G4EnclosingCylinder Class Reference

#include <G4EnclosingCylinder.hh>

Public Member Functions
	G4EnclosingCylinder (const G4ReduciblePolygon *rz, G4bool phiIsOpen, G4double startPhi, G4double totalPhi)
	~G4EnclosingCylinder ()=default
G4bool	MustBeOutside (const G4ThreeVector &p) const
G4bool	ShouldMiss (const G4ThreeVector &p, const G4ThreeVector &v) const
	G4EnclosingCylinder (__void__ &)

Protected Attributes
G4double	radius
G4double	zLo
G4double	zHi
G4bool	phiIsOpen
G4double	startPhi
G4double	totalPhi
G4double	rx1 =0.0
G4double	ry1 =0.0
G4double	dx1 =0.0
G4double	dy1 =0.0
G4double	rx2 =0.0
G4double	ry2 =0.0
G4double	dx2 =0.0
G4double	dy2 =0.0
G4bool	concave

Detailed Description

Definition at line 45 of file G4EnclosingCylinder.hh.

Constructor & Destructor Documentation

G4EnclosingCylinder() [1/2]

G4EnclosingCylinder::G4EnclosingCylinder	(	const G4ReduciblePolygon *	rz,
		G4bool	phiIsOpen,
		G4double	startPhi,
		G4double	totalPhi )

Definition at line 39 of file G4EnclosingCylinder.cc.

  : startPhi(theStartPhi), totalPhi(theTotalPhi),
    concave(theTotalPhi > pi)
{
  //
  // Obtain largest r and smallest and largest z
  //
  radius = rz->Amax();
  zHi = rz->Bmax();
  zLo = rz->Bmin();
 
  G4double kCarTolerance = G4GeometryTolerance::GetInstance()
                           ->GetSurfaceTolerance();
  //
  // Save phi info
  //
  phiIsOpen = thePhiIsOpen;
  if ( phiIsOpen )
  {    
    rx1 = std::cos(startPhi);
    ry1 = std::sin(startPhi);
    dx1 = +ry1*10*kCarTolerance;
    dy1 = -rx1*10*kCarTolerance;
    
    rx2 = std::cos(startPhi+totalPhi);
    ry2 = std::sin(startPhi+totalPhi);
    dx2 = -ry2*10*kCarTolerance;
    dy2 = +rx2*10*kCarTolerance;
  }
  
  //
  // Add safety
  //
  radius += 10*kCarTolerance;
  zLo    -= 10*kCarTolerance;
  zHi    += 10*kCarTolerance;
}

~G4EnclosingCylinder()

G4EnclosingCylinder::~G4EnclosingCylinder ( )

default

G4EnclosingCylinder() [2/2]

G4EnclosingCylinder::G4EnclosingCylinder

(

__void__ &

)

Definition at line 83 of file G4EnclosingCylinder.cc.

: radius(0.), zLo(0.), zHi(0.), phiIsOpen(false), startPhi(0.), totalPhi(0.),
  concave(false)
{
}

Member Function Documentation

MustBeOutside()

G4bool G4EnclosingCylinder::MustBeOutside

(

const G4ThreeVector &

p

)

const

Definition at line 95 of file G4EnclosingCylinder.cc.

{
  if (p.perp() > radius) return true;
  if (p.z() < zLo) return true;
  if (p.z() > zHi) return true;
 
  if (phiIsOpen)
  {
    if (concave)
    {
      if ( ((p.x()-dx1)*ry1 - (p.y()-dy1)*rx1) < 0) return false;
      if ( ((p.x()-dx2)*ry2 - (p.y()-dy2)*rx2) > 0) return false;
    }
    else
    {
      if ( ((p.x()-dx1)*ry1 - (p.y()-dy1)*rx1) > 0) return true;
      if ( ((p.x()-dx2)*ry2 - (p.y()-dy2)*rx2) < 0) return true;
    }
  }
  
  return false;
}

Referenced by ShouldMiss().

ShouldMiss()

G4bool G4EnclosingCylinder::ShouldMiss	(	const G4ThreeVector &	p,
		const G4ThreeVector &	v ) const

Definition at line 124 of file G4EnclosingCylinder.cc.

{
  if (!MustBeOutside(p)) return false;
  
  G4double cross = p.x()*v.y() - p.y()*v.x();
  if (cross > radius) return true;
  
  if (p.perp() > radius)
  {
    G4double dot = p.x()*v.x() + p.y()*v.y();
    if (dot > 0) return true;
  }
 
  return false;
}

Member Data Documentation

concave

G4bool G4EnclosingCylinder::concave

protected

Definition at line 81 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), G4EnclosingCylinder(), and MustBeOutside().

dx1

G4double G4EnclosingCylinder::dx1 =0.0

protected

Definition at line 77 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

dx2

G4double G4EnclosingCylinder::dx2 =0.0

protected

Definition at line 79 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

dy1

G4double G4EnclosingCylinder::dy1 =0.0

protected

Definition at line 77 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

dy2

G4double G4EnclosingCylinder::dy2 =0.0

protected

Definition at line 79 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

phiIsOpen

G4bool G4EnclosingCylinder::phiIsOpen

protected

Definition at line 72 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), G4EnclosingCylinder(), and MustBeOutside().

radius

G4double G4EnclosingCylinder::radius

protected

Definition at line 69 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), G4EnclosingCylinder(), MustBeOutside(), and ShouldMiss().

rx1

G4double G4EnclosingCylinder::rx1 =0.0

protected

Definition at line 76 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

rx2

G4double G4EnclosingCylinder::rx2 =0.0

protected

Definition at line 78 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

ry1

G4double G4EnclosingCylinder::ry1 =0.0

protected

Definition at line 76 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

ry2

G4double G4EnclosingCylinder::ry2 =0.0

protected

Definition at line 78 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and MustBeOutside().

startPhi

G4double G4EnclosingCylinder::startPhi

protected

Definition at line 73 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and G4EnclosingCylinder().

totalPhi

G4double G4EnclosingCylinder::totalPhi

protected

Definition at line 74 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), and G4EnclosingCylinder().

zHi

G4double G4EnclosingCylinder::zHi

protected

Definition at line 70 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), G4EnclosingCylinder(), and MustBeOutside().

zLo

G4double G4EnclosingCylinder::zLo

protected

Definition at line 70 of file G4EnclosingCylinder.hh.

Referenced by G4EnclosingCylinder(), G4EnclosingCylinder(), and MustBeOutside().

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

• G4EnclosingCylinder.hh
• G4EnclosingCylinder.cc