HECDetectorRegion Class Reference

Description of a region of homogenous granularity in the hadronic endcap calorimeter. More...

#include <HECDetectorRegion.h>

Inheritance diagram for HECDetectorRegion:

Collaboration diagram for HECDetectorRegion:

Public Types
enum	DetectorSide { NEG =0 , POS =1 }

Public Member Functions
	HECDetectorRegion (const GeoVFullPhysVol *physVol, const HECDetDescr *hecDescriptor, DetectorSide endcap, double projectivityDisplacement=4 *Gaudi::Units::cm)
	Constructor.
	~HECDetectorRegion ()
	Destructor.
HECCellConstLink	getHECCell (unsigned int ieta, unsigned int iphi) const
	Retrieve a cell with eta index and phi index.
const HECDetDescr *	getDescriptor () const
	Returns the Descriptor for this region.
unsigned int	getSamplingIndex () const
	Returns the Sampling Layer Index (0-3).
unsigned int	getRegionIndex () const
	Returns the Region Index.
unsigned int	beginPhiIndex () const
	returns the first phi index in the region.
unsigned int	endPhiIndex () const
	returns the end phi index in the region.
unsigned int	beginEtaIndex () const
	returns the first eta index in the region.
unsigned int	endEtaIndex () const
	returns the end eta index in the region.
const Amg::Transform3D &	getAbsoluteTransform (const GeoAlignmentStore *alignStore=nullptr) const
	Returns the absolute transform of this element.
const Amg::Transform3D &	getDefAbsoluteTransform (const GeoAlignmentStore *alignStore=nullptr) const
	Returns the absolute transform of this element.
HepGeom::Point3D< double >	getRefPlanePos () const
	Returns the position of the center of the reference plane of the HEC (front face of the HEC volume).
HepGeom::Point3D< double >	getFocalPointPos () const
	Returns the position of the focal point of the HEC.
Amg::Vector3D	getRefPlanePosAmg () const
	Returns the position of the center of the reference plane of the HEC (front face of the HEC volume).
Amg::Vector3D	getFocalPointPosAmg () const
	Returns the position of the focal point of the HEC.
HECDetectorRegion::DetectorSide	getEndcapIndex () const
	The endcap index.
double	getProjectivityDisplacement () const

Private Member Functions
	HECDetectorRegion (const HECDetectorRegion &right)
HECDetectorRegion &	operator= (const HECDetectorRegion &right)

Private Attributes
GeoIntrusivePtr< const HECDetDescr >	m_descriptor {}
HECDetectorRegion::DetectorSide	m_endcapIndex
double	m_projectivityDisplacement

Detailed Description

Description of a region of homogenous granularity in the hadronic endcap calorimeter.

This class combines a description of the cell granularity with a physical volume to create a description of a HEC region positioned within ATLAS. It provides access to the HEC Cells.

Definition at line 32 of file HECDetectorRegion.h.

Member Enumeration Documentation

DetectorSide

enum HECDetectorRegion::DetectorSide

Enumerator
NEG
POS

Definition at line 36 of file HECDetectorRegion.h.

{NEG=0,POS=1} DetectorSide;

Constructor & Destructor Documentation

HECDetectorRegion() [1/2]

HECDetectorRegion::HECDetectorRegion	(	const GeoVFullPhysVol *	physVol,
		const HECDetDescr *	hecDescriptor,
		DetectorSide	endcap,
		double	projectivityDisplacement = 4*Gaudi::Units::cm )

Constructor.

Definition at line 11 of file HECDetectorRegion.cxx.

  : GeoVDetectorElement(physVol)
  , m_descriptor(hecDescriptor) 
  , m_endcapIndex(endcap)
  , m_projectivityDisplacement(projectivityDisplacement)
{
 
}

~HECDetectorRegion()

HECDetectorRegion::~HECDetectorRegion ( )

default

Destructor.

HECDetectorRegion() [2/2]

HECDetectorRegion::HECDetectorRegion ( const HECDetectorRegion & right )

private

Member Function Documentation

beginEtaIndex()

unsigned int HECDetectorRegion::beginEtaIndex ( ) const

inline

returns the first eta index in the region.

Definition at line 195 of file HECDetectorRegion.h.

{
  
  return m_descriptor->getEtaBinning().getFirstDivisionNumber();
  
}

beginPhiIndex()

unsigned int HECDetectorRegion::beginPhiIndex ( ) const

inline

returns the first phi index in the region.

Definition at line 181 of file HECDetectorRegion.h.

{
  
  return m_descriptor->getPhiBinning().getFirstDivisionNumber();
  
}

endEtaIndex()

unsigned int HECDetectorRegion::endEtaIndex ( ) const

inline

returns the end eta index in the region.

Definition at line 202 of file HECDetectorRegion.h.

{
  
  return m_descriptor->getEtaBinning().getFirstDivisionNumber() + m_descriptor->getEtaBinning().getNumDivisions();
  
}

endPhiIndex()

unsigned int HECDetectorRegion::endPhiIndex ( ) const

inline

returns the end phi index in the region.

Definition at line 188 of file HECDetectorRegion.h.

{
  
  return m_descriptor->getPhiBinning().getFirstDivisionNumber() + m_descriptor->getPhiBinning().getNumDivisions();
  
}

getAbsoluteTransform()

const Amg::Transform3D & HECDetectorRegion::getAbsoluteTransform

(

const GeoAlignmentStore *

alignStore = nullptr

)

const

Returns the absolute transform of this element.

Definition at line 37 of file HECDetectorRegion.cxx.

{
  const GeoVFullPhysVol *fullPhysVol = getMaterialGeom();
  return alignStore
    ? fullPhysVol->getCachedAbsoluteTransform(alignStore)
    : fullPhysVol->getAbsoluteTransform();
}

getDefAbsoluteTransform()

const Amg::Transform3D & HECDetectorRegion::getDefAbsoluteTransform

(

const GeoAlignmentStore *

alignStore = nullptr

)

const

Returns the absolute transform of this element.

Definition at line 45 of file HECDetectorRegion.cxx.

{
  const GeoVFullPhysVol *fullPhysVol = getMaterialGeom();
  return alignStore
    ? fullPhysVol->getCachedDefAbsoluteTransform(alignStore)
    : fullPhysVol->getDefAbsoluteTransform();
}

getDescriptor()

const HECDetDescr * HECDetectorRegion::getDescriptor ( ) const

inline

Returns the Descriptor for this region.

Definition at line 160 of file HECDetectorRegion.h.

{
  
  return m_descriptor;
  
}

getEndcapIndex()

HECDetectorRegion::DetectorSide HECDetectorRegion::getEndcapIndex ( ) const

inline

The endcap index.

0=negative, 1=positive.

Definition at line 211 of file HECDetectorRegion.h.

{
  
  return m_endcapIndex;
  
}

getFocalPointPos()

HepGeom::Point3D< double > HECDetectorRegion::getFocalPointPos

(

)

const

Returns the position of the focal point of the HEC.

This method is not fast, result should be cached if used frequently.

Definition at line 76 of file HECDetectorRegion.cxx.

{
  HepGeom::Point3D<double> zRef = getRefPlanePos();
  int    sgn  = m_endcapIndex==0 ? -1 : +1;
  bool   hec2 = m_descriptor->getSamplingIndex()>1;
  HepGeom::Point3D<double> focalPos = hec2 ? 
    HepGeom::Point3D<double>(0,0,sgn*m_descriptor->getManager()->getFocalToRef2()):
    HepGeom::Point3D<double>(0,0,sgn*m_descriptor->getManager()->getFocalToRef1());
  return zRef - focalPos;
}

getFocalPointPosAmg()

Amg::Vector3D HECDetectorRegion::getFocalPointPosAmg

(

)

const

Returns the position of the focal point of the HEC.

This method is not fast, result should be cached if used frequently.

Definition at line 53 of file HECDetectorRegion.cxx.

{
    HepGeom::Point3D<double> clhepPoint = getFocalPointPos();
    return Amg::Vector3D(clhepPoint.x(), clhepPoint.y(), clhepPoint.z());
}

getHECCell()

HECCellConstLink HECDetectorRegion::getHECCell	(	unsigned int	ieta,
		unsigned int	iphi ) const

Retrieve a cell with eta index and phi index.

Definition at line 26 of file HECDetectorRegion.cxx.

{
  HECCell *cell = new HECCell(m_endcapIndex,m_descriptor,ieta,iphi);
  return {cell};
}

getProjectivityDisplacement()

double HECDetectorRegion::getProjectivityDisplacement ( ) const

inline

Definition at line 218 of file HECDetectorRegion.h.

{
  return m_projectivityDisplacement;
}

getRefPlanePos()

HepGeom::Point3D< double > HECDetectorRegion::getRefPlanePos

(

)

const

Returns the position of the center of the reference plane of the HEC (front face of the HEC volume).

This method is not fast, the result should be cached if frequently used.

Definition at line 60 of file HECDetectorRegion.cxx.

{
 
  // Get the material geometry:
 
  const GeoVFullPhysVol *physVol = getMaterialGeom();
  const GeoLogVol       *logVol  = physVol->getLogVol();
  const GeoShape        *shape   = logVol->getShape();
  if (shape->typeID()!=GeoPcon::getClassTypeID()) {
    throw std::runtime_error ("HECDetectorRegion cannot compute absolute position of reference plane");
  }
  const GeoPcon *pcon = static_cast<const GeoPcon *> (shape);
  HepGeom::Point3D<double> center(0,0,pcon->getZPlane(0));
  return (Amg::EigenTransformToCLHEP(physVol->getAbsoluteTransform())*center);
}

getRefPlanePosAmg()

Amg::Vector3D HECDetectorRegion::getRefPlanePosAmg

(

)

const

Returns the position of the center of the reference plane of the HEC (front face of the HEC volume).

This method is not fast, the result should be cached if frequently used.

Definition at line 32 of file HECDetectorRegion.cxx.

{
    HepGeom::Point3D<double> clhepPoint = getRefPlanePos();
    return Amg::Vector3D(clhepPoint.x(), clhepPoint.y(), clhepPoint.z());
}

getRegionIndex()

unsigned int HECDetectorRegion::getRegionIndex ( ) const

inline

Returns the Region Index.

Definition at line 174 of file HECDetectorRegion.h.

{
  
  return getDescriptor()->getRegionIndex();
  
}

getSamplingIndex()

unsigned int HECDetectorRegion::getSamplingIndex ( ) const

inline

Returns the Sampling Layer Index (0-3).

Definition at line 167 of file HECDetectorRegion.h.

{
  
  return getDescriptor()->getSamplingIndex();
  
}

operator=()

HECDetectorRegion & HECDetectorRegion::operator= ( const HECDetectorRegion & right )

private

Member Data Documentation

m_descriptor

GeoIntrusivePtr<const HECDetDescr> HECDetectorRegion::m_descriptor {}

private

Definition at line 147 of file HECDetectorRegion.h.

{};

m_endcapIndex

HECDetectorRegion::DetectorSide HECDetectorRegion::m_endcapIndex

private

Definition at line 148 of file HECDetectorRegion.h.

m_projectivityDisplacement

double HECDetectorRegion::m_projectivityDisplacement

private

Definition at line 150 of file HECDetectorRegion.h.

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

• HECDetectorRegion.h
• HECDetectorRegion.cxx