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 **************************************************************************/
18 /////////////////////////////////////////////////////////////////////
20 // Class performing TOF Trigger
21 // Cosmic_Multi_muon: Cosmic Multi-Muonic Event Trigger (L0)
22 // ppMB: p-p Minimum Bias Event Trigger (L0)
23 // UltraPer_Coll: Ultra-Peripheral Collision Event Trigger (L0)
24 // High_Mult: High Multiplicity Event Trigger (L0)
25 // Jet: Events with Jet Topology Trigger (L1)
27 /////////////////////////////////////////////////////////////////////
29 #include "AliTOFTrigger.h"
32 #include "AliLoader.h"
33 #include "AliRunLoader.h"
34 #include "AliTriggerInput.h"
35 #include "AliTOFdigit.h"
38 //-------------------------------------------------------------------------
39 ClassImp(AliTOFTrigger)
41 //----------------------------------------------------------------------
42 AliTOFTrigger::AliTOFTrigger() :
55 for (Int_t i=0;i<kNLTM;i++){
56 for (Int_t j=0;j<kNLTMchannels;j++){
57 fLTMmatrix[i][j]=kFALSE;
60 for (Int_t j=0;j<kNCTTMchannels;j++){
61 fCTTMmatrixFront[i][j]=kFALSE;
62 fCTTMmatrixBack[i][j]=kFALSE;
69 //----------------------------------------------------------------------
70 AliTOFTrigger::AliTOFTrigger(Int_t HighMultTh, Int_t ppMBTh, Int_t MultiMuonTh, Int_t UPTh, Float_t deltaminpsi, Float_t deltamaxpsi, Float_t deltaminro, Float_t deltamaxro, Int_t stripWindow) : AliTriggerDetector()
72 //ctor with thresholds for triggers
73 fHighMultTh=HighMultTh;
75 fMultiMuonTh=MultiMuonTh;
77 fdeltaminpsi = deltaminpsi;
78 fdeltamaxpsi = deltamaxpsi;
79 fdeltaminro = deltaminro;
80 fdeltamaxro = deltamaxro;
81 fstripWindow = stripWindow;
82 for (Int_t i=0;i<kNLTM;i++){
83 for (Int_t j=0;j<kNLTMchannels;j++){
84 fLTMmatrix[i][j]=kFALSE;
87 for (Int_t j=0;j<kNCTTMchannels;j++){
88 fCTTMmatrixFront[i][j]=kFALSE;
89 fCTTMmatrixBack[i][j]=kFALSE;
97 //____________________________________________________________________________
99 AliTOFTrigger::AliTOFTrigger(const AliTOFTrigger & tr):AliTriggerDetector()
102 fHighMultTh=tr.fHighMultTh;
104 fMultiMuonTh=tr.fMultiMuonTh;
106 fdeltaminpsi = tr.fdeltaminpsi;
107 fdeltamaxpsi = tr.fdeltamaxpsi;
108 fdeltaminro = tr.fdeltaminro;
109 fdeltamaxro = tr.fdeltamaxro;
110 fstripWindow = tr.fstripWindow;
111 for (Int_t i=0;i<kNLTM;i++){
112 for (Int_t j=0;j<kNLTMchannels;j++){
113 fLTMmatrix[i][j]=tr.fLTMmatrix[i][j];
116 for (Int_t j=0;j<kNCTTMchannels;j++){
117 fCTTMmatrixFront[i][j]=tr.fCTTMmatrixFront[i][j];
118 fCTTMmatrixBack[i][j]=tr.fCTTMmatrixBack[i][j];
122 SetName(tr.GetName());
124 //fInputs=&(tr.GetInputs());
127 //----------------------------------------------------------------------
129 void AliTOFTrigger::CreateInputs()
132 // Do not create inputs again!!
