hep.physics.jet
Class FixNumberOfJetsFinder

java.lang.Object
  hep.physics.jet.FixNumberOfJetsFinder

All Implemented Interfaces:

JetFinder

public class FixNumberOfJetsFinder

extends Object

implements JetFinder

Source Code:

FixNumberOfJetsFinder.java

Nested Class Summary

static class

FixNumberOfJetsFinder.NumJetsNotFoundException

Constructor Summary

FixNumberOfJetsFinder()
Default constructor, sets up JadeEJetFinder.

FixNumberOfJetsFinder(AbstractJetFinder jetFinder)
Constructor to specify a specfic JetFinder to use.

FixNumberOfJetsFinder(int nJets)
Constructor specifying number of requested jets, sets up JadeEJetFinder as default.

FixNumberOfJetsFinder(int nJets, AbstractJetFinder jetFinder)
Constructor to specify rquested number of jets and a specfic JetFinder to use.

Method Summary

int	fewestTracks() Jet with the fewest tracks
double	getYCut() Resulting ycut value.
HepLorentzVector	jet(int index) Four vector of a specific jet.
int	njets() Actual number jets formed.
int	nParticlesPerJet(int index) Number of particles in a specific jet.
List	particlesInJet(int index) Particles in a specific jet.
void	setEvent(Collection data) Give event information to JetFinder
void	setEvent(Collection data, Predicate cut) Give event information to JetFinder
protected void	setJetFinder(AbstractJetFinder jetFinder) Specify the underlying JetFinder you want to use
void	setNJets(int nJets) Set number of jets requested to be formed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FixNumberOfJetsFinder

public FixNumberOfJetsFinder()

Default constructor, sets up JadeEJetFinder.

FixNumberOfJetsFinder

public FixNumberOfJetsFinder(int nJets)

Constructor specifying number of requested jets, sets up JadeEJetFinder as default.

Parameters:

nJets - number of jets to be formed

FixNumberOfJetsFinder

public FixNumberOfJetsFinder(AbstractJetFinder jetFinder)

Constructor to specify a specfic JetFinder to use.

Parameters:

jetFinder - JetFinder to use

See Also:

AbstractJetFinder

FixNumberOfJetsFinder

public FixNumberOfJetsFinder(int nJets,
                             AbstractJetFinder jetFinder)

Constructor to specify rquested number of jets and a specfic JetFinder to use.

Parameters:

nJets - number of jets to be formed

jetFinder - JetFinder to use

See Also:

AbstractJetFinder

Method Detail

setJetFinder

protected void setJetFinder(AbstractJetFinder jetFinder)

Specify the underlying JetFinder you want to use

Parameters:

jetFinder - JetFinder to use

See Also:

AbstractJetFinder

setNJets

public void setNJets(int nJets)

Set number of jets requested to be formed.

Parameters:

nJets - number of jets to be formed

njets

public int njets()

Actual number jets formed. Should be the same as the number of jets requested, unless a problem occured. (E.g. too little input objects.)

Specified by:

njets in interface JetFinder

Returns:

number of jets

See Also:

JetFinder.njets()

getYCut

public double getYCut()

Resulting ycut value.

Returns:

final ycut

jet

public HepLorentzVector jet(int index)

Four vector of a specific jet.

Specified by:

jet in interface JetFinder

Parameters:

index - The index of the jet of interest

Returns:

jet Lorentz vector for the entire jet

See Also:

JetFinder.jet(int)

Parameter:

index index of jet

particlesInJet

public List particlesInJet(int index)

Particles in a specific jet.

Specified by:

particlesInJet in interface JetFinder

Parameters:

index - The index of the jet of interest

Returns:

enumeration of particles

See Also:

JetFinder.particlesInJet(int)

Parameter:

index index of jet

nParticlesPerJet

public int nParticlesPerJet(int index)

Number of particles in a specific jet.

Specified by:

nParticlesPerJet in interface JetFinder

Parameters:

index - The index of the jet of interest

Returns:

number of particles

See Also:

JetFinder#NParticlesPerJet

Parameter:

index index of jet

fewestTracks

public int fewestTracks()

Jet with the fewest tracks

Specified by:

fewestTracks in interface JetFinder

Returns:

index of jet with fewest tracks

See Also:

JetFinder.fewestTracks()

setEvent

public void setEvent(Collection data)

Give event information to JetFinder

Specified by:

setEvent in interface JetFinder

See Also:

JetFinder#setEvent(Enumeration)

setEvent

public void setEvent(Collection data,
                     Predicate cut)

Give event information to JetFinder

Specified by:

setEvent in interface JetFinder

Parameters:

cut - predicate to impose a cut on the particles in event

See Also:

JetFinder#setEvent(Enumeration, Predicate)