Selectors

Classes
class	Selector
	Class that encodes information about cuts and other selection criteria that can be applied to PseudoJet(s). More...
class	SelectorWorker
	default selector worker is an abstract virtual base class More...
Functions
Selector	SelectorIdentity ()
Selector	operator! (const Selector &s)
	logical not applied on a selector
Selector	operator|| (const Selector &s1, const Selector &s2)
	logical or between two selectors
Selector	operator&& (const Selector &s1, const Selector &s2)
	logical and between two selectors
Selector	operator* (const Selector &s1, const Selector &s2)
	successive application of 2 selectors
Selector	SelectorPtMin (double ptmin)
	select objects with pt >= ptmin
Selector	SelectorPtMax (double ptmax)
	select objects with pt <= ptmax
Selector	SelectorPtRange (double ptmin, double ptmax)
	select objects with ptmin <= pt <= ptmax
Selector	SelectorEtMin (double Etmin)
	select objects with Et >= Etmin
Selector	SelectorEtMax (double Etmax)
	select objects with Et <= Etmax
Selector	SelectorEtRange (double Etmin, double Etmax)
	select objects with Etmin <= Et <= Etmax
Selector	SelectorEMin (double Emin)
	select objects with E >= Emin
Selector	SelectorEMax (double Emax)
	select objects with E <= Emax
Selector	SelectorERange (double Emin, double Emax)
	select objects with Emin <= E <= Emax
Selector	SelectorMMin (double Mmin)
	select objects with M >= Mmin
Selector	SelectorMMax (double Mmax)
	select objects with M <= Mmax
Selector	SelectorMRange (double Mmin, double Mmax)
	select objects with Mmin <= M <= Mmax
Selector	SelectorRapMin (double rapmin)
	select objects with rap >= rapmin
Selector	SelectorRapMax (double rapmax)
	select objects with rap <= rapmax
Selector	SelectorRapRange (double rapmin, double rapmax)
	select objects with rapmin <= rap <= rapmax
Selector	SelectorAbsRapMin (double absrapmin)
	select objects with |rap| >= absrapmin
Selector	SelectorAbsRapMax (double absrapmax)
	select objects with |rap| <= absrapmax
Selector	SelectorAbsRapRange (double absrapmin, double absrapmax)
	select objects with absrapmin <= |rap| <= absrapmax
Selector	SelectorEtaMin (double etamin)
	select objects with eta >= etamin
Selector	SelectorEtaMax (double etamax)
	select objects with eta <= etamax
Selector	SelectorEtaRange (double etamin, double etamax)
	select objects with etamin <= eta <= etamax
Selector	SelectorAbsEtaMin (double absetamin)
	select objects with |eta| >= absetamin
Selector	SelectorAbsEtaMax (double absetamax)
	select objects with |eta| <= absetamax
Selector	SelectorAbsEtaRange (double absetamin, double absetamax)
	select objects with absetamin <= |eta| <= absetamax
Selector	SelectorPhiRange (double phimin, double phimax)
	select objects with phimin <= phi <= phimax
Selector	SelectorRapPhiRange (double rapmin, double rapmax, double phimin, double phimax)
	select objects with rapmin <= rap <= rapmax && phimin <= phi <= phimax
Selector	SelectorNHardest (unsigned int n)
	select the n hardest objects
Selector	SelectorCircle (const double &radius)
	select objets within a distance 'radius' from the location of the reference jet, set by Selector::set_reference(...)
Selector	SelectorDoughnut (const double &radius_in, const double &radius_out)
	select objets with distance from the reference jet is between 'radius_in' and 'radius_out'; the reference jet is set by Selector::set_reference(...)
Selector	SelectorStrip (const double &half_width)
	select objets within a rapidity distance 'half_width' from the location of the reference jet, set by Selector::set_reference(...)
Selector	SelectorRectangle (const double &half_rap_width, const double &half_phi_width)
	select objets within rapidity distance 'half_rap_width' from the reference jet and azimuthal-angle distance within 'half_phi_width'; the reference jet is set by Selector::set_reference(...)
Selector	SelectorPtFractionMin (double fraction)
	select objects that carry at least a fraction "fraction" of the reference jet.
Selector	SelectorIsPureGhost ()
	select objects that are (or are only made of) ghosts.

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Function Documentation

Selector operator!

(

const Selector &

s

)

logical not applied on a selector

This will keep objects that do not pass the 's' selector

Definition at line 158 of file Selector.cc.

                                       {
  return Selector(new SW_Not(s));
}

Selector operator||	(	const Selector &	s1,
		const Selector &	s2
	)

logical or between two selectors

this will keep the objects that are selected by s1 or s2

Definition at line 344 of file Selector.cc.

                                                               {
  return Selector(new SW_Or(s1,s2));
}

Selector operator&&	(	const Selector &	s1,
		const Selector &	s2
	)

logical and between two selectors

this will keep the objects that are selected by both s1 and s2

watch out: for both s1 and s2, the selection is applied on the original list of objects. For successive applications of two selectors (convolution/multiplication) see the operator *

Definition at line 268 of file Selector.cc.

                                                              {
  return Selector(new SW_And(s1,s2));
}

Selector operator*	(	const Selector &	s1,
		const Selector &	s2
	)

successive application of 2 selectors

Apply the selector s2, then the selector s1.

watch out: the operator * acts like an operator product i.e. does not commute. The order of its arguments is therefore important. Whenever they commute (in particluar, when they apply jet by jet), this would have the same effect as the logical &&.

Definition at line 384 of file Selector.cc.

                                                             {
  return Selector(new SW_Mult(s1,s2));
}

Selector SelectorRapPhiRange	(	double	rapmin,
		double	rapmax,
		double	phimin,
		double	phimax
	)

select objects with rapmin <= rap <= rapmax && phimin <= phi <= phimax

Note that this is essentially a combination of SelectorRapRange and SelectorPhiRange. We provide it as a Selector on its own in order to use the known area (which would otherwise be lost by the && operator)

Definition at line 826 of file Selector.cc.

                                                                                         {
  return Selector(new SW_RapPhiRange(rapmin, rapmax, phimin, phimax));
}

Selector SelectorPtFractionMin

(

double

fraction

)

select objects that carry at least a fraction "fraction" of the reference jet.

The reference jet must have been set with Selector::set_reference(...)

Definition at line 1212 of file Selector.cc.

Referenced by main().

                                               {
  return Selector(new SW_PtFractionMin(fraction));
}

Selector SelectorIsPureGhost

(

)

select objects that are (or are only made of) ghosts.

PseudoJets for which has_area() are considered non-pure-ghost.

Definition at line 1171 of file Selector.cc.

                              {
  return Selector(new SW_IsPureGhost());
}