InDetDD::TRT_BarrelElement Class Reference

#include <TRT_BarrelElement.h>

Inheritance diagram for InDetDD::TRT_BarrelElement:

Collaboration diagram for InDetDD::TRT_BarrelElement:

Public Types
enum	Type { BARREL, ENDCAP }

Public Member Functions
	TRT_BarrelElement (const GeoVFullPhysVol *volume, const TRT_BarrelDescriptor *descriptor, bool isPositive, unsigned int modIndex, unsigned int phiIndex, unsigned int strawLayIndex, const TRT_ID *idHelper, const TRT_Conditions *conditions)
	Constructor: More...
	TRT_BarrelElement (const TRT_BarrelElement &right)
virtual	~TRT_BarrelElement ()=default
	Destructor: More...
virtual TRT_BaseElement::Type	type () const override final
	Type information. More...
const TRT_BarrelDescriptor *	getDescriptor () const
	Returns a pointer to a descriptor, giving common information on module construction: More...
double	strawXPos (unsigned int i) const
	Get X Position: DEPRECATED. More...
double	strawYPos (unsigned int i) const
	Get Y Position: DEPRECATED. More...
double	strawZPos (unsigned int i) const
	Get Z Position: (active center) DEPRECATED. More...
virtual const double &	strawLength () const override final
	Get the length of the straws (active length): More...
virtual int	strawDirection () const override final
	StrawDirection. More...
const TRT_BarrelElement *	nextInPhi () const
	Returns the next-in-phi detector element, or zero if none (forseeing gaps, in other words). More...
const TRT_BarrelElement *	previousInPhi () const
	Returns the previous-in-phi detector element, or zero if none (forseeing gaps, in other words). More...
const TRT_BarrelElement *	nextInR () const
	Returns the next-in-R detector element, or zero if none. More...
const TRT_BarrelElement *	previousInR () const
	Returns the next-in-R detector element, or zero if none. More...
void	setNextInPhi (const TRT_BarrelElement *element)
	Sets the next-in-phi detector. More...
void	setPreviousInPhi (const TRT_BarrelElement *element)
	Sets the previous-in-phi detector. More...
void	setNextInR (const TRT_BarrelElement *element)
	Sets the next-in-r detector. More...
void	setPreviousInR (const TRT_BarrelElement *element)
	Sets the previous-in-r detector. More...
const TRT_BarrelCode &	getCode () const
	Doomed (?): More...
virtual const Trk::SurfaceBounds &	strawBounds () const override final
	Surface bounds. More...
virtual Identifier	identify () const override final
	identifier of this detector element: More...
virtual IdentifierHash	identifyHash () const override final
	identifier hash More...
const GeoTrf::Transform3D &	defTransform () const
	Get Default Transform (of module in barrel, layer in endcap) from GeoModel before alignment corrections. More...
const HepGeom::Transform3D	getAbsoluteTransform (int straw) const
	This is an alias to strawTransform(int straw) More...
virtual const Trk::Surface &	surface () const override final
	Element Surface: access to the Surface (straw layer) More...
virtual const Trk::Surface &	surface (const Identifier &id) const override final
	Straw Surface: access to the surface via identifier. More...
virtual const Trk::SurfaceBounds &	bounds () const override final
	Straw layer bounds. More...
virtual const Trk::SurfaceBounds &	bounds (const Identifier &id) const override final
	Straw Surface: access to the bounds via Identifier. More...
virtual const Amg::Transform3D &	transform () const override final
	Element Surface: Get Transform of element in Tracking frame: Amg. More...
virtual const Amg::Transform3D &	transform (const Identifier &id) const override final
	Straw Surface: access to the transform of individual straw in Tracking frame: Amg. More...
virtual const Amg::Vector3D &	center () const override final
	Element Surface: center of a straw layer. More...
virtual const Amg::Vector3D &	center (const Identifier &id) const override final
	Straw Surface: Center of a straw using Identifier Straw center and straw axis can be obtained by the following: (The straw center is the center of the active region) Amg::Transform3D& transform = element->strawTransform(straw); Amb::Vector3D& center = element->strawCenter(); double r = element->strawCenter()->perp(); double phi = element->strawCenter()->phi(); Amg::Vector3D strawAxis = element->strawTransform(straw)* Vector3D(0,0,1) * strawDirection() More...
virtual const Amg::Vector3D &	normal () const override final
	Element Surface: normal of a straw layer. More...
virtual const Amg::Vector3D &	normal (const Identifier &id) const override final
	Normal of a straw. More...
virtual Trk::DetectorElemType	detectorType () const override final
	TrkDetElementBase interface detectorTyoe. More...
const std::vector< const Trk::Surface * > &	surfaces () const
	Returns the full list of all detection surfaces associated to this detector element. More...
const Amg::Transform3D &	strawTransform (unsigned int straw) const
	Straw transform - fast access in array, in Tracking frame: Amg. More...
const Amg::Transform3D &	strawTransform (int straw) const
	Straw Surface: Local -> global transform of the straw via integer. More...
const Trk::StraightLineSurface &	strawSurface (int straw) const
	Straw Surface: access to the surface via integer. More...
const Amg::Vector3D &	strawCenter (int straw) const
	Straw Surface: Local -> global transform of the straw via integer. More...
Amg::Vector3D	strawAxis (int straw) const
	Straw axis. More...
unsigned int	nStraws () const
	Number of straws in the element. More...
void	invalidate ()
	Invalidate cache. More...
void	updateAllCaches (GeoAlignmentStore *alignStore=nullptr)
	Update all caches. More...
const TRT_Conditions *	conditions () const
	Return the TRT_Conditions object associated to this Detector element. More...
void	createSurfaceCache (Identifier id, GeoAlignmentStore *alignStore=nullptr) const
	create the surface & surface cache for the straw More...
void	invalidateOther () const
	invalidate action on the cache More...
std::string	detectorTypeString () const
	Returns a string of the Detector element type. More...

