1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
19 ///////////////////////////////////////////////
20 // Manager and hits classes for set:MUON //
21 ////////////////////////////////////////////////
23 #include "Riostream.h"
28 #include <TDirectory.h>
30 #include <TGeometry.h>
34 #include <TObjArray.h>
36 #include <TObjectTable.h>
38 #include <TParticle.h>
41 #include <TRotMatrix.h>
46 #include <TVirtualMC.h>
49 #include "AliHeader.h"
50 #include "AliHitMap.h"
51 #include "AliLoader.h"
52 #include "AliMUONLoader.h"
54 #include "AliMUONChamberTrigger.h"
55 #include "AliMUONClusterFinderVS.h"
56 #include "AliMUONClusterInput.h"
57 #include "AliMUONConstants.h"
58 #include "AliMUONDigit.h"
59 #include "AliMUONGlobalTrigger.h"
60 #include "AliMUONHit.h"
61 #include "AliMUONHitMapA1.h"
62 #include "AliMUONLocalTrigger.h"
63 #include "AliMUONMerger.h"
64 #include "AliMUONPadHit.h"
65 #include "AliMUONRawCluster.h"
66 #include "AliMUONTransientDigit.h"
67 #include "AliMUONTriggerCircuit.h"
68 #include "AliMUONTriggerDecision.h"
72 // Defaults parameters for Z positions of chambers
73 // taken from values for "stations" in AliMUON::AliMUON
74 // const Float_t zch[7]={528, 690., 975., 1249., 1449., 1610, 1710.};
75 // and from array "dstation" in AliMUONv1::CreateGeometry
76 // Float_t dstation[5]={20., 20., 20, 20., 20.};
77 // for tracking chambers,
78 // according to (Z1 = zch - dstation) and (Z2 = zch + dstation)
79 // for the first and second chambers in the station, respectively,
80 // and from "DTPLANES" in AliMUONv1::CreateGeometry
81 // const Float_t DTPLANES = 15.;
82 // for trigger chambers,
83 // according to (Z1 = zch) and (Z2 = zch + DTPLANES)
84 // for the first and second chambers in the station, respectively
87 //__________________________________________________________________
90 // Default Constructor
103 //__________________________________________________________________
104 AliMUON::AliMUON(const char *name, const char *title)
105 : AliDetector(name,title)
109 <img src="gif/alimuon.gif">
115 fNCh = AliMUONConstants::NCh();
116 fNTrackingCh = AliMUONConstants::NTrackingCh();
118 SetMarkerColor(kRed);//
120 // Creating List of Chambers
122 fChambers = new TObjArray(AliMUONConstants::NCh());
123 // Loop over stations
124 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
125 // Loop over 2 chambers in the station
126 for (Int_t stCH = 0; stCH < 2; stCH++) {
129 // Default Parameters for Muon Tracking Stations
131 if (ch < AliMUONConstants::NTrackingCh()) {
132 fChambers->AddAt(new AliMUONChamber(ch),ch);
134 fChambers->AddAt(new AliMUONChamberTrigger(ch),ch);
136 AliMUONChamber* chamber = (AliMUONChamber*) fChambers->At(ch);
138 // Default values for Z of chambers
139 chamber->SetZ(AliMUONConstants::DefaultChamberZ(ch));
141 chamber->InitGeo(AliMUONConstants::DefaultChamberZ(ch));
142 // Set chamber inner and outer radius to default
143 chamber->SetRInner(AliMUONConstants::Dmin(st)/2);
144 chamber->SetROuter(AliMUONConstants::Dmax(st)/2);
146 } // Chamber stCH (0, 1) in
147 } // Station st (0...)
