Changeset 9458496b in git for modules

Timestamp:

Oct 30, 2017, 7:58:06 PM (7 years ago)

Author:

Kevin Pedro <kpedro88@…>

Branches:

ImprovedOutputFile, Timing, dual_readout, llp, master

Children:

ca9e119

Parents:

e40b9cf

Message:

optimize track counting algorithm

File:

• modules/TrackCountingBTagging.cc (modified) (1 diff)

modules/TrackCountingBTagging.cc

@@ -117 +117 @@
     fItTrackInputArray->Reset();
     count = 0;
-    while((track = static_cast<Candidate*>(fItTrackInputArray->Next())))
+    // stop once we have enough tracks
+    while((track = static_cast<Candidate*>(fItTrackInputArray->Next())) and count < fNtracks)
     {
       const TLorentzVector &trkMomentum = track->Momentum;
+      tpt = trkMomentum.Pt();
+      if(tpt < fPtMin) continue;
       
+      d0 = TMath::Abs(track->D0);
+      if(d0 > fIPmax) continue;
+
       dr = jetMomentum.DeltaR(trkMomentum);
-      tpt = trkMomentum.Pt();
+      if(dr > fDeltaR) continue;
+
       xd = track->Xd;
       yd = track->Yd;
       zd = track->Zd;
-      d0 = TMath::Abs(track->D0);
       dd0 = TMath::Abs(track->ErrorD0);
       dz = TMath::Abs(track->DZ);
       ddz = TMath::Abs(track->ErrorDZ);
 
-      if(tpt < fPtMin) continue;
-      if(dr > fDeltaR) continue;
-      if(d0 > fIPmax) continue;
-
       if(fUse3D){
         sign = (jpx*xd + jpy*yd + jpz*zd > 0.0) ? 1 : -1;
-        //add transvers and longitudinal significances in quadrature
+        //add transverse and longitudinal significances in quadrature
         sip = sign * TMath::Sqrt( TMath::Power(d0 / dd0, 2) + TMath::Power(dz / ddz, 2) );
       }