDebug = 0;
66f93042 55}
56
11ca64ac 57//----------------------------------------------------------------------
c4a97bcd 58AliMUONMerger::AliMUONMerger(const AliMUONMerger&): TObject()
11ca64ac 59{
60// Protected copy constructor
61
c4a97bcd 62 AliFatal("Not implemented.");
11ca64ac 63}
64
66f93042 65//------------------------------------------------------------------------
66AliMUONMerger::~AliMUONMerger()
67{
68// Destructor
69 if (fTrH1) delete fTrH1;
70 if (fHitsBgr) delete fHitsBgr;
71 if (fPadHitsBgr) delete fPadHitsBgr;
3ec837bb 72 if (fHitMap) delete [] fHitMap;
66f93042 73 if (fList) delete fList;
77ccf5b0 74 if (fBgrFile) delete fBgrFile;
66f93042 75}
76
11ca64ac 77//----------------------------------------------------------------------
78AliMUONMerger& AliMUONMerger::operator=(const AliMUONMerger& rhs)
79{
80// Protected assignement operator
81
82 if (this == &rhs) return *this;
83
c4a97bcd 84 AliFatal("Not implemented.");
11ca64ac 85
86 return *this;
87}
88
66f93042 89//------------------------------------------------------------------------
c7955c78 90Bool_t AliMUONMerger::Exists(const AliMUONPadHit *padhit) const
66f93042 91{
3ec837bb 92// test if the given padhit was already fired
66f93042 93 return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY()));
94}
95
96//------------------------------------------------------------------------
8f36c696 97void AliMUONMerger::Update(AliMUONPadHit *padhit)
66f93042 98{
3ec837bb 99// add new contribution to the fired padhit
8f36c696 100 AliMUONTransientDigit *pdigit =
101 static_cast<AliMUONTransientDigit*>(
102 fHitMap[fNch]->GetHit(padhit->PadX(),padhit->PadY()));
66f93042 103
66f93042 104 // update charge
105 //
8f36c696 106 Int_t iqpad = padhit->QPad(); // charge per pad
107 pdigit->AddSignal(iqpad);
108 pdigit->AddPhysicsSignal(iqpad);
109
66f93042 110 // update list of tracks
111 //
3351e14b 112 Int_t track, charge;
8f36c696 113 if (fSignal) {
114 track = fTrack;
115 charge = iqpad;
66f93042 116 } else {
8f36c696 117 track = kBgTag;
118 charge = kBgTag;
66f93042 119 }
8f36c696 120 pdigit->UpdateTrackList(track,charge);
66f93042 121}
122
123//------------------------------------------------------------------------
8f36c696 124void AliMUONMerger::CreateNew(AliMUONPadHit *padhit)
66f93042 125{
3ec837bb 126// add new transient digit to the list, update hit map
66f93042 127 fList->AddAtAndExpand(
128 new AliMUONTransientDigit(fNch,fDigits),fCounter);
8f36c696 129 fHitMap[fNch]->SetHit(padhit->PadX(),padhit->PadY(),fCounter);
130 AliMUONTransientDigit* pdigit =
c7955c78 131 static_cast<AliMUONTransientDigit*>(fList->Last());
66f93042 132 // list of tracks
8f36c696 133 Int_t track, charge;
134 if (fSignal) {
135 track = fTrack;
136 charge = padhit->QPad();
137 } else {
138 track = kBgTag;
139 charge = kBgTag;
140 }
141 pdigit->AddToTrackList(track,charge);
142 fCounter++;
66f93042 143}
144
145
146//------------------------------------------------------------------------
147void AliMUONMerger::Init()
148{
149// Initialisation
77ccf5b0 150 // open only once the background file !!
151 if (fMerge && !fBgrFile) fBgrFile = InitBgr();
66f93042 152}
153
154
155
156//------------------------------------------------------------------------
157TFile* AliMUONMerger::InitBgr()
158{
159// Initialise background event
160 TFile *file = new TFile(fFnBgr);
161// add error checking later
c4a97bcd 162 AliInfo(Form("\n AliMUONMerger has opened %s file with background event \n", fFnBgr));
66f93042 163 fHitsBgr = new TClonesArray("AliMUONHit",1000);
164 fPadHitsBgr = new TClonesArray("AliMUONPadHit",1000);
165 return file;
166}
167
168//------------------------------------------------------------------------
169void AliMUONMerger::Digitise()
170{
171
172 // keep galice.root for signal and name differently the file for
173 // background when add! otherwise the track info for signal will be lost !
ce3f5e87 174 // Obsolete sep 2003 Gines MARTINEZ
175 // AliMUONChamber* iChamber;
176// AliSegmentation* segmentation;
177
178// fList = new TObjArray;
179
180// AliMUON *pMUON = (AliMUON *) gAlice->GetModule("MUON");
181// fHitMap= new AliHitMap* [AliMUONConstants::NCh()];
182// if (fMerge ) {
183// fBgrFile->cd();
184// //
185// // Get Hits Tree header from file
186// //if(fHitsBgr) fHitsBgr->Clear(); // Useless because line 327
187// //if(fPadHitsBgr) fPadHitsBgr->Clear(); // Useless because line 328
188// if(fTrH1) delete fTrH1;
189// fTrH1 = 0;
66f93042 190
ce3f5e87 191// char treeName[20];
192// sprintf(treeName,"TreeH%d",fEvNrBgr);
193// fTrH1 = (TTree*)gDirectory->Get(treeName);
194// if (!fTrH1) {
195// printf("ERROR: cannot find Hits Tree for event:%d\n",fEvNrBgr);
196// }
197// //
198// // Set branch addresses
199// TBranch *branch;
200// char branchname[20];
201// sprintf(branchname,"%s",pMUON->GetName());
202// if (fTrH1 && fHitsBgr) {
203// branch = fTrH1->GetBranch(branchname);
204// if (branch) branch->SetAddress(&fHitsBgr);
205// }
206// if (fTrH1 && fPadHitsBgr) {
207// branch = fTrH1->GetBranch("MUONCluster");
208// if (branch) branch->SetAddress(&fPadHitsBgr);
209// }
210// }
211// //
212// // loop over cathodes
213// //
214// fSignal = kTRUE;
215// for (int icat = 0; icat < 2; icat++) {
216// fCounter = 0;
217// for (Int_t i = 0; i < AliMUONConstants::NCh(); i++) {
218// iChamber = &(pMUON->Chamber(i));
219// if (iChamber->Nsec() == 1 && icat == 1) {
220// continue;
221// } else {
222// segmentation = iChamber->SegmentationModel(icat+1);
223// }
224// fHitMap[i] = new AliMUONHitMapA1(segmentation, fList);
225// }
226
227// //
228// // Loop over tracks
229// //
230
231// /******************************************************************/
232// TTree* treeH = pMUON->TreeH();
233// if (treeH == 0x0)
234// {
235// cerr<<"AliMUONMerger::Exec: Can not get TreeH"<<endl;
236// return;
237// }
238// /******************************************************************/
88cb7938 239
240
241
ce3f5e87 242// Int_t ntracks = (Int_t) treeH->GetEntries();
243// treeH->SetBranchStatus("*",0); // switch off all branches
244// treeH->SetBranchStatus("MUON*",1); // switch on only MUON
245
246// for (fTrack = 0; fTrack < ntracks; fTrack++) {
247// gAlice->ResetHits();
248// treeH->GetEntry(fTrack,0);
249// //
250// // Loop over hits
251// for(AliMUONHit* mHit = (AliMUONHit*)pMUON->FirstHit(-1);
252// mHit;
253// mHit = (AliMUONHit*)pMUON->NextHit())
254// {
255// fNch = mHit->Chamber()-1; // chamber number
256// if (fNch > AliMUONConstants::NCh()-1) continue;
257// iChamber = &(pMUON->Chamber(fNch));
66f93042 258
ce3f5e87 259// //
260// // Loop over pad hits
261// for (AliMUONPadHit* mPad =
262// (AliMUONPadHit*)pMUON->FirstPad(mHit,pMUON->PadHits());
263// mPad;
264// mPad = (AliMUONPadHit*)pMUON->NextPad(pMUON->PadHits()))
265// {
266// Int_t cathode = mPad->Cathode(); // cathode number
267// if (cathode != (icat+1)) continue;
268// Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
269// // segmentation = iChamber->SegmentationModel(cathode);
270// fDigits[0] = mPad->PadX();
271// fDigits[1] = mPad->PadY();
272// if (!(fHitMap[fNch]->ValidateHit(fDigits[0], fDigits[1]))) continue;
273// fDigits[2] = icat;
274// fDigits[3] = iqpad;
275// fDigits[4] = iqpad;
276// if (mHit->Particle() == kMuonPlus ||
277// mHit->Particle() == kMuonMinus) {
278// fDigits[5] = mPad->HitNumber();
279// } else fDigits[5] = -1;
280
281// // build the list of fired pads and update the info
282
283// if (!Exists(mPad)) {
284// CreateNew(mPad);
285// } else {
286// Update(mPad);
287// } // end if pdigit
288// } //end loop over clusters
289// } // hit loop
290// } // track loop
291
292// // open the file with background
66f93042 293
ce3f5e87 294// if (fMerge) {
295// fSignal = kFALSE;
296// ntracks = (Int_t)fTrH1->GetEntries();
297// //
298// // Loop over tracks
299// //
300// for (fTrack = 0; fTrack < ntracks; fTrack++) {
301
302// if (fHitsBgr) fHitsBgr->Clear();
303// if (fPadHitsBgr) fPadHitsBgr->Clear();
304
305// fTrH1->GetEvent(fTrack);
306// //
307// // Loop over hits
308// AliMUONHit* mHit;
309// for(Int_t i = 0; i < fHitsBgr->GetEntriesFast(); ++i)
310// {
311// mHit = (AliMUONHit*) (*fHitsBgr)[i];
312// fNch = mHit->Chamber()-1; // chamber number
313// iChamber = &(pMUON->Chamber(fNch));
314// //
315// // Loop over pad hits
316// for (AliMUONPadHit* mPad =
317// (AliMUONPadHit*)pMUON->FirstPad(mHit,fPadHitsBgr);
318// mPad;
319// mPad = (AliMUONPadHit*)pMUON->NextPad(fPadHitsBgr))
320// {
321// Int_t cathode = mPad->Cathode(); // cathode number
322// Int_t ipx = mPad->PadX(); // pad number on X
323// Int_t ipy = mPad->PadY(); // pad number on Y
324// Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
325// if (!(fHitMap[fNch]->ValidateHit(ipx, ipy))) continue;
326
327// if (cathode != (icat+1)) continue;
328// fDigits[0] = ipx;
329// fDigits[1] = ipy;
330// fDigits[2] = icat;
331// fDigits[3] = iqpad;
332// fDigits[4] = 0;
333// fDigits[5] = -1;
66f93042 334
ce3f5e87 335// // build the list of fired pads and update the info
336// if (!Exists(mPad)) {
337// CreateNew(mPad);
338// } else {
339// Update(mPad);
340// } // end if !Exists
341// } //end loop over clusters
342// } // hit loop
343// } // track loop
344
345// TTree *treeK = gAlice->TreeK();
346// TFile *file = NULL;
66f93042 347
ce3f5e87 348// if (treeK) file = treeK->GetCurrentFile();
349// file->cd();
350// } // if fMerge
66f93042 351
ce3f5e87 352// Int_t tracks[kMAXTRACKS];
353// Int_t charges[kMAXTRACKS];
354// Int_t nentries = fList->GetEntriesFast();
66f93042 355
ce3f5e87 356// for (Int_t nent = 0; nent < nentries; nent++) {
357// AliMUONTransientDigit *address = (AliMUONTransientDigit*)fList->At(nent);
358// if (address == 0) continue;
359// Int_t ich = address->Chamber();
360// Int_t q = address->Signal();
361// iChamber = &(pMUON->Chamber(ich));
362// //
363// // Digit Response (noise, threshold, saturation, ...)
