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 "AliPoints.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;
93 static AliEMCALHit *newHit, *curHit;
98 newHit = new AliEMCALHit(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
99 for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
100 curHit = (AliEMCALHit*) (*fHits)[hitCounter];
101 // We add hits with the same tracknumber, while GEANT treats
102 // primaries succesively
103 if(curHit->GetPrimary() != primary)
105 if( *curHit == *newHit ) {
106 *curHit = *curHit + *newHit;
108 // break; // 30-aug-04 by PAI
110 } // end for hitCounter
113 new((*fHits)[fNhits]) AliEMCALHit(*newHit);
116 // printf(" fNhits %i \n", fNhits);
120 //______________________________________________________________________
121 void AliEMCALv2::StepManager(void){
122 // Accumulates hits as long as the track stays in a tower
124 // position wrt MRS and energy deposited
125 static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
126 static Float_t pmom[4]={0.,0.,0.,0.};
127 static TLorentzVector pos; // Lorentz vector of the track current position.
128 static TLorentzVector mom; // Lorentz vector of the track current momentum.
129 static Float_t ienergy = 0; // part->Energy();
130 static TString curVolName;
131 static int supModuleNumber, moduleNumber, yNumber, xNumber, absid;
132 static int keyGeom=1; //real TRD1 geometry
133 static char *vn = "SCMX"; // Apr 13, 2006 - only TRD1 case now
134 static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
135 static int nSMON[7]={2,4,6,8,10,12};
136 static Float_t depositedEnergy=0.0;
140 if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) {
141 vn = "SCMX"; // old TRD2(TRD1) or WSUC
144 printf("AliEMCALv2::StepManager(): keyGeom %i : Sensetive volume %s \n",
146 if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
148 Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
152 curVolName = gMC->CurrentVolName();
153 if(curVolName.Contains(vn) || curVolName.Contains("SCX")) { // We are in a scintillator layer; SCX for 3X3
155 if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
156 // Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
158 fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
160 if (fCurParent==-1 || tracknumber != fCurTrack) {
162 //Int_t parent=tracknumber;
164 if (fCurParent != -1) {
165 while (parent != fCurParent && parent != -1) {
166 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
167 part=gAlice->GetMCApp()->Particle(parent);
168 parent=part->GetFirstMother();
171 if (fCurParent==-1 || parent==-1) {
172 //Int_t parent=tracknumber;
173 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
175 part=gAlice->GetMCApp()->Particle(parent);
176 while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
177 parent=part->GetFirstMother();
179 part=gAlice->GetMCApp()->Particle(parent);
183 Error("StepManager","Cannot find parent");
185 //TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
186 part=gAlice->GetMCApp()->Particle(fCurParent);
187 ienergy = part->Energy();
189 while (parent != -1) {
190 part=gAlice->GetMCApp()->Particle(parent);
191 part->SetBit(kKeepBit);
192 parent=part->GetFirstMother();
195 fCurTrack=tracknumber;
197 gMC->TrackPosition(pos);
201 xyzte[3] = gMC->TrackTime() ;
203 gMC->TrackMomentum(mom);
209 // if(ientry%200 > 0) return; // testing
210 supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
211 if(keyGeom >= 1) { // TRD1 case now
212 gMC->CurrentVolOffID(4, supModuleNumber);
213 gMC->CurrentVolOffID(3, moduleNumber);
214 gMC->CurrentVolOffID(1, yNumber);
215 gMC->CurrentVolOffID(0, xNumber); // really x number now
216 if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
218 if(strcmp(gMC->CurrentVolOffName(0),vn) != 0) { // 3X3 case
219 if (strcmp(gMC->CurrentVolOffName(0),"SCX1")==0) xNumber=1;
220 else if(strcmp(gMC->CurrentVolOffName(0),"SCX2")==0) xNumber=2;
221 else if(strcmp(gMC->CurrentVolOffName(0),"SCX3")==0) xNumber=3;
222 else Fatal("StepManager()", "Wrong name of sensetive volume in 3X3 case : %s ", gMC->CurrentVolOffName(0));
225 gMC->CurrentVolOffID(5, supModuleNumber);
226 gMC->CurrentVolOffID(4, moduleNumber);