133 if( fInputs.GetEntriesFast() > 0 ) return;
135 fInputs.AddLast(new AliTriggerInput("TOF_Cosmic_MultiMuon_L0","Cosmic Multimuon Topology",0x01));
136 fInputs.AddLast(new AliTriggerInput("TOF_pp_MB_L0","pp Minimum Bias",0x02));
137 fInputs.AddLast(new AliTriggerInput("TOF_UltraPer_Coll_L0","Ultra Peripheral Collisions",0x04));
139 fInputs.AddLast(new AliTriggerInput("TOF_High_Mult_L0","High Multiplicity",0x08));
140 fInputs.AddLast(new AliTriggerInput("TOF_Jet_L1","Jet Search",0x10));
143 //----------------------------------------------------------------------
144 void AliTOFTrigger::Trigger(){
147 Int_t nchonFront = 0;
150 Int_t nchonFrontBack = 0;
151 Int_t nchonFront1 = 0;
152 Int_t nchonBack1 = 0;
153 Int_t nchonFrontBack1 = 0;
154 Int_t mindeltapsi = (Int_t)fdeltaminpsi/10;
155 Int_t maxdeltapsi = (Int_t)fdeltamaxpsi/10;
156 Int_t mindeltaro = (Int_t)fdeltaminro/10;
157 Int_t maxdeltaro = (Int_t)fdeltamaxro/10;
158 for (Int_t i=0;i<kNCTTM;i++){
159 for (Int_t j=0;j<kNCTTMchannels;j++){
160 fCTTMmatrixFront[i][j]=kFALSE;
161 fCTTMmatrixBack[i][j]=kFALSE;
164 for (Int_t i=0;i<kNCTTM;i++){
165 for (Int_t j=0;j<kNCTTMchannels;j++){
166 fCTTMmatrixFront[i][j] = (fLTMmatrix[i][j*2] || fLTMmatrix[i][j*2+1]);
167 if (fCTTMmatrixFront[i][j]) nchonFront++;
171 for (Int_t i=kNCTTM;i<(kNCTTM*2);i++){
172 for (Int_t j=0;j<kNCTTMchannels;j++){
173 fCTTMmatrixBack[i-kNCTTM][j] = (fLTMmatrix[i][j*2] || fLTMmatrix[i][j*2+1]);
174 if (fCTTMmatrixBack[i-kNCTTM][j]) nchonBack++;
178 nchonTot = nchonFront + nchonBack;
180 //pp Minimum Bias Trigger
181 if (nchonTot >= fppMBTh) {
182 SetInput("TOF_pp_MB_L0");
185 //High Multiplicity Trigger
186 if (nchonTot >= fHighMultTh) {
187 SetInput("TOF_High_Mult_L0");
196 Bool_t boolCTTMor = kFALSE;
198 for (Int_t i=0;i<(kNCTTM/2);i++){
199 Int_t iopp = i+kNCTTM/2;
200 for (Int_t j=0;j<kNCTTMchannels;j++){
201 if (fCTTMmatrixFront[i][j]){
202 Int_t minj = j-fstripWindow;
203 Int_t maxj = j+fstripWindow;
205 if (maxj>=kNCTTMchannels) maxj = kNCTTMchannels-1;
207 for (Int_t k = minj;k<=maxj;k++){
208 boolCTTMor |= fCTTMmatrixFront[iopp][k];
215 if (fCTTMmatrixBack[i][j]){
216 Int_t minj = j-fstripWindow;
217 Int_t maxj = j+fstripWindow;
219 if (maxj>=kNCTTMchannels) maxj =kNCTTMchannels-1;
221 for (Int_t k = minj;k<=maxj;k++){
222 boolCTTMor |= fCTTMmatrixBack[iopp][k];
231 nchonFrontBack = nchonFront+nchonBack;
238 for (Int_t i=0;i<(kNCTTM/2);i++){
239 Int_t i2max = (kNCTTM-1)-i+1;
240 Int_t i2min = (kNCTTM-1)-i-1;
241 if (i2max >=kNCTTM) i2max = kNCTTM-1;
242 if (i2min==i) i2min = kNCTTM-1-i;
243 for (Int_t j=0;j<kNCTTMchannels;j++){
244 Int_t j2min = j-fstripWindow;
245 Int_t j2max = j+fstripWindow;
246 if (j2min<0) j2min =0;
247 if (j2max>=kNCTTMchannels) j2max =kNCTTMchannels-1;
248 if (fCTTMmatrixFront[i][j]){
250 for (Int_t i2=i2min;i2<=i2max;i2++){
251 for (Int_t j2 = j2min;j2<=j2max;j2++){
252 boolCTTMor |= fCTTMmatrixFront[i2][j2];
259 if (fCTTMmatrixBack[i][j]){
261 for (Int_t i2=i2min;i2<=i2max;i2++){
262 for (Int_t j2 = j2min;j2<=j2max;j2++){
263 boolCTTMor |= fCTTMmatrixBack[i2][j2];
273 nchonFrontBack1 = nchonFront1+nchonBack1;
275 if (nchonFrontBack >= fMultiMuonTh || nchonFrontBack1 >= fMultiMuonTh) {
276 SetInput("TOF_Cosmic_MultiMuon_L0");
279 //Ultra-Peripheral collision Trigger
280 Bool_t boolpsi = kFALSE;
281 Bool_t boolro = kFALSE;
