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AliMUONMerger prototype to be called by the merge manager.
[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
16/*
17$Log$
18*/
19
20#include <TTree.h>
21#include <TVector.h>
22#include <TObjArray.h>
23#include <TFile.h>
24#include <TDirectory.h>
25
26
27// #include "AliMerger.h"
28// #include "AliMergable.h"
29#include "AliMUONMerger.h"
30#include "AliMUONConstants.h"
31#include "AliMUONChamber.h"
32#include "AliHitMap.h"
33#include "AliMUONHitMapA1.h"
34#include "AliMUON.h"
35#include "AliMUONHit.h"
36#include "AliMUONPadHit.h"
37#include "AliMUONDigit.h"
38#include "AliMUONTransientDigit.h"
39#include "AliRun.h"
40#include "AliPDG.h"
41
42ClassImp(AliMUONMerger)
43
44//___________________________________________
45AliMUONMerger::AliMUONMerger()
46{
47// Default constructor
48 fEvNrSig = 0;
49 fEvNrBgr = 0;
50 fMerge = kDigitize;
51 fFnBgr = 0;
52 fHitMap = 0;
53 fList = 0;
54 fTrH1 = 0;
55 fHitsBgr = 0;
56 fPadHitsBgr = 0;
57 fHitMap = 0;
58 fList = 0;
59 fTrList = 0;
60 fAddress = 0;
61}
62
63//------------------------------------------------------------------------
64AliMUONMerger::~AliMUONMerger()
65{
66// Destructor
67 if (fTrH1) delete fTrH1;
68 if (fHitsBgr) delete fHitsBgr;
69 if (fPadHitsBgr) delete fPadHitsBgr;
70 if (fHitMap) delete fHitMap;
71 if (fList) delete fList;
72 if (fTrList) delete fTrList;
73 if (fAddress) delete fAddress;
74}
75
76//------------------------------------------------------------------------
77Bool_t AliMUONMerger::Exists(const AliMUONPadHit *mergable)
78{
79 AliMUONPadHit *padhit = (AliMUONPadHit*) mergable;
80 return (fHitMap[fNch]->TestHit(padhit->PadX(),padhit->PadY()));
81}
82
83//------------------------------------------------------------------------
84void AliMUONMerger::Update(AliMUONPadHit *mergable)
85{
86 AliMUONPadHit *padhit = (AliMUONPadHit*) mergable;
87 AliMUONTransientDigit* pdigit;
88 Int_t ipx = padhit->PadX(); // pad number on X
89 Int_t ipy = padhit->PadY(); // pad number on Y
90 Int_t iqpad = Int_t(padhit->QPad()); // charge per pad
91
92 pdigit = (AliMUONTransientDigit*) fHitMap[fNch]->GetHit(ipx, ipy);
93 // update charge
94 //
95 (*pdigit).AddSignal(iqpad);
96 (*pdigit).AddPhysicsSignal(iqpad);
97 // update list of tracks
98 //
99 TObjArray* fTrList = (TObjArray*)pdigit->TrackList();
100 Int_t lastEntry = fTrList->GetLast();
101 TVector *pTrack = (TVector*)fTrList->At(lastEntry);
102 TVector &ptrk = *pTrack;
103 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
104 Int_t lastTrack = Int_t(ptrk(0));
105
106 if (trinfo(0) != kBgTag) {
107 if (lastTrack == fTrack) {
108 Int_t lastCharge = Int_t(ptrk(1));
109 lastCharge += iqpad;
110 fTrList->RemoveAt(lastEntry);
111 trinfo(1) = lastCharge;
112 fTrList->AddAt(&trinfo,lastEntry);
113 } else {
114 fTrList->Add(&trinfo);
115 }
116 } else {
117 if (lastTrack != -1) fTrList->Add(&trinfo);
118 }
119}
120
121//------------------------------------------------------------------------
122void AliMUONMerger::CreateNew(AliMUONPadHit *mergable)
123{
124 AliMUONPadHit *padhit = (AliMUONPadHit*) mergable;
125 AliMUONTransientDigit* pdigit;
126
127 Int_t ipx = padhit->PadX(); // pad number on X
