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"
69 #include "AliMUONVGeometryBuilder.h"
71 #include "AliMUONDigitizerv1.h"
74 // Defaults parameters for Z positions of chambers
75 // taken from values for "stations" in AliMUON::AliMUON
76 // const Float_t zch[7]={528, 690., 975., 1249., 1449., 1610, 1710.};
77 // and from array "dstation" in AliMUONv1::CreateGeometry
78 // Float_t dstation[5]={20., 20., 20, 20., 20.};
79 // for tracking chambers,
80 // according to (Z1 = zch - dstation) and (Z2 = zch + dstation)
81 // for the first and second chambers in the station, respectively,
82 // and from "DTPLANES" in AliMUONv1::CreateGeometry
83 // const Float_t DTPLANES = 15.;
84 // for trigger chambers,
85 // according to (Z1 = zch) and (Z2 = zch + DTPLANES)
86 // for the first and second chambers in the station, respectively
89 //__________________________________________________________________
92 // Default Constructor
98 fGeometryBuilders = 0;
108 //__________________________________________________________________
109 AliMUON::AliMUON(const char *name, const char *title)
110 : AliDetector(name,title)
114 <img src="gif/alimuon.gif">
121 fNCh = AliMUONConstants::NCh();
122 fNTrackingCh = AliMUONConstants::NTrackingCh();
124 SetMarkerColor(kRed);//
126 // Creating List of Chambers
128 fChambers = new TObjArray(AliMUONConstants::NCh());
129 fGeometryBuilders = new TObjArray(AliMUONConstants::NCh());
131 // Loop over stations
132 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
133 // Loop over 2 chambers in the station
134 for (Int_t stCH = 0; stCH < 2; stCH++) {
137 // Default Parameters for Muon Tracking Stations
139 if (ch < AliMUONConstants::NTrackingCh()) {
140 fChambers->AddAt(new AliMUONChamber(ch),ch);
142 fChambers->AddAt(new AliMUONChamberTrigger(ch),ch);
144 AliMUONChamber* chamber = (AliMUONChamber*) fChambers->At(ch);
145 //chamber->SetGid(0);
146 // Default values for Z of chambers
147 chamber->SetZ(AliMUONConstants::DefaultChamberZ(ch));
149 chamber->InitGeo(AliMUONConstants::DefaultChamberZ(ch));
150 // Set chamber inner and outer radius to default
151 chamber->SetRInner(AliMUONConstants::Dmin(st)/2);
152 chamber->SetROuter(AliMUONConstants::Dmax(st)/2);
154 } // Chamber stCH (0, 1) in
155 } // Station st (0...)
157 // Negatives values are ignored by geant3 CONS200 in the calculation of the tracking parameters
170 // cp new design of AliMUONTriggerDecision
171 fTriggerCircuits = new TObjArray(AliMUONConstants::NTriggerCircuit());
172 for (Int_t circ=0; circ<AliMUONConstants::NTriggerCircuit(); circ++) {
173 fTriggerCircuits->AddAt(new AliMUONTriggerCircuit(),circ);
177 //____________________________________________________________________
178 AliMUON::AliMUON(const AliMUON& rMUON):AliDetector(rMUON)
180 // Dummy copy constructor
184 //____________________________________________________________________
188 if(fDebug) printf("%s: Calling AliMUON destructor !!!\n",ClassName());
190 if (fMerger) delete fMerger;
192 if (fGeometryBuilders){
193 fGeometryBuilders->Delete();
194 delete fGeometryBuilders;
197 //_____________________________________________________________________________
198 void AliMUON::AddGeometryBuilder(AliMUONVGeometryBuilder* geomBuilder)
200 // Adds the geometry builder to the list
203 fGeometryBuilders->Add(geomBuilder);
205 //____________________________________________________________________
206 void AliMUON::BuildGeometry()
208 // Geometry for event display
209 for (Int_t i=0; i<7; i++) {
210 for (Int_t j=0; j<2; j++) {
212 this->Chamber(id-1).SegmentationModel(1)->Draw("eventdisplay");
