mrmeshpy.Matrix3f Class Reference

Public Member Functions
Matrix3f	__add__ (self, Matrix3f b)
bool	__eq__ (self, Matrix3f b)
Vector3f	__getitem__ (self, int row)
Vector3f	__getitem__ (self, int row)
Matrix3f	__iadd__ (self, Matrix3f b)
Matrix3f	__imatmul__ (self, float b)
None	__init__ (self, Quaternionf arg0)
None	__init__ (self)
None	__init__ (self, Vector3f x, Vector3f y, Vector3f z)
None	__init__ (self, Matrix3f m)
None	__init__ (self, Matrix3d m)
Matrix3f	__isub__ (self, Matrix3f b)
Matrix3f	__itruediv__ (self, float b)
Matrix3f	__mul__ (self, float a)
Vector3f	__mul__ (self, Vector3f b)
Matrix3f	__mul__ (self, Matrix3f b)
bool	__ne__ (self, Matrix3f b)
str	__repr__ (self)
Matrix3f	__rmul__ (self, float b)
None	__setitem__ (self, int arg0, Vector3f arg1)
Matrix3f	__sub__ (self, Matrix3f b)
Matrix3f	__truediv__ (self, float a)
Vector3f	col (self, int i)
float	det (self)
Matrix3f	inverse (self)
float	norm (self)
float	normSq (self)
Matrix3_float_QR	qr (self)
Vector3f	toEulerAngles (self)
float	trace (self)
Matrix3f	transposed (self)
Vector3f	x (self)
None	x (self, Vector3f arg1)

Static Public Member Functions
None	__init__ (*args, **kwargs)
Matrix3f	approximateLinearRotationMatrixFromEuler (Vector3f eulerAngles)
Matrix3f	fromColumns (Vector3f x, Vector3f y, Vector3f z)
Matrix3f	fromRows (Vector3f x, Vector3f y, Vector3f z)
Matrix3f	identity ()
Matrix3f	operator (*args, **kwargs)
Matrix3f	operator (*args, **kwargs)
Matrix3f	rotation (Vector3f axis, float angle)
Matrix3f	rotation (Vector3f from_, Vector3f to)
Matrix3f	rotationFromEuler (Vector3f eulerAngles)
Matrix3f	scale (float s)
Matrix3f	scale (float sx, float sy, float sz)
Matrix3f	scale (Vector3f s)
Matrix3f	zero ()

Static Protected Attributes
typing	_offsetof_x = 0
typing	_offsetof_y = 12
typing	_offsetof_z = 24

Detailed Description

Generated from:  MR::Matrix3f
Aliases:  Vector3_float_MatrixType, AffineXf_Vector3f_M

arbitrary 3x3 matrix
\\ingroup MatrixGroup

Constructor & Destructor Documentation

__init__() [1/6]

None mrmeshpy.Matrix3f.__init__ ( * args, ** kwargs )

static

__init__() [2/6]

None mrmeshpy.Matrix3f.__init__	(		self,
		Quaternionf	arg0 )

converts this into 3x3 rotation matrix

__init__() [3/6]

None mrmeshpy.Matrix3f.__init__

(

self

)

__init__() [4/6]

None mrmeshpy.Matrix3f.__init__	(		self,
		Vector3f	x,
		Vector3f	y,
		Vector3f	z )

initializes matrix from its 3 rows

__init__() [5/6]

None mrmeshpy.Matrix3f.__init__	(		self,
		Matrix3f	m )

__init__() [6/6]

None mrmeshpy.Matrix3f.__init__	(		self,
		Matrix3d	m )

Member Function Documentation

__add__()

Matrix3f mrmeshpy.Matrix3f.__add__	(		self,
		Matrix3f	b )

NOTE: We use `std::declval()` in the operators below because libclang 18 in our binding generator is bugged and chokes on decltyping `a.x` and such. TODO fix this when we update libclang.

__eq__()

bool mrmeshpy.Matrix3f.__eq__	(		self,
		Matrix3f	b )

__getitem__() [1/2]

Vector3f mrmeshpy.Matrix3f.__getitem__	(		self,
		int	row )

row access

__getitem__() [2/2]

Vector3f mrmeshpy.Matrix3f.__getitem__	(		self,
		int	row )

__iadd__()

Matrix3f mrmeshpy.Matrix3f.__iadd__	(		self,
		Matrix3f	b )

__imatmul__()

Matrix3f mrmeshpy.Matrix3f.__imatmul__	(		self,
		float	b )

__isub__()

Matrix3f mrmeshpy.Matrix3f.__isub__	(		self,
		Matrix3f	b )

__itruediv__()

Matrix3f mrmeshpy.Matrix3f.__itruediv__	(		self,
		float	b )

__mul__() [1/3]

Matrix3f mrmeshpy.Matrix3f.__mul__	(		self,
		float	a )

