Minor changes to debug histograms (#4394)

Author: ginnocen

Analysis/Tasks/PWGHF/HFCandidateCreator2Prong.cxx

@@ -41,9 +41,6 @@ struct HFCandidateCreator2Prong {
   Configurable<double> d_minparamchange{"d_minparamchange", 1.e-3, "stop iterations if largest change of any X is smaller than this"};
   Configurable<double> d_minrelchi2change{"d_minrelchi2change", 0.9, "stop iterations is chi2/chi2old > this"};
   Configurable<bool> b_dovalplots{"b_dovalplots", true, "do validation plots"};
-  OutputObj<TH1F> hvtx_x_out{TH1F("hvtx_x", "2-track vtx", 100, -0.1, 0.1)};
-  OutputObj<TH1F> hvtx_y_out{TH1F("hvtx_y", "2-track vtx", 100, -0.1, 0.1)};
-  OutputObj<TH1F> hvtx_z_out{TH1F("hvtx_z", "2-track vtx", 100, -0.1, 0.1)};
   OutputObj<TH1F> hmass2{TH1F("hmass2", "2-track inv mass", 500, 0., 5.0)};
 
   double massPi = RecoDecay::getMassPDG(kPiPlus);
@@ -119,9 +116,6 @@ struct HFCandidateCreator2Prong {
 
       // fill histograms
       if (b_dovalplots) {
-        hvtx_x_out->Fill(secondaryVertex[0]);
-        hvtx_y_out->Fill(secondaryVertex[1]);
-        hvtx_z_out->Fill(secondaryVertex[2]);
         hmass2->Fill(massPiK);
         hmass2->Fill(massKPi);
       }

Analysis/Tasks/PWGHF/HFTrackIndexSkimsCreator.cxx

@@ -85,8 +85,12 @@ struct HFTrackIndexSkimsCreator {
   Configurable<double> d_minmassDp{"d_minmassDp", 1.5, "min mass dplus presel"};
   Configurable<double> d_maxmassDp{"d_maxmassDp", 2.1, "max mass dplus presel"};
   Configurable<bool> b_dovalplots{"b_dovalplots", true, "do validation plots"};
+
+  OutputObj<TH1F> hvtx_x_out{TH1F("hvtx_x", "2-track vtx", 1000, -2.0, 2.0)};
+  OutputObj<TH1F> hvtx_y_out{TH1F("hvtx_y", "2-track vtx", 1000, -2.0, 2.0)};
+  OutputObj<TH1F> hvtx_z_out{TH1F("hvtx_z", "2-track vtx", 1000, -10.0, 10.0)};
   OutputObj<TH1F> hmass2{TH1F("hmass2", "; Inv Mass (GeV/c^{2})", 500, 0, 5.0)};
-  OutputObj<TH1F> hmass3{TH1F("hmass3", "; Inv Mass (GeV/c^{2})", 500, 0, 5.0)};
+  OutputObj<TH1F> hmass3{TH1F("hmass3", "; Inv Mass (GeV/c^{2})", 500, 1.6, 2.1)};
 
   Filter filterSelectTracks = aod::seltrack::issel == 1;
   using SelectedTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksCov, aod::TracksExtra, aod::SelTrack>>;
@@ -160,6 +164,7 @@ struct HFTrackIndexSkimsCreator {
         array<float, 3> pvec1;
         df.getTrack(0).getPxPyPzGlo(pvec0);
         df.getTrack(1).getPxPyPzGlo(pvec1);
+        const auto& secondaryVertex = df.getPCACandidate();
 
         // calculate invariant masses
         auto arrMom = array{pvec0, pvec1};
@@ -169,6 +174,9 @@ struct HFTrackIndexSkimsCreator {
         if (b_dovalplots) {
           hmass2->Fill(mass2PiK);
           hmass2->Fill(mass2KPi);
+          hvtx_x_out->Fill(secondaryVertex[0]);
+          hvtx_y_out->Fill(secondaryVertex[1]);
+          hvtx_z_out->Fill(secondaryVertex[2]);
         }
 
         // fill table row