364// AliMUONResponse * response = iChamber->ResponseModel();
365// q = response->DigitResponse(q,address);
66f93042 366
ce3f5e87 367// if (!q) continue;
66f93042 368
ce3f5e87 369// fDigits[0] = address->PadX();
370// fDigits[1] = address->PadY();
371// fDigits[2] = address->Cathode();
372// fDigits[3] = q;
373// fDigits[4] = address->Physics();
374// fDigits[5] = address->Hit();
66f93042 375
ce3f5e87 376// Int_t nptracks = address->GetNTracks();
377
378// if (nptracks > kMAXTRACKS) {
379// if (fDebug>0)
380// printf("\n Attention - nptracks > kMAXTRACKS %d \n", nptracks);
381// nptracks = kMAXTRACKS;
382// }
383// if (nptracks > 2) {
384// if (fDebug>0) {
385// printf("Attention - nptracks > 2 %d \n",nptracks);
386// printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,fDigits[0],fDigits[1],q);
387// }
388// }
389// for (Int_t tr = 0; tr < nptracks; tr++) {
390// tracks[tr] = address->GetTrack(tr);
391// charges[tr] = address->GetCharge(tr);
392// } //end loop over list of tracks for one pad
393// // Sort list of tracks according to charge
394// if (nptracks > 1) {
395// SortTracks(tracks,charges,nptracks);
396// }
397// if (nptracks < kMAXTRACKS ) {
398// for (Int_t i = nptracks; i < kMAXTRACKS; i++) {
399// tracks[i] = 0;
400// charges[i] = 0;
401// }
402// }
66f93042 403
ce3f5e87 404// // fill digits
405// pMUON->AddDigits(ich,tracks,charges,fDigits);
406// }
407// gAlice->TreeD()->Fill();
408// pMUON->ResetDigits();
409// fList->Delete();
66f93042 410
411
ce3f5e87 412// for(Int_t ii = 0; ii < AliMUONConstants::NCh(); ++ii) {
413// if (fHitMap[ii]) {
414// delete fHitMap[ii];
415// fHitMap[ii] = 0;
416// }
417// }
418// } //end loop over cathodes
419// delete [] fHitMap;
420// delete fList;
66f93042 421
77ccf5b0 422// no need to delete ... and it makes a crash also
423// if (fHitsBgr) fHitsBgr->Delete();
424// if (fPadHitsBgr) fPadHitsBgr->Delete();
66f93042 425 // gObjectTable->Print();
426}
427
428
429
30178c30 430void AliMUONMerger::SortTracks(Int_t *tracks,Int_t *charges,Int_t ntr) const
a3f472a9 431{
432 //
433 // Sort the list of tracks contributing to a given digit
434 // Only the 3 most significant tracks are acctually sorted
435 //
436
437 //
438 // Loop over signals, only 3 times
439 //
440
441 Int_t qmax;
442 Int_t jmax;
443 Int_t idx[3] = {-2,-2,-2};
444 Int_t jch[3] = {-2,-2,-2};
445 Int_t jtr[3] = {-2,-2,-2};
446 Int_t i,j,imax;
447
448 if (ntr<3) imax=ntr;
449 else imax=3;
450 for(i=0;i<imax;i++){
451 qmax=0;
452 jmax=0;
453
454 for(j=0;j<ntr;j++){
455
456 if((i == 1 && j == idx[i-1])
457 ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue;
458
459 if(charges[j] > qmax) {
460 qmax = charges[j];
461 jmax=j;
462 }
463 }
464
465 if(qmax > 0) {
466 idx[i]=jmax;
467 jch[i]=charges[jmax];
468 jtr[i]=tracks[jmax];
469 }
470
471 }
472
473 for(i=0;i<3;i++){
474 if (jtr[i] == -2) {
475 charges[i]=0;
476 tracks[i]=0;
477 } else {
478 charges[i]=jch[i];
479 tracks[i]=jtr[i];
480 }
481 }
482}
483
66f93042 484
485