LBNEHornRadialEquation Class Reference

#include <LBNEVolumePlacements.hh>

Public Member Functions
	LBNEHornRadialEquation ()
	LBNEHornRadialEquation (double rSqrtCoefficient, double zCoefficient, double rOffset, bool parabolic=true)
double	GetVal (double z) const
void	test1 () const
void	SetLongRescaleFactor (double r)
void	SetRadialRescaleFactor (double r)
void	SetRadialRescaleFactorCst (double r)

Private Attributes
bool	parabolic
double	rCoeff
double	zCoeff
double	rOff
double	rResc
double	rRescCst
double	zResc

Static Private Attributes
static double	inchDef = 2.54*CLHEP::cm

Detailed Description

Definition at line 89 of file LBNEVolumePlacements.hh.

Constructor & Destructor Documentation

LBNEHornRadialEquation::LBNEHornRadialEquation

(

)

LBNEHornRadialEquation::LBNEHornRadialEquation	(	double	rSqrtCoefficient,
		double	zCoefficient,
		double	rOffset,
		bool	parabolic = true
	)

Definition at line 1597 of file LBNEDownstrVolPlacements.cc.

                                                                                                    :
parabolic(isParabolic),
rCoeff(rc),
zCoeff(zc),
rOff(rOffTmp),
rResc(1.0),
rRescCst(0.),
zResc(1.0)
{ ; } 

Member Function Documentation

double LBNEHornRadialEquation::GetVal

(

double

z

)

const

Definition at line 1607 of file LBNEDownstrVolPlacements.cc.

                                                    {
  // z = 0 above is by arbitrary choice the Z coordinate of the starting point of the Horn1TopLevelUpstr logical volume
  // We shift the drawing coordinate system
 // const double zD = z + 3.2852*inchDef*zResc; // Only valid for Horn1 !!!!! 
// By definition, drawing 8875.000-ME-363028 (Z=0 is ACTRNT)
 
 const double zR = z/inchDef; // back in inches. 
 const double argR = rCoeff + zR*zCoeff/zResc;
 if (argR < 0.) {
    std::ostringstream mStrStr; mStrStr << " Negative argument, z = " << z 
                                        << " argR " << argR << " zResc " << zResc << std::endl; 
    G4String mStr(mStrStr.str());
    G4Exception("LBNEHornRadialEquation::GetVal", " ", FatalErrorInArgument, mStr.c_str());
  } 
 const double radius = parabolic ? (std::sqrt(argR) + rOff) : argR;
// return radius*zResc*inchDef; v3r0p10
 return (radius*rResc*inchDef + rRescCst); // Dec 16: add a constant term for this linear transform 
}

void LBNEHornRadialEquation::SetLongRescaleFactor ( double  r )

inline

Definition at line 108 of file LBNEVolumePlacements.hh.

{zResc = r;}

void LBNEHornRadialEquation::SetRadialRescaleFactor ( double  r )

inline

Definition at line 109 of file LBNEVolumePlacements.hh.

{rResc = r;}

void LBNEHornRadialEquation::SetRadialRescaleFactorCst ( double  r )

inline

Definition at line 110 of file LBNEVolumePlacements.hh.

{rRescCst = r;}

void LBNEHornRadialEquation::test1

(

)

const

Definition at line 1626 of file LBNEDownstrVolPlacements.cc.

                                         {

  //Test at the end of first section of Horn1 (8875.112-MD 363104) 
  const double argZ = (3.2645 + 17.876 - 0.031);
  const double rTest = this->GetVal(argZ*25.4*CLHEP::mm*zResc);
  std::cerr << " LBNEHornRadialEquation::test1, argZ " << argZ << "  rTest (mm) " << rTest <<  std::endl;
  std::cerr << " inchDef " << inchDef << " zCoeff " << zCoeff << " rCoeff " << rCoeff << " rOff " << rOff << std::endl;
  const double delta = 2.0*rTest - 1.6326*25.4*CLHEP::mm*rResc; // Actually, the drawing says 1.6 !!! mistake of 700 microns. 
  std::cerr << " delta (mm) " << delta << " zResc " << zResc << " rResc " << rResc <<  std::endl;
  if (std::abs(delta) > 0.127*CLHEP::mm) { // 5 mill tolerance 
    G4Exception("LBNEHornRadialEquation::test1", " ", FatalErrorInArgument,
                " Horn1 Equation 0 inconsistent with drawing 363104"); 
  } 
}

Member Data Documentation

double LBNEHornRadialEquation::inchDef = 2.54*CLHEP::cm

staticprivate

Definition at line 98 of file LBNEVolumePlacements.hh.

bool LBNEHornRadialEquation::parabolic

private

Definition at line 99 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::rCoeff

private

Definition at line 100 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::rOff

private

Definition at line 102 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::rResc

private

Definition at line 103 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::rRescCst

private

Definition at line 104 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::zCoeff

private

Definition at line 101 of file LBNEVolumePlacements.hh.

double LBNEHornRadialEquation::zResc

private

Definition at line 105 of file LBNEVolumePlacements.hh.

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

• g4lbne/include/LBNEVolumePlacements.hh
• g4lbne/src/LBNEDownstrVolPlacements.cc