227 gMC->CurrentVolOffID(1, yNumber);
228 gMC->CurrentVolOffID(0, xNumber);
229 if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
230 else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
231 else assert(0); // something wrong
233 absid = fGeometry->GetAbsCellId(supModuleNumber-1, moduleNumber-1, yNumber-1, xNumber-1);
236 printf(" supModuleNumber %i : moduleNumber %i : yNumber %i : xNumber %i \n",
237 supModuleNumber, moduleNumber, yNumber, xNumber);
238 Fatal("StepManager()", "Wrong id : %i ", absid) ;
241 Float_t lightYield = depositedEnergy ;
242 // Apply Birk's law (copied from G3BIRK)
244 if (gMC->TrackCharge()!=0) { // Check
245 Float_t birkC1Mod = 0;
246 if (fBirkC0==1){ // Apply correction for higher charge states
247 if (TMath::Abs(gMC->TrackCharge())>=2) birkC1Mod = fBirkC1*7.2/12.6;
248 else birkC1Mod = fBirkC1;
252 if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
254 lightYield=lightYield/(1.+birkC1Mod*dedxcm+fBirkC2*dedxcm*dedxcm);
257 // use sampling fraction to get original energy --HG
258 // xyzte[4] = lightYield * fGeometry->GetSampling();
259 xyzte[4] = lightYield; // 15-dec-04
262 printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
263 supModuleNumber,moduleNumber,yNumber,xNumber,absid, xyzte[4]);
265 AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xyzte, pmom);
266 } // there is deposited energy
270 //___________________________________________________________
271 void AliEMCALv2::Browse(TBrowser* b)
276 //___________________________________________________________
277 void AliEMCALv2::DrawCalorimeterCut(const char *name, int axis, double dcut)
279 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
280 TString g(fGeometry->GetName());
282 gMC->Gsatt("*", "seen", 0);
286 if(axis!=1) SetVolumeAttributes("STPL", 1, 1, fill);
290 if(sn.Contains("SCM")) colo=5;
291 SetVolumeAttributes(name, 1, colo, fill);
292 if(g.Contains("110DEG") && sn=="SMOD") SetVolumeAttributes("SM10", 1, colo, fill);
294 TString st(GetTitle());
298 char *optShad = "on", *optHide="on";
302 // optHide = optShad = "off";
304 if(dcut==0.) SetVolumeAttributes("SCM0", 1, 5, fill); // yellow
307 gMC->Gdopt("hide", optHide);
308 gMC->Gdopt("shad", optShad);
310 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
312 sprintf(cmd,"g3->Gdrawc(\"XEN1\", %i, %5.1f, 12., 8., %3.2f, %3.2f)\n", axis, dcut, cxy,cxy);
313 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
315 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
316 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
319 //___________________________________________________________
320 void AliEMCALv2::DrawSuperModuleCut(const char *name, int axis, double dcut, int fill)
322 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
323 TString sn(GetGeometry()->GetName());
325 char *tit[3]={"xcut", "ycut", "zcut"};
326 if(axis<1) axis=1; if(axis>3) axis=3;
328 gMC->Gsatt("*", "seen", 0);
331 // SetVolumeAttributes("SMOD", 1, 1, fill); // black
332 SetVolumeAttributes(name, 1, 5, fill); // yellow
334 double cxy=0.055, x0=10., y0=10.;
335 char *optShad = "on", *optHide="on";
336 SetVolumeAttributes("STPL", 1, 3, fill); // green
338 gMC->Gsatt("STPL", "seen", 0);
342 } else if(axis==3) cxy = 0.1;
344 gMC->Gdopt("hide", optHide);
345 gMC->Gdopt("shad", optShad);
347 TString st("Shish-Kebab, Compact, SMOD, ");
350 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
352 sprintf(cmd,"g3->Gdrawc(\"SMOD\", %i, %6.3f, %5.1f, %5.1f, %5.3f, %5.3f)\n",axis,dcut,x0,y0,cxy,cxy);
353 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
355 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
356 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
358 printf("Begin of super module\n");
359 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, 89., 10., 0.5, 0.5)\n");
360 printf("Center of super modules\n");
361 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, 0., 10., 0.5, 0.5)\n");
362 printf("end of super modules\n");
363 printf("g3->Gdrawc(\"SMOD\", 2, 0.300, -70., 10., 0.5, 0.5)\n");
366 //___________________________________________________________
