G4ErrorSurfaceTrajParam Class Reference

#include <G4ErrorSurfaceTrajParam.hh>

Public Member Functions
	G4ErrorSurfaceTrajParam ()
	G4ErrorSurfaceTrajParam (const G4Point3D &pos, const G4Vector3D &mom, const G4Vector3D &vecV, const G4Vector3D &vecW)
	G4ErrorSurfaceTrajParam (const G4Point3D &pos, const G4Vector3D &mom, const G4Plane3D &plane)
virtual	~G4ErrorSurfaceTrajParam ()
void	SetParameters (const G4Point3D &pos, const G4Vector3D &mom, const G4Vector3D &vecV, const G4Vector3D &vecW)
void	SetParameters (const G4Point3D &pos, const G4Vector3D &mom, const G4Plane3D &plane)
G4Vector3D	GetDirection () const
G4Vector3D	GetPlaneNormal () const
G4Vector3D	GetVectorV () const
G4Vector3D	GetVectorW () const
G4double	GetPV () const
G4double	GetPW () const
G4double	GetV () const
G4double	GetW () const
G4double	GetInvP () const

Friends
std::ostream &	operator<< (std::ostream &, const G4ErrorSurfaceTrajParam &ts)

Detailed Description

Definition at line 52 of file G4ErrorSurfaceTrajParam.hh.

Constructor & Destructor Documentation

G4ErrorSurfaceTrajParam::G4ErrorSurfaceTrajParam ( )

inline

Definition at line 56 of file G4ErrorSurfaceTrajParam.hh.

   : fInvP(0.), fPV(0.), fPW(0.), fV(0.), fW(0.) {}

G4ErrorSurfaceTrajParam::G4ErrorSurfaceTrajParam	(	const G4Point3D &	pos,
		const G4Vector3D &	mom,
		const G4Vector3D &	vecV,
		const G4Vector3D &	vecW
	)

Definition at line 41 of file G4ErrorSurfaceTrajParam.cc.

{
  SetParameters( pos, mom, vecV, vecW );
}

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G4ErrorSurfaceTrajParam::G4ErrorSurfaceTrajParam	(	const G4Point3D &	pos,
		const G4Vector3D &	mom,
		const G4Plane3D &	plane
	)

Definition at line 50 of file G4ErrorSurfaceTrajParam.cc.

{
  SetParameters( pos, mom, plane );
}

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virtual G4ErrorSurfaceTrajParam::~G4ErrorSurfaceTrajParam ( )

inlinevirtual

Definition at line 62 of file G4ErrorSurfaceTrajParam.hh.

{}

Member Function Documentation

G4Vector3D G4ErrorSurfaceTrajParam::GetDirection ( ) const

inline

Definition at line 74 of file G4ErrorSurfaceTrajParam.hh.

{ return fDir; }

G4double G4ErrorSurfaceTrajParam::GetInvP ( ) const

inline

Definition at line 82 of file G4ErrorSurfaceTrajParam.hh.

{ return fInvP; }

G4Vector3D G4ErrorSurfaceTrajParam::GetPlaneNormal ( ) const

inline

Definition at line 75 of file G4ErrorSurfaceTrajParam.hh.

{ return fVectorV.cross(fVectorW); }

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G4double G4ErrorSurfaceTrajParam::GetPV ( ) const

inline

Definition at line 78 of file G4ErrorSurfaceTrajParam.hh.

{ return fPV; }

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G4double G4ErrorSurfaceTrajParam::GetPW ( ) const

inline

Definition at line 79 of file G4ErrorSurfaceTrajParam.hh.

{ return fPW; }

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G4double G4ErrorSurfaceTrajParam::GetV ( ) const

inline

Definition at line 80 of file G4ErrorSurfaceTrajParam.hh.

{ return fV; }

G4Vector3D G4ErrorSurfaceTrajParam::GetVectorV ( ) const

inline

Definition at line 76 of file G4ErrorSurfaceTrajParam.hh.

{ return fVectorV; }

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G4Vector3D G4ErrorSurfaceTrajParam::GetVectorW ( ) const

inline

Definition at line 77 of file G4ErrorSurfaceTrajParam.hh.

{ return fVectorW; }

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G4double G4ErrorSurfaceTrajParam::GetW ( ) const

inline

Definition at line 81 of file G4ErrorSurfaceTrajParam.hh.

{ return fW; }

void G4ErrorSurfaceTrajParam::SetParameters	(	const G4Point3D &	pos,
		const G4Vector3D &	mom,
		const G4Vector3D &	vecV,
		const G4Vector3D &	vecW
	)

Definition at line 83 of file G4ErrorSurfaceTrajParam.cc.

{
  if( mom.mag() > 0. ) {
    fDir = mom;
    fDir /= mom.mag();
  } else {
    fDir = G4Vector3D(0.,0.,0.);
  }
  fVectorV = vecV / vecV.mag();
  fVectorW = vecW / vecW.mag();
  fInvP = 1./mom.mag();
  G4ThreeVector momv(mom);
  //check 3 vectors are ortogonal and right handed

  // now all 4 scalar memeber variables retain the signs
  //  fPV = momv.project( vecV ).mag();
  //  fPW = momv.project( vecW ).mag();
  fPV = momv.dot( vecV );
  fPW = momv.dot( vecW );


  G4ThreeVector posv(pos);
  // fV = posv.project( vecV ).mag();
  // fW = posv.project( vecW ).mag();
  fV = posv.dot( vecV );
  fW = posv.dot( vecW );
}

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void G4ErrorSurfaceTrajParam::SetParameters	(	const G4Point3D &	pos,
		const G4Vector3D &	mom,
		const G4Plane3D &	plane
	)

Definition at line 58 of file G4ErrorSurfaceTrajParam.cc.

{
  //--- Get two perpendicular vectors: first parallel X
  //    (unless normal is parallel to X, then take Y)

  G4double kCarTolerance =
    G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();

  G4ThreeVector Xvec(1.,0.,0.);
  G4Vector3D vecV = -Xvec.cross(plane.normal());
  if( vecV.mag() < kCarTolerance )
  {
    G4ThreeVector Zvec(0.,0.,1.);
    vecV = Zvec.cross(plane.normal());
  }

  G4Vector3D vecW = plane.normal().cross( vecV );

  SetParameters( pos, mom, vecV, vecW );
}

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Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out, const G4ErrorSurfaceTrajParam &  ts  )

friend

Definition at line 114 of file G4ErrorSurfaceTrajParam.cc.

{
  //  long mode = out.setf(std::ios::fixed,std::ios::floatfield);
  
  //  out << tp.theType;
  //  out << std::setprecision(5) << std::setw(10);
  out << " InvP= " << tp.fInvP << " PV= " << tp.fPV
      << " PW= " << tp.fPW << " V= " << tp.fV << " W= " << tp.fW << G4endl;
  out << " vectorV direction= " << tp.fVectorV
      << " vectorW direction= " << tp.fVectorW << G4endl;
    
  return out;
}

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

• geant4.10.03.p01/source/error_propagation/include/G4ErrorSurfaceTrajParam.hh
• geant4.10.03.p01/source/error_propagation/src/G4ErrorSurfaceTrajParam.cc