__mul__() [2/3]

Matrix3f mrmeshpy.Matrix3f.__mul__	(		self,
		Matrix3f	b )

product of two matrices

__mul__() [3/3]

Vector3f mrmeshpy.Matrix3f.__mul__	(		self,
		Vector3f	b )

x = a * b

__ne__()

bool mrmeshpy.Matrix3f.__ne__	(		self,
		Matrix3f	b )

__repr__()

str mrmeshpy.Matrix3f.__repr__

(

self

)

__rmul__()

Matrix3f mrmeshpy.Matrix3f.__rmul__	(		self,
		float	b )

__setitem__()

None mrmeshpy.Matrix3f.__setitem__	(		self,
		int	arg0,
		Vector3f	arg1 )

__sub__()

Matrix3f mrmeshpy.Matrix3f.__sub__	(		self,
		Matrix3f	b )

__truediv__()

Matrix3f mrmeshpy.Matrix3f.__truediv__	(		self,
		float	a )

approximateLinearRotationMatrixFromEuler()

Matrix3f mrmeshpy.Matrix3f.approximateLinearRotationMatrixFromEuler ( Vector3f eulerAngles )

static

returns linear by angles approximation of the rotation matrix, which is close to true rotation matrix for small angles

col()

Vector3f mrmeshpy.Matrix3f.col	(		self,
		int	i )

column access

det()

float mrmeshpy.Matrix3f.det

(

self

)

computes determinant of the matrix

fromColumns()

Matrix3f mrmeshpy.Matrix3f.fromColumns ( Vector3f x, Vector3f y, Vector3f z )

static

constructs a matrix from its 3 columns;
use this method to get the matrix that transforms basis vectors ( plusX, plusY, plusZ ) into vectors ( x, y, z ) respectively

fromRows()

Matrix3f mrmeshpy.Matrix3f.fromRows ( Vector3f x, Vector3f y, Vector3f z )

static

constructs a matrix from its 3 rows

identity()

Matrix3f mrmeshpy.Matrix3f.identity ( )

static

inverse()

Matrix3f mrmeshpy.Matrix3f.inverse

(

self

)

computes inverse matrix

norm()

float mrmeshpy.Matrix3f.norm

(

self

)

normSq()

float mrmeshpy.Matrix3f.normSq

(

self

)

compute sum of squared matrix elements

operator() [1/2]

Matrix3f mrmeshpy.Matrix3f.operator ( * args, ** kwargs )

static

operator() [2/2]

Matrix3f mrmeshpy.Matrix3f.operator ( * args, ** kwargs )

static

qr()

Matrix3_float_QR mrmeshpy.Matrix3f.qr

(

self

)

decompose this matrix on the product Q*R, where Q is orthogonal and R is upper triangular

rotation() [1/2]

Matrix3f mrmeshpy.Matrix3f.rotation ( Vector3f axis, float angle )

static

creates matrix representing rotation around given axis on given angle

rotation() [2/2]

Matrix3f mrmeshpy.Matrix3f.rotation ( Vector3f from_, Vector3f to )

static

creates matrix representing rotation that after application to (from) makes (to) vector

rotationFromEuler()

Matrix3f mrmeshpy.Matrix3f.rotationFromEuler ( Vector3f eulerAngles )

static

creates matrix representing rotation from 3 Euler angles: R=R(z)*R(y)*R(x)
see more https://en.wikipedia.org/wiki/Euler_angles#Conventions_by_intrinsic_rotations

scale() [1/3]

Matrix3f mrmeshpy.Matrix3f.scale ( float s )

static

returns a matrix that scales uniformly

scale() [2/3]

Matrix3f mrmeshpy.Matrix3f.scale ( float sx, float sy, float sz )

static

returns a matrix that has its own scale along each axis

scale() [3/3]

Matrix3f mrmeshpy.Matrix3f.scale ( Vector3f s )

static

toEulerAngles()

Vector3f mrmeshpy.Matrix3f.toEulerAngles

(

self

)

returns 3 Euler angles, assuming this is a rotation matrix composed as follows: R=R(z)*R(y)*R(x)

trace()

float mrmeshpy.Matrix3f.trace

(

self

)

computes trace of the matrix

transposed()

Matrix3f mrmeshpy.Matrix3f.transposed

(

self

)

computes transposed matrix

x() [1/2]

Vector3f mrmeshpy.Matrix3f.x

(

self

)

rows, identity matrix by default

x() [2/2]

None mrmeshpy.Matrix3f.x	(		self,
		Vector3f	arg1 )

zero()

Matrix3f mrmeshpy.Matrix3f.zero ( )

static

Member Data Documentation

_offsetof_x

typing mrmeshpy.Matrix3f._offsetof_x = 0

staticprotected

_offsetof_y

typing mrmeshpy.Matrix3f._offsetof_y = 12

staticprotected

_offsetof_z

typing mrmeshpy.Matrix3f._offsetof_z = 24

staticprotected

---

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

• mrmeshpy.pyi