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765d85f8 | 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 AliHLTTriggerPhosClusterEnergy.cxx | |
19 | /// @author Svein Lindal <slindal@fys.uio.no> | |
20 | /// @date 2009-08-17 | |
21 | /// @brief HLT energy threshold trigger for PHOS | |
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 "AliHLTTriggerPhosClusterEnergy.h" | |
32 | #include "AliESDEvent.h" | |
33 | #include "AliESDCaloCluster.h" | |
34 | #include "AliHLTTriggerDecision.h" | |
35 | #include "AliHLTDomainEntry.h" | |
36 | ||
37 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
38 | ClassImp(AliHLTTriggerPhosClusterEnergy) | |
39 | ||
40 | AliHLTTriggerPhosClusterEnergy::AliHLTTriggerPhosClusterEnergy() | |
41 | : AliHLTTrigger() | |
42 | , fEThreshold(0.0) | |
43 | { | |
44 | // see header file for class documentation | |
45 | // or | |
46 | // refer to README to build package | |
47 | // or | |
48 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlts | |
49 | } | |
50 | ||
51 | const char* AliHLTTriggerPhosClusterEnergy::fgkOCDBEntry="HLT/ConfigHLT/PhosClusterEnergyTrigger"; | |
52 | ||
53 | AliHLTTriggerPhosClusterEnergy::~AliHLTTriggerPhosClusterEnergy() | |
54 | { | |
55 | // see header file for class documentation | |
56 | } | |
57 | ||
58 | const char* AliHLTTriggerPhosClusterEnergy::GetTriggerName() const | |
59 | { | |
60 | // see header file for class documentation | |
61 | return "PhosClusterEnergyTrigger"; | |
62 | } | |
63 | ||
64 | AliHLTComponent* AliHLTTriggerPhosClusterEnergy::Spawn() | |
65 | { | |
66 | // see header file for class documentation | |
67 | return new AliHLTTriggerPhosClusterEnergy; | |
68 | } | |
69 | ||
70 | int AliHLTTriggerPhosClusterEnergy::DoTrigger() | |
71 | { | |
72 | // see header file for class documentation | |
73 | ||
74 | TString description; | |
75 | ||
76 | const TObject* obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
77 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(const_cast<TObject*>(obj)); | |
78 | ||
79 | if (esd != NULL) { | |
80 | esd->GetStdContent(); | |
81 | ||
82 | //Loop over Calorimeter clusters | |
83 | Int_t ncc = esd->GetNumberOfCaloClusters(); | |
84 | for (Int_t i = 0; i < ncc ; i++) { | |
85 | AliESDCaloCluster * cluster = esd->GetCaloCluster(i); | |
86 | ||
87 | // Trigger condition: PHOS clusters with energy > fEThreshold | |
88 | if (cluster->IsPHOS() && cluster->E() > fEThreshold) { | |
89 | description.Form("Event contains at least one PHOS cluster with energy > %.02f GeV.", fEThreshold); | |
90 | SetDescription(description.Data()); | |
91 | ||
92 | // Enable the detectors for readout. | |
93 | GetReadoutList().Enable( AliHLTReadoutList::kPHOS ); | |
94 | ||
95 | // Add the available HLT information for readout too. | |
96 | GetTriggerDomain().Add(kAliHLTAnyDataTypeID, "PHOS"); | |
97 | ||
98 | //Set trigger decision | |
99 | TriggerEvent(true); | |
100 | ||
101 | return 0; | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | // If we got to this point then we did not find any tracks with E > fEThreshold | |
107 | // generate negative trigger decision | |
108 | description.Form("No PHOS clusters containing energy > %.02f GeV found.", fEThreshold); | |
109 | SetDescription(description.Data()); | |
110 | TriggerEvent(false); | |
111 | return 0; | |
112 | } | |
113 | ||
114 | int AliHLTTriggerPhosClusterEnergy::DoInit(int argc, const char** argv) { | |
115 | // see header file for class documentation | |
116 | ||
117 | // first configure the default | |
118 | int iResult=ConfigureFromCDBTObjString(fgkOCDBEntry); | |
119 | ||
120 | // configure from the command line parameters if specified | |
121 | if (iResult>=0 && argc>0) { | |
122 | iResult=ConfigureFromArgumentString(argc, argv); | |
123 | HLTImportant("Trigger threshold set from argument string: %.02f GeV:", fEThreshold ); | |
124 | } else if ( iResult >=0 ) { | |
125 | HLTImportant("Trigger threshold set from OCDB database entry: %.02f GeV:", fEThreshold ); | |
126 | } | |
127 | return iResult; | |
128 | } | |
129 | ||
130 | int AliHLTTriggerPhosClusterEnergy::DoDeinit() | |
131 | { | |
132 | // see header file for class documentation | |
133 | return 0; | |
134 | } | |
135 | ||
136 | int AliHLTTriggerPhosClusterEnergy::Reconfigure(const char* cdbEntry, const char* /*chainId*/) | |
137 | { | |
138 | // see header file for class documentation | |
139 | ||
140 | // configure from the specified antry or the default one | |
141 | const char* entry=cdbEntry; | |
142 | if (!entry || entry[0]==0) entry=fgkOCDBEntry; | |
143 | ||
144 | return ConfigureFromCDBTObjString(entry); | |
145 | } | |
146 | ||
147 | int AliHLTTriggerPhosClusterEnergy::ScanConfigurationArgument(int argc, const char** argv) | |
148 | { | |
149 | // see header file for class documentation | |
150 | if (argc<=0) return 0; | |
151 | int i=0; | |
152 | TString argument=argv[i]; | |
153 | ||
154 | // -maxpt | |
155 | if (argument.CompareTo("-energy")==0) { | |
156 | if (++i>=argc) return -EPROTO; | |
157 | argument=argv[i]; | |
158 | fEThreshold=argument.Atof(); | |
159 | return 2; | |
160 | } | |
161 | ||
162 | // unknown argument | |
163 | return -EINVAL; | |
164 | } | |
165 | ||
166 | void AliHLTTriggerPhosClusterEnergy::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier) | |
167 | { | |
168 | // see header file for class documentation | |
169 | constBase = sizeof(AliHLTTriggerDecision) + sizeof(AliHLTDomainEntry)*14; | |
170 | inputMultiplier = 1; | |
171 | } |