BDSSDThinThing Class Reference

The sensitive detector class that provides sensitivity to record thin thing hits. More...

#include <BDSSDThinThing.hh>

Inheritance diagram for BDSSDThinThing:

Collaboration diagram for BDSSDThinThing:

Public Member Functions
	BDSSDThinThing (const G4String &name, const BDS::TrajectoryOptions &trajectoryOptionsIn)
	Include unique name for each instance. More...
virtual void	Initialize (G4HCofThisEvent *HCE) override
virtual G4bool	ProcessHits (G4Step *aStep, G4TouchableHistory *rOHist) override
virtual G4bool	ProcessHitsOrdered (G4Step *step, G4TouchableHistory *rOHist, const std::vector< G4VHit * > &hits) override
virtual G4VHit *	last () const override
	Return the last collimator hit. More...
BDSSDThinThing &	operator= (const BDSSDThinThing &)=delete
	Assignment and copy constructor not implemented nor used.
	BDSSDThinThing (BDSSDThinThing &)=delete
	Assignment and copy constructor not implemented nor used.
Public Member Functions inherited from BDSSensitiveDetector
	BDSSensitiveDetector (const G4String &name)
virtual G4VHit *	last () const =0
virtual G4bool	ProcessHitsOrdered (G4Step *step, G4TouchableHistory *rOHist, const std::vector< G4VHit * > &hits)
G4bool	HitOrdered (G4Step *step, const std::vector< G4VHit * > &hits)

Private Attributes
BDSHitsCollectionThinThing *	thinThingCollection
	The hits collection for this sensitive detector class that's owned by each instance. More...
G4String	itsCollectionName
	The name of the hits collection that's created and registered. More...
G4int	itsHCID
const G4bool	storeTrajectoryLocal
const G4bool	storeTrajectoryLinks
const G4bool	storeTrajectoryIon

Detailed Description

The sensitive detector class that provides sensitivity to record thin thing hits.

The purpose of this class is to identify a primary scatter point in a very thing object such as a wire or gas volume. In such a case, the primary may loose energy due to ionisation or multiple scattering in an AlongStep process but Geant4 will report Transportation as the process that defined the step length. Therefore, we conventionally don't identify it as a scatter point as it's indistinguishable from a transportation step (ie physics process didn't define the step).

Practically, without this ability we would see primaries lost in the model due to a change in energy but the primary not have 'hit' anything.

Author

Laurie Nevay

Definition at line 55 of file BDSSDThinThing.hh.

Constructor & Destructor Documentation

BDSSDThinThing()

BDSSDThinThing::BDSSDThinThing	(	const G4String &	name,
		const BDS::TrajectoryOptions &	trajectoryOptionsIn
	)

Include unique name for each instance.

Definition at line 37 of file BDSSDThinThing.cc.

~BDSSDThinThing()

BDSSDThinThing::~BDSSDThinThing ( )

virtual

Definition at line 50 of file BDSSDThinThing.cc.

Member Function Documentation

Initialize()

void BDSSDThinThing::Initialize ( G4HCofThisEvent *  HCE )

overridevirtual

Overriden from G4VSensitiveDetector. Creates hits collection and registers it with the hits collection of this event (HCE).

Definition at line 53 of file BDSSDThinThing.cc.

References itsCollectionName, itsHCID, and thinThingCollection.

last()

G4VHit * BDSSDThinThing::last ( ) const

overridevirtual

Return the last collimator hit.

Implements BDSSensitiveDetector.

Definition at line 106 of file BDSSDThinThing.cc.

References thinThingCollection.

ProcessHits()

G4bool BDSSDThinThing::ProcessHits ( G4Step *  aStep, G4TouchableHistory *  rOHist  )

overridevirtual

Overriden from G4VSensitiveDetector. Creates hit instances and appends them to the hits collection.

Definition at line 68 of file BDSSDThinThing.cc.

References ProcessHitsOrdered().

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ProcessHitsOrdered()

G4bool BDSSDThinThing::ProcessHitsOrdered ( G4Step *  step, G4TouchableHistory *  rOHist, const std::vector< G4VHit * > &  hits  )

overridevirtual

Override creation of hit w.r.t. hit already generated by other SD, namely the energy deposition SD for collimator hits.

Reimplemented from BDSSensitiveDetector.

Definition at line 74 of file BDSSDThinThing.cc.

References BDSGlobalConstants::Instance(), BDS::IsFinite(), BDSTrajectoryPoint::IsScatteringPoint(), and thinThingCollection.

Referenced by ProcessHits().

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Field Documentation

itsCollectionName

G4String BDSSDThinThing::itsCollectionName

private

The name of the hits collection that's created and registered.

Definition at line 92 of file BDSSDThinThing.hh.

Referenced by Initialize().

itsHCID

G4int BDSSDThinThing::itsHCID

private

Hits collection ID - an integer look up for the hits collection provided by G4SDManager (a registry) that is given to the G4HCofThisEvent (Hits collection of the event).

Definition at line 97 of file BDSSDThinThing.hh.

Referenced by Initialize().

storeTrajectoryIon

const G4bool BDSSDThinThing::storeTrajectoryIon

private

Definition at line 101 of file BDSSDThinThing.hh.

storeTrajectoryLinks

const G4bool BDSSDThinThing::storeTrajectoryLinks

private

Definition at line 100 of file BDSSDThinThing.hh.

storeTrajectoryLocal

const G4bool BDSSDThinThing::storeTrajectoryLocal

private

Definition at line 99 of file BDSSDThinThing.hh.

thinThingCollection

BDSHitsCollectionThinThing* BDSSDThinThing::thinThingCollection

private

The hits collection for this sensitive detector class that's owned by each instance.

Definition at line 89 of file BDSSDThinThing.hh.

Referenced by Initialize(), last(), and ProcessHitsOrdered().

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The documentation for this class was generated from the following files:

• /Users/nevay/physics/reps/bdsim/include/BDSSDThinThing.hh
• /Users/nevay/physics/reps/bdsim/src/BDSSDThinThing.cc