+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+#include <TClonesArray.h>
+
#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliVZEROTrigger.h"
+#include "AliVZEROTriggerMask.h"
//______________________________________________________________________
ClassImp(AliVZEROTrigger)
////////////////////////////////////////////////////////////////////////
//______________________________________________________________________
+
AliVZEROTrigger::AliVZEROTrigger()
- : AliTriggerDetector()
+ :AliTriggerDetector(),
+ fAdcThresHold(0.0),
+ fTimeWindowWidthBBA(50.0),
+ fTimeWindowWidthBGA(20.0),
+ fTimeWindowWidthBBC(50.0),
+ fTimeWindowWidthBGC(20.0)
+
{
SetName("VZERO");
CreateInputs();
SetAdcThreshold();
}
-
//______________________________________________________________________
void AliVZEROTrigger::CreateInputs()
{
// Do not create inputs again!!
if( fInputs.GetEntriesFast() > 0 ) return;
- fInputs.AddLast( new AliTriggerInput( "VZERO_LEFT", "At least one hit in the left VZERO", 0x01 ) );
- fInputs.AddLast( new AliTriggerInput( "VZERO_RIGHT","At least one hit in the right VZERO", 0x02 ) );
- fInputs.AddLast( new AliTriggerInput( "VZERO_AND", "At least one hit in the each (left and right) VZERO", 0x04 ) );
- fInputs.AddLast( new AliTriggerInput( "VZERO_OR", "At least one hit in the one (left one right) VZERO", 0x08 ) );
-
- fInputs.AddLast( new AliTriggerInput( "VZERO_BEAMGAS", "Beam gas VZERO trigger ", 0x010 ) );
+ fInputs.AddLast( new AliTriggerInput( "VZERO_LEFT", "VZERO", 0 ) );
+ fInputs.AddLast( new AliTriggerInput( "VZERO_RIGHT","VZERO", 0 ) );
+ fInputs.AddLast( new AliTriggerInput( "VZERO_AND", "VZERO", 0 ) );
+ fInputs.AddLast( new AliTriggerInput( "VZERO_OR", "VZERO", 0 ) );
+ fInputs.AddLast( new AliTriggerInput( "VZERO_BEAMGAS", "VZERO", 0 ) );
}
//______________________________________________________________________
{
// ********** Get run loader for the current event **********
- AliRunLoader* runLoader = gAlice->GetRunLoader();
+ AliRunLoader* runLoader = AliRunLoader::Instance();
- AliVZEROLoader* loader = (AliVZEROLoader* )runLoader->GetLoader( "VZEROLoader" );
+ AliVZEROLoader* loader =
+ (AliVZEROLoader* )runLoader->GetLoader( "VZEROLoader" );
loader->LoadDigits("READ");
TTree* vzeroDigitsTree = loader->TreeD();
TBranch* digitBranch = vzeroDigitsTree->GetBranch("VZERODigit");
digitBranch->SetAddress(&vzeroDigits);
- // number of hits in left/right
- Int_t nLeftDig = 0;
- Int_t nRightDig = 0;
-
- // first time
- Float_t firstTimeLeft = 9999;
- Float_t firstTimeRight = 9999;
-
- // loop over vzero entries
- Int_t nEntries = (Int_t)vzeroDigitsTree->GetEntries();
- for (Int_t e=0; e<nEntries; e++) {
- vzeroDigitsTree->GetEvent(e);
-
- Int_t nDigits = vzeroDigits->GetEntriesFast();
-
- for (Int_t d=0; d<nDigits; d++) {
- // vzeroDigitsTree->GetEvent(d);
- AliVZEROdigit* digit = (AliVZEROdigit*)vzeroDigits->At(d);
-
- Int_t cellNumber = digit->CellNumber();
- Float_t adc = digit->ADC();
- Float_t tdc = digit->Time(); // in 100 of picoseconds
-
- if (cellNumber<=47 && adc>fAdcThresHold) {
- nLeftDig++;
- if (tdc<firstTimeLeft) firstTimeLeft = tdc;
- }
- if (cellNumber>=48 && adc>fAdcThresHold) {
- nRightDig++;
- if (tdc<firstTimeRight) firstTimeRight = tdc;
- }
- } // end of loop over digits
- } // end of loop over events in digits tree
-
- // Beam gas trigger set from the time difference. The time it takes
- // to travel between the two counters is ~14.3 ns = 143 * 100 ps.
- // NB: this should be defined
- // from time windows relative to the time of the bunch crossing!
- // beam gas comming from the left ...
-
- if (TMath::Abs(TMath::Abs(firstTimeLeft - firstTimeRight)-143) < 20) // time window of 2 ns
- SetInput( "VZERO_BEAMGAS" );
-
- if (nLeftDig > 0)
- SetInput( "VZERO_LEFT" );
-
- if (nRightDig > 0)
- SetInput( "VZERO_RIGHT" );
-
- if (nLeftDig>0 || nRightDig>0) {
- SetInput( "VZERO_OR" );
-
- if (nLeftDig>0 && nRightDig>0) {
- SetInput( "VZERO_AND" );
- }
- }
-
- AliDebug(1,Form("VZERO cells fired: %d (left) %d (right)", nLeftDig, nRightDig));
+ AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask();
+ TriggerMask->SetAdcThreshold(fAdcThresHold);
+ TriggerMask->SetTimeWindowWidthBBA(fTimeWindowWidthBBA);
+ TriggerMask->SetTimeWindowWidthBGA(fTimeWindowWidthBGA);
+ TriggerMask->SetTimeWindowWidthBBC(fTimeWindowWidthBBC);
+ TriggerMask->SetTimeWindowWidthBGC(fTimeWindowWidthBGC);
+ TriggerMask->FillMasks(vzeroDigitsTree,vzeroDigits);
+
+ if ( (TriggerMask->GetBGtriggerV0A()>0) ||
+ (TriggerMask->GetBGtriggerV0C()>0)) SetInput( "VZERO_BEAMGAS" );
+ if (TriggerMask->GetBBtriggerV0A()>0) SetInput( "VZERO_LEFT" );
+ if (TriggerMask->GetBBtriggerV0C()>0) SetInput( "VZERO_RIGHT" );
+ if ( (TriggerMask->GetBBtriggerV0A()>0) ||
+ (TriggerMask->GetBBtriggerV0C()>0)) SetInput( "VZERO_OR" );
+ if ( (TriggerMask->GetBBtriggerV0A()>0) &&
+ (TriggerMask->GetBBtriggerV0C()>0)) SetInput( "VZERO_AND" );
return;
}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff