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f86ecd3e | 1 | // $Id$ |
2 | //-*- Mode: C++ -*- | |
3 | //************************************************************************** | |
4 | //* This file is property of and copyright by the ALICE HLT Project * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Svein Lindal <svein.lindal@fys.uio.no> * | |
8 | //* for The ALICE HLT Project. * | |
9 | //* * | |
10 | //* Permission to use, copy, modify and distribute this software and its * | |
11 | //* documentation strictly for non-commercial purposes is hereby granted * | |
12 | //* without fee, provided that the above copyright notice appears in all * | |
13 | //* copies and that both the copyright notice and this permission notice * | |
14 | //* appear in the supporting documentation. The authors make no claims * | |
15 | //* about the suitability of this software for any purpose. It is * | |
16 | //* provided "as is" without express or implied warranty. * | |
17 | //************************************************************************** | |
18 | ||
19 | /// @file AliHLTTriggerPhosMip.cxx | |
20 | /// @author Svein Lindal | |
21 | /// @date 2009-08-19 | |
22 | /// @brief HLT Minimum Ionizing Particle (MIP) trigger for PHOS | |
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 "AliHLTTriggerPhosMip.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(AliHLTTriggerPhosMip) | |
39 | ||
40 | AliHLTTriggerPhosMip::AliHLTTriggerPhosMip() | |
41 | : AliHLTTrigger() | |
42 | , fEMin(0.0) | |
43 | , fEMax(0.0) | |
44 | , fNCellsMax(0) | |
45 | { | |
46 | // see header file for class documentation | |
47 | // or | |
48 | // refer to README to build package | |
49 | // or | |
50 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlts | |
51 | } | |
52 | ||
53 | const char* AliHLTTriggerPhosMip::fgkOCDBEntry="HLT/ConfigHLT/PhosMipTrigger"; | |
54 | ||
55 | AliHLTTriggerPhosMip::~AliHLTTriggerPhosMip() | |
56 | { | |
57 | // see header file for class documentation | |
58 | } | |
59 | ||
60 | const char* AliHLTTriggerPhosMip::GetTriggerName() const | |
61 | { | |
62 | // see header file for class documentation | |
63 | return "PhosMipTrigger"; | |
64 | } | |
65 | ||
66 | AliHLTComponent* AliHLTTriggerPhosMip::Spawn() | |
67 | { | |
68 | // see header file for class documentation | |
69 | return new AliHLTTriggerPhosMip; | |
70 | } | |
71 | ||
72 | int AliHLTTriggerPhosMip::DoTrigger() | |
73 | { | |
74 | // see header file for class documentation | |
75 | ||
76 | TString description; | |
77 | ||
78 | const TObject* obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
79 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(const_cast<TObject*>(obj)); | |
80 | ||
81 | if (esd != NULL) { | |
82 | esd->GetStdContent(); | |
83 | ||
84 | //Loop over Calorimeter clusters | |
85 | Int_t ncc = esd->GetNumberOfCaloClusters(); | |
86 | for (Int_t i = 0; i < ncc ; i++) { | |
87 | AliESDCaloCluster * cluster = esd->GetCaloCluster(i); | |
88 | ||
89 | // Trigger condition: PHOS clusters within energy range, cells < fNCellsMax | |
90 | if ( cluster->IsPHOS() && | |
91 | cluster->E() > fEMin && | |
92 | cluster->E() < fEMax && | |
93 | cluster->GetNCells() <= fNCellsMax ) { | |
94 | ||
95 | description.Form("Event contains at least one PHOS cluster satisfying MIP criteria"); | |
96 | SetDescription(description.Data()); | |
97 | ||
98 | // Enable the detectors for readout. | |
99 | GetReadoutList().Enable( AliHLTReadoutList::kPHOS ); | |
