#include <PolyFit2DParametrizedMagneticField.h>

Inheritance diagram for PolyFit2DParametrizedMagneticField:

Public Member Functions
GlobalVector	inTesla (const GlobalPoint &gp) const override
	Field value ad specified global point, in Tesla. More...

GlobalVector	inTeslaUnchecked (const GlobalPoint &gp) const override

bool	isDefined (const GlobalPoint &gp) const override
	True if the point is within the region where the concrete field. More...

	PolyFit2DParametrizedMagneticField (const edm::ParameterSet &parameters)
	Constructor. Parameters taken from a PSet. More...

	PolyFit2DParametrizedMagneticField (double bVal=3.8114)

	~PolyFit2DParametrizedMagneticField () override
	Destructor. More...

Public Member Functions inherited from MagneticField
virtual MagneticField *	clone () const

GlobalVector	inInverseGeV (const GlobalPoint &gp) const
	Field value ad specified global point, in 1/Gev. More...

GlobalVector	inKGauss (const GlobalPoint &gp) const
	Field value ad specified global point, in KGauss. More...

	MagneticField ()

	MagneticField (const MagneticField &orig)

int	nominalValue () const
	The nominal field value for this map in kGauss. More...

virtual	~MagneticField ()

Private Attributes
magfieldparam::BFit *	theParam

Detailed Description

Magnetic Field engine wrapper for V. Maroussov's 2D parametrization of the MT data.

Author: N. Amapane

Definition at line 21 of file PolyFit2DParametrizedMagneticField.h.

Constructor & Destructor Documentation

◆ PolyFit2DParametrizedMagneticField() [1/2]

PolyFit2DParametrizedMagneticField::PolyFit2DParametrizedMagneticField ( double bVal = 3.8114 )

Constructor. Fitted bVal for the nominal currents are: 2.0216; 3.5162; 3.8114; 4.01242188708911

Definition at line 15 of file PolyFit2DParametrizedMagneticField.cc.

                                                                                   : theParam(new BFit()) {
   theParam->SetField(bVal);
 }

References magfieldparam::BFit::SetField(), and theParam.

◆ PolyFit2DParametrizedMagneticField() [2/2]

PolyFit2DParametrizedMagneticField::PolyFit2DParametrizedMagneticField ( const edm::ParameterSet & parameters )

Constructor. Parameters taken from a PSet.

Definition at line 19 of file PolyFit2DParametrizedMagneticField.cc.

     : theParam(new BFit()) {
   theParam->SetField(parameters.getParameter<double>("BValue"));
 }

References magfieldparam::BFit::SetField(), and theParam.

◆ ~PolyFit2DParametrizedMagneticField()

PolyFit2DParametrizedMagneticField::~PolyFit2DParametrizedMagneticField ( )

override

Destructor.

Definition at line 24 of file PolyFit2DParametrizedMagneticField.cc.

24 { delete theParam; }

References theParam.

Member Function Documentation

◆ inTesla()

GlobalVector PolyFit2DParametrizedMagneticField::inTesla ( const GlobalPoint & gp ) const

overridevirtual

Field value ad specified global point, in Tesla.

Implements MagneticField.

Definition at line 26 of file PolyFit2DParametrizedMagneticField.cc.

                                                                                     {
   if (isDefined(gp)) {
     return inTeslaUnchecked(gp);
   } else {
     edm::LogWarning("MagneticField") << " Point " << gp
                                      << " is outside the validity region of PolyFit2DParametrizedMagneticField";
     return GlobalVector();
   }
 }

References runTauDisplay::gp, inTeslaUnchecked(), and isDefined().

◆ inTeslaUnchecked()

GlobalVector PolyFit2DParametrizedMagneticField::inTeslaUnchecked ( const GlobalPoint & gp ) const

overridevirtual

Optional implementation that derived classes can implement to provide faster query by skipping the check to isDefined.

Reimplemented from MagneticField.

Definition at line 36 of file PolyFit2DParametrizedMagneticField.cc.

                                                                                              {
   double Br, Bz, Bphi;
   theParam->GetField(gp.perp() / 100., gp.z() / 100., gp.phi(), Br, Bz, Bphi);
  
   double cosphi = cos(gp.phi());
   double sinphi = sin(gp.phi());
  
   return GlobalVector(Br * cosphi - Bphi * sinphi, Br * sinphi + Bphi * cosphi, Bz);
 }

References funct::cos(), magfieldparam::BFit::GetField(), runTauDisplay::gp, funct::sin(), and theParam.

Referenced by inTesla().

◆ isDefined()

bool PolyFit2DParametrizedMagneticField::isDefined ( const GlobalPoint & ) const

overridevirtual

True if the point is within the region where the concrete field.

Reimplemented from MagneticField.

Definition at line 46 of file PolyFit2DParametrizedMagneticField.cc.

                                                                               {
   double z = fabs(gp.z());
   double r = gp.perp();
   //"rectangle" |z|<3.5, r<1.9 _except_ the "corners" |z|+2.5*r>6.7, everything in meters
   if (z > 350. || r > 190 || z + 2.5 * r > 670.)
     return false;
   return true;
 }