#include <ScalingFFAMagnet.h>

Inheritance diagram for ScalingFFAMagnet:

Collaboration diagram for ScalingFFAMagnet:

Public Member Functions
	ScalingFFAMagnet (const std::string &name)

	~ScalingFFAMagnet ()

ScalingFFAMagnet *	clone () const override

bool	apply (const size_t &i, const double &t, Vector_t &E, Vector_t &B) override

bool	apply (const Vector_t &R, const Vector_t &P, const double &t, Vector_t &E, Vector_t &B) override

bool	getFieldValue (const Vector_t &R, Vector_t &B) const

bool	getFieldValueCylindrical (const Vector_t &R, Vector_t &B) const

void	initialise (PartBunchBase< double, 3 > *bunch, double &startField, double &endField) override

void	initialise ()

void	finalise () override

bool	bends () const override

void	getDimensions (double &, double &) const override

BGeometryBase &	getGeometry () override

const BGeometryBase &	getGeometry () const override

EMField &	getField () override

const EMField &	getField () const override

void	accept (BeamlineVisitor &visitor) const override

double	getTanDelta () const

void	setTanDelta (double tanDelta)

double	getFieldIndex () const

void	setFieldIndex (double k)

double	getDipoleConstant () const

void	setDipoleConstant (double Bz)

double	getR0 () const

void	setR0 (double r0)

Vector_t	getCentre () const

void	setCentre (Vector_t centre)

endfieldmodel::EndFieldModel *	getEndField () const

void	setEndField (endfieldmodel::EndFieldModel *endField)

size_t	getMaxOrder () const

void	setMaxOrder (size_t maxOrder)

double	getPhiStart () const

void	setPhiStart (double phiStart)

double	getPhiEnd () const

void	setPhiEnd (double phiEnd)

double	getRMin () const

void	setRMin (double rMin)

double	getRMax () const

void	setRMax (double rMax)

double	getAzimuthalExtent () const

void	setAzimuthalExtent (double azimuthalExtent)

double	getVerticalExtent () const

void	setVerticalExtent (double verticalExtent)

std::vector< std::vector < double > >	getDfCoefficients ()

void	setupEndField ()

void	setEndFieldName (std::string name)

std::string	getEndFieldName () const

Public Member Functions inherited from Component
	Component (const std::string &name)
	Constructor with given name. More...

	Component ()

	Component (const Component &right)

virtual	~Component ()

EVector	Efield (const Point3D &P) const
	Return the field in a point. More...

BVector	Bfield (const Point3D &P) const
	Return the field in a point. More...

EVector	Efield (const Point3D &P, double t) const
	Return the field in a point. More...

BVector	Bfield (const Point3D &P, double t) const
	Return the field in a point. More...

EBVectors	EBfield (const Point3D &P) const
	Return the field in a point. More...

EBVectors	EBfield (const Point3D &P, double t) const
	Return the field in a point. More...

virtual bool	applyToReferenceParticle (const Vector_t &R, const Vector_t &P, const double &t, Vector_t &E, Vector_t &B)

virtual bool	getPotential (const Vector_t &, const double &, Vector_t &, double &)

virtual double	getDesignEnergy () const

virtual void	setDesignEnergy (const double &energy, bool changeable=true)

virtual void	goOnline (const double &kineticEnergy)

virtual void	goOffline ()

virtual bool	Online ()

virtual ElementType	getType () const override
	Get element type std::string. More...

virtual const ElementBase &	getDesign () const
	Return design element. More...

virtual void	trackBunch (PartBunchBase< double, 3 > *bunch, const PartData &, bool revBeam, bool revTrack) const
	Track particle bunch. More...

virtual void	trackMap (FVps< double, 6 > &map, const PartData &, bool revBeam, bool revTrack) const
	Track a map. More...

void	setExitFaceSlope (const double &)

Public Member Functions inherited from ElementBase
	ElementBase (const std::string &name)
	Constructor with given name. More...

	ElementBase ()

	ElementBase (const ElementBase &)

virtual	~ElementBase ()

virtual const std::string &	getName () const
	Get element name. More...

virtual void	setName (const std::string &name)
	Set element name. More...

std::string	getTypeString () const

virtual double	getArcLength () const
	Get arc length. More...

virtual double	getElementLength () const
	Get design length. More...

virtual void	setElementLength (double length)
	Set design length. More...

virtual void	getElementDimensions (double &begin, double &end) const

virtual double	getOrigin () const
	Get origin position. More...

virtual double	getEntrance () const
	Get entrance position. More...

virtual double	getExit () const
	Get exit position. More...

virtual Euclid3D	getTransform (double fromS, double toS) const
	Get transform. More...

virtual Euclid3D	getTransform (double s) const
	Get transform. More...

virtual Euclid3D	getTotalTransform () const
	Get transform. More...

virtual Euclid3D	getEntranceFrame () const
	Get transform. More...

virtual Euclid3D	getExitFrame () const
	Get transform. More...

virtual Euclid3D	getEntrancePatch () const
	Get patch. More...

virtual Euclid3D	getExitPatch () const
	Get patch. More...

virtual double	getAttribute (const std::string &aKey) const
	Get attribute value. More...

virtual bool	hasAttribute (const std::string &aKey) const
	Test for existence of an attribute. More...

virtual void	removeAttribute (const std::string &aKey)
	Remove an existing attribute. More...

virtual void	setAttribute (const std::string &aKey, double val)
	Set value of an attribute. More...

virtual Channel *	getChannel (const std::string &aKey, bool create=false)
	Construct a read/write channel. More...

virtual const ConstChannel *	getConstChannel (const std::string &aKey) const
	Construct a read-only channel. More...

virtual ElementBase *	copyStructure ()
	Make a structural copy. More...

bool	isSharable () const
	Test if the element can be shared. More...

virtual void	makeSharable ()
	Set sharable flag. More...

bool	update (const AttributeSet &)
	Update element. More...

virtual void	setBoundaryGeometry (BoundaryGeometry *geo)

virtual BoundaryGeometry *	getBoundaryGeometry () const
	return the attached boundary geometrt object if there is any More...

virtual bool	hasBoundaryGeometry () const

virtual void	setWake (WakeFunction *wf)
	attach a wake field to the element More...

virtual WakeFunction *	getWake () const
	return the attached wake object if there is any More...

virtual bool	hasWake () const

virtual void	setParticleMatterInteraction (ParticleMatterInteractionHandler *spys)

virtual ParticleMatterInteractionHandler *	getParticleMatterInteraction () const

virtual bool	hasParticleMatterInteraction () const

void	setCSTrafoGlobal2Local (const CoordinateSystemTrafo &ori)

CoordinateSystemTrafo	getCSTrafoGlobal2Local () const

void	releasePosition ()

void	fixPosition ()

bool	isPositioned () const

virtual CoordinateSystemTrafo	getEdgeToBegin () const

virtual CoordinateSystemTrafo	getEdgeToEnd () const

void	setAperture (const ApertureType &type, const std::vector< double > &args)

std::pair< ApertureType, std::vector< double > >	getAperture () const

virtual bool	isInside (const Vector_t &r) const

void	setMisalignment (const CoordinateSystemTrafo &cst)

void	getMisalignment (double &x, double &y, double &s) const

CoordinateSystemTrafo	getMisalignment () const

void	setActionRange (const std::queue< std::pair< double, double > > &range)

void	setCurrentSCoordinate (double s)

void	setRotationAboutZ (double rotation)
	Set rotation about z axis in bend frame. More...

double	getRotationAboutZ () const

virtual BoundingBox	getBoundingBoxInLabCoords () const

virtual int	getRequiredNumberOfTimeSteps () const

void	setOutputFN (std::string fn)
	Set output filename. More...

std::string	getOutputFN () const
	Get output filename. More...

void	setFlagDeleteOnTransverseExit (bool=true)

bool	getFlagDeleteOnTransverseExit () const

void	setElementPosition (double elemedge)
	Access to ELEMEDGE attribute. More...

double	getElementPosition () const

bool	isElementPositionSet () const

Public Member Functions inherited from RCObject
int	addReference () const
	Increment reference count. More...

int	removeReference () const
	Decrement the reference count. More...

bool	isShared () const
	Test for sharing. More...

