#include <RKLocalFieldProvider.h>

Public Types
typedef GloballyPositioned< float >	Frame
typedef Frame::GlobalPoint	GlobalPoint
typedef Frame::GlobalVector	GlobalVector
typedef Frame::LocalPoint	LocalPoint
typedef Frame::LocalVector	LocalVector
typedef Frame::PositionType	Position
typedef Frame::RotationType	Rotation
typedef GlobalVector::BasicVectorType	Vector
Public Member Functions
const Frame &	frame () const
	The reference frame in which the field is defined.
Vector	inTesla (double x, double y, double z) const
Vector	inTesla (const Vector &v) const
Vector	inTesla (const LocalPoint &lp) const
	the argument lp is in the local frame specified in the constructor
	RKLocalFieldProvider (const MagVolume &vol, const Frame &frame)
	Local field access to the MagVolume field, transformed to the "frame" frame.
	RKLocalFieldProvider (const MagVolume &vol)
	Global field access, result in global frame.
Static Private Member Functions
static Frame &	globalFrame ()
Private Attributes
const Frame &	theFrame
const MagVolume *	theVolume
bool	transform_

Detailed Description

Definition at line 9 of file RKLocalFieldProvider.h.

Member Typedef Documentation

typedef GloballyPositioned<float> RKLocalFieldProvider::Frame

Definition at line 12 of file RKLocalFieldProvider.h.

typedef Frame::GlobalPoint RKLocalFieldProvider::GlobalPoint

Definition at line 14 of file RKLocalFieldProvider.h.

typedef Frame::GlobalVector RKLocalFieldProvider::GlobalVector

Definition at line 13 of file RKLocalFieldProvider.h.

typedef Frame::LocalPoint RKLocalFieldProvider::LocalPoint

Definition at line 16 of file RKLocalFieldProvider.h.

typedef Frame::LocalVector RKLocalFieldProvider::LocalVector

Definition at line 15 of file RKLocalFieldProvider.h.

typedef Frame::PositionType RKLocalFieldProvider::Position

Definition at line 17 of file RKLocalFieldProvider.h.

typedef Frame::RotationType RKLocalFieldProvider::Rotation

Definition at line 18 of file RKLocalFieldProvider.h.

typedef GlobalVector::BasicVectorType RKLocalFieldProvider::Vector

Definition at line 19 of file RKLocalFieldProvider.h.

Constructor & Destructor Documentation

RKLocalFieldProvider::RKLocalFieldProvider ( const MagVolume & vol )

Global field access, result in global frame.

Global field access, result transformed to frame Local field access to the MagVolume field, in the MagVolume frame

Definition at line 5 of file RKLocalFieldProvider.cc.

                                                                :
  theVolume( &vol), theFrame(vol), transform_(false) {}

RKLocalFieldProvider::RKLocalFieldProvider	(	const MagVolume &	vol,
		const Frame &	frame
	)

Local field access to the MagVolume field, transformed to the "frame" frame.

Definition at line 8 of file RKLocalFieldProvider.cc.

                                                                                    :
  theVolume( &vol), theFrame(frame), transform_(true) {}

Member Function Documentation

const Frame& RKLocalFieldProvider::frame ( ) const [inline]

The reference frame in which the field is defined.

Definition at line 45 of file RKLocalFieldProvider.h.

Referenced by RKPropagatorInS::propagateParametersOnPlane().

{return theFrame;}

static Frame& RKLocalFieldProvider::globalFrame ( ) [inline, static, private]

Definition at line 53 of file RKLocalFieldProvider.h.

References gf.

                                {
      static Frame gf( Position(0,0,0), Rotation());
      return gf;
    }

Vector RKLocalFieldProvider::inTesla	(	double	x,
		double	y,
		double	z
	)		const `[inline]`

Definition at line 36 of file RKLocalFieldProvider.h.

                                                        {
        return inTesla( LocalPoint(x,y,z));
    }

Vector RKLocalFieldProvider::inTesla ( const Vector & v ) const [inline]

Definition at line 40 of file RKLocalFieldProvider.h.

                                           {
        return inTesla( LocalPoint(v));
    }

RKLocalFieldProvider::Vector RKLocalFieldProvider::inTesla ( const LocalPoint & lp ) const

the argument lp is in the local frame specified in the constructor

Definition at line 19 of file RKLocalFieldProvider.cc.

References PV3DBase< T, PVType, FrameType >::basicVector(), MagVolume::fieldInTesla(), theFrame, theVolume, GloballyPositioned< T >::toGlobal(), GloballyPositioned< T >::toLocal(), and transform_.

Referenced by PathToPlane2Order::operator()(), CartesianLorentzForce::operator()(), and RKPropagatorInS::propagateParametersOnPlane().

{
  if (theVolume != 0) {
    if (transform_) {
      LocalPoint vlp( theVolume->toLocal( theFrame.toGlobal( lp)));
      return theFrame.toLocal( theVolume->toGlobal( theVolume->fieldInTesla( vlp))).basicVector();
    }
    else {
      return theVolume->fieldInTesla( lp).basicVector();
    }
  }
  else {
    /*
    if (transform_) {
      GlobalVector gv( MagneticField::inTesla(theFrame.toGlobal(lp)));
      return theFrame.toLocal(gv).basicVector();
    }
    else {
      // the "local" frame is actually global
      return MagneticField::inTesla( GlobalPoint( lp.basicVector())).basicVector();
    }
    */

    return RKLocalFieldProvider::Vector(0,0,0);
  }
}