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 "AliRunDigitizer.h"
54 #include "AliMUONLoader.h"
56 #include "AliMUONChamberTrigger.h"
57 #include "AliMUONClusterFinderAZ.h"
58 #include "AliMUONConstants.h"
59 #include "AliMUONDigit.h"
60 #include "AliMUONGlobalTrigger.h"
61 #include "AliMUONHit.h"
62 #include "AliMUONHitMapA1.h"
63 #include "AliMUONLocalTrigger.h"
64 #include "AliMUONMerger.h"
65 #include "AliMUONPadHit.h"
66 #include "AliMUONRawCluster.h"
67 #include "AliMUONTransientDigit.h"
68 #include "AliMUONTriggerCircuit.h"
69 #include "AliMUONTriggerDecision.h"
70 #include "AliMUONVGeometryBuilder.h"
72 #include "AliMUONDigitizerv2.h"
73 #include "AliMUONSDigitizerv1.h"
76 // Defaults parameters for Z positions of chambers
77 // taken from values for "stations" in AliMUON::AliMUON
78 // const Float_t zch[7]={528, 690., 975., 1249., 1449., 1610, 1710.};
79 // and from array "dstation" in AliMUONv1::CreateGeometry
80 // Float_t dstation[5]={20., 20., 20, 20., 20.};
81 // for tracking chambers,
82 // according to (Z1 = zch - dstation) and (Z2 = zch + dstation)
83 // for the first and second chambers in the station, respectively,
84 // and from "DTPLANES" in AliMUONv1::CreateGeometry
85 // const Float_t DTPLANES = 15.;
86 // for trigger chambers,
87 // according to (Z1 = zch) and (Z2 = zch + DTPLANES)
88 // for the first and second chambers in the station, respectively
91 //__________________________________________________________________
94 // Default Constructor
100 fGeometryBuilders = 0;
101 fTriggerCircuits = 0;
109 //__________________________________________________________________
110 AliMUON::AliMUON(const char *name, const char *title)
111 : AliDetector(name,title)
115 <img src="gif/alimuon.gif">
122 fNCh = AliMUONConstants::NCh();
123 fNTrackingCh = AliMUONConstants::NTrackingCh();
125 SetMarkerColor(kRed);//
127 // Creating List of Chambers
129 fChambers = new TObjArray(AliMUONConstants::NCh());
130 fGeometryBuilders = new TObjArray(AliMUONConstants::NCh());
132 // Loop over stations
133 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
134 // Loop over 2 chambers in the station
135 for (Int_t stCH = 0; stCH < 2; stCH++) {
138 // Default Parameters for Muon Tracking Stations
140 if (ch < AliMUONConstants::NTrackingCh()) {
141 fChambers->AddAt(new AliMUONChamber(ch),ch);
143 fChambers->AddAt(new AliMUONChamberTrigger(ch),ch);
145 AliMUONChamber* chamber = (AliMUONChamber*) fChambers->At(ch);
146 //chamber->SetGid(0);
147 // Default values for Z of chambers
148 chamber->SetZ(AliMUONConstants::DefaultChamberZ(ch));
150 chamber->InitGeo(AliMUONConstants::DefaultChamberZ(ch));
151 // Set chamber inner and outer radius to default
152 chamber->SetRInner(AliMUONConstants::Dmin(st)/2);
153 chamber->SetROuter(AliMUONConstants::Dmax(st)/2);
155 } // Chamber stCH (0, 1) in
156 } // Station st (0...)