Private Member Functions
void	calculateDfCoefficients ()

	ScalingFFAMagnet (const ScalingFFAMagnet &right)

ScalingFFAMagnet &	operator= (const ScalingFFAMagnet &rhs)

Private Attributes
PlanarArcGeometry	planarArcGeometry_m

BMultipoleField	dummy

size_t	maxOrder_m = 0

double	tanDelta_m = 0.

double	k_m = 0.

double	Bz_m = 0.

double	r0_m = 0.

double	rMin_m = 0.

double	rMax_m = 0.

double	phiStart_m = 0.

double	phiEnd_m = 0.

double	azimuthalExtent_m = 0.

double	verticalExtent_m = 0.

double	r0Sign_m = 0.0

Vector_t	centre_m

endfieldmodel::EndFieldModel *	endField_m = nullptr

std::string	endFieldName_m = ""

const double	fp_tolerance = 1e-18

std::vector< std::vector < double > >	dfCoefficients_m

Additional Inherited Members
Static Public Member Functions inherited from ElementBase
static std::string	getTypeString (ElementType type)

Protected Member Functions inherited from ElementBase
bool	isInsideTransverse (const Vector_t &r) const

Protected Member Functions inherited from RCObject
	RCObject ()
	Default constructor. More...

	RCObject (const RCObject &)
	Copy constructor. More...

virtual	~RCObject ()=0

RCObject &	operator= (const RCObject &right)

Protected Attributes inherited from Component
double	exit_face_slope_m

PartBunchBase< double, 3 > *	RefPartBunch_m

bool	online_m

Protected Attributes inherited from ElementBase
bool	shareFlag

CoordinateSystemTrafo	csTrafoGlobal2Local_m

CoordinateSystemTrafo	misalignment_m

std::pair< ApertureType, std::vector< double > >	aperture_m

double	elementEdge_m

double	rotationZAxis_m

Static Protected Attributes inherited from Component
static const std::vector< double >	defaultAperture_m

Detailed Description

Sector bending magnet with an FFA-style field index and spiral end shape

Note about placement and end field; in order to get a user-defined end field shape, we do a lookup from user defined end fields, which is pulled from the EndFieldModel object and done by setupEndField(). Because end fields tie into the geometry, this has to be done before placements; but it also needs to be done after parsing has finished. setupEndField() is called by e.g. ParallelCyclotronTracker just before the object is handed to OpalRing for placement.

Definition at line 41 of file ScalingFFAMagnet.h.

Constructor & Destructor Documentation

ScalingFFAMagnet::ScalingFFAMagnet ( const std::string & name )

explicit

Construct a new ScalingFFAMagnet

Parameters

name	User-defined name of the ScalingFFAMagnet

Definition at line 23 of file ScalingFFAMagnet.cpp.

Referenced by clone().

ScalingFFAMagnet::~ScalingFFAMagnet ( )

Destructor - deletes map

Definition at line 48 of file ScalingFFAMagnet.cpp.

References endField_m.

ScalingFFAMagnet::ScalingFFAMagnet ( const ScalingFFAMagnet & right )

private

Copy constructor

Definition at line 30 of file ScalingFFAMagnet.cpp.

References Bz_m, endfieldmodel::EndFieldModel::clone(), endField_m, r0_m, r0Sign_m, and Component::RefPartBunch_m.

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Member Function Documentation

void ScalingFFAMagnet::accept ( BeamlineVisitor & visitor ) const

overridevirtual

Accept a beamline visitor

Implements ElementBase.

Definition at line 91 of file ScalingFFAMagnet.cpp.

References BeamlineVisitor::visitScalingFFAMagnet().

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bool ScalingFFAMagnet::apply	(	const size_t &	i,
		const double &	t,
		Vector_t &	E,
		Vector_t &	B
	)

inlineoverridevirtual

Calculate the field at the position of the ith particle

Parameters

i	index of the particle event override; field is calculated at this position
t	time at which the field is to be calculated
E	calculated electric field - always 0 (no E-field)
B	calculated magnetic field

Returns: true if particle is outside the field map

Reimplemented from Component.

Definition at line 300 of file ScalingFFAMagnet.h.

References PartBunchBase< T, Dim >::P, PartBunchBase< T, Dim >::R, and Component::RefPartBunch_m.

bool ScalingFFAMagnet::apply	(	const Vector_t &	R,
		const Vector_t &	P,
		const double &	t,
		Vector_t &	E,
		Vector_t &	B
	)

inlineoverridevirtual

Calculate the field at some arbitrary position

Parameters

R	position in the local coordinate system of the bend
P	not used
t	not used
E	not used
B	calculated magnetic field

Returns: true if particle is outside the field map, else false

Reimplemented from Component.

Definition at line 295 of file ScalingFFAMagnet.h.

References getFieldValue().

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bool ScalingFFAMagnet::bends ( ) const

inlineoverridevirtual

Return true - ScalingFFAMagnet always bends the reference particle

Implements Component.

Definition at line 79 of file ScalingFFAMagnet.cpp.

void ScalingFFAMagnet::calculateDfCoefficients ( )

private

Calculate the df coefficients, ready for field generation

Must be called following any update to the the field parameters, in order for correct field to be calculated.

Definition at line 160 of file ScalingFFAMagnet.cpp.

References dfCoefficients_m, k_m, maxOrder_m, Hypervolume::n, and tanDelta_m.

Referenced by initialise().

ScalingFFAMagnet * ScalingFFAMagnet::clone ( ) const

overridevirtual

Inheritable copy constructor

Implements ElementBase.

Definition at line 52 of file ScalingFFAMagnet.cpp.

References initialise(), magnet, and ScalingFFAMagnet().

Referenced by ParallelCyclotronTracker::visitScalingFFAMagnet().

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void ScalingFFAMagnet::finalise ( )

overridevirtual

Finalise the ScalingFFAMagnet - sets bunch to nullptr

Implements Component.

Definition at line 75 of file ScalingFFAMagnet.cpp.

References Component::RefPartBunch_m.

double ScalingFFAMagnet::getAzimuthalExtent ( ) const

inline

Get the maximum azimuthal displacement from =0

Definition at line 223 of file ScalingFFAMagnet.h.

References azimuthalExtent_m.

Vector_t ScalingFFAMagnet::getCentre ( ) const

inline

Get the centre of the sector

Definition at line 162 of file ScalingFFAMagnet.h.

References centre_m.

std::vector<std::vector<double> > ScalingFFAMagnet::getDfCoefficients ( )

inline

Return the calculated df coefficients

Definition at line 238 of file ScalingFFAMagnet.h.

References dfCoefficients_m.

void ScalingFFAMagnet::getDimensions	(	double &	,
		double &
	)		const

inlineoverridevirtual

Not implemented

Implements Component.

Definition at line 120 of file ScalingFFAMagnet.h.

double ScalingFFAMagnet::getDipoleConstant ( ) const

inline

Get the dipole constant B_0

Definition at line 150 of file ScalingFFAMagnet.h.

References Bz_m.

endfieldmodel::EndFieldModel* ScalingFFAMagnet::getEndField ( ) const

inline

Get the fringe field

Returns the fringe field model; ScalingFFAMagnet retains ownership of the returned memory.

Definition at line 172 of file ScalingFFAMagnet.h.

References endField_m.

Referenced by OpalScalingFFAMagnet::update().

std::string ScalingFFAMagnet::getEndFieldName ( ) const

inline

Return the end field name.

Definition at line 258 of file ScalingFFAMagnet.h.

References endFieldName_m.

EMField & ScalingFFAMagnet::getField ( )

overridevirtual

Return a dummy (0.) field value (what is this for?)

Implements Component.

Definition at line 58 of file ScalingFFAMagnet.cpp.

References dummy.

const EMField & ScalingFFAMagnet::getField ( ) const

overridevirtual

Return a dummy (0.) field value (what is this for?)

Implements Component.

Definition at line 62 of file ScalingFFAMagnet.cpp.

References dummy.

double ScalingFFAMagnet::getFieldIndex ( ) const

inline

Get the field index k

Definition at line 144 of file ScalingFFAMagnet.h.