128 Int_t ipy = padhit->PadY(); // pad number on Y
129 fList->AddAtAndExpand(
130 new AliMUONTransientDigit(fNch,fDigits),fCounter);
131 fHitMap[fNch]->SetHit(ipx, ipy, fCounter);
132 fCounter++;
133 pdigit = (AliMUONTransientDigit*)fList->At(fList->GetLast());
134 // list of tracks
135 TObjArray *fTrList = (TObjArray*)pdigit->TrackList();
136 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
137 fTrList->Add(&trinfo);
138}
139
140
141//------------------------------------------------------------------------
142void AliMUONMerger::Init()
143{
144// Initialisation
145
146 if (fMerge) fBgrFile = InitBgr();
147}
148
149
150
151//------------------------------------------------------------------------
152TFile* AliMUONMerger::InitBgr()
153{
154// Initialise background event
155 TFile *file = new TFile(fFnBgr);
156// add error checking later
157 printf("\n AliMUONMerger has opened %s file with background event \n", fFnBgr);
158 fHitsBgr = new TClonesArray("AliMUONHit",1000);
159 fPadHitsBgr = new TClonesArray("AliMUONPadHit",1000);
160 return file;
161}
162
163//------------------------------------------------------------------------
164void AliMUONMerger::Digitise()
165{
166
167 // keep galice.root for signal and name differently the file for
168 // background when add! otherwise the track info for signal will be lost !
169
170 AliMUONChamber* iChamber;
171 AliSegmentation* segmentation;
172
173 fList = new TObjArray;
174 if(!fAddress) fAddress = new TClonesArray("TVector",10000);
175
176 AliMUON *pMUON = (AliMUON *) gAlice->GetModule("MUON");
177 fHitMap= new AliHitMap* [AliMUONConstants::NCh()];
178 for (Int_t i = 0; i < AliMUONConstants::NCh(); i++) {fHitMap[i] = 0;}
179 if (fMerge ) {
180 fBgrFile->cd();
181 fBgrFile->ls();
182 //
183 // Get Hits Tree header from file
184 if(fHitsBgr) fHitsBgr->Clear();
185 if(fPadHitsBgr) fPadHitsBgr->Clear();
186 if(fTrH1) delete fTrH1;
187 fTrH1 = 0;
188
189 char treeName[20];
190 sprintf(treeName,"TreeH%d",fEvNrBgr);
191 fTrH1 = (TTree*)gDirectory->Get(treeName);
192 if (!fTrH1) {
193 printf("ERROR: cannot find Hits Tree for event:%d\n",fEvNrBgr);
194 }
195 //
196 // Set branch addresses
197 TBranch *branch;
198 char branchname[20];
199 sprintf(branchname,"%s",pMUON->GetName());
200 if (fTrH1 && fHitsBgr) {
201 branch = fTrH1->GetBranch(branchname);
202 if (branch) branch->SetAddress(&fHitsBgr);
203 }
204 if (fTrH1 && fPadHitsBgr) {
205 branch = fTrH1->GetBranch("MUONCluster");
206 if (branch) branch->SetAddress(&fPadHitsBgr);
207 }
208 }
209 //
210 // loop over cathodes
211 //
212 AliHitMap* hm;
213 fCountadr = 0;
214 for (int icat = 0; icat < 2; icat++) {
215 fCounter = 0;
216 Int_t * nmuon = new Int_t [AliMUONConstants::NCh()];
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 nmuon[i] = 0;
226 }
227
228//
229// Loop over tracks
230//
231
232 TTree *treeH = gAlice->TreeH();
233 Int_t ntracks = (Int_t) treeH->GetEntries();
234 Int_t jj;
235
236 Float_t ** xhit = new Float_t * [AliMUONConstants::NCh()];
237 for (jj = 0; jj < AliMUONConstants::NCh(); jj++) xhit[jj] = new Float_t[2];
238 Float_t ** yhit = new Float_t * [AliMUONConstants::NCh()];
239 for (jj = 0; jj < AliMUONConstants::NCh(); jj++) yhit[jj] = new Float_t[2];
240
241 for (fTrack = 0; fTrack < ntracks; fTrack++) {
242 gAlice->ResetHits();
243 treeH->GetEvent(fTrack);
244//
245// Loop over hits
246 for(AliMUONHit* mHit = (AliMUONHit*)pMUON->FirstHit(-1);
247 mHit;
248 mHit = (AliMUONHit*)pMUON->NextHit())
249 {
250 fNch = mHit->Chamber()-1; // chamber number
251 if (fNch > AliMUONConstants::NCh()-1) continue;
252 iChamber = &(pMUON->Chamber(fNch));
253 /*
254 if (fMerge) {
255 if (mHit->Particle() == kMuonPlus ||
256 mHit->Particle() == kMuonMinus) {
257 xhit[fNch][nmuon[fNch]] = mHit->X();
258 yhit[fNch][nmuon[fNch]] = mHit->Y();
259 nmuon[fNch]++;
260 if (nmuon[fNch] > 2) printf("MUON: nmuon %d\n",nmuon[fNch]);
261 }
262 }
263 */
264
265//
266// Loop over pad hits
267 for (AliMUONPadHit* mPad =
268 (AliMUONPadHit*)pMUON->FirstPad(mHit,pMUON->PadHits());
269 mPad;
270 mPad = (AliMUONPadHit*)pMUON->NextPad(pMUON->PadHits()))
271 {
272 Int_t cathode = mPad->Cathode(); // cathode number
273 Int_t ipx = mPad->PadX(); // pad number on X
274 Int_t ipy = mPad->PadY(); // pad number on Y
275 Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
276 if (cathode != (icat+1)) continue;
277
278 segmentation = iChamber->SegmentationModel(cathode);
279
280 new((*fAddress)[fCountadr++]) TVector(2);
281
282 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
283 trinfo(0) = (Float_t)fTrack;
284 trinfo(1) = (Float_t)iqpad;
285
286 fDigits[0] = ipx;
287 fDigits[1] = ipy;
288 fDigits[2] = icat;
289 fDigits[3] = iqpad;
290 fDigits[4] = iqpad;
291 if (mHit->Particle() == kMuonPlus ||
292 mHit->Particle() == kMuonMinus) {
293 fDigits[5] = mPad->HitNumber();
294 } else fDigits[5] = -1;
295
296 // build the list of fired pads and update the info
297
298 if (!Exists(mPad)) {
299 CreateNew(mPad);
300 } else {
301 Update(mPad);
302 } // end if pdigit
303 } //end loop over clusters
304 } // hit loop
305 } // track loop
306
307 // open the file with background
308
309 if (fMerge) {
310 ntracks = (Int_t)fTrH1->GetEntries();
311//
312// Loop over tracks
313//
314 for (fTrack = 0; fTrack < ntracks; fTrack++) {
315
316 if (fHitsBgr) fHitsBgr->Clear();
317 if (fPadHitsBgr) fPadHitsBgr->Clear();
318
319 fTrH1->GetEvent(fTrack);
320//
321// Loop over hits
322 AliMUONHit* mHit;
323 for(int i = 0; i < fHitsBgr->GetEntriesFast(); ++i)
324 {
325 mHit = (AliMUONHit*) (*fHitsBgr)[i];
326 fNch = mHit->Chamber()-1; // chamber number
327 iChamber = &(pMUON->Chamber(fNch));
328 Float_t xbgr = mHit->X();
329 Float_t ybgr = mHit->Y();
330 Bool_t cond = kFALSE;
331 /*
332 for (Int_t imuon = 0; imuon < nmuon[fNch]; imuon++) {
333 Float_t dist = (xbgr-xhit[fNch][imuon])*(xbgr-xhit[fNch][imuon])
334 +(ybgr-yhit[fNch][imuon])*(ybgr-yhit[fNch][imuon]);
335 if (dist < 100.) cond = kTRUE;
336 }
337 */
338 cond = kTRUE;
339//
340// Loop over pad hits
341 for (AliMUONPadHit* mPad =
342 (AliMUONPadHit*)pMUON->FirstPad(mHit,fPadHitsBgr);
343 mPad;
344 mPad = (AliMUONPadHit*)pMUON->NextPad(fPadHitsBgr))
345 {
346 Int_t cathode = mPad->Cathode(); // cathode number
347 Int_t ipx = mPad->PadX(); // pad number on X
348 Int_t ipy = mPad->PadY(); // pad number on Y
349 Int_t iqpad = Int_t(mPad->QPad()); // charge per pad
350
351 if (cathode != (icat+1)) continue;
352 new((*fAddress)[fCountadr++]) TVector(2);
353 TVector &trinfo = *((TVector*) (*fAddress)[fCountadr-1]);
354 trinfo(0) = kBgTag; // tag background
355 trinfo(1) = kBgTag;
356
357 fDigits[0] = ipx;
358 fDigits[1] = ipy;
359 fDigits[2] = icat;
360 fDigits[3] = iqpad;
361 fDigits[4] = 0;
362 fDigits[5] = -1;
363
364 // build the list of fired pads and update the info
365 if (!Exists(mPad)) {
366 CreateNew(mPad);
367 } else {
368 Update(mPad);
369 } // end if !Exists
370 } //end loop over clusters
371 } // hit loop
372 } // track loop
373
374 TTree *fAli = gAlice->TreeK();
375 TFile *file = NULL;
376
377 if (fAli) file = fAli->GetCurrentFile();
378 file->cd();
379 } // if fMerge
380 delete [] xhit;
381 delete [] yhit;
382
383 Int_t tracks[10];
384 Int_t charges[10];
385 Int_t nentries = fList->GetEntriesFast();
386
387 for (Int_t nent = 0; nent < nentries; nent++) {
388 AliMUONTransientDigit *address = (AliMUONTransientDigit*)fList->At(nent);
389 if (address == 0) continue;
390 Int_t ich = address->Chamber();
391 Int_t q = address->Signal();
392 iChamber = &(pMUON->Chamber(ich));
393//
394// Digit Response (noise, threshold, saturation, ...)
395 AliMUONResponse * response = iChamber->ResponseModel();
396 q = response->DigitResponse(q);
397
398 if (!q) continue;
399
400 fDigits[0] = address->PadX();
401 fDigits[1] = address->PadY();
402 fDigits[2] = address->Cathode();
403 fDigits[3] = q;
404 fDigits[4] = address->Physics();
405 fDigits[5] = address->Hit();
406
407 TObjArray* fTrList = (TObjArray*)address->TrackList();
408 Int_t nptracks = fTrList->GetEntriesFast();
409
410 // this was changed to accomodate the real number of tracks
411
412 if (nptracks > 10) {
413 printf("\n Attention - nptracks > 10 %d \n", nptracks);
414 nptracks = 10;
415 }
416 if (nptracks > 2) {
417 printf("Attention - nptracks > 2 %d \n",nptracks);
418 printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,fDigits[0],fDigits[1],q);
419 }
420 for (Int_t tr = 0; tr < nptracks; tr++) {
421 TVector *ppP = (TVector*)fTrList->At(tr);
422 if(!ppP ) printf("ppP - %p\n",ppP);
423 TVector &pp = *ppP;
424 tracks[tr] = Int_t(pp(0));
425 charges[tr] = Int_t(pp(1));
426 } //end loop over list of tracks for one pad
427 // Sort list of tracks according to charge
428 if (nptracks > 1) {
429 pMUON->SortTracks(tracks,charges,nptracks);
430 }
431 if (nptracks < 10 ) {
432 for (Int_t i = nptracks; i < 10; i++) {
433 tracks[i] = 0;
434 charges[i] = 0;
435 }
436 }
437
438 // fill digits
439 pMUON->AddDigits(ich,tracks,charges,fDigits);
440 // delete fTrList;
441 }
442 gAlice->TreeD()->Fill();
443 pMUON->ResetDigits();
444 fList->Delete();
445
446
447 for(Int_t ii = 0; ii < AliMUONConstants::NCh(); ++ii) {
448 if (fHitMap[ii]) {
449 hm=fHitMap[ii];
450 delete hm;
451 fHitMap[ii] = 0;
452 }
453 }
454 delete [] nmuon;
455 } //end loop over cathodes
456 delete [] fHitMap;
457 char hname[30];
458 sprintf(hname,"TreeD%d",fEvNrSig);
459 gAlice->TreeD()->Write(hname);
460 // reset tree
461 gAlice->TreeD()->Reset();
462 delete fList;
463
464 if (fAddress) fAddress->Delete();
465 if (fHitsBgr) fHitsBgr->Delete();
466 if (fPadHitsBgr) fPadHitsBgr->Delete();
467 // gObjectTable->Print();
468}
469
470
471
472
473