LHCInterpolatedOpticalFunctionsSet Class Reference

Set of optical functions corresponding to one scoring plane along LHC, including splines for interpolation performance. More...

#include <LHCInterpolatedOpticalFunctionsSet.h>

Inheritance diagram for LHCInterpolatedOpticalFunctionsSet:

Classes
struct	Kinematics
	proton kinematics description More...

Public Member Functions
void	initializeSplines ()
	builds splines from m_*_values fields More...
	LHCInterpolatedOpticalFunctionsSet ()=default
	LHCInterpolatedOpticalFunctionsSet (const LHCOpticalFunctionsSet &src)
const std::vector< std::shared_ptr< const TSpline3 > > &	splines () const
void	transport (const Kinematics &input, Kinematics &output, bool calculateAngles=false) const
	transports proton according to the splines More...
	~LHCInterpolatedOpticalFunctionsSet ()=default
Public Member Functions inherited from LHCOpticalFunctionsSet
const std::vector< std::vector< double > > &	getFcnValues () const
double	getScoringPlaneZ () const
	returns the position of the scoring plane (LHC/TOTEM convention) More...
const std::vector< double > &	getXiValues () const
	LHCOpticalFunctionsSet ()=default
	LHCOpticalFunctionsSet (const std::string &fileName, const std::string &directoryName, double z)
	fills m_*_values fields from a ROOT file More...
	~LHCOpticalFunctionsSet ()=default

Protected Attributes
friend	CTPPSInterpolatedOpticalFunctionsESSource
std::vector< std::shared_ptr< const TSpline3 > >	m_splines
Protected Attributes inherited from LHCOpticalFunctionsSet
std::vector< std::vector< double > >	m_fcn_values
	length unit cm More...
std::vector< double >	m_xi_values
double	m_z
	position of the scoring plane, in LHC/TOTEM convention, cm More...

Additional Inherited Members
Public Types inherited from LHCOpticalFunctionsSet
enum	{   evx, eLx, e14, exd,   evpx, eLpx, e24, expd,   e32, evy, eLy, eyd,   e42, evpy, eLpy, eypd,   nFunctions }
	indices for m_fcn_values and m_splines data members More...

Detailed Description

Set of optical functions corresponding to one scoring plane along LHC, including splines for interpolation performance.

Definition at line 13 of file LHCInterpolatedOpticalFunctionsSet.h.

Constructor & Destructor Documentation

LHCInterpolatedOpticalFunctionsSet::LHCInterpolatedOpticalFunctionsSet ( )

default

LHCInterpolatedOpticalFunctionsSet::LHCInterpolatedOpticalFunctionsSet ( const LHCOpticalFunctionsSet &  src )

inline

Definition at line 18 of file LHCInterpolatedOpticalFunctionsSet.h.

References ~LHCInterpolatedOpticalFunctionsSet().

: LHCOpticalFunctionsSet(src) {}

LHCInterpolatedOpticalFunctionsSet::~LHCInterpolatedOpticalFunctionsSet ( )

default

Referenced by LHCInterpolatedOpticalFunctionsSet().

Member Function Documentation

void LHCInterpolatedOpticalFunctionsSet::initializeSplines

(

)

builds splines from m_*_values fields

Definition at line 7 of file LHCInterpolatedOpticalFunctionsSet.cc.

References mps_fire::i, LHCOpticalFunctionsSet::m_fcn_values, m_splines, and LHCOpticalFunctionsSet::m_xi_values.

Referenced by CTPPSInterpolatedOpticalFunctionsESSource::produce(), and splines().

{
  const unsigned int num_xi_vals = m_xi_values.size();

  m_splines.resize(m_fcn_values.size());
  for (unsigned int i = 0; i < m_fcn_values.size(); ++i)
    m_splines[i] = std::make_shared<TSpline3>("", m_xi_values.data(), m_fcn_values[i].data(), num_xi_vals);
}

const std::vector<std::shared_ptr<const TSpline3> >& LHCInterpolatedOpticalFunctionsSet::splines ( ) const

inline

Definition at line 22 of file LHCInterpolatedOpticalFunctionsSet.h.

References initializeSplines(), and m_splines.

Referenced by ProtonReconstructionAlgorithm::init().

{ return m_splines; }

void LHCInterpolatedOpticalFunctionsSet::transport	(	const Kinematics &	input,
		LHCInterpolatedOpticalFunctionsSet::Kinematics &	output,
		bool	calculateAngles = false
	)		const

transports proton according to the splines

Definition at line 18 of file LHCInterpolatedOpticalFunctionsSet.cc.

References LHCOpticalFunctionsSet::e14, LHCOpticalFunctionsSet::e24, LHCOpticalFunctionsSet::e32, LHCOpticalFunctionsSet::e42, LHCOpticalFunctionsSet::eLpx, LHCOpticalFunctionsSet::eLpy, LHCOpticalFunctionsSet::eLx, LHCOpticalFunctionsSet::eLy, LHCOpticalFunctionsSet::evpx, LHCOpticalFunctionsSet::evpy, LHCOpticalFunctionsSet::evx, LHCOpticalFunctionsSet::evy, LHCOpticalFunctionsSet::exd, LHCOpticalFunctionsSet::expd, LHCOpticalFunctionsSet::eyd, LHCOpticalFunctionsSet::eypd, m_splines, LHCInterpolatedOpticalFunctionsSet::Kinematics::th_x, LHCInterpolatedOpticalFunctionsSet::Kinematics::th_y, LHCInterpolatedOpticalFunctionsSet::Kinematics::x, hybridSuperClusters_cfi::xi, LHCInterpolatedOpticalFunctionsSet::Kinematics::xi, and LHCInterpolatedOpticalFunctionsSet::Kinematics::y.

Referenced by ProtonReconstructionAlgorithm::init().

{
  const double xi = input.xi;

  output.x = m_splines[exd]->Eval(xi) + m_splines[evx]->Eval(xi) * input.x
    + m_splines[eLx]->Eval(xi) * input.th_x + m_splines[e14]->Eval(xi) * input.th_y;

  output.th_x = (!calculateAngles) ? 0. : m_splines[expd]->Eval(xi) + m_splines[evpx]->Eval(xi) * input.x
    + m_splines[eLpx]->Eval(xi) * input.th_x + m_splines[e24]->Eval(xi) * input.th_y;

  output.y = m_splines[eyd]->Eval(xi) + m_splines[evy]->Eval(xi) * input.y
    + m_splines[eLy]->Eval(xi) * input.th_y + m_splines[e32]->Eval(xi) * input.th_x;

  output.th_y = (!calculateAngles) ? 0. : m_splines[eypd]->Eval(xi) + m_splines[evpy]->Eval(xi) * input.y
    + m_splines[eLpy]->Eval(xi) * input.th_y + m_splines[e42]->Eval(xi) * input.th_x;

  output.xi = input.xi;
}

Member Data Documentation

friend LHCInterpolatedOpticalFunctionsSet::CTPPSInterpolatedOpticalFunctionsESSource

protected

Definition at line 41 of file LHCInterpolatedOpticalFunctionsSet.h.

std::vector<std::shared_ptr<const TSpline3> > LHCInterpolatedOpticalFunctionsSet::m_splines

protected

Definition at line 43 of file LHCInterpolatedOpticalFunctionsSet.h.

Referenced by initializeSplines(), splines(), and transport().