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e628c711 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
e628c711 | 16 | |
0ca510a1 | 17 | /* $Id$ */ |
e628c711 | 18 | |
ad7f2bfa | 19 | //////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Simulates generation of Fast-OR signals from SPD (if needed). // | |
22 | // Processes the Fast-OR signals generated in AliITSsimulationSPD. // | |
23 | // Provides inputs for AliCentralTrigger. // | |
24 | // // | |
25 | // Version 2, Henrik Tydesjo, Feb 2009 // | |
26 | // Version 1, D. Elia, C. Jorgensen, Mar 2006 // | |
27 | // Version 0, J. Conrad, E. Lopez Torres, Oct 2005 // | |
28 | // // | |
29 | //////////////////////////////////////////////////////////////////////// | |
e628c711 | 30 | |
c93255fe | 31 | #include <TTree.h> |
ad7f2bfa | 32 | #include "AliITSTrigger.h" |
e628c711 | 33 | #include "AliLog.h" |
34 | #include "AliRun.h" | |
35 | #include "AliRunLoader.h" | |
2db4dcdc | 36 | #include "AliITSLoader.h" |
ad7f2bfa | 37 | #include "AliTriggerInput.h" |
e628c711 | 38 | |
e628c711 | 39 | ClassImp(AliITSTrigger) |
40 | ||
41 | //______________________________________________________________________ | |
ad7f2bfa | 42 | AliITSTrigger::AliITSTrigger() : |
43 | AliTriggerDetector(), | |
44 | fPITprocessor() | |
45 | { | |
7537d03c | 46 | //standard constructor |
47 | SetName("ITS"); | |
e628c711 | 48 | } |
e628c711 | 49 | //______________________________________________________________________ |
ad7f2bfa | 50 | AliITSTrigger::AliITSTrigger(AliITSTriggerConditions* cond) : |
51 | AliTriggerDetector(), | |
52 | fPITprocessor(cond) | |
e628c711 | 53 | { |
ad7f2bfa | 54 | // optional constructor |
55 | SetName("ITS"); | |
e628c711 | 56 | } |
e628c711 | 57 | //______________________________________________________________________ |
ad7f2bfa | 58 | void AliITSTrigger::SetTriggerConditions(AliITSTriggerConditions* cond) { |
59 | // Sets the trigger conditions, normally coming from OCDB | |
60 | fPITprocessor.SetTriggerConditions(cond); | |
e628c711 | 61 | } |
8e50d897 | 62 | //______________________________________________________________________ |
ad7f2bfa | 63 | void AliITSTrigger::CreateInputs() { |
64 | // Create inputs, based on OCDB Pixel Trigger Conditions | |
65 | if( fInputs.GetEntriesFast() > 0 ) return; // Inputs already created, no need to proceed | |
66 | ||
67 | // Load trigger conditions from OCDB if needed | |
68 | if (! fPITprocessor.TriggerConditionsSet() ) { | |
69 | AliError("Trigger conditions not set. No inputs created."); | |
70 | return; | |
8e50d897 | 71 | } |
72 | ||
ad7f2bfa | 73 | UInt_t numInputs = fPITprocessor.GetNumOutputs(); |
74 | AliInfo(Form("Number of trigger inputs: %d",numInputs)); | |
75 | for (UInt_t inp=0; inp<numInputs; inp++) { | |
76 | fInputs.AddLast( new AliTriggerInput(fPITprocessor.GetOutputLabel(inp), "SPD", 0) ); | |
77 | } | |
8e50d897 | 78 | } |
e628c711 | 79 | //______________________________________________________________________ |
ad7f2bfa | 80 | void AliITSTrigger::Trigger() { |
81 | // Performs Pixel Trigger processing of the simulated fast-or signals | |
8e50d897 | 82 | |
ad7f2bfa | 83 | // Get the FO signals for this event |
84 | AliITSFOSignalsSPD* foSignals = NULL; | |
85 | AliRunLoader* runLoader = AliRunLoader::Instance(); | |
86 | AliITSLoader* itsLoader = (AliITSLoader*) runLoader->GetLoader("ITSLoader"); | |
87 | if (!itsLoader) { | |
88 | AliError("ITS loader is NULL."); | |
89 | } | |
a0d76912 | 90 | |
91 | else { | |
2729f4db | 92 | itsLoader->LoadDigits(); |
a0d76912 | 93 | TTree *tree = itsLoader->TreeD(); |
94 | if(!tree) { | |
95 | AliError("TreeD not available"); | |
2729f4db | 96 | itsLoader->UnloadDigits(); |
a0d76912 | 97 | return; |
98 | } | |
99 | foSignals = (AliITSFOSignalsSPD*)tree->GetUserInfo()->FindObject("AliITSFOSignalsSPD"); | |
100 | if(!foSignals) AliError("FO signals not retrieved"); | |
101 | } | |
8e50d897 | 102 | |
ad7f2bfa | 103 | // Process the FO signals |
104 | if (foSignals) { | |
105 | fPITprocessor.PreprocessFOSignals(foSignals); | |
106 | UInt_t numInputs = fPITprocessor.GetNumOutputs(); | |
107 | for (UInt_t inp=0; inp<numInputs; inp++) { | |
108 | if (fPITprocessor.ProcessFOSignalsIndex(inp, foSignals)) { | |
109 | SetInput(fPITprocessor.GetOutputLabel(inp)); | |
110 | } | |
111 | } | |
112 | } | |
113 | else { | |
114 | AliError("Fast-OR signals not available. No trigger processing done."); | |
115 | } | |
2729f4db | 116 | if (itsLoader) itsLoader->UnloadDigits(); |
e628c711 | 117 | } |