161 // cp new design of AliMUONTriggerDecision
162 fTriggerCircuits = new TObjArray(AliMUONConstants::NTriggerCircuit());
163 for (Int_t circ=0; circ<AliMUONConstants::NTriggerCircuit(); circ++) {
164 fTriggerCircuits->AddAt(new AliMUONTriggerCircuit(),circ);
168 //____________________________________________________________________
169 AliMUON::AliMUON(const AliMUON& rMUON):AliDetector(rMUON)
171 // Dummy copy constructor
175 //____________________________________________________________________
179 if(fDebug) printf("%s: Calling AliMUON destructor !!!\n",ClassName());
181 if (fMerger) delete fMerger;
183 //____________________________________________________________________
184 void AliMUON::BuildGeometry()
186 // Geometry for event display
187 for (Int_t i=0; i<7; i++) {
188 for (Int_t j=0; j<2; j++) {
190 this->Chamber(id-1).SegmentationModel(1)->Draw("eventdisplay");
194 //___________________________________________________________________
195 Int_t AliMUON::DistancetoPrimitive(Int_t , Int_t )
199 //__________________________________________________________________
200 void AliMUON::SetTreeAddress()
202 GetMUONData()->SetLoader(fLoader);
203 GetMUONData()->SetTreeAddress("H,D,RC");
206 //____________________________________________________________________
207 void AliMUON::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
209 // Set the pad size for chamber id and cathode isec
211 ((AliMUONChamber*) fChambers->At(i)) ->SetPadSize(isec,p1,p2);
212 ((AliMUONChamber*) fChambers->At(i+1))->SetPadSize(isec,p1,p2);
215 //___________________________________________
216 void AliMUON::SetChambersZ(const Float_t *Z)
218 // Set Z values for all chambers (tracking and trigger)
219 // from the array pointed to by "Z"
220 for (Int_t ch = 0; ch < AliMUONConstants::NCh(); ch++)
221 ((AliMUONChamber*) fChambers->At(ch))->SetZ(Z[ch]);
224 //_________________________________________________________________
225 void AliMUON::SetChambersZToDefault()
227 // Set Z values for all chambers (tracking and trigger)
229 SetChambersZ(AliMUONConstants::DefaultChamberZ());
232 //_________________________________________________________________
233 void AliMUON::SetChargeSlope(Int_t id, Float_t p1)
235 // Set the inverse charge slope for chamber id
236 Int_t i=2*(id-1); //PH ((AliMUONChamber*) (*fChambers)[i])->SetSigmaIntegration(p1);
237 //PH ((AliMUONChamber*) (*fChambers)[i+1])->SetSigmaIntegration(p1);
238 ((AliMUONChamber*) fChambers->At(i))->SetChargeSlope(p1);
239 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSlope(p1);
241 //__________________________________________________________________
242 void AliMUON::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
244 // Set sigma of charge spread for chamber id
246 ((AliMUONChamber*) fChambers->At(i))->SetChargeSpread(p1,p2);
247 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSpread(p1,p2);
249 //___________________________________________________________________
250 void AliMUON::SetSigmaIntegration(Int_t id, Float_t p1)
252 // Set integration limits for charge spread
254 ((AliMUONChamber*) fChambers->At(i))->SetSigmaIntegration(p1);
255 ((AliMUONChamber*) fChambers->At(i+1))->SetSigmaIntegration(p1);
258 //__________________________________________________________________
259 void AliMUON::SetMaxAdc(Int_t id, Int_t p1)
261 // Set maximum number for ADCcounts (saturation)
263 ((AliMUONChamber*) fChambers->At(i))->SetMaxAdc(p1);
264 ((AliMUONChamber*) fChambers->At(i+1))->SetMaxAdc(p1);
266 //__________________________________________________________________
