InDetDD::SCT_ForwardFrameTransformation Class Reference

Class that connect cartesian and pokar coordinates. More...

#include <SCT_ForwardFrameTransformation.h>

Collaboration diagram for InDetDD::SCT_ForwardFrameTransformation:

Public Member Functions
	SCT_ForwardFrameTransformation (const SCT_ForwardFrameTransformation &frame)
	Copy constructor:
	SCT_ForwardFrameTransformation (const double etaCenter, const double phiCenter, const double radius)
	Constructor with parameters: eta coordinate of module center phi coordinate of module center r from module center to beam.
virtual	~SCT_ForwardFrameTransformation ()=default
	Destructor:
SCT_ForwardFrameTransformation &	operator= (const SCT_ForwardFrameTransformation &frame)
	Assignment operator:
SCT_ForwardFrameTransformation &	operator= (SCT_ForwardFrameTransformation &&)=default
	Default move assignment operator:
double	etaCenter () const
	eta coordinate of module center:
double	phiCenter () const
	phi coordinate of modulecenter:
double	radius () const
	r from module center to beam:
SCT_ForwardPolarPosition	polarFromCartesian (const SiLocalPosition &cartesian) const
	create a SCT_ForwardPolarPosition from a SiLocalPosition
SiLocalPosition	cartesianFromPolar (const SCT_ForwardPolarPosition &polar) const
	create a SiLocalPosition from a SCT_ForwardPolarPosition

Private Member Functions
	SCT_ForwardFrameTransformation ()

Private Attributes
double	m_etaCenter
	eta coordinate of module center
double	m_phiCenter
	phi coordinate of module center
double	m_radius
	r from module center to beam

Detailed Description

Class that connect cartesian and pokar coordinates.

Author

: Grant Gorfine

• modified & maintained : Andreas Salzburger

Definition at line 27 of file SCT_ForwardFrameTransformation.h.

Constructor & Destructor Documentation

SCT_ForwardFrameTransformation() [1/3]

InDetDD::SCT_ForwardFrameTransformation::SCT_ForwardFrameTransformation ( const SCT_ForwardFrameTransformation & frame )

default

Copy constructor:

SCT_ForwardFrameTransformation() [2/3]

InDetDD::SCT_ForwardFrameTransformation::SCT_ForwardFrameTransformation	(	const double	etaCenter,
		const double	phiCenter,
		const double	radius )

Constructor with parameters: eta coordinate of module center phi coordinate of module center r from module center to beam.

Definition at line 31 of file SCT_ForwardFrameTransformation.cxx.

                                                                                                                                :
  m_etaCenter(etaCenter),
  m_phiCenter(phiCenter),
  m_radius(radius)
{ 
  //check if parameters are consistent
  if (m_radius<0) m_radius=0;
}

~SCT_ForwardFrameTransformation()

virtual InDetDD::SCT_ForwardFrameTransformation::~SCT_ForwardFrameTransformation ( )

virtualdefault

Destructor:

SCT_ForwardFrameTransformation() [3/3]

InDetDD::SCT_ForwardFrameTransformation::SCT_ForwardFrameTransformation ( )

private

Member Function Documentation

cartesianFromPolar()

SiLocalPosition InDetDD::SCT_ForwardFrameTransformation::cartesianFromPolar

(

const SCT_ForwardPolarPosition &

polar

)

const

create a SiLocalPosition from a SCT_ForwardPolarPosition

Definition at line 65 of file SCT_ForwardFrameTransformation.cxx.

{
  const double phi = m_phiCenter + polar.r()*sin(polar.theta());
  const double eta = m_etaCenter + polar.r()*cos(polar.theta()) - m_radius;
  return SiLocalPosition(eta, phi);
}

etaCenter()

double InDetDD::SCT_ForwardFrameTransformation::etaCenter ( ) const

inline

eta coordinate of module center:

Definition at line 91 of file SCT_ForwardFrameTransformation.h.

{
  return m_etaCenter;
}

operator=() [1/2]

SCT_ForwardFrameTransformation & InDetDD::SCT_ForwardFrameTransformation::operator=

(

const SCT_ForwardFrameTransformation &

frame

)

Assignment operator:

Definition at line 42 of file SCT_ForwardFrameTransformation.cxx.

{
  if (this!=&frame) {
    m_etaCenter=frame.m_etaCenter;
    m_phiCenter=frame.m_phiCenter;
    m_radius=frame.m_radius;
  } else {}
  return *this;
}

operator=() [2/2]

SCT_ForwardFrameTransformation & InDetDD::SCT_ForwardFrameTransformation::operator= ( SCT_ForwardFrameTransformation && )

default

Default move assignment operator:

phiCenter()

double InDetDD::SCT_ForwardFrameTransformation::phiCenter ( ) const

inline

phi coordinate of modulecenter:

Definition at line 96 of file SCT_ForwardFrameTransformation.h.

{
  return m_phiCenter;
}

polarFromCartesian()

SCT_ForwardPolarPosition InDetDD::SCT_ForwardFrameTransformation::polarFromCartesian

(

const SiLocalPosition &

cartesian

)

const

create a SCT_ForwardPolarPosition from a SiLocalPosition

Definition at line 54 of file SCT_ForwardFrameTransformation.cxx.

{ 
  const double deltaPhi = cartesian.xPhi()-m_phiCenter;
  const double deltaEta = cartesian.xEta()-m_etaCenter+m_radius;
  const double r = sqrt(deltaPhi*deltaPhi+deltaEta*deltaEta);
  if (r<=0) return {};
  const double theta = asin((cartesian.xPhi()-m_phiCenter)/r);
  return SCT_ForwardPolarPosition(r,theta);
}

radius()

double InDetDD::SCT_ForwardFrameTransformation::radius ( ) const

inline

r from module center to beam:

Definition at line 101 of file SCT_ForwardFrameTransformation.h.

{
  return m_radius;
}

Member Data Documentation

m_etaCenter

double InDetDD::SCT_ForwardFrameTransformation::m_etaCenter

private

eta coordinate of module center

Definition at line 83 of file SCT_ForwardFrameTransformation.h.

m_phiCenter

double InDetDD::SCT_ForwardFrameTransformation::m_phiCenter

private

phi coordinate of module center

Definition at line 84 of file SCT_ForwardFrameTransformation.h.

m_radius

double InDetDD::SCT_ForwardFrameTransformation::m_radius

private

r from module center to beam

Definition at line 85 of file SCT_ForwardFrameTransformation.h.

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

• SCT_ForwardFrameTransformation.h
• SCT_ForwardFrameTransformation.cxx