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New calibration classes. They depend on TTable, so libTable.so is added to the list...
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALv3.cxx
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58feed7c 1/**************************************************************************
2 * Copyright(c) 1998-2004, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/* $Id$ */
17
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
22//*--
23//*-- Author : Aleksei Pavlinov (WSU)
24
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.
27
28// --- ROOT system ---
29#include "AliEMCALv3.h"
30#include "AliEMCALHitv1.h"
31
32#include "TParticle.h"
33#include "TVirtualMC.h"
34#include "TBrowser.h"
35#include "TH1.h"
36#include "TH2.h"
21e7df44 37#include <cassert>
58feed7c 38
39// --- Standard library ---
40
41// --- AliRoot header files ---
42#include "AliEMCALGeometry.h"
43#include "AliRun.h"
44#include "AliHeader.h"
45#include "AliMC.h"
5bf6eb16 46#include "AliStack.h"
58feed7c 47#include "AliPoints.h"
58feed7c 48// for TRD1,2 case
49
50ClassImp(AliEMCALv3)
51
52 //extern "C" void gdaxis_(float &x0, float &y0, float &z0, float &axsiz);
53
54
55//______________________________________________________________________
56AliEMCALv3::AliEMCALv3():AliEMCALv1(){
57 // ctor
58
59}
60
61//______________________________________________________________________
62AliEMCALv3::AliEMCALv3(const char *name, const char *title): AliEMCALv1(name,title) {
63 // Standard Creator.
64
65 fHits= new TClonesArray("AliEMCALHitv1",2000);
66 gAlice->GetMCApp()->AddHitList(fHits);
67
68 fNhits = 0;
69 fIshunt = 2; // All hits are associated with particles entering the calorimeter
70 fTimeCut = 30e-09;
71
72 fGeometry = GetGeometry();
73 fHDe = fHNhits = 0;
74 // if (gDebug>0){
75 if (1){
76 TH1::AddDirectory(0);
77 fHDe = new TH1F("fHDe","De in EMCAL", 1000, 0., 1.);
78 fHNhits = new TH1F("fHNhits","#hits in EMCAL", 1001, -0.5, 1000.5);
79 int nbin = 77*2;
80 fHDeDz = new TH1F("fHDeDz","Longitudinal shower profile", 6*nbin, 0.0, 0.16*nbin);
81
82 fHistograms->Add(fHDe);
83 fHistograms->Add(fHNhits);
84 fHistograms->Add(fHDeDz);
85 TH1::AddDirectory(1);
86 }
87}
88
0a4cb131 89//______________________________________________________________________
90AliEMCALv3::AliEMCALv3(const AliEMCALv3 & emcal):AliEMCALv1(emcal)
91{
92 fGeometry = emcal.fGeometry;
93 fHDe = emcal.fHDe;
94 fHNhits = emcal.fHNhits;
95 fHDeDz = emcal.fHDeDz;
96
97}
98
58feed7c 99//______________________________________________________________________
100AliEMCALv3::~AliEMCALv3(){
101 // dtor
102
103 if ( fHits) {
104 fHits->Delete();
105 delete fHits;
106 fHits = 0;
107 }
108}
109
110//______________________________________________________________________
111void AliEMCALv3::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy,
112 Int_t id, Float_t * hits,Float_t * p){
113 // Add a hit to the hit list.
114 // An EMCAL hit is the sum of all hits in a tower section
115 // originating from the same entering particle
116 static Int_t hitCounter;
117 static AliEMCALHitv1 *newHit, *curHit;
118 static Bool_t deja;
119
120 deja = kFALSE;
121
122 newHit = new AliEMCALHitv1(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
123 for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
124 curHit = (AliEMCALHitv1*) (*fHits)[hitCounter];
125 // We add hits with the same tracknumber, while GEANT treats
126 // primaries succesively
127 if(curHit->GetPrimary() != primary)
128 break;
129 if( *curHit == *newHit ) {
130 *curHit = *curHit + *newHit;
131 deja = kTRUE;
132 // break; // 30-aug-04 by PAI
133 } // end if
134 } // end for hitCounter
135
136 if ( !deja ) {
137 new((*fHits)[fNhits]) AliEMCALHitv1(*newHit);
138 fNhits++;
139 }
140 // printf(" fNhits %i \n", fNhits);
141 delete newHit;
142}
143//______________________________________________________________________
144void AliEMCALv3::StepManager(void){
145 // Accumulates hits as long as the track stays in a tower
146
147 // position wrt MRS and energy deposited
148 static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
149 static Float_t pmom[4]={0.,0.,0.,0.};
150 static TLorentzVector pos; // Lorentz vector of the track current position.
151 static TLorentzVector mom; // Lorentz vector of the track current momentum.
152 static Float_t ienergy = 0;
153 static TString curVolName;
154 static int supModuleNumber, moduleNumber, yNumber, xNumber, absid;
155 static int keyGeom=0;
156 static char *vn = "SX"; // 15-mar-05
157 static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
158 static int nSMON[7]={2,4,6,8,10,12};
159 static Float_t depositedEnergy=0.0;
160
161 if(keyGeom == 0) {
162 keyGeom = 2;
163 if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) {
164 vn = "SCMX"; // old TRD2(TRD1) or WSUC
165 keyGeom = 1;
166 }
167 printf("AliEMCALv3::StepManager(): keyGeom %i : Sensetive volume %s \n",
168 keyGeom, vn);
169 if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
170 }
171 Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
172
173 curVolName = gMC->CurrentVolName();
174 if(curVolName.Contains(vn)) { // We are in a scintillator layer
175 // printf(" keyGeom %i : Sensetive volume %s (%s) \n", keyGeom, curVolName.Data(), vn);
176
177 if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
178 // Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
179 if (fCurPrimary==-1)
180 fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
181
182 if (fCurParent==-1 || tracknumber != fCurTrack) {
183 // Check parentage
184 Int_t parent=tracknumber;
185 if (fCurParent != -1) {
186 while (parent != fCurParent && parent != -1) {
187 TParticle *part=gAlice->GetMCApp()->Particle(parent);
188 parent=part->GetFirstMother();
189 }
190 }
191 if (fCurParent==-1 || parent==-1) {
192 Int_t parent=tracknumber;
193 TParticle *part=gAlice->GetMCApp()->Particle(parent);
194 while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
195 parent=part->GetFirstMother();
196 if (parent!=-1)
197 part=gAlice->GetMCApp()->Particle(parent);
198 }
199 fCurParent=parent;
200 if (fCurParent==-1)
201 Error("StepManager","Cannot find parent");
202 else {
203 TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
204 ienergy = part->Energy();
205 }
206 while (parent != -1) {
207 part=gAlice->GetMCApp()->Particle(parent);
208 part->SetBit(kKeepBit);
209 parent=part->GetFirstMother();
210 }
211 }
212 fCurTrack=tracknumber;
213 }
214 gMC->TrackPosition(pos);
215 xyzte[0] = pos[0];
216 xyzte[1] = pos[1];
217 xyzte[2] = pos[2];
218 xyzte[3] = gMC->TrackTime() ;
219
220 gMC->TrackMomentum(mom);
221 pmom[0] = mom[0];
222 pmom[1] = mom[1];
223 pmom[2] = mom[2];
224 pmom[3] = mom[3];
225
226 // if(ientry%200 > 0) return; // testing
227 supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
228 if(keyGeom >= 1) { // old style
229 gMC->CurrentVolOffID(4, supModuleNumber);
230 gMC->CurrentVolOffID(3, moduleNumber);
231 gMC->CurrentVolOffID(1, yNumber);
232 gMC->CurrentVolOffID(0, xNumber); // really x number now
233 if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
234 } else {
235 gMC->CurrentVolOffID(5, supModuleNumber);
236 gMC->CurrentVolOffID(4, moduleNumber);
237 gMC->CurrentVolOffID(1, yNumber);
238 gMC->CurrentVolOffID(0, xNumber);
239 if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
240 else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
241 else assert(0); // something wrong
242 }
243 absid = fGeometry->GetAbsCellId(supModuleNumber, moduleNumber, yNumber, xNumber);
244
245 if (absid == -1) Fatal("StepManager()", "Wrong id ") ;
246
247 Float_t lightYield = depositedEnergy ;
248 // Apply Birk's law (copied from G3BIRK)
249
250 if (gMC->TrackCharge()!=0) { // Check
251 Float_t BirkC1_mod = 0;
252 if (fBirkC0==1){ // Apply correction for higher charge states
253 if (TMath::Abs(gMC->TrackCharge())>=2) BirkC1_mod=fBirkC1*7.2/12.6;
254 else BirkC1_mod=fBirkC1;
255 }
256
257 Float_t dedxcm;
258 if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
259 else dedxcm=0;
260 lightYield=lightYield/(1.+BirkC1_mod*dedxcm+fBirkC2*dedxcm*dedxcm);
261 }
262
263 xyzte[4] = lightYield; // 15-dec-04
264 Float_t xd[5]; // see Gmtod
265 gMC->Gmtod(xyzte, xd, 1);
266 xd[3] = xyzte[3];
267 xd[4] = xyzte[4];
268 // printf(" x %7.2f y %7.2f z %7.2f de %f\n", xd[0], xd[1], xd[2], xd[4]);
269
270 if (gDebug == -2)
271 printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
272 supModuleNumber,moduleNumber,yNumber,xNumber,absid, xd[4]);
273
274 AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xd, pmom);
275 } // there is deposited energy
276 }
277}
278
279void AliEMCALv3::FinishEvent()
280{ // 26-may-05
281 static double de=0.;
282 fHNhits->Fill(double(fHits->GetEntries()));
283 de = GetDepositEnergy(0);
284 if(fHDe) fHDe->Fill(de);
285}
286
287Double_t AliEMCALv3::GetDepositEnergy(int print)
288{ // 23-mar-05 - for testing
289 // cout<<"AliEMCALv3::GetDepositEnergy() : fHits "<<fHits<<endl;
290 if(fHits == 0) return 0.;
291 static AliEMCALHitv1 *hit=0;
292 static Double_t de=0., deHit=0., zhl=0.0, zShift = 0.16*77;
293 for(int ih=0; ih<fHits->GetEntries(); ih++) {
294 hit = (AliEMCALHitv1*)fHits->UncheckedAt(ih);
295 deHit = (double)hit->GetEnergy();
296 zhl = (double)hit->Z() + zShift;
297 if(zhl>2.*zShift) zhl = 2*zShift - 0.002;
298 de += deHit;
299 if(fHDeDz) fHDeDz->Fill(zhl, deHit);
300 }
301 if(print>0) {
302 printf(" #hits %i de %f \n", fHits->GetEntries(), de);
303 if(print>1) {
304 printf(" #primary particles %i\n", gAlice->GetHeader()->GetNprimary());
305 }
306 }
307 return de;
308}
309
310void AliEMCALv3::Browse(TBrowser* b)
311{
312 TObject::Browse(b);
313}