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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 | ||
16 | /* $Id$ */ | |
17 | /*************************************************************** | |
18 | * T0 trigger class for T0 trigger signals: | |
19 | * - T0A | |
20 | * - T0C | |
21 | * - T0vertex | |
22 | * - T0 semi central event for ions | |
23 | * - T0 central for ions | |
24 | ****************************************************************/ | |
25 | ||
26 | ||
27 | #include "AliLog.h" | |
28 | #include "AliRun.h" | |
29 | #include "AliRunLoader.h" | |
30 | #include "AliTriggerInput.h" | |
31 | #include "AliT0Parameters.h" | |
32 | #include "AliT0TriggerParameters.h" | |
33 | #include <AliCDBManager.h> | |
34 | #include <AliCDBEntry.h> | |
35 | #include <AliCDBStorage.h> | |
36 | ||
37 | #include "AliT0.h" | |
38 | #include "AliT0digit.h" | |
39 | #include "AliT0Trigger.h" | |
40 | ||
41 | #include "Riostream.h" | |
42 | ||
43 | //---------------------------------------------------------------------- | |
44 | ClassImp(AliT0Trigger) | |
45 | ||
46 | //---------------------------------------------------------------------- | |
47 | AliT0Trigger::AliT0Trigger() | |
48 | : AliTriggerDetector(), | |
49 | fT0(0x0), | |
50 | fDigits(0x0), | |
51 | fTrigPar(0x0) | |
52 | { | |
53 | SetName("T0"); | |
54 | CreateInputs(); | |
55 | AliCDBManager *stor =AliCDBManager::Instance(); | |
56 | //time equalizing | |
57 | AliCDBEntry* fCalibentry = stor->Get("T0/Calib/TriggerParam"); | |
58 | if (fCalibentry) | |
59 | fTrigPar = (AliT0TriggerParameters*)fCalibentry->GetObject(); | |
60 | else { | |
61 | AliWarning(" No trigger parameters in CDB , use default"); | |
62 | } | |
63 | ||
64 | } | |
65 | ||
66 | //---------------------------------------------------------------------- | |
67 | void AliT0Trigger::CreateInputs() | |
68 | { | |
69 | // inputs | |
70 | ||
71 | // Do not create inputs again!! | |
72 | if( fInputs.GetEntriesFast() > 0 ) return; | |
73 | ||
74 | fInputs.AddLast( new AliTriggerInput( "0T0A", "T0", 0 ) ); | |
75 | fInputs.AddLast( new AliTriggerInput( "0T0C", "T0", 0 ) ); | |
76 | fInputs.AddLast( new AliTriggerInput( "0TVX", "T0", 0 ) ); | |
77 | fInputs.AddLast( new AliTriggerInput( "T0_Centr_L0", "T0", 0 ) ); | |
78 | fInputs.AddLast( new AliTriggerInput( "T0_SemiCentral_L0", "T0", 0 ) ); | |
79 | ||
80 | } | |
81 | ||
82 | //---------------------------------------------------------------------- | |
83 | void AliT0Trigger::Trigger() | |
84 | { | |
85 | // trigger input | |
86 | ||
87 | AliRunLoader* runLoader = AliRunLoader::Instance(); | |
88 | AliLoader * fT0Loader = runLoader->GetLoader("T0Loader"); | |
89 | // AliT0digit *fDigits; | |
90 | fT0Loader->LoadDigits("READ"); | |
91 | // Creating T0 data container | |
92 | ||
93 | TTree* treeD = fT0Loader->TreeD(); | |
94 | if (!treeD) { | |
95 | AliError("no digits tree"); | |
96 | return; | |
97 | } | |
98 | fDigits = new AliT0digit(); | |
99 | ||
100 | TBranch *brDigits = treeD->GetBranch("T0"); | |
101 | if (brDigits) { | |
102 | brDigits->SetAddress(&fDigits); | |
103 | }else{ | |
104 | AliError("Branch T0 DIGIT not found"); | |
105 | return; | |
106 | } | |
107 | brDigits->GetEntry(0); | |
108 | Int_t besttimeA = fDigits->BestTimeA(); | |
109 | Int_t besttimeC = fDigits->BestTimeC(); | |
110 | Int_t timeDiff = fDigits->TimeDiff(); | |
111 | Int_t sumMult= fDigits->SumMult(); | |
112 | ||
113 | //trigger parameteres | |
114 | ||
115 | Float_t timeWindowLow = fTrigPar->GetTimeWindowLow(); | |
116 | Float_t timeWindowHigh = fTrigPar->GetTimeWindowHigh(); | |
117 | Int_t ampCentr = fTrigPar->GetAmpCentr(); | |
118 | Int_t ampSemiCentr = fTrigPar->GetAmpSemiCentr(); | |
119 | ||
120 | if (besttimeA > 0 && besttimeA <99999) SetInput("0T0A"); | |
121 | if (besttimeC > 0 && besttimeC<99999) SetInput("0T0C"); | |
122 | //6093 corrsponds to vertex -20cm, 6202 vertex +20 with delay 150nc eqalized on the TVDC unit | |
123 | if (timeDiff >timeWindowLow && timeDiff < timeWindowHigh) SetInput("0TVX"); | |
124 | if (sumMult > ampCentr) SetInput("T0_Centr_L0"); | |
125 | if (sumMult> ampSemiCentr && sumMult <= ampCentr) SetInput("T0_SemiCentral_L0");; | |
126 | ||
127 | ||
128 | } |