#include <SpacePoint.h>

Public Types
using	ID_t = int
	type of spacepoint ID More...

Public Member Functions
	SpacePoint ()

	SpacePoint (Double32_t const xyz, Double32_t const err, Double32_t chisq, int id=InvalidID)

ID_t	ID () const

const Double32_t *	XYZ () const

const Double32_t *	ErrXYZ () const

Double32_t	Chisq () const

geo::Point_t	position () const
	Returns the position of the point in world coordinates [cm]. More...

double	covariance (unsigned int i, unsigned int j) const

Static Public Member Functions
static constexpr std::size_t	covIndex (unsigned int i, unsigned int j)
	Returns the internal index of correlation structure for coordinates `i` and `j`. More...

Static Public Attributes
static constexpr ID_t	InvalidID = util::kBogusI
	Special value for an invalid ID. More...

Private Attributes
ID_t	fID
	Default constructor. More...

Double32_t	fXYZ [3]
	position of SpacePoint in xyz More...

Double32_t	fErrXYZ [6]
	Error matrix (lower triangular). More...

Double32_t	fChisq
	Chisquare. More...

Friends
std::ostream &	operator<< (std::ostream &o, const SpacePoint &a)

bool	operator< (const SpacePoint &a, const SpacePoint &b)

Detailed Description

Definition at line 23 of file SpacePoint.h.

Member Typedef Documentation

using recob::SpacePoint::ID_t = int

type of spacepoint ID

Definition at line 26 of file SpacePoint.h.

Constructor & Destructor Documentation

recob::SpacePoint::SpacePoint ( )

Definition at line 17 of file SpacePoint.cxx.

                          :
     fID(-1),
     fXYZ { 0.0 },
     fErrXYZ { 0.0 },
     fChisq(0.)
   {
   }

recob::SpacePoint::SpacePoint	(	Double32_t const *	xyz,
		Double32_t const *	err,
		Double32_t	chisq,
		int	id = `InvalidID`
	)

Definition at line 26 of file SpacePoint.cxx.

     : fID(id)
     , fChisq(chisq)
   {
     for(int i = 0; i < 3; ++i) fXYZ[i]    = xyz[i];
     for(int i = 0; i < 6; ++i) fErrXYZ[i] = err[i];
   }

Member Function Documentation

Double32_t recob::SpacePoint::Chisq ( ) const

inline

Definition at line 78 of file SpacePoint.h.

78 { return fChisq; }

recob::SpacePoint::fChisq

Double32_t fChisq

Chisquare.

Definition: SpacePoint.h:38

double recob::SpacePoint::covariance	(	unsigned int	i,
		unsigned int	j
	)		const

Returns the error matrix element for two position coordinates (0 for x, 1 for y and 2 for z)

Definition at line 38 of file SpacePoint.cxx.

                                                                     {
 
     return fErrXYZ[covIndex(i, j)];
 
   } // SpacePoint::covariance()

constexpr std::size_t recob::SpacePoint::covIndex	(	unsigned int	i,
		unsigned int	j
	)

static

Returns the internal index of correlation structure for coordinates i and j.

Definition at line 46 of file SpacePoint.cxx.

                                                                          {
 
     constexpr std::size_t offsets[3U] = { 0U, 1U, 3U };
 
     if (i < j) std::swap(i, j);
     return offsets[i] + j;
 
   } // SpacePoint::covIndex()

const Double32_t * recob::SpacePoint::ErrXYZ ( ) const

inline

Definition at line 77 of file SpacePoint.h.

77 { return fErrXYZ; }

recob::SpacePoint::fErrXYZ

Double32_t fErrXYZ[6]

Error matrix (lower triangular).

Definition: SpacePoint.h:37

recob::SpacePoint::ID_t recob::SpacePoint::ID ( ) const

inline

Definition at line 75 of file SpacePoint.h.

75 { return fID; }

recob::SpacePoint::fID

ID_t fID

Default constructor.

Definition: SpacePoint.h:35

geo::Point_t recob::SpacePoint::position ( ) const

inline

Returns the position of the point in world coordinates [cm].

Definition at line 80 of file SpacePoint.h.

80 { return geo::Point_t{ fXYZ[0], fXYZ[1], fXYZ[2] }; }

recob::SpacePoint::fXYZ

Double32_t fXYZ[3]

position of SpacePoint in xyz

Definition: SpacePoint.h:36

geo::Point_t

ROOT::Math::PositionVector3D< ROOT::Math::Cartesian3D< double >, ROOT::Math::GlobalCoordinateSystemTag > Point_t

Type for representation of position in physical 3D space.

Definition: geo_vectors.h:184

const Double32_t * recob::SpacePoint::XYZ ( ) const

inline

Definition at line 76 of file SpacePoint.h.

76 { return fXYZ; }

recob::SpacePoint::fXYZ

Double32_t fXYZ[3]

position of SpacePoint in xyz

Definition: SpacePoint.h:36

Friends And Related Function Documentation

bool operator<	(	const SpacePoint &	a,
		const SpacePoint &	b
	)

friend

Definition at line 74 of file SpacePoint.cxx.

   {
     if(a.ID() != b. ID())
       return a.ID()<b.ID();
 
     return false; //They are equal
 
   }

std::ostream& operator<<	(	std::ostream &	o,
		const SpacePoint &	a
	)

friend

Definition at line 58 of file SpacePoint.cxx.

   {
     o << std::setiosflags(std::ios::fixed) << std::setprecision(2);
     o << " SpacePoint ID " << std::setw(5) << std::right << a.ID()
       << " (X,Y,Z) = ("    << std::setw(5) << std::right << a.XYZ()[0]
       << " , "             << std::setw(5) << std::right << a.XYZ()[1]
       << " , "             << std::setw(5) << std::right << a.XYZ()[2]
       << ")" ;
 
     return o;
   }

Member Data Documentation

Double32_t recob::SpacePoint::fChisq

private

Chisquare.

Definition at line 38 of file SpacePoint.h.

Double32_t recob::SpacePoint::fErrXYZ[6]

private

Error matrix (lower triangular).

Definition at line 37 of file SpacePoint.h.

ID_t recob::SpacePoint::fID

private

Default constructor.

SpacePoint ID

Definition at line 35 of file SpacePoint.h.

Double32_t recob::SpacePoint::fXYZ[3]

private

position of SpacePoint in xyz

Definition at line 36 of file SpacePoint.h.

constexpr ID_t recob::SpacePoint::InvalidID = util::kBogusI

static

Special value for an invalid ID.

Definition at line 29 of file SpacePoint.h.

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

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation