TightMuonSteppingFieldManager Class Reference

G4FieldManager that sets tight stepping for muons; caches global values for other particles. More...

#include <TightMuonSteppingFieldManager.h>

Inheritance diagram for TightMuonSteppingFieldManager:

Collaboration diagram for TightMuonSteppingFieldManager:

Public Member Functions
	TightMuonSteppingFieldManager (G4Field *detectorField=0, G4ChordFinder *pChordFinder=0, G4bool b=true)
	Constructor.
	TightMuonSteppingFieldManager (G4MagneticField *detectorMagneticField)
	Simple constructor.
virtual	~TightMuonSteppingFieldManager ()
	Simple destructor.
virtual void	ConfigureForTrack (const G4Track *) override final
	The one interesting method.

Private Attributes
double	m_globalDeltaChord
	Parameters of the stepper.
double	m_globalDeltaOneStep
double	m_globalDeltaIntersection
double	m_globalMinEps
double	m_globalMaxEps

Detailed Description

G4FieldManager that sets tight stepping for muons; caches global values for other particles.

Author

Zach Marshall

Date

2016-06-01

Definition at line 23 of file TightMuonSteppingFieldManager.h.

Constructor & Destructor Documentation

TightMuonSteppingFieldManager() [1/2]

TightMuonSteppingFieldManager::TightMuonSteppingFieldManager	(	G4Field *	detectorField = 0,
		G4ChordFinder *	pChordFinder = 0,
		G4bool	b = true )

Constructor.

Normal constructor.

Definition at line 15 of file TightMuonSteppingFieldManager.cxx.

 : G4FieldManager(detectorField,pChordFinder,b)
 , m_globalDeltaChord(-1.)
 , m_globalDeltaOneStep(-1.)
 , m_globalDeltaIntersection(-1.)
 , m_globalMinEps(-1.)
 , m_globalMaxEps(-1.)
{}

TightMuonSteppingFieldManager() [2/2]

TightMuonSteppingFieldManager::TightMuonSteppingFieldManager

(

G4MagneticField *

detectorMagneticField

)

Simple constructor.

Definition at line 25 of file TightMuonSteppingFieldManager.cxx.

 : G4FieldManager(detectorMagneticField) 
 , m_globalDeltaChord(-1.)
 , m_globalDeltaOneStep(-1.)
 , m_globalDeltaIntersection(-1.)
 , m_globalMinEps(-1.)
 , m_globalMaxEps(-1.)
{}

~TightMuonSteppingFieldManager()

virtual TightMuonSteppingFieldManager::~TightMuonSteppingFieldManager ( )

inlinevirtual

Simple destructor.

Definition at line 33 of file TightMuonSteppingFieldManager.h.

{}

Member Function Documentation

ConfigureForTrack()

void TightMuonSteppingFieldManager::ConfigureForTrack ( const G4Track * track )

finaloverridevirtual

The one interesting method.

Definition at line 35 of file TightMuonSteppingFieldManager.cxx.

{
  // If they have not been set yet, get the settings for the global field manager
  if (m_globalDeltaChord<0){
    m_globalDeltaChord = GetChordFinder()->GetDeltaChord();
    m_globalDeltaOneStep = GetDeltaOneStep();
    m_globalDeltaIntersection = GetDeltaIntersection();
    m_globalMinEps = GetMinimumEpsilonStep();
    m_globalMaxEps = GetMaximumEpsilonStep();
  }
 
  // If this is a muon, set tight parameters; otherwise go back to the defaults
  if (track->GetDefinition()==G4MuonPlus::Definition() ||
      track->GetDefinition()==G4MuonMinus::Definition() ||
      track->GetDefinition()==G4ChargedGeantino::ChargedGeantinoDefinition()) {
    GetChordFinder()->SetDeltaChord(0.00000002);
    SetDeltaOneStep(0.000001);
    SetDeltaIntersection(0.00000002);
    G4FieldManagerHelper::SetMinAndMaxEpsilonStep(this, 0.0000009, 0.000001);
  } else {
    GetChordFinder()->SetDeltaChord(m_globalDeltaChord);
    SetDeltaOneStep(m_globalDeltaOneStep);
    SetDeltaIntersection(m_globalDeltaIntersection);
    G4FieldManagerHelper::SetMinAndMaxEpsilonStep(this, m_globalMinEps, m_globalMaxEps);
  }
 
}

Member Data Documentation

m_globalDeltaChord

double TightMuonSteppingFieldManager::m_globalDeltaChord

private

Parameters of the stepper.

This is to cache the global ones; the muon ones will be hard-coded

Definition at line 40 of file TightMuonSteppingFieldManager.h.

m_globalDeltaIntersection

double TightMuonSteppingFieldManager::m_globalDeltaIntersection

private

Definition at line 42 of file TightMuonSteppingFieldManager.h.

m_globalDeltaOneStep

double TightMuonSteppingFieldManager::m_globalDeltaOneStep

private

Definition at line 41 of file TightMuonSteppingFieldManager.h.

m_globalMaxEps

double TightMuonSteppingFieldManager::m_globalMaxEps

private

Definition at line 44 of file TightMuonSteppingFieldManager.h.

m_globalMinEps

double TightMuonSteppingFieldManager::m_globalMinEps

private

Definition at line 43 of file TightMuonSteppingFieldManager.h.

---

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

• TightMuonSteppingFieldManager.h
• TightMuonSteppingFieldManager.cxx