1 /**************************************************************************
2 * Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //_________________________________________________________________________
19 //*-- Implementation version v2 of EMCAL Manager class; SHASHLYK version
20 //*-- An object of this class does not produce digits
21 //*-- It is the one to use if you do want to produce outputs in TREEH
23 //*-- Author : Aleksei Pavlinov (WSU)
25 // This Class not stores information on all particles prior to EMCAL entry - in order to facilitate analysis.
26 // This is done by setting fIShunt =2, and flagging all parents of particles entering the EMCAL.
29 // --- ROOT system ---
31 #include <TClonesArray.h>
33 #include <TParticle.h>
35 #include <TVirtualMC.h>
37 // --- Standard library ---
39 // --- AliRoot header files ---
40 #include "AliEMCALv2.h"
41 #include "AliEMCALHit.h"
42 #include "AliEMCALGeometry.h"
44 #include "AliHeader.h"
47 #include "AliTrackReference.h"
48 // for TRD1 case only; May 31,2006
52 //______________________________________________________________________
53 AliEMCALv2::AliEMCALv2()
59 //______________________________________________________________________
60 AliEMCALv2::AliEMCALv2(const char *name, const char *title)
61 : AliEMCALv1(name,title)
65 fHits= new TClonesArray("AliEMCALHit",1000);
66 gAlice->GetMCApp()->AddHitList(fHits);
69 fIshunt = 2; // All hits are associated with particles entering the calorimeter
72 fGeometry = GetGeometry();
75 //______________________________________________________________________
76 AliEMCALv2::~AliEMCALv2(){
86 //______________________________________________________________________
87 void AliEMCALv2::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy,
88 Int_t id, Float_t * hits,Float_t * p){
89 // Add a hit to the hit list.
90 // An EMCAL hit is the sum of all hits in a tower section
91 // originating from the same entering particle
92 static Int_t hitCounter=0;
93 static AliEMCALHit *newHit=0, *curHit=0;
94 static Bool_t deja=kFALSE;
96 newHit = new AliEMCALHit(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
97 for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
98 curHit = (AliEMCALHit*) (*fHits)[hitCounter];
99 // We add hits with the same tracknumber, while GEANT treats
100 // primaries succesively
101 if(curHit->GetPrimary() != primary)
103 if( *curHit == *newHit ) {
104 *curHit = *curHit + *newHit;
106 // break; // 30-aug-04 by PAI
108 } // end for hitCounter
111 new((*fHits)[fNhits]) AliEMCALHit(*newHit);
114 // printf(" fNhits %i \n", fNhits);
118 //______________________________________________________________________
119 void AliEMCALv2::StepManager(void){
120 // Accumulates hits as long as the track stays in a tower
122 // position wrt MRS and energy deposited
123 static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
124 static Float_t pmom[4]={0.,0.,0.,0.};
125 static TLorentzVector pos; // Lorentz vector of the track current position.
126 static TLorentzVector mom; // Lorentz vector of the track current momentum.
127 static Float_t ienergy = 0; // part->Energy();
128 static TString curVolName="";
129 static int supModuleNumber=-1, moduleNumber=-1, yNumber=-1, xNumber=-1, absid=-1;
130 static int keyGeom=1; //real TRD1 geometry
131 static const char *vn = "SCMX"; // Apr 13, 2006 - only TRD1 case now
132 static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
133 static int nSMON[7]={2,4,6,8,10,12};
134 static Float_t depositedEnergy=0.0;
138 if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) {
139 vn = "SCMX"; // old TRD2(TRD1) or WSUC
142 printf("AliEMCALv2::StepManager(): keyGeom %i : Sensetive volume %s \n",
144 if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
146 Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
150 curVolName = gMC->CurrentVolName();
151 if(curVolName.Contains(vn) || curVolName.Contains("SCX")) { // We are in a scintillator layer; SCX for 3X3
153 if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
154 // Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
156 fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
158 if (fCurParent==-1 || tracknumber != fCurTrack) {
162 if (fCurParent != -1) {
163 while (parent != fCurParent && parent != -1) {
164 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
165 part=gAlice->GetMCApp()->Particle(parent);
166 parent=part->GetFirstMother();
169 if (fCurParent==-1 || parent==-1) {
170 //Int_t parent=tracknumber;
171 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
173 part=gAlice->GetMCApp()->Particle(parent);
174 while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
175 parent=part->GetFirstMother();
177 part=gAlice->GetMCApp()->Particle(parent);
181 Error("StepManager","Cannot find parent");
183 //TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
184 part=gAlice->GetMCApp()->Particle(fCurParent);
185 ienergy = part->Energy();
187 //Add reference to parent in TR tree.
188 AddTrackReference(tracknumber, AliTrackReference::kEMCAL);
191 while (parent != -1) {
192 part=gAlice->GetMCApp()->Particle(parent);
193 part->SetBit(kKeepBit);
194 parent=part->GetFirstMother();
197 fCurTrack=tracknumber;
199 gMC->TrackPosition(pos);
203 xyzte[3] = gMC->TrackTime() ;
205 gMC->TrackMomentum(mom);
211 // if(ientry%200 > 0) return; // testing
212 supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
213 if(keyGeom >= 1) { // TRD1 case now
214 gMC->CurrentVolOffID(4, supModuleNumber);
215 gMC->CurrentVolOffID(3, moduleNumber);
216 gMC->CurrentVolOffID(1, yNumber);
217 gMC->CurrentVolOffID(0, xNumber); // really x number now
218 if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
220 if(strcmp(gMC->CurrentVolOffName(0),vn) != 0) { // 3X3 case
221 if (strcmp(gMC->CurrentVolOffName(0),"SCX1")==0) xNumber=1;
222 else if(strcmp(gMC->CurrentVolOffName(0),"SCX2")==0) xNumber=2;
223 else if(strcmp(gMC->CurrentVolOffName(0),"SCX3")==0) xNumber=3;
224 else Fatal("StepManager()", "Wrong name of sensitive volume in 3X3 case : %s ", gMC->CurrentVolOffName(0));
227 gMC->CurrentVolOffID(5, supModuleNumber);
228 gMC->CurrentVolOffID(4, moduleNumber);
229 gMC->CurrentVolOffID(1, yNumber);
230 gMC->CurrentVolOffID(0, xNumber);
231 if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
232 else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
233 else assert(0); // something wrong
236 // Due to problem with index ordering conventions the calcultation of absid is no more like this:
237 //absid = fGeometry->GetAbsCellId(smNumber, moduleNumber-1, yNumber-1, xNumber-1);
239 //Swap A side in Phi and C side in Eta due to wrong indexing.
242 Int_t smNumber = supModuleNumber-1;
244 fGeometry->GetCellPhiEtaIndexInSModule(smNumber,moduleNumber-1,yNumber-1,xNumber-1, iphi, ieta);
245 if (smNumber%2 == 0) {
246 ieta = ((fGeometry->GetCentersOfCellsEtaDir()).GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
249 if(smNumber >= 10) smType = 2 ; //half supermodule
250 iphi= ((fGeometry->GetCentersOfCellsPhiDir()).GetSize()/smType-1)-iphi;//23-iphi, revert the ordering on C side in order to keep convention.
253 //Once we know the indexes, calculate the absolute ID
254 absid = fGeometry->GetAbsCellIdFromCellIndexes(smNumber, iphi, ieta);
257 printf(" supModuleNumber %i : moduleNumber %i : yNumber %i : xNumber %i \n",
258 supModuleNumber, moduleNumber, yNumber, xNumber);
259 Fatal("StepManager()", "Wrong id : %i ", absid) ;
262 Float_t lightYield = depositedEnergy ;
263 // Apply Birk's law (copied from G3BIRK)
265 if (gMC->TrackCharge()!=0) { // Check
266 Float_t birkC1Mod = 0;
267 if (fBirkC0==1){ // Apply correction for higher charge states
268 if (TMath::Abs(gMC->TrackCharge())>=2) birkC1Mod = fBirkC1*7.2/12.6;
269 else birkC1Mod = fBirkC1;
273 if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
275 lightYield=lightYield/(1.+birkC1Mod*dedxcm+fBirkC2*dedxcm*dedxcm);
278 // use sampling fraction to get original energy --HG
279 // xyzte[4] = lightYield * fGeometry->GetSampling();
280 xyzte[4] = lightYield; // 15-dec-04
283 printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
284 supModuleNumber,moduleNumber,yNumber,xNumber,absid, xyzte[4]);
286 AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xyzte, pmom);
287 } // there is deposited energy
291 //___________________________________________________________
292 void AliEMCALv2::Browse(TBrowser* b)
297 //___________________________________________________________
298 void AliEMCALv2::DrawCalorimeterCut(const char *name, int axis, double dcut)
300 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
301 TString g(fGeometry->GetName());
303 gMC->Gsatt("*", "seen", 0);
307 if(axis!=1) SetVolumeAttributes("STPL", 1, 1, fill);
311 if(sn.Contains("SCM")) colo=5;
312 SetVolumeAttributes(name, 1, colo, fill);
313 if(g.Contains("110DEG") && sn=="SMOD") SetVolumeAttributes("SM10", 1, colo, fill);
315 TString st(GetTitle());
319 const char *optShad = "on", *optHide="on";
323 // optHide = optShad = "off";
325 if(dcut==0.) SetVolumeAttributes("SCM0", 1, 5, fill); // yellow
328 gMC->Gdopt("hide", optHide);
329 gMC->Gdopt("shad", optShad);
331 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
333 sprintf(cmd,"g3->Gdrawc(\"XEN1\", %i, %5.1f, 12., 8., %3.2f, %3.2f)\n", axis, dcut, cxy,cxy);
334 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
336 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
337 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
340 //___________________________________________________________
341 void AliEMCALv2::DrawSuperModuleCut(const char *name, int axis, double dcut, int fill)
343 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
344 TString sn(GetGeometry()->GetName());
346 const char *tit[3]={"xcut", "ycut", "zcut"};
347 if(axis<1) axis=1; if(axis>3) axis=3;
349 gMC->Gsatt("*", "seen", 0);
352 // SetVolumeAttributes("SMOD", 1, 1, fill); // black
353 SetVolumeAttributes(name, 1, 5, fill); // yellow
355 double cxy=0.055, x0=10., y0=10.;
356 const char *optShad = "on", *optHide="on";
357 SetVolumeAttributes("STPL", 1, 3, fill); // green
359 gMC->Gsatt("STPL", "seen", 0);
363 } else if(axis==3) cxy = 0.1;
365 gMC->Gdopt("hide", optHide);
366 gMC->Gdopt("shad", optShad);
368 TString st("Shish-Kebab, Compact, SMOD, ");
371 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
373 sprintf(cmd,"g3->Gdrawc(\"SMOD\", %i, %6.3f, %5.1f, %5.1f, %5.3f, %5.3f)\n",axis,dcut,x0,y0,cxy,cxy);
374 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
376 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
377 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
379 printf("Begin of super module\n");
380 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, 89., 10., 0.5, 0.5)\n");
381 printf("Center of super modules\n");
382 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, 0., 10., 0.5, 0.5)\n");
383 printf("end of super modules\n");
384 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, -70., 10., 0.5, 0.5)\n");
387 //___________________________________________________________
388 void AliEMCALv2::DrawTowerCut(const char *name, int axis, double dcut, int fill, const char *optShad)
390 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
391 if(axis<1) axis=1; if(axis>3) axis=3;
392 TString mn(name); mn.ToUpper();
393 TString sn(GetGeometry()->GetName());
395 gMC->Gsatt("*", "seen", 0);
396 gMC->Gsatt("*", "fill", fill);
398 // int mainColo=5; // yellow
400 SetVolumeAttributes(mn.Data(), 1, 1, fill);
401 SetVolumeAttributes("SCM0", 1, 5, fill); // yellow
402 SetVolumeAttributes("SCPA", 1, 3, fill); // green - 13-may-05
403 } else if(mn == "SCM0") { // first division
404 SetVolumeAttributes(mn.Data(), 1, 1, fill);
405 SetVolumeAttributes("SCMY", 1, 5, fill); // yellow
406 } else if(mn == "SCMY") { // first division
407 SetVolumeAttributes(mn.Data(), 1, 1, fill);
408 SetVolumeAttributes("SCMX", 1, 5, fill); // yellow
409 } else if(mn == "SCMX" || mn.Contains("SCX")) {
410 SetVolumeAttributes(mn.Data(), 1, 5, fill);// yellow
411 SetVolumeAttributes("PBTI", 1, 4, fill);
413 printf("<W> for volume |%s| did not defined volume attributes\n", mn.Data());
416 TString st("Shashlyk, 2x2 mm sampling, 77 layers, ");
419 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
420 double cx=0.78, cy=2.;
421 if (mn.Contains("EMOD")) {
426 gMC->Gdopt("hide", optShad);
427 gMC->Gdopt("shad", optShad);
429 sprintf(cmd,"g3->Gdrawc(\"%s\", %i, %6.2f, 10., 10., %5.3f, %5.3f)\n",name, axis,dcut,cx,cy);
430 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
432 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
433 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
436 //___________________________________________________________
437 void AliEMCALv2::DrawAlicWithHits(int mode)
439 // 20-sep-04; does not work now
441 if(h2==0) h2 = new TH2F("h2","test fo hits", 60,0.5,60.5, 28,0.5,28.5);
444 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
445 gMC->Gsatt("*","seen",0);
446 gMC->Gsatt("scm0","seen",5);
448 gROOT->ProcessLine("g3->Gdrawc(\"ALIC\", 1, 2.0, 12., -130, 0.3, 0.3)");
449 // g3->Gdrawc("ALIC", 1, 2.0, 10., -14, 0.05, 0.05)
452 TClonesArray *hits = Hits();
453 Int_t nhits = hits->GetEntries(), absId, nSupMod, nModule, nIphi, nIeta, iphi, ieta;
454 AliEMCALHit *hit = 0;
455 Double_t de=0., des=0.;
456 for(Int_t i=0; i<nhits; i++) {
457 hit = (AliEMCALHit*)hits->UncheckedAt(i);
458 absId = hit->GetId();
459 de = hit->GetEnergy();
461 if(fGeometry->GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta)){
462 // printf(" de %f abs id %i smod %i tower %i | cell iphi %i : ieta %i\n",
463 // de, absId, nSupMod, nModule, nIphi, nIeta);
465 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
466 // printf(" iphi %i : ieta %i\n", iphi,ieta);
467 h2->Fill(double(ieta),double(iphi), de);
472 printf(" #hits %i : sum de %f -> %f \n", nhits, des, h2->Integral());
473 if(mode>0 && h2->Integral()>0.) h2->Draw();
476 //___________________________________________________________
477 void AliEMCALv2::SetVolumeAttributes(const char *name, int seen, int color, int fill)
479 /* seen=-2:volume is visible but none of its descendants;
480 -1:volume is not visible together with all its descendants;
481 0:volume is not visible;
482 1:volume is visible. */
483 gMC->Gsatt(name, "seen", seen);
484 gMC->Gsatt(name, "colo", color);
485 gMC->Gsatt(name, "fill", fill);
486 printf(" %s : seen %i color %i fill %i \n", name, seen, color, fill);
489 //___________________________________________________________
490 void AliEMCALv2::TestIndexTransition(int pri, int idmax)
492 // Test for EMCAL SHISHKEBAB geometry
494 Int_t nSupMod, nModule, nIphi, nIeta, idNew, nGood=0;
495 if(idmax==0) idmax = fGeometry->GetNCells();
496 for(Int_t id=1; id<=idmax; id++) {
497 if(!fGeometry->GetCellIndex(id, nSupMod, nModule, nIphi, nIeta)){
498 printf(" Wrong abs ID %i : #cells %i\n", id, fGeometry->GetNCells());
501 idNew = fGeometry->GetAbsCellId(nSupMod, nModule, nIphi, nIeta);
502 if(id != idNew || pri>0) {
503 printf(" ID %i : %i <- new id\n", id, idNew);
504 printf(" nSupMod %i ", nSupMod);
505 printf(" nModule %i ", nModule);
506 printf(" nIphi %i ", nIphi);
507 printf(" nIeta %i \n", nIeta);
511 printf(" Good decoding %i : %i <- #cells \n", nGood, fGeometry->GetNCells());