References k_m.

bool ScalingFFAMagnet::getFieldValue	(	const Vector_t &	R,
		Vector_t &	B
	)		const

Calculate the field at some arbitrary position in cartesian coordinates

Parameters

R	position in the local coordinate system of the bend, in cartesian coordinates defined like (x, y, z)
B	calculated magnetic field defined like (Bx, By, Bz)

Returns: true if particle is outside the field map, else false

Definition at line 95 of file ScalingFFAMagnet.cpp.

References atan2(), cos(), getFieldValueCylindrical(), r0_m, r0Sign_m, sin(), and sqrt().

Referenced by apply().

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bool ScalingFFAMagnet::getFieldValueCylindrical	(	const Vector_t &	R,
		Vector_t &	B
	)		const

Calculate the field at some arbitrary position in cylindrical coordinates

Parameters

R	position in the local coordinate system of the bend, in cylindrical polar coordinates defined like (r, z, phi)
B	calculated magnetic field defined like (Br, By, Bphi)

Returns: true if particle is outside the field map, else false

Definition at line 111 of file ScalingFFAMagnet.cpp.

References abs(), azimuthalExtent_m, Bz_m, dfCoefficients_m, endField_m, endfieldmodel::EndFieldModel::function(), k_m, log(), maxOrder_m, Hypervolume::n, phiStart_m, pow(), r0_m, r0Sign_m, rMax_m, tanDelta_m, and verticalExtent_m.

Referenced by getFieldValue().

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BGeometryBase & ScalingFFAMagnet::getGeometry ( )

overridevirtual

Return the cell geometry

Implements ElementBase.

Definition at line 83 of file ScalingFFAMagnet.cpp.

References planarArcGeometry_m.

const BGeometryBase & ScalingFFAMagnet::getGeometry ( ) const

overridevirtual

Return the cell geometry

Implements ElementBase.

Definition at line 87 of file ScalingFFAMagnet.cpp.

References planarArcGeometry_m.

size_t ScalingFFAMagnet::getMaxOrder ( ) const

inline

Get the maximum power of y modelled in the off-midplane expansion;

Definition at line 183 of file ScalingFFAMagnet.h.

References maxOrder_m.

double ScalingFFAMagnet::getPhiEnd ( ) const

inline

Get the offset of the magnet end from the start

Definition at line 199 of file ScalingFFAMagnet.h.

References phiEnd_m.

double ScalingFFAMagnet::getPhiStart ( ) const

inline

Get the offset of the magnet centre from the start

Definition at line 191 of file ScalingFFAMagnet.h.

References phiStart_m.

Referenced by setupEndField().

double ScalingFFAMagnet::getR0 ( ) const

inline

Get the radius constant R_0

Definition at line 156 of file ScalingFFAMagnet.h.

References r0_m.

double ScalingFFAMagnet::getRMax ( ) const

inline

Get the maximum radius

Definition at line 215 of file ScalingFFAMagnet.h.

References rMax_m.

double ScalingFFAMagnet::getRMin ( ) const

inline

Get the maximum radius

Definition at line 207 of file ScalingFFAMagnet.h.

References rMin_m.

double ScalingFFAMagnet::getTanDelta ( ) const

inline

Get tan delta - delta is the spiral angle

Definition at line 138 of file ScalingFFAMagnet.h.

References tanDelta_m.

double ScalingFFAMagnet::getVerticalExtent ( ) const

inline

Get the maximum vertical displacement from the midplane

Definition at line 231 of file ScalingFFAMagnet.h.

References verticalExtent_m.

void ScalingFFAMagnet::initialise	(	PartBunchBase< double, 3 > *	bunch,
		double &	startField,
		double &	endField
	)

overridevirtual

Initialise the ScalingFFAMagnet

Parameters

bunch	the global bunch object
startField	not used
endField	not used

Implements Component.

Definition at line 70 of file ScalingFFAMagnet.cpp.

References initialise(), and Component::RefPartBunch_m.

Referenced by clone(), and OpalScalingFFAMagnet::update().

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void ScalingFFAMagnet::initialise ( )

Initialise the ScalingFFAMagnet

Sets up the field expansion and the geometry; call after changing any field parameters

Definition at line 66 of file ScalingFFAMagnet.cpp.

References calculateDfCoefficients().