158 // Negatives values are ignored by geant3 CONS200 in the calculation of the tracking parameters
171 // cp new design of AliMUONTriggerDecision
172 fTriggerCircuits = new TObjArray(AliMUONConstants::NTriggerCircuit());
173 for (Int_t circ=0; circ<AliMUONConstants::NTriggerCircuit(); circ++) {
174 fTriggerCircuits->AddAt(new AliMUONTriggerCircuit(),circ);
178 //____________________________________________________________________
179 AliMUON::AliMUON(const AliMUON& rMUON):AliDetector(rMUON)
181 // Dummy copy constructor
185 //____________________________________________________________________
189 if(fDebug) printf("%s: Calling AliMUON destructor !!!\n",ClassName());
191 if (fMerger) delete fMerger;
193 if (fGeometryBuilders){
194 fGeometryBuilders->Delete();
195 delete fGeometryBuilders;
201 if (fTriggerCircuits){
202 fTriggerCircuits->Delete();
203 delete fTriggerCircuits;
207 //_____________________________________________________________________________
208 void AliMUON::AddGeometryBuilder(AliMUONVGeometryBuilder* geomBuilder)
210 // Adds the geometry builder to the list
213 fGeometryBuilders->Add(geomBuilder);
215 //____________________________________________________________________
216 void AliMUON::BuildGeometry()
218 // Geometry for event display
219 for (Int_t i=0; i<7; i++) {
220 for (Int_t j=0; j<2; j++) {
222 this->Chamber(id-1).SegmentationModel(1)->Draw("eventdisplay");
226 //___________________________________________________________________
227 Int_t AliMUON::DistancetoPrimitive(Int_t , Int_t )
231 //__________________________________________________________________
232 void AliMUON::SetTreeAddress()
234 GetMUONData()->SetLoader(fLoader);
235 // GetMUONData()->MakeBranch("D,S,RC");
236 // GetMUONData()->SetTreeAddress("H,D,S,RC");
237 GetMUONData()->SetTreeAddress("H");
238 if (fHits != GetMUONData()->Hits()) {
239 if ( gAlice->GetMCApp() )
240 if ( gAlice->GetMCApp()->GetHitLists() ) {
241 fHits = GetMUONData()->Hits();
242 gAlice->GetMCApp()->AddHitList(fHits); // For purifyKine, only necessary when Hit list is created in AliMUONData
245 fHits = GetMUONData()->Hits(); // Added by Ivana to use the methods FisrtHit, NextHit of AliDetector
248 //____________________________________________________________________
249 void AliMUON::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
251 // Set the pad size for chamber id and cathode isec
253 ((AliMUONChamber*) fChambers->At(i)) ->SetPadSize(isec,p1,p2);
254 ((AliMUONChamber*) fChambers->At(i+1))->SetPadSize(isec,p1,p2);
257 //___________________________________________
258 void AliMUON::SetChambersZ(const Float_t *Z)
260 // Set Z values for all chambers (tracking and trigger)
261 // from the array pointed to by "Z"
262 for (Int_t ch = 0; ch < AliMUONConstants::NCh(); ch++)
263 ((AliMUONChamber*) fChambers->At(ch))->SetZ(Z[ch]);
266 //_________________________________________________________________
267 void AliMUON::SetChambersZToDefault()
269 // Set Z values for all chambers (tracking and trigger)
271 SetChambersZ(AliMUONConstants::DefaultChamberZ());
274 //_________________________________________________________________
275 void AliMUON::SetChargeSlope(Int_t id, Float_t p1)
277 // Set the inverse charge slope for chamber id
278 Int_t i=2*(id-1); //PH ((AliMUONChamber*) (*fChambers)[i])->SetSigmaIntegration(p1);
279 //PH ((AliMUONChamber*) (*fChambers)[i+1])->SetSigmaIntegration(p1);
280 ((AliMUONChamber*) fChambers->At(i))->SetChargeSlope(p1);
281 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSlope(p1);
283 //__________________________________________________________________
284 void AliMUON::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
286 // Set sigma of charge spread for chamber id
288 ((AliMUONChamber*) fChambers->At(i))->SetChargeSpread(p1,p2);
289 ((AliMUONChamber*) fChambers->At(i+1))->SetChargeSpread(p1,p2);
291 //___________________________________________________________________
292 void AliMUON::SetSigmaIntegration(Int_t id, Float_t p1)
294 // Set integration limits for charge spread
296 ((AliMUONChamber*) fChambers->At(i))->SetSigmaIntegration(p1);
297 ((AliMUONChamber*) fChambers->At(i+1))->SetSigmaIntegration(p1);
300 //__________________________________________________________________
301 void AliMUON::SetMaxAdc(Int_t id, Int_t p1)
303 // Set maximum number for ADCcounts (saturation)
305 ((AliMUONChamber*) fChambers->At(i))->SetMaxAdc(p1);
306 ((AliMUONChamber*) fChambers->At(i+1))->SetMaxAdc(p1);
308 //__________________________________________________________________
309 void AliMUON::SetMaxStepGas(Float_t p1)
311 // Set stepsize in gas
314 //__________________________________________________________________
315 void AliMUON::SetMaxStepAlu(Float_t p1)
317 // Set step size in Alu
320 //__________________________________________________________________
321 void AliMUON::SetMaxDestepGas(Float_t p1)
323 // Set maximum step size in Gas
326 //__________________________________________________________________
327 void AliMUON::SetMaxDestepAlu(Float_t p1)
329 // Set maximum step size in Alu
332 //___________________________________________________________________
333 void AliMUON::SetAcceptance(Bool_t acc, Float_t angmin, Float_t angmax)
335 // Set acceptance cuts
337 fAccMin=angmin*TMath::Pi()/180;
338 fAccMax=angmax*TMath::Pi()/180;
341 for (Int_t st = 0; st < AliMUONConstants::NCh() / 2; st++) {
342 // Loop over 2 chambers in the station
343 for (Int_t stCH = 0; stCH < 2; stCH++) {
345 // Set chamber inner and outer radius according to acceptance cuts
346 Chamber(ch).SetRInner(TMath::Abs(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMin)));
347 Chamber(ch).SetROuter(TMath::Abs(AliMUONConstants::DefaultChamberZ(ch)*TMath::Tan(fAccMax)));
353 //____________________________________________________________________
354 Float_t AliMUON::GetMaxStepGas() const
356 // Return stepsize in gas
361 //____________________________________________________________________
362 Float_t AliMUON::GetMaxStepAlu() const
364 // Return step size in Alu
369 //____________________________________________________________________
370 Float_t AliMUON::GetMaxDestepGas() const
372 // Return maximum step size in Gas
374 return fMaxDestepGas;
377 //____________________________________________________________________
378 Float_t AliMUON::GetMaxDestepAlu() const
380 // Return maximum step size in Gas
382 return fMaxDestepAlu;
384 //____________________________________________________________________
385 void AliMUON::SetSegmentationModel(Int_t id, Int_t isec, AliSegmentation *segmentation)
387 // Set the segmentation for chamber id cathode isec
388 ((AliMUONChamber*) fChambers->At(id))->SetSegmentationModel(isec, segmentation);
391 //____________________________________________________________________
392 void AliMUON::SetResponseModel(Int_t id, AliMUONResponse *response)
394 // Set the response for chamber id
395 ((AliMUONChamber*) fChambers->At(id))->SetResponseModel(response);
397 //____________________________________________________________________
398 void AliMUON::SetNsec(Int_t id, Int_t nsec)
400 // Set number of segmented cathods for chamber id
401 ((AliMUONChamber*) fChambers->At(id))->SetNsec(nsec);
403 //____________________________________________________________________
404 AliDigitizer* AliMUON::CreateDigitizer(AliRunDigitizer* manager) const
406 return new AliMUONDigitizerv2(manager);
408 //_____________________________________________________________________
409 void AliMUON::SDigits2Digits()
415 if (gAlice->GetDebug()>0) {
416 cerr<<"AliMUON::SDigits2Digits: create default AliMUONMerger "<<endl;
417 cerr<<" no merging, just digitization of 1 event will be done"<<endl;
419 fMerger = new AliMUONMerger();
424 // sprintf(hname,"TreeD%d",fLoader->GetHeader()->GetEvent());
425 fLoader->TreeD()->Write(hname,TObject::kOverwrite);
426 fLoader->TreeD()->Reset();
429 //_____________________________________________________________________
430 void AliMUON::Hits2SDigits()
432 // Adaption of AliMUONSDigitizerv1 to be excuted by the AliSimulation framework
433 AliRunLoader* runLoader = fLoader->GetRunLoader();
434 AliRunDigitizer * manager = new AliRunDigitizer(1,1);
435 manager->SetInputStream(0,runLoader->GetFileName(),AliConfig::GetDefaultEventFolderName());
436 AliMUONDigitizer * dMUON = new AliMUONSDigitizerv1(manager);
437 fLoader->LoadHits("READ");
438 for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
439 runLoader->GetEvent(iEvent);
442 fLoader->UnloadHits();
444 //_______________________________________________________________________
445 AliLoader* AliMUON::MakeLoader(const char* topfoldername)
447 //builds standard getter (AliLoader type)
448 //if detector wants to use castomized getter, it must overload this method
452 "Creating standard getter for detector %s. Top folder is %s.",
453 GetName(),topfoldername);
454 fLoader = new AliLoader(GetName(),topfoldername);
455 fMUONData = new AliMUONData(fLoader,GetName(),GetName());
456 fMUONData->SetSplitLevel(fSplitLevel);
460 //______________________________________________________________________
462 void AliMUON::Streamer(TBuffer &R__b)_
464 // Stream an object of class AliMUON.
