ConstrainedTreeBuilderT Class Reference

#include <ConstrainedTreeBuilderT.h>

Public Member Functions
template<int nTrk>
RefCountedKinematicTree	buildTree (const std::vector< RefCountedKinematicParticle > &initialParticles, const std::vector< KinematicState > &finalStates, const RefCountedKinematicVertex vtx, const ROOT::Math::SMatrix< double, 3+7 *nTrk, 3+7 *nTrk, ROOT::Math::MatRepSym< double, 3+7 *nTrk > > &fCov) const
	ConstrainedTreeBuilderT ()
	~ConstrainedTreeBuilderT ()

Private Member Functions
RefCountedKinematicTree	buildRealTree (const RefCountedKinematicParticle virtualParticle, const RefCountedKinematicVertex vtx, const std::vector< RefCountedKinematicParticle > &particles) const

Static Private Member Functions
template<int nTrk>
static AlgebraicSymMatrix77	covarianceMatrix (const std::vector< RefCountedKinematicParticle > &rPart, const AlgebraicVector7 &newPar, const ROOT::Math::SMatrix< double, 3+7 *nTrk, 3+7 *nTrk, ROOT::Math::MatRepSym< double, 3+7 *nTrk > > &fitCov)

Private Attributes
VirtualKinematicParticleFactory	pFactory
KinematicVertexFactory	vFactory

Detailed Description

Class constructing te final output tree for the constrained vertex fitter. To be used by corresponding fitter only. Tree builders are scheduled for generalization: They should be inherited from the single generic class in the next version of the library.

Definition at line 15 of file ConstrainedTreeBuilderT.h.

Constructor & Destructor Documentation

ConstrainedTreeBuilderT::ConstrainedTreeBuilderT ( )

inline

Definition at line 20 of file ConstrainedTreeBuilderT.h.

ConstrainedTreeBuilderT::~ConstrainedTreeBuilderT ( )

inline

Definition at line 22 of file ConstrainedTreeBuilderT.h.

Member Function Documentation

RefCountedKinematicTree ConstrainedTreeBuilderT::buildRealTree ( const RefCountedKinematicParticle  virtualParticle, const RefCountedKinematicVertex  vtx, const std::vector< RefCountedKinematicParticle > &  particles  ) const

private

Definition at line 8 of file ConstrainedTreeBuilderT.cc.

References KinematicTree::movePointerToTheTop(), KinematicTree::replaceCurrentParticle(), MainPageGenerator::tree, KinematicVertexFactory::vertex(), and vFactory.

{

//making a resulting tree:
 RefCountedKinematicTree resTree = ReferenceCountingPointer<KinematicTree>(new KinematicTree());

//fake production vertex:
 RefCountedKinematicVertex fVertex = vFactory.vertex();
 resTree->addParticle(fVertex, vtx, virtualParticle);

//adding final state
 for(std::vector<RefCountedKinematicParticle>::const_iterator il = particles.begin(); il != particles.end(); il++)
 {
  if((*il)->previousParticle()->correspondingTree() != 0)
  {
   KinematicTree * tree = (*il)->previousParticle()->correspondingTree();
   tree->movePointerToTheTop();
   tree->replaceCurrentParticle(*il);
   RefCountedKinematicVertex cdVertex = resTree->currentDecayVertex();
   resTree->addTree(cdVertex, tree);
  }else{
   RefCountedKinematicVertex ffVertex = vFactory.vertex();
   resTree->addParticle(vtx,ffVertex,*il);
  }
 }
 return resTree;
}

template<int nTrk>

RefCountedKinematicTree ConstrainedTreeBuilderT::buildTree	(	const std::vector< RefCountedKinematicParticle > &	initialParticles,
		const std::vector< KinematicState > &	finalStates,
		const RefCountedKinematicVertex	vtx,
		const ROOT::Math::SMatrix< double, 3+7 *nTrk, 3+7 *nTrk, ROOT::Math::MatRepSym< double, 3+7 *nTrk > > &	fCov
	)		const

Method constructing tree out of set of refitted states, vertex, and full covariance matrix.

Definition at line 60 of file ConstrainedTreeBuilderT.h.

template<int nTrk>

AlgebraicSymMatrix77 ConstrainedTreeBuilderT::covarianceMatrix ( const std::vector< RefCountedKinematicParticle > &  rPart, const AlgebraicVector7 &  newPar, const ROOT::Math::SMatrix< double, 3+7 *nTrk, 3+7 *nTrk, ROOT::Math::MatRepSym< double, 3+7 *nTrk > > &  fitCov  )

staticprivate

Metod to reconstruct the full covariance matrix of the resulting particle.

Definition at line 184 of file ConstrainedTreeBuilderT.h.

Member Data Documentation

VirtualKinematicParticleFactory ConstrainedTreeBuilderT::pFactory

private

Definition at line 50 of file ConstrainedTreeBuilderT.h.

KinematicVertexFactory ConstrainedTreeBuilderT::vFactory

private

Definition at line 51 of file ConstrainedTreeBuilderT.h.

Referenced by buildRealTree().