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739e2587 | 1 | // $Id$ |
2 | //************************************************************************** | |
3 | //* This file is property of and copyright by the ALICE HLT Project * | |
4 | //* ALICE Experiment at CERN, All rights reserved. * | |
5 | //* * | |
6 | //* Primary Authors: Svein Lindal <svein.lindal@gmail.com> * | |
7 | //* for The ALICE HLT Project. * | |
8 | //* * | |
9 | //* Permission to use, copy, modify and distribute this software and its * | |
10 | //* documentation strictly for non-commercial purposes is hereby granted * | |
11 | //* without fee, provided that the above copyright notice appears in all * | |
12 | //* copies and that both the copyright notice and this permission notice * | |
13 | //* appear in the supporting documentation. The authors make no claims * | |
14 | //* about the suitability of this software for any purpose. It is * | |
15 | //* provided "as is" without express or implied warranty. * | |
16 | //************************************************************************** | |
17 | ||
18 | /// @file AliHLTTriggerCaloClusterEnergy.cxx | |
19 | /// @author Svein Lindal <slindal@fys.uio.no> | |
20 | /// @date 2009-08-17 | |
21 | /// @brief BASE class for energy threshold trigger for Calorimeters | |
22 | /// | |
23 | ||
24 | // see header file for class documentation | |
25 | // or | |
26 | // refer to README to build package | |
27 | // or | |
28 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
29 | ||
30 | ||
31 | #include "AliHLTTriggerCaloClusterEnergy.h" | |
32 | #include "AliESDEvent.h" | |
33 | #include "AliESDCaloCluster.h" | |
34 | #include "AliHLTTriggerDecision.h" | |
35 | #include "AliHLTDomainEntry.h" | |
36 | #include "AliHLTCaloClusterReader.h" | |
37 | #include "AliHLTCaloClusterDataStruct.h" | |
38 | #include "TRefArray.h" | |
39 | #include "TString.h" | |
40 | ||
41 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
42 | ClassImp(AliHLTTriggerCaloClusterEnergy) | |
43 | ||
44 | AliHLTTriggerCaloClusterEnergy::AliHLTTriggerCaloClusterEnergy(TString detector) : | |
45 | AliHLTTrigger(), | |
46 | fEThreshold(0.0), | |
47 | fClustersRefs(NULL), | |
48 | fDetector(detector), | |
49 | fClusterReader(NULL), | |
50 | fgkOCDBEntry(""), | |
51 | fgkInputDataType() | |
52 | { | |
53 | // see header file for class documentation | |
54 | // or | |
55 | // refer to README to build package | |
56 | // or | |
57 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlts | |
58 | ||
59 | fClusterReader = new AliHLTCaloClusterReader(); | |
60 | fClustersRefs = new TRefArray(); | |
61 | ||
62 | } | |
63 | ||
64 | //const char* AliHLTTriggerCaloClusterEnergy::fgkOCDBEntry="HLT/ConfigHLT/CaloClusterEnergyTrigger"; | |
65 | ||
66 | AliHLTTriggerCaloClusterEnergy::~AliHLTTriggerCaloClusterEnergy() { | |
67 | // see header file for class documentation | |
68 | } | |
69 | ||
70 | Int_t AliHLTTriggerCaloClusterEnergy::DoTrigger() { | |
71 | // see header file for class documentation | |
72 | ||
73 | Int_t iResult = 0; | |
74 | ||
75 | ||
76 | if ( GetFirstInputBlock( kAliHLTDataTypeSOR ) || GetFirstInputBlock( kAliHLTDataTypeEOR ) ) | |
77 | return 0; | |
78 | ||
79 | //Try the caloclusterstruct input | |
80 | ||
81 | ||
82 | for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock(fgkInputDataType); pBlock!=NULL; pBlock=GetNextInputBlock()) { | |
83 | AliHLTCaloClusterHeaderStruct *caloClusterHeader = reinterpret_cast<AliHLTCaloClusterHeaderStruct*>(pBlock->fPtr); | |
84 | fClusterReader->SetMemory(caloClusterHeader); | |
85 | ||
86 | AliHLTCaloClusterDataStruct * caloClusterStruct; | |
87 | while( (caloClusterStruct = fClusterReader->NextCluster()) != 0) { | |
88 | if (TriggerOnCluster(caloClusterStruct)) { | |
89 | return iResult; | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
94 | //Try the ESD input | |
95 | const TObject* obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
