TrackerPSimHitSelector Class Reference

TrackerPSimHitSelector class. More...

#include <TrackerPSimHitSelector.h>

Inheritance diagram for TrackerPSimHitSelector:

List of all members.

Public Member Functions
virtual void	select (PSimHitCollection &, edm::Event const &, edm::EventSetup const &) const
	Pre-process event information.
	TrackerPSimHitSelector (edm::ParameterSet const &config)
	Constructor by pset.

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Detailed Description

TrackerPSimHitSelector class.

Definition at line 7 of file TrackerPSimHitSelector.h.

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Constructor & Destructor Documentation

TrackerPSimHitSelector::TrackerPSimHitSelector

(

edm::ParameterSet const &

config

)

[inline]

Constructor by pset.

Definition at line 17 of file TrackerPSimHitSelector.h.

: PSimHitSelector(config) {}

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Member Function Documentation

void TrackerPSimHitSelector::select	(	PSimHitCollection &	selection,
		edm::Event const &	event,
		edm::EventSetup const &	setup
	)		const [virtual]

Pre-process event information.

Reimplemented from PSimHitSelector.

Definition at line 16 of file TrackerPSimHitSelector.cc.

References edm::EventSetup::get(), i, edm::Handle< T >::product(), and PSimHitSelector::pSimHitCollectionMap_.

Referenced by TrackingTruthProducer::produce().

{
    // Look for psimhit collection associated o the tracker
    PSimHitCollectionMap::const_iterator pSimHitCollections = pSimHitCollectionMap_.find("tracker");

    // Check that there are psimhit collections defined for the tracker
    if (pSimHitCollections == pSimHitCollectionMap_.end()) return;

    // Grab all the PSimHit from the different sencitive volumes
    edm::Handle<CrossingFrame<PSimHit> > cfPSimHits;
    std::vector<const CrossingFrame<PSimHit> *> cfPSimHitProductPointers;

    // Collect the product pointers to the different psimhit collection
    for (std::size_t i = 0; i < pSimHitCollections->second.size(); ++i)
    {
        event.getByLabel("mix", pSimHitCollections->second[i], cfPSimHits);
        cfPSimHitProductPointers.push_back(cfPSimHits.product());
    }

    // Create a mix collection from the different psimhit collections
    std::auto_ptr<MixCollection<PSimHit> > pSimHits(new MixCollection<PSimHit>(cfPSimHitProductPointers));

    // Setup the cabling mapping
    std::map<uint32_t, std::vector<int> > theDetIdList;
    edm::ESHandle<SiStripDetCabling> detCabling;
    setup.get<SiStripDetCablingRcd>().get( detCabling );
    detCabling->addConnected(theDetIdList);

    // Select only psimhits from alive modules
    std::vector<std::pair<const PSimHit*,int> > psimhits(SimHitSelectorFromDB().getSimHit(pSimHits, theDetIdList));

    // Add the selected psimhit to the main list
    for (std::size_t i = 0; i < psimhits.size(); ++i)
        selection.push_back( *(const_cast<PSimHit*>(psimhits[i].first)) );
}