Referenced by initialise().

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ScalingFFAMagnet& ScalingFFAMagnet::operator= ( const ScalingFFAMagnet & rhs )

private

void ScalingFFAMagnet::setAzimuthalExtent ( double azimuthalExtent )

inline

Set the maximum azimuthal displacement from =0

Definition at line 227 of file ScalingFFAMagnet.h.

References azimuthalExtent_m.

Referenced by setupEndField(), and OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setCentre ( Vector_t centre )

inline

Set the centre of the sector

Definition at line 165 of file ScalingFFAMagnet.h.

References centre_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setDipoleConstant ( double Bz )

inline

Set the dipole constant B_0

Definition at line 153 of file ScalingFFAMagnet.h.

References Bz_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setEndField ( endfieldmodel::EndFieldModel * endField )

Set the fringe field

endField: the new fringe field; ScalingFFAMagnet takes ownership of the memory associated with endField.

Definition at line 183 of file ScalingFFAMagnet.cpp.

References endField_m.

Referenced by OpalScalingFFAMagnet::OpalScalingFFAMagnet(), and setupEndField().

void ScalingFFAMagnet::setEndFieldName ( std::string name )

inline

Set the end field name.

Called during parsing of the input file; OPAL looks for the endFieldName when setupEndField() is called.

Definition at line 255 of file ScalingFFAMagnet.h.

References endFieldName_m, and name.

Referenced by OpalScalingFFAMagnet::setupDefaultEndField(), and OpalScalingFFAMagnet::setupNamedEndField().

void ScalingFFAMagnet::setFieldIndex ( double k )

inline

Set the field index k

Definition at line 147 of file ScalingFFAMagnet.h.

References k_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setMaxOrder ( size_t maxOrder )

inline

Set the maximum power of y modelled in the off-midplane expansion;

Definition at line 187 of file ScalingFFAMagnet.h.

References maxOrder_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setPhiEnd ( double phiEnd )

inline

Set the offset of the magnet end from the start

Definition at line 203 of file ScalingFFAMagnet.h.

References phiEnd_m.

Referenced by setupEndField(), and OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setPhiStart ( double phiStart )

inline

Set the offset of the magnet centre from the start

Definition at line 195 of file ScalingFFAMagnet.h.

References phiStart_m.

Referenced by setupEndField(), and OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setR0 ( double r0 )

inline

Set the radius constant R_0

Definition at line 159 of file ScalingFFAMagnet.h.

References abs(), r0_m, and r0Sign_m.

Referenced by OpalScalingFFAMagnet::update().

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void ScalingFFAMagnet::setRMax ( double rMax )

inline

Set the maximum radius

Definition at line 219 of file ScalingFFAMagnet.h.

References rMax_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setRMin ( double rMin )

inline

Set the maximum radius

Definition at line 211 of file ScalingFFAMagnet.h.

References rMin_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setTanDelta ( double tanDelta )

inline

Set tan delta - delta is the spiral angle

Definition at line 141 of file ScalingFFAMagnet.h.

References tanDelta_m.

Referenced by OpalScalingFFAMagnet::update().

void ScalingFFAMagnet::setupEndField ( )

setupEndField does some end field and geometry set-up

This is normally called just before the magnet is placed; can only set up the end field after everything has been parsed from input (otherwise OPAL may not know about an end field model).

sets PhiStart, PhiEnd, AzimuthalExtent and the end field model itself.

Definition at line 191 of file ScalingFFAMagnet.cpp.

References abs(), azimuthalExtent_m, endfieldmodel::EndFieldModel::clone(), endFieldName_m, endfieldmodel::EndFieldModel::getCentreLength(), endfieldmodel::EndFieldModel::getEndFieldModel(), endfieldmodel::EndFieldModel::getEndLength(), getPhiStart(), maxOrder_m, phiEnd_m, phiStart_m, planarArcGeometry_m, r0_m, endfieldmodel::EndFieldModel::rescale(), setAzimuthalExtent(), PlanarArcGeometry::setCurvature(), PlanarArcGeometry::setElementLength(), setEndField(), endfieldmodel::EndFieldModel::setMaximumDerivative(), setPhiEnd(), and setPhiStart().