#include <PmaVtxCandidate.h>

Public Member Functions
	VtxCandidate (double segMinLength=0.5)

bool	Has (pma::Track3D *trk) const

bool	Has (const VtxCandidate &other) const

bool	IsAttached (pma::Track3D *trk) const

bool	IsAttached (const VtxCandidate &other) const

bool	HasLoops () const

bool	Add (const pma::TrkCandidate &trk)

double	ComputeMse2D ()

double	Test (const VtxCandidate &other) const

double	MaxAngle (double minLength=0.0) const

size_t	Size () const

size_t	Size (double minLength) const

bool	MergeWith (const VtxCandidate &other)

double	Compute ()

bool	JoinTracks (detinfo::DetectorPropertiesData const &detProp, pma::TrkCandidateColl &tracks, pma::TrkCandidateColl &src)

const TVector3 &	Center () const

double	Mse () const

double	Mse2D () const

std::pair< pma::Track3D *, size_t >	Track (size_t i) const

Static Public Attributes
static constexpr double	kMaxDistToTrack {4.0}

static constexpr double	kMinDistToNode {2.0}

Private Member Functions
bool	has (const std::vector< int > &v, int id) const

Private Attributes
bool	tracksJoined

double	fSegMinLength

double	fMse

double	fMse2D

std::vector< std::pair < pma::TrkCandidate, size_t > >	fAssigned

TVector3	fCenter

TVector3	fErr

Detailed Description

Definition at line 24 of file PmaVtxCandidate.h.

Constructor & Destructor Documentation

pma::VtxCandidate::VtxCandidate ( double segMinLength = 0.5 )

inline

Definition at line 29 of file PmaVtxCandidate.h.

     : tracksJoined(false)
     , fSegMinLength(segMinLength)
     , fMse(0.0)
     , fMse2D(0.0)
     , fCenter(0., 0., 0.)
     , fErr(0., 0., 0.)
   {}

Member Function Documentation

bool pma::VtxCandidate::Add ( const pma::TrkCandidate & trk )

Definition at line 93 of file PmaVtxCandidate.cxx.

 {
   if (IsAttached(trk.Track())) return false;
 
   fAssigned.emplace_back(trk, 0);
 
   double d, d_best;
   double mse, min_mse = kMaxDistToTrack * kMaxDistToTrack;
   if (fAssigned.size() > 2) {
     size_t n_best = 0;
     d_best = kMaxDistToTrack;
     for (size_t n = 0; n < trk.Track()->Nodes().size() - 1; n++) {
       pma::Segment3D* seg = trk.Track()->NextSegment(trk.Track()->Nodes()[n]);
       if (seg->Length() < fSegMinLength) continue;
 
       fAssigned.back().second = n;
 
       mse = Compute();
       if (mse < min_mse) {
         d = sqrt(seg->GetDistance2To(fCenter));
         if (d < d_best) {
           min_mse = mse;
           n_best = n;
           d_best = d;
         }
       }
     }
 
     if (d_best < kMaxDistToTrack) {
       fAssigned.back().second = n_best;
       fMse = Compute();
       fMse2D = ComputeMse2D();
       return true;
     }
     else {
       fAssigned.pop_back();
       fMse = Compute();
       fMse2D = ComputeMse2D();
       return false;
     }
   }
   else if (fAssigned.size() == 2) {
     pma::Track3D* p0 = fAssigned.front().first.Track();
 
     size_t n_best = 0, m_best = 0;
     d_best = kMaxDistToTrack;
 
     double lm, ln, l_best = 0;
     for (size_t m = 0; m < p0->Nodes().size() - 1; m++) {
       pma::Segment3D* seg_m = p0->NextSegment(p0->Nodes()[m]);
       lm = seg_m->Length();
       if (lm < fSegMinLength) continue;
 
       fAssigned.front().second = m;
 
       for (size_t n = 0; n < trk.Track()->Nodes().size() - 1; n++) {
         pma::Segment3D* seg_n = trk.Track()->NextSegment(trk.Track()->Nodes()[n]);
         ln = seg_n->Length();
         if (ln < fSegMinLength) continue;
 
         fAssigned.back().second = n;
 
         mse = Compute(); // std::cout << mse << std::endl;
 
         d = sqrt(ComputeMse2D());
 
