correct calibration of short runs
[u/mrichter/AliRoot.git] / T0 / AliT0Trigger.cxx
CommitLineData
dc7ca31d 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/* $Id$ */
e358e301 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
dc7ca31d 26
dc7ca31d 27#include "AliLog.h"
28#include "AliRun.h"
c93255fe 29#include "AliLoader.h"
dc7ca31d 30#include "AliRunLoader.h"
31#include "AliTriggerInput.h"
539b9cb9 32#include "AliT0Parameters.h"
33#include "AliT0TriggerParameters.h"
34#include <AliCDBManager.h>
35#include <AliCDBEntry.h>
36#include <AliCDBStorage.h>
dc7ca31d 37
38#include "AliT0.h"
dc7ca31d 39#include "AliT0digit.h"
40#include "AliT0Trigger.h"
41
539b9cb9 42#include "Riostream.h"
43
dc7ca31d 44//----------------------------------------------------------------------
45ClassImp(AliT0Trigger)
46
47//----------------------------------------------------------------------
48AliT0Trigger::AliT0Trigger()
ea276330 49 : AliTriggerDetector(),
50 fT0(0x0),
3c6a09a2 51 fDigits(0x0),
52 fTrigPar(0x0)
dc7ca31d 53{
54 SetName("T0");
55 CreateInputs();
539b9cb9 56 AliCDBManager *stor =AliCDBManager::Instance();
57 //time equalizing
58 AliCDBEntry* fCalibentry = stor->Get("T0/Calib/TriggerParam");
59 if (fCalibentry)
60 fTrigPar = (AliT0TriggerParameters*)fCalibentry->GetObject();
61 else {
62 AliWarning(" No trigger parameters in CDB , use default");
63 }
64
dc7ca31d 65}
66
67//----------------------------------------------------------------------
68void AliT0Trigger::CreateInputs()
69{
70 // inputs
539b9cb9 71
dc7ca31d 72 // Do not create inputs again!!
73 if( fInputs.GetEntriesFast() > 0 ) return;
74
892473e3 75 fInputs.AddLast( new AliTriggerInput( "0T0A", "T0", 0 ) );
76 fInputs.AddLast( new AliTriggerInput( "0T0C", "T0", 0 ) );
77 fInputs.AddLast( new AliTriggerInput( "0TVX", "T0", 0 ) );
572b6f20 78 fInputs.AddLast( new AliTriggerInput( "T0_Centr_L0", "T0", 0 ) );
79 fInputs.AddLast( new AliTriggerInput( "T0_SemiCentral_L0", "T0", 0 ) );
539b9cb9 80
dc7ca31d 81}
82
83//----------------------------------------------------------------------
84void AliT0Trigger::Trigger()
85{
e358e301 86 // trigger input
87
33c3c91a 88 AliRunLoader* runLoader = AliRunLoader::Instance();
dc7ca31d 89 AliLoader * fT0Loader = runLoader->GetLoader("T0Loader");
90 // AliT0digit *fDigits;
91 fT0Loader->LoadDigits("READ");
92 // Creating T0 data container
93
94 TTree* treeD = fT0Loader->TreeD();
95 if (!treeD) {
96 AliError("no digits tree");
97 return;
98 }
c2337900 99 fDigits = new AliT0digit();
dc7ca31d 100
101 TBranch *brDigits = treeD->GetBranch("T0");
102 if (brDigits) {
103 brDigits->SetAddress(&fDigits);
104 }else{
105 AliError("Branch T0 DIGIT not found");
106 return;
107 }
108 brDigits->GetEntry(0);
c41ceaac 109 Int_t besttimeA = fDigits->BestTimeA();
110 Int_t besttimeC = fDigits->BestTimeC();
dc7ca31d 111 Int_t timeDiff = fDigits->TimeDiff();
112 Int_t sumMult= fDigits->SumMult();
113
539b9cb9 114 //trigger parameteres
115
116 Float_t timeWindowLow = fTrigPar->GetTimeWindowLow();
117 Float_t timeWindowHigh = fTrigPar->GetTimeWindowHigh();
118 Int_t ampCentr = fTrigPar->GetAmpCentr();
119 Int_t ampSemiCentr = fTrigPar->GetAmpSemiCentr();
120
892473e3 121 if (besttimeA > 0 && besttimeA <99999) SetInput("0T0A");
122 if (besttimeC > 0 && besttimeC<99999) SetInput("0T0C");
ea276330 123 //6093 corrsponds to vertex -20cm, 6202 vertex +20 with delay 150nc eqalized on the TVDC unit
892473e3 124 if (timeDiff >timeWindowLow && timeDiff < timeWindowHigh) SetInput("0TVX");
539b9cb9 125 if (sumMult > ampCentr) SetInput("T0_Centr_L0");
126 if (sumMult> ampSemiCentr && sumMult <= ampCentr) SetInput("T0_SemiCentral_L0");;
dc7ca31d 127
128
129}