96 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(const_cast<TObject*>(obj)); | |
97 | ||
98 | if (esd != NULL) { | |
99 | esd->GetStdContent(); | |
100 | ||
101 | Int_t ncc = GetClustersFromEsd(esd, fClustersRefs); | |
102 | ||
103 | for (Int_t i = 0; i < ncc ; i++) { | |
104 | ||
105 | AliESDCaloCluster * cluster = static_cast<AliESDCaloCluster*>(fClustersRefs->At(i)); | |
106 | if(TriggerOnCluster(cluster)) { | |
107 | return iResult; | |
108 | } | |
109 | } | |
110 | } | |
111 | ||
112 | // If we got to this point then we did not find any clusters with E > fEThreshold | |
113 | // generate negative trigger decision | |
114 | TString description; | |
115 | description.Form("No %s clusters containing energy > %.02f GeV found.", fDetector.Data(), fEThreshold); | |
116 | SetDescription(description.Data()); | |
117 | TriggerEvent(false); | |
118 | return iResult; | |
119 | ||
120 | } | |
121 | ||
122 | ||
123 | template <class T> | |
124 | Bool_t AliHLTTriggerCaloClusterEnergy::TriggerOnCluster(T* cluster) { | |
125 | ||
126 | if (cluster->E() > fEThreshold) { | |
127 | ||
128 | //We have a cluster satisfying trigger criteria | |
129 | TString description; | |
130 | description.Form("Event contains at least one %s cluster with energy > %.02f GeV.", fDetector.Data(), fEThreshold); | |
131 | SetDescription(description.Data()); | |
132 | ||
133 | // Enable the detectors for readout. | |
134 | GetReadoutList().Enable( AliHLTReadoutList::kPHOS ); | |
135 | ||
136 | // Add the available HLT information for readout too. | |
137 | GetTriggerDomain().Add(kAliHLTAnyDataTypeID, fDetector.Data()); | |
138 | ||
139 | //Set trigger decision | |
140 | TriggerEvent(kTRUE); | |
141 | ||
142 | return kTRUE; | |
143 | } | |
144 | ||
145 | ||
146 | return kFALSE; | |
147 | ||
148 | } | |
149 | ||
150 | ||
151 | ||
152 | ||
153 | int AliHLTTriggerCaloClusterEnergy::DoInit(int argc, const char** argv) { | |
154 | // see header file for class documentation | |
155 | ||
156 | // first configure the default | |
157 | int iResult=ConfigureFromCDBTObjString(fgkOCDBEntry); | |
158 | ||
159 | // configure from the command line parameters if specified | |
160 | if (iResult>=0 && argc>0) { | |
161 | iResult=ConfigureFromArgumentString(argc, argv); | |
162 | HLTImportant("Trigger threshold set from argument string: %.02f GeV:", fEThreshold ); | |
163 | } else if ( iResult >=0 ) { | |
164 | HLTImportant("Trigger threshold set from OCDB database entry: %.02f GeV:", fEThreshold ); | |
165 | } | |
166 | return iResult; | |
167 | } | |
168 | ||
169 | int AliHLTTriggerCaloClusterEnergy::DoDeinit() { | |
170 | // see header file for class documentation | |
171 | return 0; | |
172 | } | |
173 | ||
174 | int AliHLTTriggerCaloClusterEnergy::Reconfigure(const char* cdbEntry, const char* /*chainId*/) { | |
175 | // see header file for class documentation | |
176 | ||
177 | // configure from the specified antry or the default one | |
178 | const char* entry=cdbEntry; | |
179 | if (!entry || entry[0]==0) entry=fgkOCDBEntry; | |
180 | ||
181 | return ConfigureFromCDBTObjString(entry); | |
182 | } | |
183 | ||
184 | int AliHLTTriggerCaloClusterEnergy::ScanConfigurationArgument(int argc, const char** argv) { | |
185 | // see header file for class documentation | |
186 | if (argc<=0) return 0; | |
187 | int i=0; | |
188 | TString argument=argv[i]; | |
189 | ||
190 | // -maxpt | |
191 | if (argument.CompareTo("-energy")==0) { | |
192 | if (++i>=argc) return -EPROTO; | |
193 | argument=argv[i]; | |
194 | fEThreshold=argument.Atof(); | |
195 | return 2; | |
196 | } | |
197 | ||
198 | // unknown argument | |
199 | return -EINVAL; | |
200 | } | |
201 | ||
202 | void AliHLTTriggerCaloClusterEnergy::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier) { | |
203 | // see header file for class documentation | |
204 | constBase = sizeof(AliHLTTriggerDecision) + sizeof(AliHLTDomainEntry)*14; | |
205 | inputMultiplier = 1; | |
206 | } |