Static Public Member Functions
static const TRT_BarrelConditions *	getConditionsData ()
	Returns a pointer to conditions data. More...

Protected Attributes
Identifier	m_id
IdentifierHash	m_idHash
unsigned int	m_nstraws = 0
const TRT_ID *	m_idHelper =nullptr
const TRT_Conditions *	m_conditions =nullptr
CxxUtils::CachedUniquePtr< Trk::Surface >	m_surface
std::vector< CxxUtils::CachedUniquePtr< Trk::StraightLineSurface > >	m_strawSurfaces {}
std::vector< CxxUtils::CachedUniquePtr< SurfaceCacheBase > >	m_strawSurfacesCache {}
	helper element surface for the cache More...
CxxUtils::CachedValue< std::vector< const Trk::Surface * > >	m_surfaces
CxxUtils::CachedValue< SurfaceCache >	m_surfaceCache

Private Member Functions
const TRT_BarrelElement &	operator= (const TRT_BarrelElement &right)=delete
	Illegal Operations: More...
virtual HepGeom::Transform3D	calculateStrawTransform (int straw, GeoAlignmentStore *alignStore) const override
	These transforms are effectively to the local coord system of a straw derived from GeoModel -> hence CLHEP. More...
HepGeom::Transform3D	calculateLocalStrawTransform (int straw) const
virtual const Trk::Surface &	elementSurface () const override
	return the surface of the element More...
virtual void	createSurfaceCache (GeoAlignmentStore *alignStore) const override
	create the cache for the element More...
SurfaceCache	createSurfaceCacheHelper () const
void	deleteCache ()
	Helper method for cache dealing. More...

Private Attributes
TRT_BarrelCode	m_code
const TRT_BarrelDescriptor *	m_descriptor
const TRT_BarrelElement *	m_nextInPhi
const TRT_BarrelElement *	m_previousInPhi
const TRT_BarrelElement *	m_nextInR
const TRT_BarrelElement *	m_previousInR

Detailed Description

Extended TRT_BaseElement to describe a TRT readout element, this is a planar layer with n ( order of 20 ) straws, in one of the 32 sectors of the TRT barrel.

The number of straws described by this readout element can be retrieved by nStraws()

Author

: Grant Gorfine

• modified & maintained: Nick Styles, Andreas Salzburger

Definition at line 43 of file TRT_BarrelElement.h.

Member Enumeration Documentation

Type

enum InDetDD::TRT_BaseElement::Type

inherited

Enumerator
BARREL
ENDCAP

Definition at line 56 of file TRT_BaseElement.h.

{BARREL, ENDCAP};

Constructor & Destructor Documentation

TRT_BarrelElement() [1/2]

InDetDD::TRT_BarrelElement::TRT_BarrelElement	(	const GeoVFullPhysVol *	volume,
		const TRT_BarrelDescriptor *	descriptor,
		bool	isPositive,
		unsigned int	modIndex,
		unsigned int	phiIndex,
		unsigned int	strawLayIndex,
		const TRT_ID *	idHelper,
		const TRT_Conditions *	conditions
	)

Constructor:

Definition at line 25 of file TRT_BarrelElement.cxx.