100 | ||
101 | // Add the available HLT information for readout too. | |
102 | GetTriggerDomain().Add(kAliHLTAnyDataTypeID, "PHOS"); | |
103 | ||
104 | //Set trigger decision | |
105 | TriggerEvent(true); | |
106 | ||
107 | return 0; | |
108 | } /// if trigger criteria | |
109 | } /// cluster loop | |
110 | } | |
111 | ||
112 | // If we got to this point then we did not find any good MIP candidates | |
113 | // generate negative trigger decision | |
114 | description.Form("No PHOS clusters satisfying MIP criteria found"); | |
115 | SetDescription(description.Data()); | |
116 | TriggerEvent(false); | |
117 | return 0; | |
118 | } | |
119 | ||
120 | int AliHLTTriggerPhosMip::DoInit(int argc, const char** argv) { | |
121 | // see header file for class documentation | |
122 | ||
123 | // first configure the default | |
124 | int iResult=ConfigureFromCDBTObjString(fgkOCDBEntry); | |
125 | ||
126 | // configure from the command line parameters if specified | |
127 | if (iResult>=0 && argc>0) { | |
128 | HLTInfo("Trigger configuration from OCDB database entry: emin %.03f GeV \n emax %.03f, \n ncells: %i", fEMin, fEMax, fNCellsMax ); | |
129 | iResult=ConfigureFromArgumentString(argc, argv); | |
130 | HLTInfo("Trigger configuration overwritten from command line: emin %.03f GeV \n emax %.03f, \n ncells: %i", fEMin, fEMax, fNCellsMax ); | |
131 | } else if ( iResult >=0 ) { | |
132 | HLTInfo("Trigger configuration from OCDB database entry: emin %.03f GeV \n emax %.03f, \n ncells: %i", fEMin, fEMax, fNCellsMax ); | |
133 | } | |
134 | return iResult; | |
135 | } | |
136 | ||
137 | int AliHLTTriggerPhosMip::DoDeinit() | |
138 | { | |
139 | // see header file for class documentation | |
140 | return 0; | |
141 | } | |
142 | ||
143 | int AliHLTTriggerPhosMip::Reconfigure(const char* cdbEntry, const char* /*chainId*/) | |
144 | { | |
145 | // see header file for class documentation | |
146 | ||
147 | // configure from the specified antry or the default one | |
148 | const char* entry=cdbEntry; | |
149 | if (!entry || entry[0]==0) entry=fgkOCDBEntry; | |
150 | ||
151 | return ConfigureFromCDBTObjString(entry); | |
152 | } | |
153 | ||
154 | int AliHLTTriggerPhosMip::ScanConfigurationArgument(int argc, const char** argv) | |
155 | { | |
156 | // see header file for class documentation | |
157 | if (argc<=0) return 0; | |
158 | int i=0; | |
159 | TString argument=argv[i]; | |
160 | ||
161 | // -mine | |
162 | if (argument.CompareTo("-emin")==0) { | |
163 | if (++i>=argc) return -EPROTO; | |
164 | argument=argv[i]; | |
165 | fEMin=argument.Atof(); | |
166 | return 2; | |
167 | } | |
168 | ||
169 | ///-maxe | |
170 | else if (argument.CompareTo("-emax")==0) { | |
171 | if (++i>=argc) return -EPROTO; | |
172 | argument=argv[i]; | |
173 | fEMax=argument.Atof(); | |
174 | return 2; | |
175 | } | |
176 | ||
177 | ///-ncells | |
178 | else if (argument.CompareTo("-ncells")==0) { | |
179 | if (++i>=argc) return -EPROTO; | |
180 | argument=argv[i]; | |
8fc88a5c | 181 | fNCellsMax=argument.Atoi(); |
f86ecd3e | 182 | return 2; |
183 | } | |
184 | ||
185 | // unknown argument | |
186 | return -EINVAL; | |
187 | } | |
188 | ||
189 | void AliHLTTriggerPhosMip::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier) | |
190 | { | |
191 | // see header file for class documentation | |
192 | constBase = sizeof(AliHLTTriggerDecision) + sizeof(AliHLTDomainEntry)*14; | |
193 | inputMultiplier = 1; | |
194 | } |