#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 ()
	Update all caches. More...

const TRT_Conditions *	conditions () const
	Return the TRT_Conditions object associated to this Detector element. More...

void	createSurfaceCache (Identifier id) 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) 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 () 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 44 of file TRT_BarrelElement.h.

Member Enumeration Documentation

◆ Type

enum InDetDD::TRT_BaseElement::Type

inherited

Enumerator
BARREL
ENDCAP

Definition at line 61 of file TRT_BaseElement.h.

61 {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 ) 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()*((*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 ( ) 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 ) 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));
   }
   // 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 193 of file TRT_BaseElement.h.

193 {};

◆ 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 ( )

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();
   }
   // 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);
   }
 }

Definition at line 216 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 217 of file TRT_BaseElement.h.

◆ m_surface

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

protectedinherited

Definition at line 214 of file TRT_BaseElement.h.

◆ m_surfaceCache

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

protectedinherited

Definition at line 220 of file TRT_BaseElement.h.

◆ m_surfaces

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

protectedinherited

Definition at line 219 of file TRT_BaseElement.h.

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

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

◆ Type

Constructor & Destructor Documentation

◆ TRT_BarrelElement() [1/2]

◆ TRT_BarrelElement() [2/2]

◆ ~TRT_BarrelElement()

Member Function Documentation

◆ bounds() [1/2]

◆ bounds() [2/2]

◆ calculateLocalStrawTransform()

◆ calculateStrawTransform()

◆ center() [1/2]

◆ center() [2/2]

◆ conditions()

◆ createSurfaceCache() [1/2]

◆ createSurfaceCache() [2/2]

◆ createSurfaceCacheHelper()

◆ defTransform()

◆ deleteCache()

◆ detectorType()

◆ detectorTypeString()

◆ elementSurface()

◆ getAbsoluteTransform()

◆ getCode()

◆ getConditionsData()

◆ getDescriptor()

◆ identify()

◆ identifyHash()

◆ invalidate()

◆ invalidateOther()

◆ nextInPhi()

◆ nextInR()

◆ normal() [1/2]

◆ normal() [2/2]

◆ nStraws()

◆ operator=()

◆ previousInPhi()

◆ previousInR()

◆ setNextInPhi()

◆ setNextInR()

◆ setPreviousInPhi()

◆ setPreviousInR()

◆ strawAxis()

◆ strawBounds()

◆ strawCenter()

◆ strawDirection()

◆ strawLength()

◆ strawSurface()

◆ strawTransform() [1/2]

◆ strawTransform() [2/2]

◆ strawXPos()

◆ strawYPos()

◆ strawZPos()

◆ surface() [1/2]

◆ surface() [2/2]

◆ surfaces()

◆ transform() [1/2]

◆ transform() [2/2]

◆ type()

◆ updateAllCaches()

Member Data Documentation

◆ m_code

◆ m_conditions

◆ m_descriptor

◆ m_id

◆ m_idHash

◆ m_idHelper

◆ m_nextInPhi

◆ m_nextInR

◆ m_nstraws

◆ m_previousInPhi

◆ m_previousInR

◆ m_strawSurfaces