genie::geometry::PlaneParam Class Reference

#include <FidShape.h>

Public Member Functions
	PlaneParam (Double_t ain=0, Double_t bin=0, Double_t cin=0, Double_t din=0)
	PlaneParam (Double_t *abcd)
void	Normalize ()
Double_t	Vn (const TVector3 &raybase) const
Double_t	Vd (const TVector3 &raycos) const
Bool_t	IsValid () const
void	ConvertMaster2Top (const ROOTGeomAnalyzer *rgeom)
void	Print (std::ostream &stream) const

Public Attributes
Double_t	a
Double_t	b
Double_t	c
Double_t	d

Friends
std::ostream &	operator<< (std::ostream &stream, const genie::geometry::PlaneParam &pparam)

Detailed Description

Definition at line 59 of file FidShape.h.

Constructor & Destructor Documentation

genie::geometry::PlaneParam::PlaneParam ( Double_t  ain = 0, Double_t  bin = 0, Double_t  cin = 0, Double_t  din = 0  )

inline

Definition at line 65 of file FidShape.h.

References a, b, c, d, and Normalize().

    { a = ain; b = bin; c = cin; d = din; Normalize(); }

genie::geometry::PlaneParam::PlaneParam ( Double_t *  abcd )

inline

Definition at line 67 of file FidShape.h.

References a, b, c, d, and Normalize().

    { a = abcd[0]; b = abcd[1]; c = abcd[2]; d = abcd[3]; Normalize(); }

Member Function Documentation

void PlaneParam::ConvertMaster2Top

(

const ROOTGeomAnalyzer *

rgeom

)

Definition at line 48 of file FidShape.cxx.

References a, genie::units::b, dir, genie::geometry::ROOTGeomAnalyzer::Master2Top(), and genie::geometry::ROOTGeomAnalyzer::Master2TopDir().

Referenced by genie::geometry::FidPolyhedron::ConvertMaster2Top().

{
  // convert a plane equation from master coordinates to "top vol" coordinates
  TVector3 dir(a,b,c);
  rgeom->Master2TopDir(dir);  // new a,b,c
  TVector3 zero(0,0,0);
  rgeom->Master2Top(zero);
  a = dir.X();
  b = dir.Y();
  c = dir.Z();
  d = d - ( a*zero.X() + b*zero.Y() + c*zero.Z() );

}

Bool_t genie::geometry::PlaneParam::IsValid ( ) const

inline

Definition at line 77 of file FidShape.h.

References a, b, and c.

Referenced by genie::geometry::FidCylinder::Intercept(), and genie::geometry::FidPolyhedron::Intercept().

{ return (a != 0 || b != 0 || c != 0 ); }

void genie::geometry::PlaneParam::Normalize ( )

inline

Definition at line 70 of file FidShape.h.

References a, b, c, and d.

Referenced by PlaneParam().

    { Double_t mag = TMath::Sqrt(a*a+b*b+c*c);
      if (mag>0) { a /= mag; b /= mag; c /= mag; d /= mag; } }

void PlaneParam::Print

(

std::ostream &

stream

)

const

Definition at line 63 of file FidShape.cxx.

References a, and genie::units::b.

Referenced by genie::geometry::operator<<().

{
  stream << "PlaneParam=[" << a << "," << b << "," << c << "," << d << "]";
}

Double_t genie::geometry::PlaneParam::Vd ( const TVector3 &  raycos ) const

inline

Definition at line 75 of file FidShape.h.

References a, b, and c.

Referenced by genie::geometry::FidCylinder::Intercept(), and genie::geometry::FidPolyhedron::Intercept().

    { return raycos.Px()*a + raycos.Py()*b + raycos.Pz()*c; }

Double_t genie::geometry::PlaneParam::Vn ( const TVector3 &  raybase ) const

inline

Definition at line 73 of file FidShape.h.

References a, b, c, and d.

Referenced by genie::geometry::FidCylinder::Intercept(), and genie::geometry::FidPolyhedron::Intercept().

    { return raybase.X()*a + raybase.Y()*b + raybase.Z()*c + d; }

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  stream, const genie::geometry::PlaneParam &  pparam  )

friend

Member Data Documentation

Double_t genie::geometry::PlaneParam::a

Definition at line 83 of file FidShape.h.

Referenced by IsValid(), Normalize(), PlaneParam(), Vd(), and Vn().

Double_t genie::geometry::PlaneParam::b

Definition at line 83 of file FidShape.h.

Referenced by IsValid(), Normalize(), PlaneParam(), Vd(), and Vn().

Double_t genie::geometry::PlaneParam::c

Definition at line 83 of file FidShape.h.

Referenced by IsValid(), Normalize(), PlaneParam(), Vd(), and Vn().

Double_t genie::geometry::PlaneParam::d

Definition at line 83 of file FidShape.h.

Referenced by Normalize(), PlaneParam(), and Vn().

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

• FidShape.h
• FidShape.cxx