1 /**************************************************************************
2 * Copyright(c) 2013, 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 **************************************************************************/
16 // evaluate TRD trigger conditions,
17 // potentially with hardened conditions to remove
18 // triggers caused by conversions of low-pt photons
21 // Author: Jochen Klein <jochen.klein@cern.ch>
24 #include "AliVTrack.h"
25 #include "AliVEvent.h"
26 #include "AliESDEvent.h"
27 #include "AliAODEvent.h"
28 #include "AliVTrdTrack.h"
29 #include "AliESDTrdTrigger.h"
31 #include "AliTRDTriggerAnalysis.h"
33 AliTRDTriggerAnalysis::AliTRDTriggerAnalysis() :
39 fRequireMatch(kFALSE),
40 fRequireMatchElectron(kFALSE),
41 fRequireInTime(kTRUE),
57 memset(fTriggerFlags, 0, sizeof(fTriggerFlags));
58 memset(fTriggerContribs, 0, sizeof(fTriggerContribs));
61 AliTRDTriggerAnalysis::~AliTRDTriggerAnalysis()
66 void AliTRDTriggerAnalysis::ResetTriggers()
68 // reset internal cache of trigger status
70 memset(fTriggerFlags, 0, sizeof(fTriggerFlags));
71 fTriggerInputs = fTriggerClasses = 0;
74 Bool_t AliTRDTriggerAnalysis::CalcTriggers(const AliVEvent *event)
76 // evaluate the TRD trigger conditions,
77 // so far HCO, HSE, HQU, HJT, HEE
82 AliErrorClass("event pointer is null");
90 printf("******************************************************************\n");
91 const AliESDEvent *esdEvent = dynamic_cast<const AliESDEvent*> (event);
93 AliESDTrdTrigger* trdTriggerInfo = esdEvent->GetTrdTrigger();
95 for (Int_t iSector = 0; iSector < 18; ++iSector) {
96 UInt_t trgFlags = trdTriggerInfo->GetFlags(iSector);
98 UInt_t trgContribs = fTriggerContribs[iSector] = trgFlags & 0xfff;
99 header |= trgContribs;
101 printf("sector %2i: %5s %5s %5s %5s %5s %5s %5s %5s (0x%03x)\n", iSector,
102 trgContribs & (1 << 7) ? "TO" : "--",
103 trgContribs & (1 << 6) ? "E2" : "--",
104 trgContribs & (1 << 5) ? "E1" : "--",
105 trgContribs & (1 << 4) ? "J1" : "--",
106 trgContribs & (1 << 3) ? "H2" : "--",
107 trgContribs & (1 << 2) ? "H1" : "--",
108 trgContribs & (1 << 1) ? "E3" : "--",
109 trgContribs & (1 << 0) ? "M1" : "--",
112 // trackingDoneTimeSMU = ((trgFlags >> 12) & 0x3ff) * 1./120.;
114 // for (Int_t iStack = 0; iStack < 5; ++iStack) {
115 // trackingDoneTMU = ((trgFlags >> 27) & (1 << iStack)) ? kTRUE : kFALSE; // TMU-level tracking done flag
116 // trackingDoneSMUStack = ((trgFlags >> 22) & (1 << iStack)) ? kTRUE : kFALSE; // SMU-level stack-related tracking done flag
118 // lmeFlags = trdTriggerInfo->GetLME(iStack) & 0xffffff;
119 // crcErrorFlags = (~(trdTriggerInfo->GetLME(iStack) >> 24)) & 0x3;
122 if (fVerbosity > 0) {
123 printf("------------------------------------------------------------------\n");
124 printf("total : %5s %5s %5s %5s %5s %5s %5s %5s (0x%03x)\n",
125 header & (1 << 7) ? "TO" : "--",
126 header & (1 << 6) ? "E2" : "--",
127 header & (1 << 5) ? "E1" : "--",
128 header & (1 << 4) ? "J1" : "--",
129 header & (1 << 3) ? "H2" : "--",
130 header & (1 << 2) ? "H1" : "--",
131 header & (1 << 1) ? "E3" : "--",