  : TRT_BaseElement(volume,
                    idHelper->layer_id((isPositive ? 1 : -1),
                                       phiIndex,
                                       modIndex,
                                       strawLayIndex),
                    idHelper,
                    conditions)
  , m_code(isPositive, modIndex, phiIndex, strawLayIndex)
  , m_descriptor(descriptor)
  , m_nextInPhi(nullptr)
  , m_previousInPhi(nullptr)
  , m_nextInR(nullptr)
  , m_previousInR(nullptr)
 
{
  m_nstraws = m_descriptor->nStraws();
  m_strawSurfaces.resize(m_nstraws);
  m_strawSurfacesCache.resize(m_nstraws);
}

TRT_BarrelElement() [2/2]

InDetDD::TRT_BarrelElement::TRT_BarrelElement

(

const TRT_BarrelElement &

right

)

Definition at line 53 of file TRT_BarrelElement.cxx.

  : TRT_BaseElement(right)
  , m_code(right.m_code)
  , m_descriptor(right.m_descriptor)
  , m_nextInPhi(right.m_nextInPhi)
  , m_previousInPhi(right.m_previousInPhi)
  , m_nextInR(right.m_nextInR)
  , m_previousInR(right.m_previousInR)
{
  m_nstraws = right.m_nstraws;
  m_strawSurfaces.resize(m_nstraws);
  m_strawSurfacesCache.resize(m_nstraws);
}

~TRT_BarrelElement()

virtual InDetDD::TRT_BarrelElement::~TRT_BarrelElement ( )

virtualdefault

Destructor:

Member Function Documentation

bounds() [1/2]

virtual const Trk::SurfaceBounds& InDetDD::TRT_BaseElement::bounds ( ) const

finaloverridevirtualinherited

Straw layer bounds.

Implements Trk::TrkDetElementBase.

bounds() [2/2]

const Trk::SurfaceBounds & InDetDD::TRT_BaseElement::bounds ( const Identifier &  id ) const

finaloverridevirtualinherited

Straw Surface: access to the bounds via Identifier.

Implements Trk::TrkDetElementBase.

Definition at line 72 of file TRT_BaseElement.cxx.

{
  return strawBounds();
}

calculateLocalStrawTransform()

HepGeom::Transform3D InDetDD::TRT_BarrelElement::calculateLocalStrawTransform ( int  straw ) const

private

Definition at line 126 of file TRT_BarrelElement.cxx.

{
  const TRTCond::StrawDxContainer* container = conditions()->dxContainer();
  HepGeom::Transform3D rc ;
  if(!container) {
    // std::cout << " TRT_BarrelElement: no local transform found " << std::endl;
  } else {
    // important note: dx1 moves the 'negative' wire endpoint end dx2
    // the 'positive' wire endpoint in the local straw frame. In the
    // global frame, 'dx1' corresponds to the readout side and 'dx2'
    // to the wire joint side for both sides of the barrel.
 
    int bec = getCode().isPosZ() ? +1 : -1 ;
    int layer = getCode().getModuleIndex();
    int phimodule = getCode().getPhiIndex();
    int strawlayer = getCode().getStrawLayerIndex();
    TRTCond::ExpandedIdentifier id = TRTCond::ExpandedIdentifier
      (bec,layer,phimodule,strawlayer,straw,TRTCond::ExpandedIdentifier::STRAW);
    double dx1 = container->getDx1(id);
    double dx2 = container->getDx2(id);
    double ang = (dx2-dx1)/strawLength();
    double dx = (dx2+dx1)/2.;
    rc = HepGeom::TranslateX3D(dx)*HepGeom::RotateY3D(ang) ;
  }
  return rc ;
}

calculateStrawTransform()

HepGeom::Transform3D InDetDD::TRT_BarrelElement::calculateStrawTransform ( int  straw, GeoAlignmentStore *  alignStore  ) const

overrideprivatevirtual

These transforms are effectively to the local coord system of a straw derived from GeoModel -> hence CLHEP.

Implements InDetDD::TRT_BaseElement.

Definition at line 99 of file TRT_BarrelElement.cxx.