267 void AliMUON::SetMaxStepGas(Float_t p1)
269 // Set stepsize in gas
272 //__________________________________________________________________
273 void AliMUON::SetMaxStepAlu(Float_t p1)
275 // Set step size in Alu
278 //__________________________________________________________________
279 void AliMUON::SetMaxDestepGas(Float_t p1)
281 // Set maximum step size in Gas
284 //__________________________________________________________________
285 void AliMUON::SetMaxDestepAlu(Float_t p1)
287 // Set maximum step size in Alu
290 //___________________________________________________________________
291 void AliMUON::SetAcceptance(Bool_t acc, Float_t angmin, Float_t angmax)
293 // Set acceptance cuts
295 fAccMin=angmin*TMath::Pi()/180;
296 fAccMax=angmax*TMath::Pi()/180;
299 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
300 // Loop over 2 chambers in the station
301 for (Int_t stCH = 0; stCH < 2; stCH++) {
303 // Set chamber inner and outer radius according to acceptance cuts
304 Chamber(ch).SetRInner(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMin));
305 Chamber(ch).SetROuter(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMax));
310 //____________________________________________________________________
311 void AliMUON::SetSegmentationModel(Int_t id, Int_t isec, AliSegmentation *segmentation)
313 // Set the segmentation for chamber id cathode isec
314 ((AliMUONChamber*) fChambers->At(id))->SetSegmentationModel(isec, segmentation);
317 //____________________________________________________________________
318 void AliMUON::SetResponseModel(Int_t id, AliMUONResponse *response)
320 // Set the response for chamber id
321 ((AliMUONChamber*) fChambers->At(id))->SetResponseModel(response);
323 //____________________________________________________________________
324 void AliMUON::SetReconstructionModel(Int_t id, AliMUONClusterFinderVS *reconst)
326 // Set ClusterFinder for chamber id
327 ((AliMUONChamber*) fChambers->At(id))->SetReconstructionModel(reconst);
329 //____________________________________________________________________
330 void AliMUON::SetNsec(Int_t id, Int_t nsec)
332 // Set number of segmented cathods for chamber id
333 ((AliMUONChamber*) fChambers->At(id))->SetNsec(nsec);
335 //_____________________________________________________________________
336 void AliMUON::SDigits2Digits()
342 if (gAlice->GetDebug()>0) {
343 cerr<<"AliMUON::SDigits2Digits: create default AliMUONMerger "<<endl;
344 cerr<<" no merging, just digitization of 1 event will be done"<<endl;
346 fMerger = new AliMUONMerger();
351 // sprintf(hname,"TreeD%d",fLoader->GetHeader()->GetEvent());
352 fLoader->TreeD()->Write(hname,TObject::kOverwrite);
353 fLoader->TreeD()->Reset();
356 //_______________________________________________________________________
357 AliLoader* AliMUON::MakeLoader(const char* topfoldername)
359 //builds standard getter (AliLoader type)
360 //if detector wants to use castomized getter, it must overload this method
364 "Creating standard getter for detector %s. Top folder is %s.",
365 GetName(),topfoldername);
367 fLoader = new AliLoader(GetName(),topfoldername);
368 fMUONData = new AliMUONData(fLoader,GetName(),GetName());
372 //_______________________________________________________________________
373 void AliMUON::Trigger(Int_t nev){
374 // call the Trigger Algorithm and fill TreeR
376 Int_t singlePlus[3] = {0,0,0};
377 Int_t singleMinus[3] = {0,0,0};
378 Int_t singleUndef[3] = {0,0,0};
379 Int_t pairUnlike[3] = {0,0,0};
380 Int_t pairLike[3] = {0,0,0};
383 AliMUONTriggerDecision* decision= new AliMUONTriggerDecision(1);