132 header & (1 << 0) ? "M1" : "--",
137 // evaluate trigger classes
138 TString trgClasses = event->GetFiredTriggerClasses();
139 if (trgClasses.Contains("TRDCO2"))
141 if (trgClasses.Contains("WUHJT"))
143 if (trgClasses.Contains("WUHSE"))
145 if (trgClasses.Contains("WUHQU"))
147 if (trgClasses.Contains("WUHEE"))
150 // evaluate trigger inputs
151 UInt_t trgInputs = 0;
153 trgInputs = esdEvent->GetHeader()->GetL1TriggerInputs();
154 else if (const AliAODEvent *aodEvent = dynamic_cast<const AliAODEvent*> (event))
155 trgInputs = aodEvent->GetHeader()->GetL1TriggerInputs();
157 AliError("failed to retrieve L1 trigger inputs");
159 if (trgInputs & (1 << 8))
161 if (trgInputs & (1 << 9))
163 if (trgInputs & (1 << 10))
165 if (trgInputs & (1 << 12))
167 if (trgInputs & (1 << 13))
170 // evaluate TRD GTU tracks
171 Int_t nTracks[90] = { 0 }; // stack-wise counted number of tracks above pt threshold
173 Int_t nTrdTracks = event->GetNumberOfTrdTracks();
175 for (Int_t iTrack = 0; iTrack < nTrdTracks; ++iTrack) {
176 AliVTrdTrack *trdTrack = event->GetTrdTrack(iTrack);
178 AliError(Form("Failed to get track %i", iTrack));
182 Int_t globalStack = 5*trdTrack->GetSector() + trdTrack->GetStack();
184 MarkCondition(kHCO, globalStack);
186 for (Int_t iLayer = 0; iLayer < 6; ++iLayer) {
187 if (trdTrack->GetLayerMask() & (1 << iLayer)) {
188 AliVTrdTracklet *trkl = trdTrack->GetTracklet(iLayer);
190 AliError(Form("no tracklet in layer %i where one should be for track %i",
196 // ignore the track if it was not in time
198 if (fRequireInTime && !trdTrack->GetTrackInTime())
201 AliVTrack *match = trdTrack->GetTrackMatch();
202 AliDebug(2, Form("GTU track %2i with pt = %5.2f has match: %p (pt = %5.2f)",
203 iTrack, trdTrack->Pt(), match, match ? match->Pt() : 0));
205 // ignore the track if it does not have a matched global track
207 if (fRequireMatch && !match)
210 // stack-wise counting of tracks above pt threshold for jet trigger
211 if (TMath::Abs(trdTrack->Pt()) >= fTRDptHJT) {
212 ++nTracks[globalStack];
215 // ignore the track for the electron triggers
216 // if it does not have a matched global track
218 if (fRequireMatchElectron && !match)
221 // ignore the track for the electron triggers
222 // if it does not fulfill the tracklet requirement
223 if (trdTrack->GetNTracklets() < fTRDnTrackletsEl)
225 if ((trdTrack->GetLayerMask() & fTRDlayerMaskEl) != fTRDlayerMaskEl)
228 if ((TMath::Abs(trdTrack->Pt()) >= fTRDptHQU) && (trdTrack->GetPID() >= fTRDpidHQU))
229 MarkCondition(kHQU, globalStack);
231 if ((TMath::Abs(trdTrack->Pt()) >= fTRDptHSE) && (trdTrack->GetPID() >= fTRDpidHSE))
232 MarkCondition(kHSE, globalStack);
234 if ((trdTrack->GetSector() >= fTRDminSectorHEE) && (trdTrack->GetSector() <= fTRDmaxSectorHEE) &&
235 (TMath::Abs(trdTrack->Pt()) >= fTRDptHEE) && (trdTrack->GetPID() >= fTRDpidHEE))
236 MarkCondition(kHEE, globalStack);
239 // check if HJT condition is fulfilled in any stack
240 for (Int_t iStack = 0; iStack < 90; ++iStack) {
241 if (nTracks[iStack] >= fTRDnHJT) {
242 MarkCondition(kHJT, iStack);