{
  // NB The tranformation to a straw is reconstructed here precisely as
  // it was ... hopefully... in the factory.  One could eliminate this
  // requirement and make the code a little more robust in this regard but
  // at the cost of doubling the descriptors.  (One descriptor now suffices
  // for both positive and negative endcaps).
  //std::cout << "In calculateStrawTransform" << std::endl;
 
  const GeoXF::Function *f= m_descriptor->getStrawTransform();
  if (f) {
    size_t offsetInto = m_descriptor->getStrawTransformOffset();
    double zPos = -m_descriptor->strawZPos();
    double zAng =  m_code.isPosZ() ? M_PI : 0;
    return  Amg::EigenTransformToCLHEP(getMaterialGeom()->getAbsoluteTransform(alignStore)*((*f)(straw+offsetInto)))
      * HepGeom::RotateY3D(zAng)*HepGeom::TranslateZ3D(zPos)
      * calculateLocalStrawTransform(straw);
 } else {
    std::cout << "calculateStrawTransform:  f is 0 !!!!" << std::endl;
    return {};
  }
}

center() [1/2]

virtual const Amg::Vector3D& InDetDD::TRT_BaseElement::center ( ) const

finaloverridevirtualinherited

Element Surface: center of a straw layer.

Implements Trk::TrkDetElementBase.

center() [2/2]

const Amg::Vector3D & InDetDD::TRT_BaseElement::center ( const Identifier &  id ) const

finaloverridevirtualinherited

Straw Surface: Center of a straw using Identifier Straw center and straw axis can be obtained by the following: (The straw center is the center of the active region) Amg::Transform3D& transform = element->strawTransform(straw); Amb::Vector3D& center = element->strawCenter(); double r = element->strawCenter()->perp(); double phi = element->strawCenter()->phi(); Amg::Vector3D strawAxis = element->strawTransform(straw)* Vector3D(0,0,1) * strawDirection()

Implements Trk::TrkDetElementBase.

Definition at line 110 of file TRT_BaseElement.cxx.

{
  int straw = m_idHelper->straw(id);
  if (!m_strawSurfacesCache[straw]) {
    createSurfaceCache(id);
  }
  // forward the transform of the cache
  return m_strawSurfacesCache[straw]->center();
}

conditions()

const TRT_Conditions* InDetDD::TRT_BaseElement::conditions ( ) const

inherited

Return the TRT_Conditions object associated to this Detector element.

createSurfaceCache() [1/2]

void InDetDD::TRT_BarrelElement::createSurfaceCache ( GeoAlignmentStore *  alignStore ) const

overrideprivatevirtual

create the cache for the element

Implements InDetDD::TRT_BaseElement.

Definition at line 166 of file TRT_BarrelElement.cxx.

{
 // create the surface cache
 if (!m_surfaceCache.isValid()) {
   m_surfaceCache.set(createSurfaceCacheHelper());
 }
 // creaete the surface (only if needed, links are still ok even if cache
 // update)
 if (!m_surface) {
   elementSurface();
 }
}

createSurfaceCache() [2/2]

void InDetDD::TRT_BaseElement::createSurfaceCache ( Identifier  id, GeoAlignmentStore *  alignStore = nullptr  ) const

inherited

create the surface & surface cache for the straw

Definition at line 161 of file TRT_BaseElement.cxx.

{
  int straw = m_idHelper->straw(id);
 
  // convert neccessary parts to Amg
  if (!m_strawSurfacesCache[straw]) {
    // create the surface cache & fill it
    m_strawSurfacesCache[straw].set(createSurfaceCacheHelper(straw,alignStore));
  }
  // creaete the surface only if needed (the links are still intact)
  if (!m_strawSurfaces[straw]) {
    m_strawSurfaces[straw].set(
      std::make_unique<Trk::StraightLineSurface>(*this, id));
  }
}

createSurfaceCacheHelper()

SurfaceCache InDetDD::TRT_BarrelElement::createSurfaceCacheHelper ( ) const

private

Definition at line 179 of file TRT_BarrelElement.cxx.

                                                 {
 
  // Calculate the surface from the two end straws.
  int firstStraw = 0;
  int lastStraw = nStraws() - 1;
 
  const Amg::Vector3D& centerFirstStraw =
    center(m_idHelper->straw_id(identify(), firstStraw));
  const Amg::Vector3D& centerLastStraw =
    center(m_idHelper->straw_id(identify(), lastStraw));
 
  // Calculate center as the average position of the end straws.
  auto center = Amg::Vector3D(0.5 * (centerFirstStraw + centerLastStraw));
 
  Amg::Vector3D phiAxis = centerLastStraw - centerFirstStraw;
  double width = phiAxis.mag();
  phiAxis = phiAxis.normalized();
  double elementWidth =
    width + 2 * m_descriptor->innerTubeRadius(); // Add the straw tube radius
 
  // Get local z-axis. This is roughly in +ve global z direction  (exactly if no
  // misalignment) We could probably use any straw for this but we average the
  // first and last straw and renormalize to a unit vector.
  Amg::Vector3D etaAxis = 0.5 * (strawAxis(firstStraw) + strawAxis(lastStraw));
  etaAxis = etaAxis.normalized();
 