385 decision->GetGlobalTrigger(singlePlus, singleMinus, singleUndef,
386 pairUnlike, pairLike);
388 // add a local trigger in the list
389 GetMUONData()->AddGlobalTrigger(singlePlus, singleMinus, singleUndef, pairUnlike, pairLike);
392 for (Int_t icirc=0; icirc<AliMUONConstants::NTriggerCircuit(); icirc++) {
393 if(decision->GetITrigger(icirc)==1) {
394 Int_t localtr[7]={0,0,0,0,0,0,0};
395 Int_t loLpt[2]={0,0}; Int_t loHpt[2]={0,0}; Int_t loApt[2]={0,0};
396 decision->GetLutOutput(icirc, loLpt, loHpt, loApt);
398 localtr[1] = decision->GetStripX11(icirc);
399 localtr[2] = decision->GetDev(icirc);
400 localtr[3] = decision->GetStripY11(icirc);
401 for (i=0; i<2; i++) { // convert the Lut output in 1 digit
402 localtr[4] = localtr[4]+Int_t(loLpt[i]*TMath::Power(2,i));
403 localtr[5] = localtr[5]+Int_t(loHpt[i]*TMath::Power(2,i));
404 localtr[6] = localtr[6]+Int_t(loApt[i]*TMath::Power(2,i));
406 GetMUONData()->AddLocalTrigger(localtr); // add a local trigger in the list
412 // fLoader->TreeR()->Fill();
413 fLoader->TreeR()->GetBranch("MUONGlobalTrigger")->Fill();
414 fLoader->TreeR()->GetBranch("MUONLocalTrigger")->Fill();
418 // sprintf(hname,"TreeR%d",nev);
419 // fLoader->TreeR()->Write(hname,TObject::kOverwrite);
420 // fLoader->TreeR()->Reset();
421 fLoader->WriteRecPoints("OVERWRITE");
423 printf("\n End of trigger for event %d", nev);
426 //____________________________________________________________________
427 void AliMUON::Digits2Reco()
430 Int_t nev = gAlice->GetHeader()->GetEvent();
431 fLoader->TreeR()->Fill();
433 // sprintf(hname,"TreeR%d", nev);
434 //fLoader->TreeR()->Write(hname);
435 //fLoader->TreeR()->Reset();
436 fLoader->WriteRecPoints("OVERWRITE");
437 GetMUONData()->ResetRawClusters();
438 printf("\n End of cluster finding for event %d", nev);
440 //____________________________________________________________________
441 void AliMUON::FindClusters()
444 // Perform cluster finding
446 TClonesArray *dig1, *dig2;
448 dig1 = new TClonesArray("AliMUONDigit",1000);
449 dig2 = new TClonesArray("AliMUONDigit",1000);
451 // Loop on chambers and on cathode planes
454 TClonesArray * muonDigits;
456 for (Int_t ich = 0; ich < 10; ich++) {
457 //PH AliMUONChamber* iChamber = (AliMUONChamber*) (*fChambers)[ich];
458 AliMUONChamber* iChamber = (AliMUONChamber*) fChambers->At(ich);
459 AliMUONClusterFinderVS* rec = iChamber->ReconstructionModel();
462 fLoader->TreeD()->GetEvent(0);
464 muonDigits = GetMUONData()->Digits(ich,0); // cathode plane not yet operational
465 ndig=muonDigits->GetEntriesFast();
466 printf("\n 1 Found %d digits in %p chamber %d", ndig, muonDigits,ich);
467 TClonesArray &lhits1 = *dig1;
469 for (k = 0; k < ndig; k++) {
470 digit = (AliMUONDigit*) muonDigits->UncheckedAt(k);
471 if (rec->TestTrack(digit->Track(0)))
472 new(lhits1[n++]) AliMUONDigit(*digit);
475 fLoader->TreeD()->GetEvent(1);
476 //muonDigits = this->DigitsAddress(ich);
477 muonDigits = GetMUONData()->Digits(ich,1); // cathode plane not yet operational
478 ndig=muonDigits->GetEntriesFast();
479 printf("\n 2 Found %d digits in %p %d", ndig, muonDigits, ich);
480 TClonesArray &lhits2 = *dig2;
483 for (k=0; k<ndig; k++) {
484 digit= (AliMUONDigit*) muonDigits->UncheckedAt(k);
485 if (rec->TestTrack(digit->Track(0)))
486 new(lhits2[n++]) AliMUONDigit(*digit);
490 AliMUONClusterInput::Instance()->SetDigits(ich, dig1, dig2);
491 rec->FindRawClusters();
499 //______________________________________________________________________
501 void AliMUON::Streamer(TBuffer &R__b)_
503 // Stream an object of class AliMUON.
