Trk::PrepRawDataComparisonFunction Class Reference

Class providing comparison function, or relational definition, for PrepRawData. More...

#include <PrepRawDataComparisonFunction.h>

Collaboration diagram for Trk::PrepRawDataComparisonFunction:

Public Member Functions
	PrepRawDataComparisonFunction (const Amg::Vector3D &sp, const Amg::Vector3D &dir)
	Full relation definition using a straight line propagation.
	PrepRawDataComparisonFunction ()=delete
	PrepRawDataComparisonFunction (const PrepRawDataComparisonFunction &PCF)=default
	PrepRawDataComparisonFunction (PrepRawDataComparisonFunction &&PCF)=default
PrepRawDataComparisonFunction &	operator= (const PrepRawDataComparisonFunction &PCF)=default
PrepRawDataComparisonFunction &	operator= (PrepRawDataComparisonFunction &&PCF)=default
	~PrepRawDataComparisonFunction ()=default
bool	operator() (const Trk::PrepRawData *one, const Trk::PrepRawData *two) const
	The comparison function defining in what case a PRD is 'smaller' than a second one.

Private Member Functions
double	pathIntersectWithPlane (const Trk::PlaneSurface &psf) const
double	pathIntersectWithLine (const Trk::StraightLineSurface &lsf) const
double	pathIntersectWithDisc (const Trk::DiscSurface &dsf) const

Private Attributes
Amg::Vector3D	m_point
Amg::Vector3D	m_direction

Detailed Description

Class providing comparison function, or relational definition, for PrepRawData.

Definition at line 32 of file PrepRawDataComparisonFunction.h.

Constructor & Destructor Documentation

PrepRawDataComparisonFunction() [1/4]

Trk::PrepRawDataComparisonFunction::PrepRawDataComparisonFunction ( const Amg::Vector3D & sp, const Amg::Vector3D & dir )

inline

Full relation definition using a straight line propagation.

Definition at line 36 of file PrepRawDataComparisonFunction.h.

    : m_point(sp)
    , m_direction(dir.unit())
  {}

PrepRawDataComparisonFunction() [2/4]

Trk::PrepRawDataComparisonFunction::PrepRawDataComparisonFunction ( )

delete

PrepRawDataComparisonFunction() [3/4]

Trk::PrepRawDataComparisonFunction::PrepRawDataComparisonFunction ( const PrepRawDataComparisonFunction & PCF )

default

PrepRawDataComparisonFunction() [4/4]

Trk::PrepRawDataComparisonFunction::PrepRawDataComparisonFunction ( PrepRawDataComparisonFunction && PCF )

default

~PrepRawDataComparisonFunction()

Trk::PrepRawDataComparisonFunction::~PrepRawDataComparisonFunction ( )

default

Member Function Documentation

operator()()

bool Trk::PrepRawDataComparisonFunction::operator() ( const Trk::PrepRawData * one, const Trk::PrepRawData * two ) const

inline

The comparison function defining in what case a PRD is 'smaller' than a second one.

Definition at line 57 of file PrepRawDataComparisonFunction.h.

  {
 
    // --- identify the surface type and get intersection path for surface 1
    //
    double path1 = 0;
    const Trk::Surface& sf1 = one->detectorElement()->surface(one->identify());
    const Trk::SurfaceType surfType1  = sf1.type();
    switch (surfType1) {
      case Trk::SurfaceType::Plane: {
        const Trk::PlaneSurface& opsf =
          static_cast<const Trk::PlaneSurface&>(sf1);
        path1 = this->pathIntersectWithPlane(opsf);
      } break;
      case Trk::SurfaceType::Line: {
        const Trk::StraightLineSurface& ossf =
          static_cast<const Trk::StraightLineSurface&>(sf1);
        path1 = this->pathIntersectWithLine(ossf);
      } break;
      case Trk::SurfaceType::Disc: {
        const Trk::DiscSurface& odsf =
          static_cast<const Trk::DiscSurface&>(sf1);
        path1 = this->pathIntersectWithDisc(odsf);
      } break;
      default: {
        throw std::runtime_error(
          "PrepRawDataComparisonFunction: surface type error!");
      }
    } // --- no raw data on Cylinder. Ever.
 
    // --- identify the surface type and get intersection path for surface 1
    //
    double path2 = 0;
    const Trk::Surface& sf2 = two->detectorElement()->surface(two->identify());
    const Trk::SurfaceType surfType2 = sf2.type();
    switch (surfType2) {
      case Trk::SurfaceType::Plane: {
        const Trk::PlaneSurface& opsf =
          static_cast<const Trk::PlaneSurface&>(sf2);
        path2 = this->pathIntersectWithPlane(opsf);
      } break;
      case Trk::SurfaceType::Line: {
        const Trk::StraightLineSurface& ossf =
          static_cast<const Trk::StraightLineSurface&>(sf2);
        path2 = this->pathIntersectWithLine(ossf);
      } break;
      case Trk::SurfaceType::Disc: {
        const Trk::DiscSurface& odsf =
          static_cast<const Trk::DiscSurface&>(sf2);
        path2 = this->pathIntersectWithDisc(odsf);
      } break;
      default: {
        throw std::runtime_error(
          "PrepRawDataComparisonFunction: surface type error!");
      }
    } // --- no raw data on Cylinder. Ever.
 
    return path1 < path2;
  }

operator=() [1/2]

PrepRawDataComparisonFunction & Trk::PrepRawDataComparisonFunction::operator= ( const PrepRawDataComparisonFunction & PCF )

default

operator=() [2/2]

PrepRawDataComparisonFunction & Trk::PrepRawDataComparisonFunction::operator= ( PrepRawDataComparisonFunction && PCF )

default

pathIntersectWithDisc()

double Trk::PrepRawDataComparisonFunction::pathIntersectWithDisc ( const Trk::DiscSurface & dsf ) const

inlineprivate

Definition at line 142 of file PrepRawDataComparisonFunction.h.

  {
    double denom = m_direction.dot(dsf.normal());
    return (denom) ? dsf.normal().dot(dsf.center() - m_point) / (denom)
                   : denom;
  }

pathIntersectWithLine()

double Trk::PrepRawDataComparisonFunction::pathIntersectWithLine ( const Trk::StraightLineSurface & lsf ) const

inlineprivate

Definition at line 129 of file PrepRawDataComparisonFunction.h.

  {
    Amg::Vector3D dirWire(lsf.transform().rotation().col(2).unit());
    Amg::Vector3D trackToWire(lsf.center() - m_point);
    double parallelity = m_direction.dot(dirWire);
    double denom = 1 - parallelity * parallelity;
    return (std::abs(denom) > 10e-7)
             ? (trackToWire.dot(m_direction) -
                trackToWire.dot(dirWire) * parallelity) /
                 denom
             : 0.;
  }

pathIntersectWithPlane()

double Trk::PrepRawDataComparisonFunction::pathIntersectWithPlane ( const Trk::PlaneSurface & psf ) const

inlineprivate

Definition at line 122 of file PrepRawDataComparisonFunction.h.

  {
    double denom = m_direction.dot(psf.normal()); 
    return (denom) ? psf.normal().dot(psf.center() - m_point) / (denom)
                   : denom;
  }

Member Data Documentation

m_direction

Amg::Vector3D Trk::PrepRawDataComparisonFunction::m_direction

private

Definition at line 120 of file PrepRawDataComparisonFunction.h.

m_point

Amg::Vector3D Trk::PrepRawDataComparisonFunction::m_point

private

Definition at line 119 of file PrepRawDataComparisonFunction.h.

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

• PrepRawDataComparisonFunction.h