  // Calculate normal. This will point away from the beam line based
  // on the assumption that the straw numbering goes in the direction
  // of increasing phi and the straw axis is in +ve z direction.
  auto normal = Amg::Vector3D(phiAxis.cross(etaAxis)); // phi cross z
 
  // Transform from local to global.
  // local x axis -> phiAxis
  // local y axis -> etaAxis
  // local z axis -> cross product of local x and local y
  // translation -> center
 
  Amg::RotationMatrix3D rotation;
  rotation.col(0) = phiAxis;
  rotation.col(1) = etaAxis;
  rotation.col(2) = normal;
 
  // This constructor takes three points in the two coordinate systems.
  auto transform = Amg::Transform3D(Amg::Translation3D(center) * rotation);
 
  // create the element bounds
  auto elementBounds = std::make_unique<Trk::RectangleBounds>(
    0.5 * elementWidth, 0.5 * strawLength());
 
  return { transform, center, normal, std::move(elementBounds) };
}

defTransform()

const GeoTrf::Transform3D& InDetDD::TRT_BaseElement::defTransform ( ) const

inherited

Get Default Transform (of module in barrel, layer in endcap) from GeoModel before alignment corrections.

deleteCache()

void InDetDD::TRT_BaseElement::deleteCache ( )

privateinherited

Helper method for cache dealing.

Definition at line 200 of file TRT_BaseElement.cxx.

{
  // for all straws
  for (auto & i : m_strawSurfacesCache) {
    i.store(nullptr);
  }
}

detectorType()

virtual Trk::DetectorElemType InDetDD::TRT_BaseElement::detectorType ( ) const

finaloverridevirtualinherited

TrkDetElementBase interface detectorTyoe.

Implements Trk::TrkDetElementBase.

detectorTypeString()

std::string Trk::TrkDetElementBase::detectorTypeString ( ) const

inherited

Returns a string of the Detector element type.

Definition at line 10 of file TrkDetElementBase.cxx.

                                                         {
  auto type = detectorType();
  if (type == Trk::DetectorElemType::SolidState)
    return "SolidState";
  else if (type == Trk::DetectorElemType::Silicon)
    return "Silicon";
  else if (type == Trk::DetectorElemType::TRT)
    return "TRT";
  else if (type == Trk::DetectorElemType::Csc)
    return "Csc";
  else if (type == Trk::DetectorElemType::Mdt)
    return "Mdt";
  else if (type == Trk::DetectorElemType::Rpc)
    return "Rpc";
  else if (type == Trk::DetectorElemType::Tgc)
    return "Tgc";
  else if (type == Trk::DetectorElemType::sTgc)
    return "sTgc";
  else if (type == Trk::DetectorElemType::MM)
    return "Mm";
  return "Unknown";
}

elementSurface()

const Trk::Surface & InDetDD::TRT_BarrelElement::elementSurface ( ) const

overrideprivatevirtual

return the surface of the element

Implements InDetDD::TRT_BaseElement.

Definition at line 158 of file TRT_BarrelElement.cxx.

{
  if (not m_surface) {
    m_surface.set(std::make_unique<Trk::PlaneSurface>(*this));
  }
  return *m_surface;
}

getAbsoluteTransform()

const HepGeom::Transform3D InDetDD::TRT_BaseElement::getAbsoluteTransform ( int  straw ) const

inherited

This is an alias to strawTransform(int straw)

Definition at line 42 of file TRT_BaseElement.cxx.

{
  return Amg::EigenTransformToCLHEP(strawTransform(straw));
}

getCode()

const TRT_BarrelCode& InDetDD::TRT_BarrelElement::getCode

(

)

const

Doomed (?):

getConditionsData()

const TRT_BarrelConditions * InDetDD::TRT_BarrelElement::getConditionsData ( )

static

Returns a pointer to conditions data.

This includes information on dead and noisy wires, as well as wire sags.

Definition at line 67 of file TRT_BarrelElement.cxx.

{
  return nullptr;
}

getDescriptor()

const TRT_BarrelDescriptor * InDetDD::TRT_BarrelElement::getDescriptor

(

)

const

Returns a pointer to a descriptor, giving common information on module construction:

Definition at line 72 of file TRT_BarrelElement.cxx.

{
  return m_descriptor;
}

identify()

virtual Identifier InDetDD::TRT_BaseElement::identify ( ) const

finaloverridevirtualinherited

identifier of this detector element:

Implements Trk::TrkDetElementBase.

identifyHash()

virtual IdentifierHash InDetDD::TRT_BaseElement::identifyHash ( ) const

finaloverridevirtualinherited

identifier hash

Implements Trk::TrkDetElementBase.

invalidate()

void InDetDD::TRT_BaseElement::invalidate ( )

inherited

Invalidate cache.

Definition at line 190 of file TRT_BaseElement.cxx.

{
  // Invalidate the caches
  // Call and barrel or endcap specific invalidation
  invalidateOther();
  // Its enough to delete and zero the caches.
  deleteCache();
}

invalidateOther()

void InDetDD::TRT_BaseElement::invalidateOther ( ) const

inlineinherited

invalidate action on the cache

Definition at line 188 of file TRT_BaseElement.h.

{};

nextInPhi()

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::nextInPhi

(

)

const

Returns the next-in-phi detector element, or zero if none (forseeing gaps, in other words).

nextInR()

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::nextInR

(

)

const

Returns the next-in-R detector element, or zero if none.

normal() [1/2]

virtual const Amg::Vector3D& InDetDD::TRT_BaseElement::normal ( ) const

finaloverridevirtualinherited

Element Surface: normal of a straw layer.

Implements Trk::TrkDetElementBase.

normal() [2/2]

const Amg::Vector3D & InDetDD::TRT_BaseElement::normal ( const Identifier &  id ) const

finaloverridevirtualinherited

Normal of a straw.

(Not very meaningful).

Implements Trk::TrkDetElementBase.

Definition at line 100 of file TRT_BaseElement.cxx.

{
  // Not sure if the normal of the straw is ever used.
  // nor is there a well defined normal.
  // This wont be corrected for alignments.
  // Just return the element normal
  return normal();
}

nStraws()

unsigned int InDetDD::TRT_BaseElement::nStraws ( ) const

inherited

Number of straws in the element.

operator=()

const TRT_BarrelElement& InDetDD::TRT_BarrelElement::operator= ( const TRT_BarrelElement &  right )

privatedelete

Illegal Operations:

previousInPhi()

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::previousInPhi

(

)

const

Returns the previous-in-phi detector element, or zero if none (forseeing gaps, in other words).

previousInR()

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::previousInR

(

)

const

Returns the next-in-R detector element, or zero if none.

setNextInPhi()

void InDetDD::TRT_BarrelElement::setNextInPhi

(

const TRT_BarrelElement *

element

)

Sets the next-in-phi detector.

Definition at line 77 of file TRT_BarrelElement.cxx.

{
  m_nextInPhi=element;
}

setNextInR()

void InDetDD::TRT_BarrelElement::setNextInR

(

const TRT_BarrelElement *

element

)

Sets the next-in-r detector.

Definition at line 87 of file TRT_BarrelElement.cxx.

{
  m_nextInR=element;
}

setPreviousInPhi()

void InDetDD::TRT_BarrelElement::setPreviousInPhi

(

const TRT_BarrelElement *

element

)

Sets the previous-in-phi detector.

Definition at line 82 of file TRT_BarrelElement.cxx.

{
  m_previousInPhi=element;
}

setPreviousInR()

void InDetDD::TRT_BarrelElement::setPreviousInR

(

const TRT_BarrelElement *

element

)

Sets the previous-in-r detector.

Definition at line 92 of file TRT_BarrelElement.cxx.

{
  m_previousInR=element;
}

strawAxis()

Amg::Vector3D InDetDD::TRT_BaseElement::strawAxis ( int  straw ) const

inherited

Straw axis.

Always in direction of increasing eta. +ve z direction in barrel (for both +ve and -ve half) Away from beam pipe in -ve z endcap, Towards beam pipe in +ve endcap.

Definition at line 154 of file TRT_BaseElement.cxx.

{
  return (strawTransform(straw).linear() * Amg::Vector3D::UnitZ() *
          strawDirection());
}

strawBounds()

const Trk::SurfaceBounds & InDetDD::TRT_BarrelElement::strawBounds ( ) const

finaloverridevirtual

Surface bounds.

Implements InDetDD::TRT_BaseElement.

Definition at line 153 of file TRT_BarrelElement.cxx.

{
  return m_descriptor->strawBounds();
}

strawCenter()

const Amg::Vector3D & InDetDD::TRT_BaseElement::strawCenter ( int  straw ) const

inherited

Straw Surface: Local -> global transform of the straw via integer.

Definition at line 143 of file TRT_BaseElement.cxx.

{
  if (!m_strawSurfacesCache[straw]) {
    Identifier id = m_idHelper->straw_id(identify(), straw);
    createSurfaceCache(id);
  }
  // forward the transform of the cache
  return m_strawSurfacesCache[straw]->center();
}

strawDirection()

int InDetDD::TRT_BarrelElement::strawDirection ( ) const

finaloverridevirtual

StrawDirection.

+1 if axis is in same direction as local coordinate, -1 otherwise.

Implements InDetDD::TRT_BaseElement.

Definition at line 231 of file TRT_BarrelElement.cxx.

{
  // Return +1 if the straw local axis is in the same direction as the z axis, -1 otherwise.
  // The straw axis by convention goes in the direction away from the readout.
  // So for -ve endcap this is the positive z direction (we return +1) and in the
  // +ve endcap its in the -ve z direction (we return -1).
  //
  return !(m_code.isPosZ()) ? +1 : -1;
}

strawLength()

virtual const double& InDetDD::TRT_BarrelElement::strawLength ( ) const

finaloverridevirtual

Get the length of the straws (active length):

Implements InDetDD::TRT_BaseElement.

strawSurface()

const Trk::StraightLineSurface & InDetDD::TRT_BaseElement::strawSurface ( int  straw ) const

inherited

Straw Surface: access to the surface via integer.

Definition at line 121 of file TRT_BaseElement.cxx.

{
  if (!m_strawSurfaces[straw]) {
    // get the straw identifier to the given straw number and element identifier
    Identifier id = m_idHelper->straw_id(identify(), straw);
    createSurfaceCache(id);
  }
  return *(m_strawSurfaces[straw].get());
}

strawTransform() [1/2]

const Amg::Transform3D & InDetDD::TRT_BaseElement::strawTransform ( int  straw ) const

inherited

Straw Surface: Local -> global transform of the straw via integer.

Definition at line 132 of file TRT_BaseElement.cxx.

{
  if (!m_strawSurfacesCache[straw]) {
    Identifier id = m_idHelper->straw_id(identify(), straw);
    createSurfaceCache(id);
  }
  // forward the transform of the cache
  return m_strawSurfacesCache[straw]->transform();
}

strawTransform() [2/2]

const Amg::Transform3D & InDetDD::TRT_BaseElement::strawTransform ( unsigned int  straw ) const

inherited

Straw transform - fast access in array, in Tracking frame: Amg.

Straw Surface: access to the transform of individual straw in Tracking frame: Amg

Definition at line 89 of file TRT_BaseElement.cxx.

{
  if (!m_strawSurfacesCache[straw]) {
    Identifier id = m_idHelper->straw_id(identify(), straw);
    createSurfaceCache(id);
  }
  // forward the transform of the cache
  return m_strawSurfacesCache[straw]->transform();
}

strawXPos()

double InDetDD::TRT_BarrelElement::strawXPos ( unsigned int  i ) const

inline

Get X Position: DEPRECATED.

Please use starwCenter(i).x()

strawYPos()

double InDetDD::TRT_BarrelElement::strawYPos ( unsigned int  i ) const

inline

Get Y Position: DEPRECATED.

Please use starwCenter(i).y()

strawZPos()

double InDetDD::TRT_BarrelElement::strawZPos ( unsigned int  i ) const

inline

Get Z Position: (active center) DEPRECATED.

Please use starwCenter(i).z()

surface() [1/2]

virtual const Trk::Surface& InDetDD::TRT_BaseElement::surface ( ) const

finaloverridevirtualinherited

Element Surface: access to the Surface (straw layer)

Implements Trk::TrkDetElementBase.

surface() [2/2]

const Trk::Surface & InDetDD::TRT_BaseElement::surface ( const Identifier &  id ) const

finaloverridevirtualinherited

Straw Surface: access to the surface via identifier.

Implements Trk::TrkDetElementBase.

Definition at line 48 of file TRT_BaseElement.cxx.

{
  int straw = m_idHelper->straw(id);
  if (!m_strawSurfaces[straw]) {
    createSurfaceCache(id);
  }
  return *(m_strawSurfaces[straw]);
}

surfaces()

const std::vector< const Trk::Surface * > & InDetDD::TRT_BaseElement::surfaces ( ) const

inherited

Returns the full list of all detection surfaces associated to this detector element.

Definition at line 58 of file TRT_BaseElement.cxx.

{
  if (!m_surfaces.isValid()) {
    std::vector<const Trk::Surface*> tmp_surfaces;
    tmp_surfaces.reserve(nStraws());
    for (unsigned is = 0; is < nStraws(); ++is) {
      tmp_surfaces.push_back(&strawSurface(is));
    }
    m_surfaces.set(tmp_surfaces);
  }
  return *(m_surfaces.ptr());
}

transform() [1/2]

virtual const Amg::Transform3D& InDetDD::TRT_BaseElement::transform ( ) const

finaloverridevirtualinherited

Element Surface: Get Transform of element in Tracking frame: Amg.

Implements Trk::TrkDetElementBase.

transform() [2/2]

const Amg::Transform3D & InDetDD::TRT_BaseElement::transform ( const Identifier &  id ) const

finaloverridevirtualinherited

Straw Surface: access to the transform of individual straw in Tracking frame: Amg.

Implements Trk::TrkDetElementBase.

Definition at line 78 of file TRT_BaseElement.cxx.

{
  int straw = m_idHelper->straw(id);
  if (!m_strawSurfacesCache[straw]) {
    createSurfaceCache(id);
  }
  // forward the transform of the cache
  return m_strawSurfacesCache[straw]->transform();
}

type()

virtual TRT_BaseElement::Type InDetDD::TRT_BarrelElement::type ( ) const

finaloverridevirtual

Type information.

Implements InDetDD::TRT_BaseElement.

updateAllCaches()

void InDetDD::TRT_BaseElement::updateAllCaches ( GeoAlignmentStore *  alignStore = nullptr )

inherited

Update all caches.

Definition at line 209 of file TRT_BaseElement.cxx.

{
  // delete the caches first
  deleteCache();
  // Strawlayer caches
  if (!m_surfaceCache.isValid()){
    createSurfaceCache(alignStore);
  }
  // Loop over all straws and request items that get cached.
  for (unsigned int iStraw = 0; iStraw < nStraws(); iStraw++) {
    Identifier strawId = m_idHelper->straw_id(identify(), iStraw);
    createSurfaceCache(strawId,alignStore);
  }
}

Member Data Documentation

m_code

TRT_BarrelCode InDetDD::TRT_BarrelElement::m_code

private

Definition at line 136 of file TRT_BarrelElement.h.

m_conditions

const TRT_Conditions* InDetDD::TRT_BaseElement::m_conditions =nullptr

protectedinherited

Definition at line 208 of file TRT_BaseElement.h.

m_descriptor

const TRT_BarrelDescriptor* InDetDD::TRT_BarrelElement::m_descriptor

private

Definition at line 137 of file TRT_BarrelElement.h.

m_id

Identifier InDetDD::TRT_BaseElement::m_id

protectedinherited

Definition at line 199 of file TRT_BaseElement.h.

m_idHash

IdentifierHash InDetDD::TRT_BaseElement::m_idHash

protectedinherited

Definition at line 200 of file TRT_BaseElement.h.

m_idHelper

const TRT_ID* InDetDD::TRT_BaseElement::m_idHelper =nullptr

protectedinherited

Definition at line 207 of file TRT_BaseElement.h.

m_nextInPhi

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::m_nextInPhi

private

Definition at line 138 of file TRT_BarrelElement.h.

m_nextInR

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::m_nextInR

private

Definition at line 140 of file TRT_BarrelElement.h.

m_nstraws

unsigned int InDetDD::TRT_BaseElement::m_nstraws = 0

protectedinherited

Definition at line 206 of file TRT_BaseElement.h.

m_previousInPhi

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::m_previousInPhi

private

Definition at line 139 of file TRT_BarrelElement.h.

m_previousInR

const TRT_BarrelElement* InDetDD::TRT_BarrelElement::m_previousInR

private

Definition at line 141 of file TRT_BarrelElement.h.

m_strawSurfaces

std::vector<CxxUtils::CachedUniquePtr<Trk::StraightLineSurface> > InDetDD::TRT_BaseElement::m_strawSurfaces {}

protectedinherited

Definition at line 211 of file TRT_BaseElement.h.

m_strawSurfacesCache

std::vector<CxxUtils::CachedUniquePtr<SurfaceCacheBase> > InDetDD::TRT_BaseElement::m_strawSurfacesCache {}

protectedinherited

helper element surface for the cache

Definition at line 212 of file TRT_BaseElement.h.

m_surface

CxxUtils::CachedUniquePtr<Trk::Surface> InDetDD::TRT_BaseElement::m_surface

protectedinherited

Definition at line 209 of file TRT_BaseElement.h.

m_surfaceCache

CxxUtils::CachedValue<SurfaceCache> InDetDD::TRT_BaseElement::m_surfaceCache

protectedinherited

Definition at line 215 of file TRT_BaseElement.h.

m_surfaces

CxxUtils::CachedValue<std::vector<const Trk::Surface*> > InDetDD::TRT_BaseElement::m_surfaces

protectedinherited

Definition at line 214 of file TRT_BaseElement.h.

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

• TRT_BarrelElement.h
• TRT_BarrelElement.cxx