465 AliMUONChamber *iChamber;
466 AliMUONTriggerCircuit *iTriggerCircuit;
467 AliSegmentation *segmentation;
468 AliMUONResponse *response;
469 TClonesArray *digitsaddress;
470 TClonesArray *rawcladdress;
472 if (R__b.IsReading()) {
473 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
474 AliDetector::Streamer(R__b);
476 R__b >> fPadHits; // diff
477 R__b >> fNLocalTrigger;
478 R__b >> fLocalTrigger;
479 R__b >> fNGlobalTrigger;
480 R__b >> fGlobalTrigger;
482 R__b >> fRawClusters;
483 R__b.ReadArray(fNdch);
484 R__b.ReadArray(fNrawch);
489 R__b >> fTriggerCircuits;
490 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
491 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
492 iTriggerCircuit->Streamer(R__b);
494 // Stream chamber related information
495 for (i =0; i<AliMUONConstants::NCh(); i++) {
496 iChamber=(AliMUONChamber*) (*fChambers)[i];
497 iChamber->Streamer(R__b);
498 if (iChamber->Nsec()==1) {
499 segmentation=iChamber->SegmentationModel(1);
501 segmentation->Streamer(R__b);
503 segmentation=iChamber->SegmentationModel(1);
505 segmentation->Streamer(R__b);
507 segmentation=iChamber->SegmentationModel(2);
508 segmentation->Streamer(R__b);
510 response=iChamber->ResponseModel();
512 response->Streamer(R__b);
513 digitsaddress=(TClonesArray*) (*fDchambers)[i];
514 digitsaddress->Streamer(R__b);
515 if (i < AliMUONConstants::NTrackingCh()) {
516 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
517 rawcladdress->Streamer(R__b);
522 R__b.WriteVersion(AliMUON::IsA());
523 AliDetector::Streamer(R__b);
525 R__b << fPadHits; // diff
526 R__b << fNLocalTrigger;
527 R__b << fLocalTrigger;
528 R__b << fNGlobalTrigger;
529 R__b << fGlobalTrigger;
531 R__b << fRawClusters;
532 R__b.WriteArray(fNdch, AliMUONConstants::NCh());
533 R__b.WriteArray(fNrawch, AliMUONConstants::NTrackingCh());
540 R__b << fTriggerCircuits;
541 for (i =0; i<AliMUONConstants::NTriggerCircuit(); i++) {
542 iTriggerCircuit=(AliMUONTriggerCircuit*) (*fTriggerCircuits)[i];
543 iTriggerCircuit->Streamer(R__b);
545 for (i =0; i<AliMUONConstants::NCh(); i++) {
546 iChamber=(AliMUONChamber*) (*fChambers)[i];
547 iChamber->Streamer(R__b);
548 if (iChamber->Nsec()==1) {
549 segmentation=iChamber->SegmentationModel(1);
551 segmentation->Streamer(R__b);
553 segmentation=iChamber->SegmentationModel(1);
555 segmentation->Streamer(R__b);
556 segmentation=iChamber->SegmentationModel(2);
558 segmentation->Streamer(R__b);
560 response=iChamber->ResponseModel();
562 response->Streamer(R__b);
563 digitsaddress=(TClonesArray*) (*fDchambers)[i];
564 digitsaddress->Streamer(R__b);
565 if (i < AliMUONConstants::NTrackingCh()) {
566 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
567 rawcladdress->Streamer(R__b);
573 //_______________________________________________________________________
574 AliMUONPadHit* AliMUON::FirstPad(AliMUONHit* hit, TClonesArray *clusters)
577 // Initialise the pad iterator
578 // Return the address of the first padhit for hit
579 TClonesArray *theClusters = clusters;
580 Int_t nclust = theClusters->GetEntriesFast();
581 if (nclust && hit->PHlast() > 0) {
582 AliMUON::fMaxIterPad=hit->PHlast();
583 AliMUON::fCurIterPad=hit->PHfirst();
584 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
589 //_______________________________________________________________________
590 AliMUONPadHit* AliMUON::NextPad(TClonesArray *clusters)
593 // Get next pad (in iterator)
595 AliMUON::fCurIterPad++;
596 if (AliMUON::fCurIterPad <= AliMUON::fMaxIterPad) {
597 return (AliMUONPadHit*) clusters->UncheckedAt(AliMUON::fCurIterPad-1);
602 //_______________________________________________________________________
604 AliMUONRawCluster *AliMUON::RawCluster(Int_t ichamber, Int_t icathod, Int_t icluster)
607 // Return rawcluster (icluster) for chamber ichamber and cathode icathod
609 TClonesArray *muonRawCluster = GetMUONData()->RawClusters(ichamber);
611 TTree *treeR = fLoader->TreeR();
612 Int_t nent=(Int_t)treeR->GetEntries();
613 treeR->GetEvent(nent-2+icathod-1);
614 //treeR->GetEvent(icathod);
615 //Int_t nrawcl = (Int_t)muonRawCluster->GetEntriesFast();
617 AliMUONRawCluster * mRaw = (AliMUONRawCluster*)muonRawCluster->UncheckedAt(icluster);
618 //printf("RawCluster _ nent nrawcl icluster mRaw %d %d %d%p\n",nent,nrawcl,icluster,mRaw);
622 //________________________________________________________________________
623 void AliMUON::SetMerger(AliMUONMerger* merger)
625 // Set pointer to merger
628 //________________________________________________________________________
629 AliMUONMerger* AliMUON::Merger()
631 // Return pointer to merger
634 //________________________________________________________________________
635 AliMUON& AliMUON::operator = (const AliMUON& /*rhs*/)