[PWGLF,Trigger] Fix indexing in the nucleiFilter

EventFiltering/PWGLF/nucleiFilter.cxx

@@ -1,3 +1,3 @@
 // Copyright 2019-2020 CERN and copyright holders of ALICE O2.
 // See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
 // All rights not expressly granted are reserved.
@@ -8,7 +8,7 @@
 // In applying this license CERN does not waive the privileges and immunities
 // granted to it by virtue of its status as an Intergovernmental Organization
 // or submit itself to any jurisdiction.
 // O2 includes
 
 #include <cmath>
 #include <string>
@@ -112,7 +112,7 @@
 
   // variable/tool for hypertriton 3body decay
   int mRunNumber;
   float d_bz;
   Service<o2::ccdb::BasicCCDBManager> ccdb;
   using TrackCandidates = soa::Join<aod::TracksIU, aod::TracksExtra, aod::TracksCovIU, aod::TrackSelection, aod::TracksDCA, aod::EvTimeTOFFT0ForTrack, aod::pidTPCFullPi, aod::pidTPCFullPr, aod::pidTPCFullDe, aod::pidTPCFullTr, aod::pidTPCFullHe, aod::pidTPCFullAl, aod::pidTOFFullDe, aod::pidTOFFullTr, aod::pidTOFFullHe, aod::pidTOFFullAl>; // FIXME: positio has been changed
   o2::aod::pidtofgeneric::TofPidNewCollision<TrackCandidates::iterator> bachelorTOFPID;
@@ -213,7 +213,7 @@
     }
 
     // In case override, don't proceed, please - no CCDB access required
     if (trgH3L3Body.d_bz_input > -990) {
       d_bz = trgH3L3Body.d_bz_input;
       fitter3body.setBz(d_bz);
       o2::parameters::GRPMagField grpmag;
@@ -248,7 +248,7 @@
     // Set magnetic field value once known
     fitter3body.setBz(d_bz);
 
     if (trgH3L3Body.useMatCorrType == 2) {
       // setMatLUT only after magfield has been initalized
       // (setMatLUT has implicit and problematic init field call if not)
       o2::base::Propagator::Instance()->setMatLUT(lut);
@@ -362,7 +362,7 @@
       if (track.itsNCls() >= cfgCutNclusExtremeIonisationITS) {
         double avgClsSize{0.};
         double cosL{std::sqrt(1. / (1. + track.tgl() * track.tgl()))};
         for (int iC{0}; iC < 7; ++iC) {
           avgClsSize += track.itsClsSizeInLayer(iC);
         }
         avgClsSize = avgClsSize * cosL / track.itsNCls();
@@ -375,7 +375,7 @@
         continue;
       }
 
       if (std::abs(track.tpcNSigmaDe()) < 5) {
         qaHists.fill(HIST("fDeuTOFNsigma"), track.p() * track.sign(), track.tofNSigmaDe());
       }
 
@@ -448,8 +448,8 @@
       }
 
       for (const auto& v0 : v0s) {
-        const auto& posTrack = tracks.rawIteratorAt(v0.posTrackId());
-        const auto& negTrack = tracks.rawIteratorAt(v0.negTrackId());
+        const auto& posTrack = v0.posTrack_as<TrackCandidates>();
+        const auto& negTrack = v0.negTrack_as<TrackCandidates>();
         if ((posTrack.itsNCls() < cfgCutNclusITS || posTrack.tpcNClsFound() < cfgCutNclusTPC) &&
             (negTrack.itsNCls() < cfgCutNclusITS || negTrack.tpcNClsFound() < cfgCutNclusTPC)) {
           continue;
@@ -544,7 +544,7 @@
 
       std::array<float, 3> pos = {0.};
       const auto& vtxXYZ = fitter3body.getPCACandidate();
       for (int i = 0; i < 3; i++) {
         pos[i] = vtxXYZ[i];
       }