282 if (nchonTot == fUPTh){
283 for (Int_t i=0;i<kNCTTM;i++){
284 for (Int_t j=0;j<kNCTTMchannels;j++){
285 Int_t minipsi = i+mindeltapsi;
286 Int_t maxipsi = i+maxdeltapsi;
287 if (minipsi>=kNCTTM) minipsi = mindeltapsi-((kNCTTM-1)-i)-1;
288 if (maxipsi>=kNCTTM) maxipsi = maxdeltapsi-((kNCTTM-1)-i)-1;
289 Int_t miniro = i+mindeltaro;
290 Int_t maxiro = i+maxdeltaro;
291 if (miniro>=kNCTTM) miniro = mindeltaro-((kNCTTM-1)-i)-1;
292 if (maxiro>=kNCTTM) maxiro = maxdeltaro-((kNCTTM-1)-i)-1;
293 Int_t j2min = j-fstripWindow;
294 Int_t j2max = j+fstripWindow;
295 if (j2min<0) j2min =0;
296 if (j2max>=kNCTTMchannels) j2max =kNCTTMchannels-1;
297 if (fCTTMmatrixFront[i][j]){
298 for (Int_t i2=minipsi;i2<=maxipsi;i2++){
299 for (Int_t j2 = j2min;j2<=j2max;j2++){
300 if (fCTTMmatrixFront[i2][j2]) {
301 SetInput("TOF_UltraPer_Coll_L0");
312 for (Int_t i2=miniro;i2<=maxiro;i2++){
313 for (Int_t j2 = j2min;j2<=j2max;j2++){
314 if (fCTTMmatrixFront[i2][j2]) {
315 SetInput("TOF_UltraPer_Coll_L0");
328 else if (fCTTMmatrixBack[i][j]){
329 for (Int_t i2=minipsi;i2<=maxipsi;i2++){
330 for (Int_t j2 = j2min;j2<=j2max;j2++){
331 if (fCTTMmatrixBack[i2][j2]) {
332 SetInput("TOF_UltraPer_Coll_L0");
343 for (Int_t i2=miniro;i2<=maxiro;i2++){
344 for (Int_t j2 = j2min;j2<=j2max;j2++){
345 if (fCTTMmatrixBack[i2][j2]) {
346 SetInput("TOF_UltraPer_Coll_L0");
362 //-----------------------------------------------------------------------------
363 void AliTOFTrigger::CreateLTMMatrix(){
366 for (Int_t i=0;i<kNLTM;i++){
367 for (Int_t j=0;j<kNLTMchannels;j++){
368 fLTMmatrix[i][j]=kFALSE;
372 rl = gAlice->GetRunLoader();
374 Int_t ncurrevent = rl->GetEventNumber();
375 rl->GetEvent(ncurrevent);
377 AliLoader * tofLoader = rl->GetLoader("TOFLoader");
379 tofLoader->LoadDigits("read");
380 TTree *treeD = tofLoader->TreeD();
383 AliFatal("AliTOFTrigger: Can not get TreeD");
386 TBranch *branch = treeD->GetBranch("TOF");
388 AliError("can't get the branch with the TOF digits !");
391 TClonesArray *tofDigits =new TClonesArray("AliTOFdigit", 1000);
392 branch->SetAddress(&tofDigits);
394 Int_t ndigits = tofDigits->GetEntriesFast();
395 Int_t detind[5]; //detector indexes: 0 -> sector
401 for (Int_t i=0;i<ndigits;i++){
402 AliTOFdigit * digit = (AliTOFdigit*)tofDigits->UncheckedAt(i);
403 detind[0] = digit->GetSector();
404 detind[1] = digit->GetPlate();
405 detind[2] = digit->GetStrip();
406 detind[3] = digit->GetPadz();
407 detind[4] = digit->GetPadx();
409 Int_t indexLTM[2] = {-1,-1};
410 GetLTMIndex(detind,indexLTM);
412 fLTMmatrix[indexLTM[0]][indexLTM[1]] = kTRUE;
418 //-----------------------------------------------------------------------------
419 void AliTOFTrigger::GetLTMIndex(Int_t *detind, Int_t *indexLTM){
420 //getting LTMmatrix indexes for current digit
421 if (detind[1]==0 || detind[1]==1 || (detind[1]==2 && detind[2]<=7)) {
423 indexLTM[0] = detind[0]*2;
426 indexLTM[0] = detind[0]*2+1;
431 indexLTM[0] = detind[0]*2+36;
434 indexLTM[0] = (detind[0]*2+1)+36;
440 indexLTM[1] = detind[2];
442 else if (detind[1] ==1){
443 indexLTM[1] = detind[2]+19;
445 else if (detind[1] ==2){
446 indexLTM[1] = detind[2]+19;
449 AliError("Smth Wrong!!!");
454 indexLTM[1] = detind[2]-8;
456 else if (detind[1] ==3){
457 indexLTM[1] = detind[2]+7;
459 else if (detind[1] ==4){
460 indexLTM[1] = detind[2]+26;
463 AliError("Smth Wrong!!!");