updates in the cluster resolution (on going)

[u/mrichter/AliRoot.git] / TPC / AliTPCcalibBase.cxx

diff --git a/TPC/AliTPCcalibBase.cxx b/TPC/AliTPCcalibBase.cxx
index f27bb23b08eaed7c27f65618e60a61ec5d07cf66..f0812f3a81ce2ffbd3a13751850a46c1af07316f 100644 (file)
--- a/TPC/AliTPCcalibBase.cxx
+++ b/TPC/AliTPCcalibBase.cxx
@@ -61,6 +61,9 @@ AliTPCcalibBase::AliTPCcalibBase():
     fMagF(0),                 //! current magnetic field
     fTriggerMaskReject(-1),   //trigger mask - reject trigger
     fTriggerMaskAccept(-1),   //trigger mask - accept trigger
+    fHasLaser(kFALSE),                    //flag the laser is overlayed with given event 
+    fRejectLaser(kTRUE),                 //flag- reject laser
+    fTriggerClass(),
     fDebugLevel(0)
 {
   //
@@ -68,6 +71,27 @@ AliTPCcalibBase::AliTPCcalibBase():
   //
 }
 
+AliTPCcalibBase::AliTPCcalibBase(const char * name, const char * title):
+  TNamed(name,title),
+  fDebugStreamer(0),
+  fStreamLevel(0),   
+  fRun(0),                  //!  current Run number
+  fEvent(0),                //!  current Event number
+  fTime(0),                 //!  current Time
+  fTrigger(0),              //! current trigger type
+  fMagF(0),                 //! current magnetic field
+  fTriggerMaskReject(-1),   //trigger mask - reject trigger
+  fTriggerMaskAccept(-1),   //trigger mask - accept trigger
+  fHasLaser(kFALSE),                    //flag the laser is overlayed with given event 
+  fRejectLaser(kTRUE),                 //flag- reject laser
+  fTriggerClass(),
+  fDebugLevel(0)
+{
+  //
+  // Constructor
+  //
+}
+
 AliTPCcalibBase::AliTPCcalibBase(const AliTPCcalibBase&calib):
   TNamed(calib),
   fDebugStreamer(0),
@@ -79,6 +103,9 @@ AliTPCcalibBase::AliTPCcalibBase(const AliTPCcalibBase&calib):
   fMagF(0),                 //! current magnetic field
   fTriggerMaskReject(calib.fTriggerMaskReject),   //trigger mask - reject trigger
   fTriggerMaskAccept(calib.fTriggerMaskAccept),   //trigger mask - accept trigger
+  fHasLaser(calib.fHasLaser),                    //flag the laser is overlayed with given event
+  fRejectLaser(calib.fRejectLaser),                 //flag- reject laser
+  fTriggerClass(calib.fTriggerClass),
   fDebugLevel(calib.fDebugLevel)
 {
   //
@@ -142,14 +169,47 @@ void    AliTPCcalibBase::UpdateEventInfo(AliESDEvent * event){
   fTime    = event->GetTimeStamp();
   fTrigger = event->GetTriggerMask();
   fMagF    = event->GetMagneticField();
+  fTriggerClass = event->GetFiredTriggerClasses().Data();
+  fHasLaser = HasLaser(event); 
+  
+}
+
+
+Bool_t AliTPCcalibBase::HasLaser(AliESDEvent *event){
+  //
+  //
+  //
+  // Thresholds more than 8 tracks with small dip angle
+  
+  const Int_t kMinLaserTracks = 8;
+  const Float_t kThrLaser       = 0.3;
+  const Float_t kLaserTgl       = 0.01;
+
+  Int_t ntracks = event->GetNumberOfTracks();
+  if (ntracks<kMinLaserTracks) return kFALSE;
+  Float_t nlaser=0;
+  Float_t nall=0;
+  for (Int_t i=0;i<ntracks;++i) {
+    AliESDtrack *track=event->GetTrack(i);
+    if (!track) continue;
+    if (track->GetTPCNcls()<=0) continue; 
+    nall++;
+    if (TMath::Abs(track->GetTgl())<kLaserTgl) nlaser++;
+  }
+  if (nlaser>kMinLaserTracks) return kTRUE;
+  if (nall>0 && nlaser/nall>kThrLaser) return kTRUE;
+  return kFALSE;
 }
 
+
+
 Bool_t AliTPCcalibBase::AcceptTrigger(){
   //
   // Apply trigger mask - Don't do calibration for non proper triggers
   // 
-  if (fTriggerMaskReject==fTrigger) return kFALSE;
-  if (fTriggerMaskAccept>0 && fTriggerMaskAccept!=fTrigger) return kFALSE;
+  if (fTriggerMaskReject==(Int_t)fTrigger) return kFALSE;
+  if (fTriggerMaskAccept>0 && fTriggerMaskAccept!=(Int_t)fTrigger) return kFALSE;
+  if (fHasLaser && fRejectLaser) return kFALSE;
   return kTRUE;
 }