         if (d < d_best) {
           double d_dist = (d_best - d) / d_best;
           if (lm + ln > 0.8 * d_dist * l_best) // take closer if not much shorter
           {
             min_mse = mse;
             n_best = n;
             m_best = m;
             d_best = d;
             l_best = lm + ln;
           }
         }
       }
     }
 
     if (d_best < kMaxDistToTrack) {
       fAssigned.front().second = m_best;
       fAssigned.back().second = n_best;
       fMse = Compute();
 
       fMse2D = ComputeMse2D();
 
       return true;
     }
     else {
       fAssigned.pop_back();
       fCenter.SetXYZ(0., 0., 0.);
       fMse = 0;
       fMse2D = 0;
       return false;
     }
   }
   else {
     for (size_t n = 0; n < trk.Track()->Nodes().size() - 1; n++) {
       pma::Segment3D* seg = trk.Track()->NextSegment(trk.Track()->Nodes()[n]);
       if (seg->Length() >= fSegMinLength) { return true; }
     }
     fAssigned.pop_back();
     fCenter.SetXYZ(0., 0., 0.);
     fMse = 0;
     fMse2D = 0;
     return false;
   }
 }

const TVector3& pma::VtxCandidate::Center ( ) const

inline

Definition at line 72 of file PmaVtxCandidate.h.

   {
     return fCenter;
   }

double pma::VtxCandidate::Compute ( )

Definition at line 341 of file PmaVtxCandidate.cxx.

 {
   std::vector<pma::Segment3D*> segments;
   std::vector<std::pair<TVector3, TVector3>> lines;
   std::vector<double> weights;
   for (const auto& v : fAssigned) {
     pma::Track3D* trk = v.first.Track();
     int vIdx = v.second;
 
     pma::Node3D* vtx1 = trk->Nodes()[vIdx];
     pma::Segment3D* seg = trk->NextSegment(vtx1);
     double segLength = seg->Length();
     if (segLength >= fSegMinLength) {
       pma::Node3D* vtx2 = static_cast<pma::Node3D*>(seg->Next(0));
 
       std::pair<TVector3, TVector3> endpoints(vtx1->Point3D(), vtx2->Point3D());
       double dy = endpoints.first.Y() - endpoints.second.Y();
       double fy_norm = asin(fabs(dy) / segLength) / (0.5 * TMath::Pi());
       double w = 1.0 - pow(fy_norm - 1.0, 12);
       if (w < 0.3) w = 0.3;
 
       lines.push_back(endpoints);
       segments.push_back(seg);
       weights.push_back(w);
     }
   }
 
   fCenter.SetXYZ(0., 0., 0.);
   fErr.SetXYZ(0., 0., 0.);
 
   TVector3 result;
   double resultMse = pma::SolveLeastSquares3D(lines, result);
   if (resultMse < 0.0) {
     mf::LogWarning("pma::VtxCandidate") << "Cannot compute crossing point.";
     return 1.0E+6;
   }
 
   TVector3 pproj;
   //double dx, dy, dz
   double wsum = 0.0;
   for (size_t s = 0; s < segments.size(); s++) {
     pma::Node3D* vprev = static_cast<pma::Node3D*>(segments[s]->Prev());
     pma::Node3D* vnext = static_cast<pma::Node3D*>(segments[s]->Next(0));
 
     pproj = pma::GetProjectionToSegment(result, vprev->Point3D(), vnext->Point3D());
 
     //dx = weights[s] * (result.X() - pproj.X());
     //dy = result.Y() - pproj.Y();
     //dz = result.Z() - pproj.Z();
 
     fErr[0] += weights[s] * weights[s];
     fErr[1] += 1.0;
     fErr[2] += 1.0;
 
     fCenter[0] += weights[s] * pproj.X();
     fCenter[1] += pproj.Y();
     fCenter[2] += pproj.Z();
     wsum += weights[s];
   }
   fCenter[0] /= wsum;
   fCenter[1] /= segments.size();
   fCenter[2] /= segments.size();
 
   fErr *= 1.0 / segments.size();
   fErr[0] = sqrt(fErr[0]);
   fErr[1] = sqrt(fErr[1]);
   fErr[2] = sqrt(fErr[2]);
 
   return resultMse;
 }

double pma::VtxCandidate::ComputeMse2D ( )

Definition at line 204 of file PmaVtxCandidate.cxx.

