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74x Fireworks: fix problem with muon global track propagation #11476

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merged 3 commits into from Oct 9, 2015
Merged

74x Fireworks: fix problem with muon global track propagation #11476

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9f7ef09
Avoid merging globalTrack and Muon track reference merging.
alja Sep 24, 2015
e872955
Update TrackUtils.cc
alja Sep 24, 2015
8c5fbf6
Remove debug prints.
alja Sep 25, 2015
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34 changes: 31 additions & 3 deletions Fireworks/Muons/src/FWMuonBuilder.cc
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Expand Up @@ -179,6 +179,31 @@ buggyMuon( const reco::Muon* muon,
return false;
}

TEveTrack* prepareMuonTrackWithExtraPoints(const reco::Track& track,
TEveTrackPropagator* propagator,
const std::vector<TEveVector>& extraPoints )
{
TEveRecTrack t;
t.fBeta = 1.;
t.fSign = track.charge();
t.fV.Set(track.vx(), track.vy(), track.vz());
t.fP.Set(track.px(), track.py(), track.pz());
// t.fSign = muon->charge();
// t.fV.Set(muon->vx(), muon->vy(), muon->vz());
// t.fP.Set(muon->px(), muon->py(), muon->pz());
TEveTrack* trk = new TEveTrack( &t, propagator );
size_t n = extraPoints.size();

if (n > 1) {
int lastDaughter = n-2;
for (int i = 0; i <= lastDaughter; ++i)
trk->AddPathMark( TEvePathMark( TEvePathMark::kDaughter, extraPoints[i] ) );
}
trk->AddPathMark( TEvePathMark( TEvePathMark::kDecay, extraPoints.back() ) );
return trk;
}


}

//
Expand Down Expand Up @@ -279,9 +304,12 @@ FWMuonBuilder::buildMuon( FWProxyBuilderBase* pb,
muon->outerTrack()->outerPosition().y(),
muon->outerTrack()->outerPosition().z()));
}
TEveTrack* trk = fireworks::prepareTrack( *( muon->globalTrack()),
pb->context().getMuonTrackPropagator(),
extraPoints );
TEveTrack* trk = 0;
if (extraPoints.empty())
trk = fireworks::prepareTrack( *( muon->globalTrack()),pb->context().getMuonTrackPropagator());
else
trk = prepareMuonTrackWithExtraPoints(*( muon->globalTrack()),pb->context().getMuonTrackPropagator(), extraPoints);

trk->MakeTrack();
trk->SetLineWidth(m_lineWidth);
pb->setupAddElement( trk, tList );
Expand Down