504 AliMUONChamber *iChamber;
505 AliMUONTriggerCircuit *iTriggerCircuit;
506 AliSegmentation *segmentation;
507 AliMUONResponse *response;
508 TClonesArray *digitsaddress;
509 TClonesArray *rawcladdress;
511 if (R__b.IsReading()) {
512 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
513 AliDetector::Streamer(R__b);
515 R__b >> fPadHits; // diff
516 R__b >> fNLocalTrigger;
517 R__b >> fLocalTrigger;
518 R__b >> fNGlobalTrigger;
519 R__b >> fGlobalTrigger;
521 R__b >> fRawClusters;
522 R__b.ReadArray(fNdch);
523 R__b.ReadArray(fNrawch);
528 R__b >> fTriggerCircuits;
529 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
530 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
531 iTriggerCircuit->Streamer(R__b);
533 // Stream chamber related information
534 for (i =0; i<AliMUONConstants::NCh(); i++) {
535 iChamber=(AliMUONChamber*) (*fChambers)[i];
536 iChamber->Streamer(R__b);
537 if (iChamber->Nsec()==1) {
538 segmentation=iChamber->SegmentationModel(1);
540 segmentation->Streamer(R__b);
542 segmentation=iChamber->SegmentationModel(1);
544 segmentation->Streamer(R__b);
546 segmentation=iChamber->SegmentationModel(2);
547 segmentation->Streamer(R__b);
549 response=iChamber->ResponseModel();
551 response->Streamer(R__b);
552 digitsaddress=(TClonesArray*) (*fDchambers)[i];
553 digitsaddress->Streamer(R__b);
554 if (i < AliMUONConstants::NTrackingCh()) {
555 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
556 rawcladdress->Streamer(R__b);
561 R__b.WriteVersion(AliMUON::IsA());
562 AliDetector::Streamer(R__b);
564 R__b << fPadHits; // diff
565 R__b << fNLocalTrigger;
566 R__b << fLocalTrigger;
567 R__b << fNGlobalTrigger;
568 R__b << fGlobalTrigger;
570 R__b << fRawClusters;
571 R__b.WriteArray(fNdch, AliMUONConstants::NCh());
572 R__b.WriteArray(fNrawch, AliMUONConstants::NTrackingCh());
579 R__b << fTriggerCircuits;
580 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
581 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
582 iTriggerCircuit->Streamer(R__b);
584 for (i =0; i<AliMUONConstants::NCh(); i++) {
585 iChamber=(AliMUONChamber*) (*fChambers)[i];
586 iChamber->Streamer(R__b);
587 if (iChamber->Nsec()==1) {
588 segmentation=iChamber->SegmentationModel(1);
590 segmentation->Streamer(R__b);
592 segmentation=iChamber->SegmentationModel(1);
594 segmentation->Streamer(R__b);
595 segmentation=iChamber->SegmentationModel(2);
597 segmentation->Streamer(R__b);
599 response=iChamber->ResponseModel();
601 response->Streamer(R__b);
602 digitsaddress=(TClonesArray*) (*fDchambers)[i];
603 digitsaddress->Streamer(R__b);
604 if (i < AliMUONConstants::NTrackingCh()) {
605 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
606 rawcladdress->Streamer(R__b);
612 //_______________________________________________________________________
613 AliMUONPadHit* AliMUON::FirstPad(AliMUONHit* hit, TClonesArray *clusters)
616 // Initialise the pad iterator
617 // Return the address of the first padhit for hit
618 TClonesArray *theClusters = clusters;
619 Int_t nclust = theClusters->GetEntriesFast();
620 if (nclust && hit->PHlast() > 0) {
621 AliMUON::fMaxIterPad=hit->PHlast();
622 AliMUON::fCurIterPad=hit->PHfirst();
623 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
628 //_______________________________________________________________________
629 AliMUONPadHit* AliMUON::NextPad(TClonesArray *clusters)
632 // Get next pad (in iterator)
634 AliMUON::fCurIterPad++;
635 if (AliMUON::fCurIterPad <= AliMUON::fMaxIterPad) {
636 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
641 //_______________________________________________________________________
643 AliMUONRawCluster *AliMUON::RawCluster(Int_t ichamber, Int_t icathod, Int_t icluster)
646 // Return rawcluster (icluster) for chamber ichamber and cathode icathod
648 TClonesArray *muonRawCluster = GetMUONData()->RawClusters(ichamber);
650 TTree *treeR = fLoader->TreeR();
651 Int_t nent=(Int_t)treeR->GetEntries();
652 treeR->GetEvent(nent-2+icathod-1);
653 //treeR->GetEvent(icathod);
654 //Int_t nrawcl = (Int_t)muonRawCluster->GetEntriesFast();
656 AliMUONRawCluster * mRaw = (AliMUONRawCluster*)muonRawCluster->UncheckedAt(icluster);
657 //printf("RawCluster _ nent nrawcl icluster mRaw %d %d %d%p\n",nent,nrawcl,icluster,mRaw);
661 //________________________________________________________________________
662 void AliMUON::SetMerger(AliMUONMerger* merger)
664 // Set pointer to merger
667 //________________________________________________________________________
668 AliMUONMerger* AliMUON::Merger()
670 // Return pointer to merger
673 //________________________________________________________________________
674 AliMUON& AliMUON::operator = (const AliMUON& /*rhs*/)