 {
   art::ServiceHandle<geo::Geometry const> geom;
 
   double mse = 0.0;
   TVector2 center2d;
   for (const auto& t : fAssigned) {
     pma::Track3D* trk = t.first.Track();
     pma::Segment3D* seg = trk->NextSegment(trk->Nodes()[t.second]);
 
     int tpc = trk->Nodes()[t.second]->TPC();
     int cryo = trk->Nodes()[t.second]->Cryo();
 
     size_t k = 0;
     double m = 0.0;
     if (geom->TPC(tpc, cryo).HasPlane(geo::kU)) {
       center2d = GetProjectionToPlane(fCenter, geo::kU, tpc, cryo);
       m += seg->GetDistance2To(center2d, geo::kU);
       k++;
     }
     if (geom->TPC(tpc, cryo).HasPlane(geo::kV)) {
       center2d = GetProjectionToPlane(fCenter, geo::kV, tpc, cryo);
       m += seg->GetDistance2To(center2d, geo::kV);
       k++;
     }
     if (geom->TPC(tpc, cryo).HasPlane(geo::kZ)) {
       center2d = GetProjectionToPlane(fCenter, geo::kZ, tpc, cryo);
       m += seg->GetDistance2To(center2d, geo::kZ);
       k++;
     }
     mse += m / (double)k;
   }
 
   return mse / fAssigned.size();
 }

bool pma::VtxCandidate::Has ( pma::Track3D * trk ) const

Definition at line 27 of file PmaVtxCandidate.cxx.

 {
   for (const auto& t : fAssigned)
     if (trk == t.first.Track()) return true;
   return false;
 }

bool pma::VtxCandidate::Has ( const VtxCandidate & other ) const

Definition at line 35 of file PmaVtxCandidate.cxx.

 {
   for (const auto& t : other.fAssigned)
     if (!Has(t.first.Track())) return false;
   return true;
 }

bool pma::VtxCandidate::has	(	const std::vector< int > &	v,
		int	id
	)		const

inlineprivate

Definition at line 95 of file PmaVtxCandidate.h.

   {
     for (auto c : v)
       if (c == id) return true;
     return false;
   }

bool pma::VtxCandidate::HasLoops ( ) const

Definition at line 66 of file PmaVtxCandidate.cxx.

 {
   for (size_t t = 0; t < fAssigned.size(); t++) {
     pma::Track3D const* trk_t = fAssigned[t].first.Track()->GetRoot();
     if (!trk_t) throw cet::exception("pma::VtxCandidate") << "Broken track.";
 
     for (size_t u = 0; u < fAssigned.size(); u++)
       if (t != u) {
         pma::Track3D const* trk_u = fAssigned[u].first.Track()->GetRoot();
         if (!trk_u) throw cet::exception("pma::VtxCandidate") << "Broken track.";
 
         if (trk_t->IsAttachedTo(trk_u)) return true;
       }
   }
   return false;
 }

bool pma::VtxCandidate::IsAttached ( pma::Track3D * trk ) const

Definition at line 43 of file PmaVtxCandidate.cxx.

 {
   pma::Track3D const* rootTrk = trk->GetRoot();
   if (!rootTrk) throw cet::exception("pma::VtxCandidate") << "Broken track.";
 
   for (const auto& t : fAssigned) {
     pma::Track3D const* rootAssn = t.first.Track()->GetRoot();
     if (!rootAssn) throw cet::exception("pma::VtxCandidate") << "Broken track.";
 
     if (rootTrk->IsAttachedTo(rootAssn)) return true;
   }
   return false;
 }

bool pma::VtxCandidate::IsAttached ( const VtxCandidate & other ) const

Definition at line 58 of file PmaVtxCandidate.cxx.

 {
   for (const auto& t : other.fAssigned)
     if (IsAttached(t.first.Track())) return true;
   return false;
 }

bool pma::VtxCandidate::JoinTracks	(	detinfo::DetectorPropertiesData const &	detProp,
		pma::TrkCandidateColl &	tracks,
		pma::TrkCandidateColl &	src
	)

Definition at line 413 of file PmaVtxCandidate.cxx.

