updated

[u/mrichter/AliRoot.git] / TRD / AliTRDTrigger.cxx

diff --git a/TRD/AliTRDTrigger.cxx b/TRD/AliTRDTrigger.cxx
index e9834e18b0186be01d4e4addbefe255a228ec420..94bdf5c2349c49051bae984a9676bc102f142502 100644 (file)
--- a/TRD/AliTRDTrigger.cxx
+++ b/TRD/AliTRDTrigger.cxx
@@ -18,9 +18,8 @@
 ///////////////////////////////////////////////////////////////////////////////
 //                                                                           //
 // TRD trigger interface class to CTP                                        //
-// currently the Trigger() method calls the GTU tracking simulation and      //
-// runs two example triggers, namely on a single high pt particle and        //
-// on a jet.                                                                 //
+// from here the trigger simulation for L0 (pretrigger) and L1 (GTU) are     //
+// called                                                                    //
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -28,16 +27,20 @@
 
 #include "AliLog.h"
 #include "AliTriggerInput.h"
-#include "AliRunLoader.h"
-#include "AliLoader.h"
+#include "AliTriggerDetector.h"
 
-#include "AliTRDgtuSim.h"
-#include "AliTRDtrackGTU.h"
 #include "AliTRDTrigger.h"
+#include "AliTRDTriggerL0.h"
+#include "AliTRDTriggerL1.h"
 
-AliTRDTrigger::AliTRDTrigger()
+AliTRDTrigger::AliTRDTrigger() :
+  AliTriggerDetector(),
+  fTriggers()
 {
-  // defautl constructor
+  // default constructor
+
+  fTriggers.AddLast(new AliTRDTriggerL0());
+  fTriggers.AddLast(new AliTRDTriggerL1());
 
   SetName("TRD");
 }
@@ -45,101 +48,38 @@ AliTRDTrigger::AliTRDTrigger()
 AliTRDTrigger::~AliTRDTrigger()
 {
   // destructor
+  TIter trigger(&fTriggers);
+  while (AliTriggerDetector *trgDet = (AliTriggerDetector*) trigger())
+    delete trgDet;
+
+  fInputs.Clear(); // inputs are deleted either by CTP or submodule
 }
 
-void AliTRDTrigger::CreateInputs()
+void AliTRDTrigger::AssignInputs(const TObjArray& inputs)
 {
-  // Create the inputs to CTP for the TRD
+  // Create inputs for all registered trigger modules.
+  if( fInputs.GetEntriesFast() > 0 ) return;
 
-  // if inputs already created return
-  if (fInputs.GetEntriesFast() > 0)
-    return;
+  TIter trigger(&fTriggers);
+  while (AliTriggerDetector *trgDet = (AliTriggerDetector*) trigger()) {
+    trgDet->AssignInputs(inputs);
+    fInputs.AddAll(trgDet->GetInputs());
+  }
+}
+
+void AliTRDTrigger::CreateInputs()
+{
 
-  AliInfo("Creating TRD trigger inputs");
-  fInputs.AddLast(new AliTriggerInput("TRD_HIGHPT_L1", "TRD", 1));
-  fInputs.AddLast(new AliTriggerInput("TRD_JET_L1", "TRD", 1));
 }
 
 void AliTRDTrigger::Trigger()
 {
   // TRD trigger steering
-  // currently the L1 trigger is directly put here
-  // lateron can be separated such that from here the
-  // pretrigger (generating an L0) and L1 can be called
-
-  AliRunLoader *runLoader = AliRunLoader::Instance();
-  if (!runLoader)
-    return;
-  AliLoader *trdLoader = runLoader->GetLoader("TRDLoader");
-  if (!trdLoader)
-    return;
-
-  // now running the GTU tracking;
-  AliTRDgtuSim *gtusim = new AliTRDgtuSim();
-  gtusim->RunGTU(trdLoader, 0x0);
-  gtusim->WriteTracksToLoader();
-  
-  TTree *trackTree = trdLoader->GetDataLoader("gtutracks")->Tree();
-  if (!trackTree) {
-    AliDebug(1,"Did not find track tree");
-    return;
-  }
-  TBranch *branch = trackTree->GetBranch("TRDtrackGTU");
-  AliDebug(1,Form("TRD trigger: found %i tracks", trackTree->GetEntriesFast()));
-
-  // trigger thresholds should go elsewhere
-  Float_t ptThreshold1 = 2;
-  Float_t ptThreshold2 = 9.9;
-  Int_t trackThreshold1 = 6;
-  Int_t trackThreshold2 = 2;
-
-  // trigger algorithms to come, e.g.
-  Bool_t triggered_highpt = kFALSE;
-  Bool_t triggered_jet = kFALSE;
-
-  if (branch) {
-    AliTRDtrackGTU *trk = 0x0;
-    branch->SetAddress(&trk);
-
-    // high pt trigger
-    for (Int_t iTrack = 0; iTrack < trackTree->GetEntriesFast(); iTrack++) {
-      trackTree->GetEntry(iTrack);
-      if (TMath::Abs(trk->GetPt()) > 3.0) {
-        AliInfo(Form("Found track in sector %2i, stack %i with pt = %3.1f, triggered", 
-                     trk->GetSector(), trk->GetStack(), trk->GetPt()));
-        triggered_highpt = kTRUE;
-      }
-    }
-
-    // jet trigger
-    Int_t nTracks1[90]; // tracks above lower pt threshold
-    Int_t nTracks2[90]; // tracks above higher pt threshold
-    for (Int_t iTrack = 0; iTrack < trackTree->GetEntriesFast(); iTrack++) {
-      trackTree->GetEntry(iTrack);
-      if (TMath::Abs(trk->GetPt()) > ptThreshold1)
-        nTracks1[5*trk->GetSector() + trk->GetStack()]++;
-      if (TMath::Abs(trk->GetPt()) > ptThreshold2)
-        nTracks2[5*trk->GetSector() + trk->GetStack()]++;
-    }
-    for (Int_t iStack = 0; iStack < 90; iStack++) {
-      if ((nTracks1[iStack] >= trackThreshold1) || (nTracks2[iStack] >= trackThreshold2))
-        triggered_jet = kTRUE;
-    }
-  }
-  else {
-    AliWarning("GTU Branch not found");
-  }
+  // all registered TRD trigger mechanism are
+  // run from here
 
-  if (triggered_highpt) { 
-    AliInfo("Fired high-pt trigger");
-    SetInput("TRD_HIGHPT_L1");
+  TIter trigger(&fTriggers);
+  while (AliTriggerDetector *trgDet = (AliTriggerDetector*) trigger()) {
+    trgDet->Trigger();
   }
-
-  if (triggered_jet) {
-    AliInfo("Fired jet trigger");
-    SetInput("TRD_JET_L1");
-  }
-
-  // cleaning up
-  delete gtusim;
 }