367 void AliEMCALv2::DrawTowerCut(const char *name, int axis, double dcut, int fill, char *optShad)
369 // Size of tower is 5.6x5.6x24.8 (25.0); cut on Z axiz
370 if(axis<1) axis=1; if(axis>3) axis=3;
371 TString mn(name); mn.ToUpper();
372 TString sn(GetGeometry()->GetName());
374 gMC->Gsatt("*", "seen", 0);
375 gMC->Gsatt("*", "fill", fill);
377 // int mainColo=5; // yellow
379 SetVolumeAttributes(mn.Data(), 1, 1, fill);
380 SetVolumeAttributes("SCM0", 1, 5, fill); // yellow
381 SetVolumeAttributes("SCPA", 1, 3, fill); // green - 13-may-05
382 } else if(mn == "SCM0") { // first division
383 SetVolumeAttributes(mn.Data(), 1, 1, fill);
384 SetVolumeAttributes("SCMY", 1, 5, fill); // yellow
385 } else if(mn == "SCMY") { // first division
386 SetVolumeAttributes(mn.Data(), 1, 1, fill);
387 SetVolumeAttributes("SCMX", 1, 5, fill); // yellow
388 } else if(mn == "SCMX" || mn.Contains("SCX")) {
389 SetVolumeAttributes(mn.Data(), 1, 5, fill);// yellow
390 SetVolumeAttributes("PBTI", 1, 4, fill);
392 printf("<W> for volume |%s| did not defined volume attributes\n", mn.Data());
395 TString st("Shashlyk, 2x2 mm sampling, 77 layers, ");
398 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
399 double cx=0.78, cy=2.;
400 if (mn.Contains("EMOD")) {
405 gMC->Gdopt("hide", optShad);
406 gMC->Gdopt("shad", optShad);
408 sprintf(cmd,"g3->Gdrawc(\"%s\", %i, %6.2f, 10., 10., %5.3f, %5.3f)\n",name, axis,dcut,cx,cy);
409 printf("\n%s\n",cmd); gROOT->ProcessLine(cmd);
411 sprintf(cmd,"gMC->Gdhead(1111, \"%s\")\n", st.Data());
412 printf("%s\n",cmd); gROOT->ProcessLine(cmd);
415 //___________________________________________________________
416 void AliEMCALv2::DrawAlicWithHits(int mode)
418 // 20-sep-04; does not work now
420 if(h2==0) h2 = new TH2F("h2","test fo hits", 60,0.5,60.5, 28,0.5,28.5);
423 gROOT->ProcessLine("TGeant3 *g3 = (TGeant3*)gMC");
424 gMC->Gsatt("*","seen",0);
425 gMC->Gsatt("scm0","seen",5);
427 gROOT->ProcessLine("g3->Gdrawc(\"ALIC\", 1, 2.0, 12., -130, 0.3, 0.3)");
428 // g3->Gdrawc("ALIC", 1, 2.0, 10., -14, 0.05, 0.05)
431 TClonesArray *hits = Hits();
432 Int_t nhits = hits->GetEntries(), absId, nSupMod, nModule, nIphi, nIeta, iphi, ieta;
433 AliEMCALHit *hit = 0;
435 for(Int_t i=0; i<nhits; i++) {
436 hit = (AliEMCALHit*)hits->UncheckedAt(i);
437 absId = hit->GetId();
438 de = hit->GetEnergy();
440 if(fGeometry->GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta)){
441 // printf(" de %f abs id %i smod %i tower %i | cell iphi %i : ieta %i\n",
442 // de, absId, nSupMod, nModule, nIphi, nIeta);
444 fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
445 // printf(" iphi %i : ieta %i\n", iphi,ieta);
446 h2->Fill(double(ieta),double(iphi), de);
451 printf(" #hits %i : sum de %f -> %f \n", nhits, des, h2->Integral());
452 if(mode>0 && h2->Integral()>0.) h2->Draw();
455 //___________________________________________________________
456 void AliEMCALv2::SetVolumeAttributes(const char *name, int seen, int color, int fill)
458 /* seen=-2:volume is visible but none of its descendants;
459 -1:volume is not visible together with all its descendants;
460 0:volume is not visible;
461 1:volume is visible. */
462 gMC->Gsatt(name, "seen", seen);
463 gMC->Gsatt(name, "colo", color);
464 gMC->Gsatt(name, "fill", fill);
465 printf(" %s : seen %i color %i fill %i \n", name, seen, color, fill);
468 //___________________________________________________________
469 void AliEMCALv2::TestIndexTransition(int pri, int idmax)
471 // Test for EMCAL SHISHKEBAB geometry
473 Int_t nSupMod, nModule, nIphi, nIeta, idNew, nGood=0;
474 if(idmax==0) idmax = fGeometry->GetNCells();
475 for(Int_t id=1; id<=idmax; id++) {
476 if(!fGeometry->GetCellIndex(id, nSupMod, nModule, nIphi, nIeta)){
477 printf(" Wrong abs ID %i : #cells %i\n", id, fGeometry->GetNCells());
480 idNew = fGeometry->GetAbsCellId(nSupMod, nModule, nIphi, nIeta);
481 if(id != idNew || pri>0) {
482 printf(" ID %i : %i <- new id\n", id, idNew);
483 printf(" nSupMod %i ", nSupMod);
484 printf(" nModule %i ", nModule);
485 printf(" nIphi %i ", nIphi);
486 printf(" nIeta %i \n", nIeta);
490 printf(" Good decoding %i : %i <- #cells \n", nGood, fGeometry->GetNCells());