 {
   if (tracksJoined) {
     mf::LogError("pma::VtxCandidate") << "Tracks already attached to the vertex.";
     return false;
   }
   tracksJoined = true;
 
   mf::LogVerbatim("pma::VtxCandidate")
     << "JoinTracks (" << fAssigned.size() << ") at:"
     << " vx:" << fCenter.X() << " vy:" << fCenter.Y() << " vz:" << fCenter.Z();
 
   for (auto const& c : fAssigned) {
     size_t t = 0;
     while (t < src.size()) {
       if (c.first.Track() == src[t].Track()) { // move from "src" to "tracks"
         tracks.push_back(src[t]);
         src.erase_at(t);
         break;
       }
       else
         t++;
     }
   }
   // all involved tracks are in the same container, so:
   tracks.setTreeIds();
   for (auto& c : fAssigned) // update ids
     for (auto const& t : tracks.tracks())
       if (c.first.Track() == t.Track()) {
         c.first.SetTreeId(t.TreeId());
         break;
       }
 
   // backup in case of fitting problems
   std::vector<int> treeIds;
   pma::TrkCandidateColl backupTracks;
 
   pma::Node3D* vtxCenter = 0;
   bool hasInnerCenter = false;
   size_t nOK = 0;
   for (size_t i = 0; i < fAssigned.size(); i++) {
     mf::LogVerbatim("pma::VtxCandidate") << "----------> track #" << i;
 
     pma::Track3D* trk = fAssigned[i].first.Track();
     int key = fAssigned[i].first.Key();
     int tid = fAssigned[i].first.TreeId();
     size_t idx = fAssigned[i].second;
 
     mf::LogVerbatim("pma::VtxCandidate") << "  track tid:" << tid << ", size:" << trk->size()
                                          << " (nodes:" << trk->Nodes().size() << ")";
 
     if (!has(treeIds, tid)) // backup in case of fitting problems
     {
       treeIds.push_back(tid);
       int rootIdx = tracks.getCandidateIndex(trk->GetRoot());
       if (rootIdx >= 0)
         tracks.getTreeCopy(backupTracks, rootIdx);
       else
         mf::LogError("pma::VtxCandidate") << "Root of the tree not found in tracks collection.";
     }
 
     TVector3 p0(trk->Nodes()[idx]->Point3D());
     TVector3 p1(trk->Nodes()[idx + 1]->Point3D());
 
     int tpc0 = trk->Nodes()[idx]->TPC();
     int tpc1 = trk->Nodes()[idx + 1]->TPC();
 
     int cryo0 = trk->Nodes()[idx]->Cryo();
     int cryo1 = trk->Nodes()[idx + 1]->Cryo();
 
     double d0 = sqrt(pma::Dist2(p0, fCenter));
     double d1 = sqrt(pma::Dist2(p1, fCenter));
     double ds = sqrt(pma::Dist2(p0, p1));
     double f = pma::GetSegmentProjVector(fCenter, p0, p1);
     TVector3 proj = pma::GetProjectionToSegment(fCenter, p0, p1);
 
     if ((idx == 0) && (f * ds <= kMinDistToNode)) {
       if (i == 0) {
         mf::LogVerbatim("pma::VtxCandidate") << "  new at front";
         vtxCenter = trk->Nodes().front();
         vtxCenter->SetPoint3D(fCenter);
         nOK++;
       }
       else {
         mf::LogVerbatim("pma::VtxCandidate") << "  front to center";
         if (trk->AttachTo(vtxCenter)) nOK++;
       }
     }
     else if ((idx + 2 == trk->Nodes().size()) && ((1.0 - f) * ds <= kMinDistToNode)) {
       if (i == 0) {
         if (trk->CanFlip()) {
           mf::LogVerbatim("pma::VtxCandidate") << "  flip trk to make new center";
           trk->Flip();
           vtxCenter = trk->Nodes().front();
         }
         else {
           mf::LogVerbatim("pma::VtxCandidate") << "  new center at the endpoint";
           vtxCenter = trk->Nodes().back();
         }
         vtxCenter->SetPoint3D(fCenter);
         nOK++;
       }
       else {
         if (vtxCenter->Prev() && trk->CanFlip()) {
           mf::LogVerbatim("pma::VtxCandidate") << "  flip trk to attach to inner";
           trk->Flip();
           if (trk->AttachTo(vtxCenter)) nOK++;
         }
         else {
           mf::LogVerbatim("pma::VtxCandidate") << "  endpoint to center";
           if (trk->AttachBackTo(vtxCenter)) nOK++;
         }
       }
     }
     else {
       bool canFlipPrev = true;
       if (vtxCenter && vtxCenter->Prev()) {
         pma::Segment3D* seg = static_cast<pma::Segment3D*>(vtxCenter->Prev());
         if (seg->Parent()->NextSegment(vtxCenter))
           canFlipPrev = false;
         else
           canFlipPrev = seg->Parent()->CanFlip();
       }
 
       if (hasInnerCenter || !canFlipPrev) {
         mf::LogVerbatim("pma::VtxCandidate") << "  split track";
 
         if ((f >= 0.0F) && (f <= 1.0) && (f * ds > kMinDistToNode) &&
             ((1.0 - f) * ds > kMinDistToNode)) {
           mf::LogVerbatim("pma::VtxCandidate") << "  add center inside segment";
 
           int tpc, cryo;
           if (f < 0.5) {
             tpc = tpc0;
             cryo = cryo0;
           }
           else {
             tpc = tpc1;
             cryo = cryo1;
           }
 
           trk->InsertNode(detProp, fCenter, ++idx, tpc, cryo);
         }
         else {
           if (d1 < d0) {
             mf::LogVerbatim("pma::VtxCandidate") << "  add center at end of segment";
             ++idx;
           }
           else {
             mf::LogVerbatim("pma::VtxCandidate") << "  center at start of segment - no action";
           }
         }
 
         pma::Track3D* t0 = trk->Split(detProp, idx); // makes both tracks attached to each other
 
         if (t0) {
           mf::LogVerbatim("pma::VtxCandidate")
             << "  trk size:" << trk->size() << " (nodes:" << trk->Nodes().size() << ")";
 
           trk->MakeProjection();
 
           mf::LogVerbatim("pma::VtxCandidate")
             << "  t0 size:" << t0->size() << " (nodes:" << t0->Nodes().size() << ")";
 
           t0->MakeProjection();
 
           tracks.tracks().emplace_back(t0, key, tid);
           if (i == 0) {
             mf::LogVerbatim("pma::VtxCandidate") << "  center at trk0 back";
             vtxCenter = trk->Nodes().front();
             nOK += 2;
           }
           else {
             mf::LogVerbatim("pma::VtxCandidate") << "  attach trk to trk0";
             if (trk->AttachTo(vtxCenter)) nOK += 2;
           }
         }
         mf::LogVerbatim("pma::VtxCandidate") << "  done";
       }
       else {
         mf::LogVerbatim("pma::VtxCandidate") << "  inner center";
         hasInnerCenter = true;
 
         if ((f >= 0.0F) && (f <= 1.0) && (f * ds > kMinDistToNode) &&
             ((1.0 - f) * ds > kMinDistToNode)) {
           mf::LogVerbatim("pma::VtxCandidate") << "  add center inside segment";
 
           int tpc, cryo;
           if (f < 0.5) {
             tpc = tpc0;
             cryo = cryo0;
           }
           else {
             tpc = tpc1;
             cryo = cryo1;
           }
 
           trk->InsertNode(detProp, fCenter, ++idx, tpc, cryo);
         }
         else {
           if (d1 < d0) {
             mf::LogVerbatim("pma::VtxCandidate") << "  add center at end of segment";
             ++idx;
           }
           else {
             mf::LogVerbatim("pma::VtxCandidate") << "  center at start of segment - no action";
           }
         }
 
         pma::Node3D* innerCenter = trk->Nodes()[idx];
         if (i > 0) // already has vtxCenter
         {
           // prepare for prev...
           pma::Track3D* rootBranch = 0;
           pma::Segment3D* seg = static_cast<pma::Segment3D*>(vtxCenter->Prev());
           if (seg) {
             rootBranch = seg->Parent();
             rootBranch->Flip();
           }
 