216 //___________________________________________________________________
217 Int_t AliMUON::DistancetoPrimitive(Int_t , Int_t )
221 //__________________________________________________________________
222 void AliMUON::SetTreeAddress()
224 GetMUONData()->SetLoader(fLoader);
225 GetMUONData()->SetTreeAddress("H,D,RC");
226 fHits = GetMUONData()->Hits(); // Added by Ivana to use the methods FisrtHit, NextHit of AliDetector
229 //____________________________________________________________________
230 void AliMUON::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
232 // Set the pad size for chamber id and cathode isec
234 ((AliMUONChamber*) fChambers->At(i)) ->SetPadSize(isec,p1,p2);
235 ((AliMUONChamber*) fChambers->At(i+1))->SetPadSize(isec,p1,p2);
238 //___________________________________________
239 void AliMUON::SetChambersZ(const Float_t *Z)
241 // Set Z values for all chambers (tracking and trigger)
242 // from the array pointed to by "Z"
243 for (Int_t ch = 0; ch < AliMUONConstants::NCh(); ch++)
244 ((AliMUONChamber*) fChambers->At(ch))->SetZ(Z[ch]);
247 //_________________________________________________________________
248 void AliMUON::SetChambersZToDefault()
250 // Set Z values for all chambers (tracking and trigger)
252 SetChambersZ(AliMUONConstants::DefaultChamberZ());
255 //_________________________________________________________________
256 void AliMUON::SetChargeSlope(Int_t id, Float_t p1)
258 // Set the inverse charge slope for chamber id
259 Int_t i=2*(id-1); //PH ((AliMUONChamber*) (*fChambers)[i])->SetSigmaIntegration(p1);
260 //PH ((AliMUONChamber*) (*fChambers)[i+1])->SetSigmaIntegration(p1);
261 ((AliMUONChamber*) fChambers->At(i))->SetChargeSlope(p1);
262 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSlope(p1);
264 //__________________________________________________________________
265 void AliMUON::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
267 // Set sigma of charge spread for chamber id
269 ((AliMUONChamber*) fChambers->At(i))->SetChargeSpread(p1,p2);
270 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSpread(p1,p2);
272 //___________________________________________________________________
273 void AliMUON::SetSigmaIntegration(Int_t id, Float_t p1)
275 // Set integration limits for charge spread
277 ((AliMUONChamber*) fChambers->At(i))->SetSigmaIntegration(p1);
278 ((AliMUONChamber*) fChambers->At(i+1))->SetSigmaIntegration(p1);
281 //__________________________________________________________________
282 void AliMUON::SetMaxAdc(Int_t id, Int_t p1)
284 // Set maximum number for ADCcounts (saturation)
286 ((AliMUONChamber*) fChambers->At(i))->SetMaxAdc(p1);
287 ((AliMUONChamber*) fChambers->At(i+1))->SetMaxAdc(p1);
289 //__________________________________________________________________
290 void AliMUON::SetMaxStepGas(Float_t p1)
292 // Set stepsize in gas
295 //__________________________________________________________________
296 void AliMUON::SetMaxStepAlu(Float_t p1)
298 // Set step size in Alu
301 //__________________________________________________________________
302 void AliMUON::SetMaxDestepGas(Float_t p1)
304 // Set maximum step size in Gas
307 //__________________________________________________________________
308 void AliMUON::SetMaxDestepAlu(Float_t p1)
310 // Set maximum step size in Alu
313 //___________________________________________________________________
314 void AliMUON::SetAcceptance(Bool_t acc, Float_t angmin, Float_t angmax)
316 // Set acceptance cuts
318 fAccMin=angmin*TMath::Pi()/180;
319 fAccMax=angmax*TMath::Pi()/180;
322 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
323 // Loop over 2 chambers in the station
324 for (Int_t stCH = 0; stCH < 2; stCH++) {
326 // Set chamber inner and outer radius according to acceptance cuts
327 Chamber(ch).SetRInner(TMath::Abs(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMin)));
328 Chamber(ch).SetROuter(TMath::Abs(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMax)));
334 //____________________________________________________________________
335 Float_t AliMUON::GetMaxStepGas() const
337 // Return stepsize in gas
342 //____________________________________________________________________
343 Float_t AliMUON::GetMaxStepAlu() const
345 // Return step size in Alu
350 //____________________________________________________________________
351 Float_t AliMUON::GetMaxDestepGas() const
353 // Return maximum step size in Gas
355 return fMaxDestepGas;
358 //____________________________________________________________________
359 Float_t AliMUON::GetMaxDestepAlu() const
361 // Return maximum step size in Gas
363 return fMaxDestepAlu;
366 //____________________________________________________________________
367 void AliMUON::SetSegmentationModel(Int_t id, Int_t isec, AliSegmentation *segmentation)
369 // Set the segmentation for chamber id cathode isec
370 ((AliMUONChamber*) fChambers->At(id))->SetSegmentationModel(isec, segmentation);
373 //____________________________________________________________________
374 void AliMUON::SetResponseModel(Int_t id, AliMUONResponse *response)
376 // Set the response for chamber id
377 ((AliMUONChamber*) fChambers->At(id))->SetResponseModel(response);
379 //____________________________________________________________________
380 void AliMUON::SetReconstructionModel(Int_t id, AliMUONClusterFinderVS *reconst)
382 // Set ClusterFinder for chamber id
383 ((AliMUONChamber*) fChambers->At(id))->SetReconstructionModel(reconst);
385 //____________________________________________________________________
386 void AliMUON::SetNsec(Int_t id, Int_t nsec)
388 // Set number of segmented cathods for chamber id
389 ((AliMUONChamber*) fChambers->At(id))->SetNsec(nsec);
391 //____________________________________________________________________
392 AliDigitizer* AliMUON::CreateDigitizer(AliRunDigitizer* manager) const
394 return new AliMUONDigitizerv1(manager);
396 //_____________________________________________________________________
397 void AliMUON::SDigits2Digits()
403 if (gAlice->GetDebug()>0) {
404 cerr<<"AliMUON::SDigits2Digits: create default AliMUONMerger "<<endl;
405 cerr<<" no merging, just digitization of 1 event will be done"<<endl;
407 fMerger = new AliMUONMerger();
412 // sprintf(hname,"TreeD%d",fLoader->GetHeader()->GetEvent());
413 fLoader->TreeD()->Write(hname,TObject::kOverwrite);
414 fLoader->TreeD()->Reset();
417 //_______________________________________________________________________
418 AliLoader* AliMUON::MakeLoader(const char* topfoldername)
420 //builds standard getter (AliLoader type)
421 //if detector wants to use castomized getter, it must overload this method
425 "Creating standard getter for detector %s. Top folder is %s.",
426 GetName(),topfoldername);
428 fLoader = new AliLoader(GetName(),topfoldername);
429 fMUONData = new AliMUONData(fLoader,GetName(),GetName());
430 fMUONData->SetSplitLevel(fSplitLevel);
434 //_______________________________________________________________________
435 void AliMUON::Trigger(Int_t nev){
436 // call the Trigger Algorithm and fill TreeR
438 Int_t singlePlus[3] = {0,0,0};
439 Int_t singleMinus[3] = {0,0,0};
440 Int_t singleUndef[3] = {0,0,0};
441 Int_t pairUnlike[3] = {0,0,0};
442 Int_t pairLike[3] = {0,0,0};
445 AliMUONTriggerDecision* decision= new AliMUONTriggerDecision(1);
447 decision->GetGlobalTrigger(singlePlus, singleMinus, singleUndef,
448 pairUnlike, pairLike);
450 // add a local trigger in the list
451 GetMUONData()->AddGlobalTrigger(singlePlus, singleMinus, singleUndef, pairUnlike, pairLike);
454 for (Int_t icirc=0; icirc<AliMUONConstants::NTriggerCircuit(); icirc++) {
455 if(decision->GetITrigger(icirc)==1) {
456 Int_t localtr[7]={0,0,0,0,0,0,0};
457 Int_t loLpt[2]={0,0}; Int_t loHpt[2]={0,0}; Int_t loApt[2]={0,0};
458 decision->GetLutOutput(icirc, loLpt, loHpt, loApt);
460 localtr[1] = decision->GetStripX11(icirc);
461 localtr[2] = decision->GetDev(icirc);
462 localtr[3] = decision->GetStripY11(icirc);
463 for (i=0; i<2; i++) { // convert the Lut output in 1 digit
464 localtr[4] = localtr[4]+Int_t(loLpt[i]*TMath::Power(2,i));
465 localtr[5] = localtr[5]+Int_t(loHpt[i]*TMath::Power(2,i));
466 localtr[6] = localtr[6]+Int_t(loApt[i]*TMath::Power(2,i));
468 GetMUONData()->AddLocalTrigger(localtr); // add a local trigger in the list
474 // fLoader->TreeR()->Fill();
475 GetMUONData()->Fill("GLT"); //Filling Global and Local Trigger GLT
477 // sprintf(hname,"TreeR%d",nev);
478 // fLoader->TreeR()->Write(hname,TObject::kOverwrite);
479 // fLoader->TreeR()->Reset();
480 fLoader->WriteRecPoints("OVERWRITE");
482 printf("\n End of trigger for event %d", nev);
485 //____________________________________________________________________
486 void AliMUON::Digits2Reco()
489 Int_t nev = gAlice->GetHeader()->GetEvent();
490 GetMUONData()->Fill("RC"); //Filling Reconstructed Cluster
491 fLoader->WriteRecPoints("OVERWRITE");
492 GetMUONData()->ResetRawClusters();
493 Info("Digits2Reco","End of cluster finding for event %d", nev);
495 //____________________________________________________________________
496 void AliMUON::FindClusters()
499 // Perform cluster finding
501 TClonesArray *dig1, *dig2;
503 dig1 = new TClonesArray("AliMUONDigit",1000);
504 dig2 = new TClonesArray("AliMUONDigit",1000);
506 // Loop on chambers and on cathode planes
509 TClonesArray * muonDigits;
511 for (Int_t ich = 0; ich < 10; ich++) {
512 //PH AliMUONChamber* iChamber = (AliMUONChamber*) (*fChambers)[ich];
513 AliMUONChamber* iChamber = (AliMUONChamber*) fChambers->At(ich);
514 AliMUONClusterFinderVS* rec = iChamber->ReconstructionModel();
517 GetMUONData()->GetCathode(0);
519 muonDigits = GetMUONData()->Digits(ich);
520 ndig=muonDigits->GetEntriesFast();
521 printf("\n 1 Found %d digits in %p chamber %d", ndig, muonDigits,ich);
522 TClonesArray &lhits1 = *dig1;
524 for (k = 0; k < ndig; k++) {
525 digit = (AliMUONDigit*) muonDigits->UncheckedAt(k);
526 if (rec->TestTrack(digit->Track(0)))
527 new(lhits1[n++]) AliMUONDigit(*digit);
529 GetMUONData()->ResetDigits();
530 GetMUONData()->GetCathode(1);
531 muonDigits = GetMUONData()->Digits(ich);
532 ndig=muonDigits->GetEntriesFast();
533 printf("\n 2 Found %d digits in %p %d", ndig, muonDigits, ich);
534 TClonesArray &lhits2 = *dig2;
537 for (k=0; k<ndig; k++) {
538 digit= (AliMUONDigit*) muonDigits->UncheckedAt(k);
539 if (rec->TestTrack(digit->Track(0)))
540 new(lhits2[n++]) AliMUONDigit(*digit);
544 AliMUONClusterInput::Instance()->SetDigits(ich, dig1, dig2);
545 rec->FindRawClusters();
553 //______________________________________________________________________
555 void AliMUON::Streamer(TBuffer &R__b)_
557 // Stream an object of class AliMUON.
558 AliMUONChamber *iChamber;
559 AliMUONTriggerCircuit *iTriggerCircuit;
560 AliSegmentation *segmentation;
561 AliMUONResponse *response;
562 TClonesArray *digitsaddress;
563 TClonesArray *rawcladdress;
565 if (R__b.IsReading()) {
566 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
567 AliDetector::Streamer(R__b);
569 R__b >> fPadHits; // diff
570 R__b >> fNLocalTrigger;
571 R__b >> fLocalTrigger;
572 R__b >> fNGlobalTrigger;
573 R__b >> fGlobalTrigger;
575 R__b >> fRawClusters;
576 R__b.ReadArray(fNdch);
577 R__b.ReadArray(fNrawch);
582 R__b >> fTriggerCircuits;
583 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
584 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
585 iTriggerCircuit->Streamer(R__b);
587 // Stream chamber related information
588 for (i =0; i<AliMUONConstants::NCh(); i++) {
589 iChamber=(AliMUONChamber*) (*fChambers)[i];
590 iChamber->Streamer(R__b);
591 if (iChamber->Nsec()==1) {
592 segmentation=iChamber->SegmentationModel(1);
594 segmentation->Streamer(R__b);
596 segmentation=iChamber->SegmentationModel(1);
598 segmentation->Streamer(R__b);
600 segmentation=iChamber->SegmentationModel(2);
601 segmentation->Streamer(R__b);
603 response=iChamber->ResponseModel();
605 response->Streamer(R__b);
606 digitsaddress=(TClonesArray*) (*fDchambers)[i];
607 digitsaddress->Streamer(R__b);
608 if (i < AliMUONConstants::NTrackingCh()) {
609 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
610 rawcladdress->Streamer(R__b);
615 R__b.WriteVersion(AliMUON::IsA());
616 AliDetector::Streamer(R__b);
618 R__b << fPadHits; // diff
619 R__b << fNLocalTrigger;
620 R__b << fLocalTrigger;
621 R__b << fNGlobalTrigger;
622 R__b << fGlobalTrigger;
624 R__b << fRawClusters;
625 R__b.WriteArray(fNdch, AliMUONConstants::NCh());
626 R__b.WriteArray(fNrawch, AliMUONConstants::NTrackingCh());
633 R__b << fTriggerCircuits;
634 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
635 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
636 iTriggerCircuit->Streamer(R__b);
638 for (i =0; i<AliMUONConstants::NCh(); i++) {
639 iChamber=(AliMUONChamber*) (*fChambers)[i];
640 iChamber->Streamer(R__b);
641 if (iChamber->Nsec()==1) {
642 segmentation=iChamber->SegmentationModel(1);
644 segmentation->Streamer(R__b);
646 segmentation=iChamber->SegmentationModel(1);
648 segmentation->Streamer(R__b);
649 segmentation=iChamber->SegmentationModel(2);
651 segmentation->Streamer(R__b);
653 response=iChamber->ResponseModel();
655 response->Streamer(R__b);
656 digitsaddress=(TClonesArray*) (*fDchambers)[i];
657 digitsaddress->Streamer(R__b);
658 if (i < AliMUONConstants::NTrackingCh()) {
659 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
660 rawcladdress->Streamer(R__b);
666 //_______________________________________________________________________
667 AliMUONPadHit* AliMUON::FirstPad(AliMUONHit* hit, TClonesArray *clusters)
670 // Initialise the pad iterator
671 // Return the address of the first padhit for hit
672 TClonesArray *theClusters = clusters;
673 Int_t nclust = theClusters->GetEntriesFast();
674 if (nclust && hit->PHlast() > 0) {
675 AliMUON::fMaxIterPad=hit->PHlast();
676 AliMUON::fCurIterPad=hit->PHfirst();
677 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
682 //_______________________________________________________________________
683 AliMUONPadHit* AliMUON::NextPad(TClonesArray *clusters)
686 // Get next pad (in iterator)
688 AliMUON::fCurIterPad++;
689 if (AliMUON::fCurIterPad <= AliMUON::fMaxIterPad) {
690 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
695 //_______________________________________________________________________
697 AliMUONRawCluster *AliMUON::RawCluster(Int_t ichamber, Int_t icathod, Int_t icluster)
700 // Return rawcluster (icluster) for chamber ichamber and cathode icathod
702 TClonesArray *muonRawCluster = GetMUONData()->RawClusters(ichamber);
704 TTree *treeR = fLoader->TreeR();
705 Int_t nent=(Int_t)treeR->GetEntries();
706 treeR->GetEvent(nent-2+icathod-1);
707 //treeR->GetEvent(icathod);
708 //Int_t nrawcl = (Int_t)muonRawCluster->GetEntriesFast();
710 AliMUONRawCluster * mRaw = (AliMUONRawCluster*)muonRawCluster->UncheckedAt(icluster);
711 //printf("RawCluster _ nent nrawcl icluster mRaw %d %d %d%p\n",nent,nrawcl,icluster,mRaw);
715 //________________________________________________________________________
716 void AliMUON::SetMerger(AliMUONMerger* merger)
718 // Set pointer to merger
721 //________________________________________________________________________
722 AliMUONMerger* AliMUON::Merger()
724 // Return pointer to merger
727 //________________________________________________________________________
728 AliMUON& AliMUON::operator = (const AliMUON& /*rhs*/)