SimpleJetAnalyzer.SimpleJetAnalyzer Class Reference

Inheritance diagram for SimpleJetAnalyzer.SimpleJetAnalyzer:

Public Member Functions
def	declareHandles (self)
def	process (self, event)

Detailed Description

Just a simple jet analyzer, to be used in tutorials.

example configuration:

jets = cfg.Analyzer(
   SimpleJetAnalyzer,
   'jets',
   filter_func = lambda x : x.pt()>30 # filtering function for the jets
   njets = 4, # keeping the first 4 leading jets passing cuts 
)

Definition at line 6 of file SimpleJetAnalyzer.py.

Member Function Documentation

declareHandles()

def SimpleJetAnalyzer.SimpleJetAnalyzer.declareHandles

(

self

)

Definition at line 19 of file SimpleJetAnalyzer.py.

    def declareHandles(self):
        super(SimpleJetAnalyzer, self).declareHandles()
        self.handles['jets'] = AutoHandle( 'slimmedJets',
                                           'std::vector<pat::Jet>' )
        self.mchandles['genjets'] = AutoHandle( 'slimmedGenJets',
                                                'std::vector<reco::GenJet>')
        

References core.AutoHandle.AutoHandle.handles, core.Analyzer.Analyzer.handles, HTTP.RequestManager.handles, and core.Analyzer.Analyzer.mchandles.

process()

def SimpleJetAnalyzer.SimpleJetAnalyzer.process	(		self,
			event
	)

Definition at line 26 of file SimpleJetAnalyzer.py.

    def process(self, event):
        super(SimpleJetAnalyzer, self).readCollections(event.input)
        # creating Jet python objects wrapping the EDM jets
        jets = map(Jet, self.handles['jets'].product())
        jets = [ jet for jet in jets if self.cfg_ana.filter_func(jet)]
        jets = jets[:self.cfg_ana.njets]
 
        if self.cfg_comp.isMC:
            genjets =  map(GenJet, self.mchandles['genjets'].product())
            matches = matchObjectCollection(jets, genjets, 0.2)
            for jet in jets:
                jet.gen = matches[jet]
            
        setattr(event, self.instance_label, jets)
        setattr(event, '_'.join([self.instance_label, 'gen']), genjets)

References analyzer.Analyzer.cfg_ana, analyzer.Analyzer.cfg_comp, looper.Looper.cfg_comp, core.AutoHandle.AutoHandle.handles, core.Analyzer.Analyzer.handles, HTTP.RequestManager.handles, analyzer.Analyzer.instance_label, config.Analyzer.instance_label, config.Service.instance_label, join(), genParticles_cff.map, deltar.matchObjectCollection(), and core.Analyzer.Analyzer.mchandles.