           // ...but nexts reattached first, then...
           auto branches = vtxCenter->GetBranches();
 
           for (size_t j = 0; j < branches.size(); ++j) {
             if (branches[j]->AttachTo(innerCenter, true)) {}
           }
           vtxCenter = innerCenter; // vtxCenter is deleted after full reattach
         }
         else {
           vtxCenter = innerCenter; // vtx from inner center
         }                          // set vtxCenter on i == 0
 
         nOK++;
 
         mf::LogVerbatim("pma::VtxCandidate") << "  done";
       }
     }
   }
 
   bool result = false;
   if (vtxCenter) {
     pma::Segment3D* rootSeg = 0;
     if (vtxCenter->NextCount())
       rootSeg = static_cast<pma::Segment3D*>(vtxCenter->Next(0));
     else if (vtxCenter->Prev())
       rootSeg = static_cast<pma::Segment3D*>(vtxCenter->Prev());
     else
       throw cet::exception("pma::VtxCandidate") << "Vertex with no segments attached.";
 
     pma::Track3D* rootTrk = rootSeg->Parent()->GetRoot();
     if (!rootTrk) rootTrk = rootSeg->Parent();
 
     std::vector<pma::Track3D const*> branchesToRemove;     // change to a more simple check
     bool noLoops = rootTrk->GetBranches(branchesToRemove); // if there are loops
 
     bool tuneOK = true;
     if (noLoops && (nOK > 1)) {
       fAssigned.clear();
       fCenter = vtxCenter->Point3D();
       fMse = 0.0;
       fMse2D = 0.0;
 
       double g = rootTrk->TuneFullTree();
 
       if (g > -2.0) // -1.0: high value of g; -2.0: inf. value of g.
       {
         result = true; // all OK, new vertex added
       }
       else {
         tuneOK = false; // inf. g, remove tracks
       }
     }
 
     if (noLoops && tuneOK) {
       mf::LogVerbatim("pma::VtxCandidate") << "remove backup tracks";
       for (auto& c : backupTracks.tracks())
         c.DeleteTrack();
     }
     else {
       mf::LogVerbatim("pma::VtxCandidate") << "restore tracks from backup....";
       for (int tid : treeIds) {
         size_t t = 0;
         while (t < tracks.size()) {
           if (tracks[t].TreeId() == tid) {
             tracks[t].DeleteTrack();
             tracks.erase_at(t);
           }
           else
             t++;
         }
       }
       for (const auto& c : backupTracks.tracks())
         tracks.push_back(c);
       mf::LogVerbatim("pma::VtxCandidate") << "  done";
     }
   }
   else
     mf::LogError("pma::VtxCandidate") << "Cannot create common vertex";
 
   return result;
 }

double pma::VtxCandidate::MaxAngle ( double minLength = 0.0 ) const

Definition at line 252 of file PmaVtxCandidate.cxx.

 {
   TVector3 dir_i;
   size_t max_l_idx = 0;
   double l, max_l = 0.0;
   for (size_t i = 0; i < fAssigned.size() - 1; i++) {
     l = fAssigned[i].first.Track()->Length();
     if (l > max_l) {
       max_l = l;
       max_l_idx = i;
       pma::Track3D* trk_i = fAssigned[i].first.Track();
       pma::Node3D* vtx_i0 = trk_i->Nodes()[fAssigned[i].second];
       pma::Node3D* vtx_i1 = trk_i->Nodes()[fAssigned[i].second + 1];
       dir_i = vtx_i1->Point3D() - vtx_i0->Point3D();
       dir_i *= 1.0 / dir_i.Mag();
     }
   }
 
   double a, min = 1.0;
   for (size_t j = 0; j < fAssigned.size(); j++)
     if ((j != max_l_idx) && (fAssigned[j].first.Track()->Length() > minLength)) {
       pma::Track3D* trk_j = fAssigned[j].first.Track();
       pma::Node3D* vtx_j0 = trk_j->Nodes()[fAssigned[j].second];
       pma::Node3D* vtx_j1 = trk_j->Nodes()[fAssigned[j].second + 1];
       TVector3 dir_j = vtx_j1->Point3D() - vtx_j0->Point3D();
       dir_j *= 1.0 / dir_j.Mag();
       a = fabs(dir_i * dir_j);
       if (a < min) min = a;
     }
 
   return 180.0 * acos(min) / TMath::Pi();
 }

bool pma::VtxCandidate::MergeWith ( const VtxCandidate & other )

Definition at line 286 of file PmaVtxCandidate.cxx.

 {
   double d = sqrt(pma::Dist2(fCenter, other.fCenter));
   if (d > 10.0) {
     mf::LogVerbatim("pma::VtxCandidate") << "too far..";
     return false;
   }
 
   double dw = Test(other);
 
   size_t ntrk = 0;
   for (const auto& t : other.fAssigned) {
     if (IsAttached(t.first.Track())) {
       mf::LogVerbatim("pma::VtxCandidate") << "already attached..";
       return false;
     }
     if (!Has(t.first.Track())) {
       fAssigned.push_back(t);
       ntrk++;
     }
   }
   if (ntrk) {
     double mse0 = fMse, mse1 = other.fMse;
     mf::LogVerbatim("pma::VtxCandidate")
       << "try: " << d << " mse0:" << sqrt(mse0) << " mse1:" << sqrt(mse1);
     //std::cout << "try: " << d << " mse0:" << sqrt(mse0) << " mse1:" << sqrt(mse1) << std::endl;
 
     double mse = Compute();
     mf::LogVerbatim("pma::VtxCandidate")
       << "out: " << Size() << " mse:" << sqrt(mse) << " dw:" << dw;
     //std::cout << "out: " << Size() << " mse:" << sqrt(mse) << " dw:" << dw << std::endl;
 
     if (mse < 1.0) // kMaxDistToTrack * kMaxDistToTrack)
     {
       fMse = mse;
       fMse2D = ComputeMse2D();
       return true;
     }
     else {
       mf::LogVerbatim("pma::VtxCandidate") << "high mse..";
       while (ntrk--) {
         fAssigned.pop_back();
       }
       fMse = Compute();
       fMse2D = ComputeMse2D();
       return false;
     }
   }
   else {
     mf::LogVerbatim("pma::VtxCandidate") << "no tracks..";
     return false;
   }
 }

double pma::VtxCandidate::Mse ( ) const

inline

Definition at line 77 of file PmaVtxCandidate.h.

   {
     return fMse;
   }

double pma::VtxCandidate::Mse2D ( ) const

inline

Definition at line 82 of file PmaVtxCandidate.h.

   {
     return fMse2D;
   }

size_t pma::VtxCandidate::Size ( ) const

inline

Definition at line 57 of file PmaVtxCandidate.h.

   {
     return fAssigned.size();
   }

size_t pma::VtxCandidate::Size ( double minLength ) const

Definition at line 84 of file PmaVtxCandidate.cxx.

 {
   size_t n = 0;
   for (auto const& c : fAssigned)
     if (c.first.Track()->Length() > minLength) n++;
   return n;
 }

double pma::VtxCandidate::Test ( const VtxCandidate & other ) const

Definition at line 241 of file PmaVtxCandidate.cxx.

 {
   double dx = fCenter[0] - other.fCenter[0];
   double dy = fCenter[1] - other.fCenter[1];
   double dz = fCenter[2] - other.fCenter[2];
   double dw = fErr[0] * other.fErr[0] * dx * dx + fErr[1] * other.fErr[1] * dy * dy +
               fErr[2] * other.fErr[2] * dz * dz;
   return sqrt(dw);
 }

std::pair<pma::Track3D*, size_t> pma::VtxCandidate::Track ( size_t i ) const

inline

Definition at line 88 of file PmaVtxCandidate.h.

   {
     return std::pair<pma::Track3D*, size_t>(fAssigned[i].first.Track(), fAssigned[i].second);
   }

Member Data Documentation

std::vector<std::pair<pma::TrkCandidate, size_t> > pma::VtxCandidate::fAssigned

private

Definition at line 104 of file PmaVtxCandidate.h.

TVector3 pma::VtxCandidate::fCenter

private

Definition at line 105 of file PmaVtxCandidate.h.

TVector3 pma::VtxCandidate::fErr

private

Definition at line 105 of file PmaVtxCandidate.h.

double pma::VtxCandidate::fMse

private

Definition at line 103 of file PmaVtxCandidate.h.

double pma::VtxCandidate::fMse2D

private

Definition at line 103 of file PmaVtxCandidate.h.

double pma::VtxCandidate::fSegMinLength

private

Definition at line 103 of file PmaVtxCandidate.h.

constexpr double pma::VtxCandidate::kMaxDistToTrack {4.0}

static

Definition at line 26 of file PmaVtxCandidate.h.

constexpr double pma::VtxCandidate::kMinDistToNode {2.0}

static

Definition at line 27 of file PmaVtxCandidate.h.

bool pma::VtxCandidate::tracksJoined

private

Definition at line 102 of file PmaVtxCandidate.h.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation