dd4hep::detail::matrix Namespace Reference

Namespace for the AIDA detector description matrix helpers. More...

Enumerations
enum	MatrixEqualityCode { MATRICES_EQUAL = 1, MATRICES_DIFFER_TRANSLATION = 2, MATRICES_DIFFER_ROTATION = 4 }

Functions
TGeoIdentity *	_identity ()
	Access the TGeo identity transformation. More...
ROOT::Math::XYZVector	_scale (const TGeoMatrix *matrix)
	Extract the scale part of a TGeoMatrix. More...
ROOT::Math::XYZVector	_scale (const TGeoMatrix &matrix)
	Extract the scale part of a TGeoMatrix. More...
TGeoTranslation *	_translation (const Position &pos)
	Convert a Position object to a TGeoTranslation. More...
Position	_translation (const TGeoMatrix *matrix)
	Extract the translational component of a TGeoMatrix as a Position. More...
Position	_translation (const TGeoMatrix &matrix)
	Extract the translational component of a TGeoMatrix as a Position. More...
TGeoRotation *	_rotationZYX (const RotationZYX &rot)
	Convert a RotationZYX object to a newly created TGeoRotation. More...
TGeoRotation *	_rotation3D (const Rotation3D &rot)
	Convert a Rotation3D object to a newly createdTGeoRotation. More...
Rotation3D	_rotation3D (const TGeoMatrix *matrix)
	Extract the rotational part of a TGeoMatrix as a Rotation3D. More...
Rotation3D	_rotation3D (const TGeoMatrix &matrix)
	Extract the rotational part of a TGeoMatrix as a Rotation3D. More...
TGeoHMatrix *	_transform (const Transform3D &trans)
	Convert a Transform3D object to a newly created TGeoHMatrix. More...
TGeoHMatrix *	_transform (const Position &pos)
	Convert a Position object to a newly created TGeoHMatrix. More...
TGeoHMatrix *	_transform (const RotationZYX &rot)
	Convert a RotationZYX object to a newly created TGeoHMatrix. More...
TGeoHMatrix *	_transform (const Rotation3D &rot3D)
	Convert a Rotation3D object to a newly created TGeoHMatrix. More...
TGeoHMatrix *	_transform (const Position &pos, const RotationZYX &rot)
	Convert a Position followed by a RotationZYX to a newly created TGeoHMatrix. More...
TGeoHMatrix &	_transform (TGeoHMatrix &mat, const Transform3D &trans)
	Set a Transform3D object to a TGeoHMatrix. More...
TGeoHMatrix &	_transform (TGeoHMatrix &mat, const Position &pos)
	Set a Position object (translation) to a TGeoHMatrix. More...
TGeoHMatrix &	_transform (TGeoHMatrix &mat, const RotationZYX &rot)
	Set a RotationZYX object to a TGeoHMatrix. More...
TGeoHMatrix &	_transform (TGeoHMatrix &mat, const Rotation3D &rot3D)
	Set a Rotation3D object to a TGeoHMatrix. More...
TGeoHMatrix &	_transform (TGeoHMatrix &mat, const Position &pos, const RotationZYX &rot)
	Set a Position followed by a RotationZYX to a TGeoHMatrix. More...
Transform3D	_transform (const TGeoMatrix *matrix)
	Convert a TGeoMatrix object to a generic Transform3D. More...
Transform3D	_transform (const TGeoMatrix &matrix)
void	_transform (const TGeoMatrix *matrix, Transform3D &trafo)
	Convert a generic ROOT Matrix into a generic transformation Transform3D. More...
void	_transform (const TGeoMatrix &matrix, Transform3D &trafo)
	Convert a generic ROOT Matrix into a generic transformation Transform3D. More...
void	_decompose (const TGeoMatrix &matrix, Position &pos, Rotation3D &rot)
	Decompose a generic ROOT Matrix into a translation (Position) and a Rotation3D. More...
void	_decompose (const TGeoMatrix &matrix, Position &pos, RotationZYX &rot)
	Decompose a generic ROOT Matrix into a translation (Position) and a RotationZYX. More...
void	_decompose (const TGeoMatrix &matrix, Position &pos, XYZAngles &rot)
	Decompose a generic ROOT Matrix into a translation (Position) and XYZAngles. More...
void	_decompose (const Transform3D &matrix, Position &pos, Rotation3D &rot)
	Decompose a generic Transform3D into a translation (Position) and a Rotation3D. More...
void	_decompose (const Transform3D &matrix, Position &pos, RotationZYX &rot)
	Decompose a generic Transform3D into a translation (Position) and a RotationZYX. More...
void	_decompose (const Transform3D &matrix, Position &pos, XYZAngles &rot)
	Decompose a generic Transform3D into a translation (Position) and XYZAngles. More...
void	_decompose (const Transform3D &matrix, Translation3D &pos, RotationZYX &rot)
	Decompose a generic Transform3D into a translation (Translation3D) and a RotationZYX. More...
void	_decompose (const Transform3D &matrix, Translation3D &pos, XYZAngles &rot)
	Decompose a generic Transform3D into a translation (Translation3D) and XYZAngles. More...
void	_decompose (const Rotation3D &rot, Position &x, Position &y, Position &z)
	Decompose a Rotation3D into a 3 orthogonal unit vectors. More...
XYZAngles	_xyzAngles (const double *matrix)
	Convert a 3x3 rotation matrix to XYZAngles. More...
XYZAngles	_xyzAngles (const TGeoMatrix *matrix)
	Convert a the rotation part of a TGeoMatrix to XYZAngles. More...
double	determinant (const TGeoMatrix *matrix)
	Access determinant of rotation component (0 if no rotation present) More...
double	determinant (const TGeoMatrix &matrix)
	Access determinant of rotation component (0 if no rotation present) More...
double	determinant (const Transform3D &trafo)
	Access determinant of the rotation component of a Transform3D. More...
double	determinant (const Rotation3D &rot)
	Access determinant of a Rotation3D. More...
int	_matrixEqual (const TGeoMatrix &left, const TGeoMatrix &right)
	Check matrices for equality. More...

Detailed Description

Namespace for the AIDA detector description matrix helpers.

Enumeration Type Documentation

MatrixEqualityCode

enum dd4hep::detail::matrix::MatrixEqualityCode

Enumerator
MATRICES_EQUAL
MATRICES_DIFFER_TRANSLATION
MATRICES_DIFFER_ROTATION

Definition at line 120 of file MatrixHelpers.h.

Function Documentation

_decompose()

void dd4hep::detail::matrix::_decompose	(	const Rotation3D &	rot,
		Position &	x,
		Position &	y,
		Position &	z
	)

Decompose a Rotation3D into a 3 orthogonal unit vectors.

Definition at line 219 of file MatrixHelpers.cpp.

_matrixEqual()

int dd4hep::detail::matrix::_matrixEqual	(	const TGeoMatrix &	left,
		const TGeoMatrix &	right
	)

Check matrices for equality.

Return codes: MATRICES_EQUAL: matrices left and right are equal MATRICES_DIFFER_TRANSLATION: matrices differ in translation MATRICES_DIFFER_ROTATION: matrices differ in rotation or combination: MATRICES_DIFFER_TRANSLATION|MATRICES_DIFFER_ROTATION

Definition at line 277 of file MatrixHelpers.cpp.

_transform()

dd4hep::Transform3D dd4hep::detail::matrix::_transform

(

const TGeoMatrix &

matrix

)

Definition at line 164 of file MatrixHelpers.cpp.

determinant() [1/4]

double dd4hep::detail::matrix::determinant

(

const Rotation3D &

rot

)

Access determinant of a Rotation3D.

Definition at line 269 of file MatrixHelpers.cpp.

determinant() [2/4]

double dd4hep::detail::matrix::determinant

(

const TGeoMatrix &

matrix

)

Access determinant of rotation component (0 if no rotation present)

Definition at line 249 of file MatrixHelpers.cpp.

determinant() [3/4]

double dd4hep::detail::matrix::determinant

(

const TGeoMatrix *

matrix

)

Access determinant of rotation component (0 if no rotation present)

Definition at line 244 of file MatrixHelpers.cpp.

determinant() [4/4]

double dd4hep::detail::matrix::determinant

(

const Transform3D &

trafo

)

Access determinant of the rotation component of a Transform3D.

Definition at line 261 of file MatrixHelpers.cpp.