meshlib.mrmeshpy.Matrix3f Class Reference

Public Member Functions
Matrix3f	__iadd__ (self, Matrix3f b)
Matrix3f	__imatmul__ (self, float b)
None	__init__ (self)
None	__init__ (self, Vector3f x, Vector3f y, Vector3f z)
None	__init__ (self, Matrix3f m)
None	__init__ (self, Matrix3d m)
None	__init__ (self, Matrix3f arg0)
Matrix3f	__isub__ (self, Matrix3f b)
Matrix3f	__itruediv__ (self, float b)
Vector3f	__mul__ (self, Vector3f b)
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
Matrix3f	approximateLinearRotationMatrixFromEuler (Vector3f eulerAngles)
Matrix3f	fromColumns (Vector3f x, Vector3f y, Vector3f z)
Matrix3f	fromRows (Vector3f x, Vector3f y, Vector3f z)
Matrix3f	identity ()
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 ()

Protected Member Functions
Vector3f	_Subscript (self, int row)
Vector3f	_Subscript (self, int row)

Detailed Description

Generated from:  MR::Matrix3f
Aliases:  Matrix3_float, Vector3_float_MatrixType, AffineXf_Vector3f_M, AffineXf_Vector3f_M, Matrix3_float, Matrix3_float

arbitrary 3x3 matrix
\\ingroup MatrixGroup

Constructor & Destructor Documentation

__init__() [1/5]

None meshlib.mrmeshpy.Matrix3f.__init__

(

self

)

__init__() [2/5]

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

initializes matrix from its 3 rows

__init__() [3/5]

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

__init__() [4/5]

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

__init__() [5/5]

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

Implicit copy constructor.

Member Function Documentation

__iadd__()

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

__imatmul__()

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

__isub__()

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

__itruediv__()

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

__mul__()

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

x = a * b

_Subscript() [1/2]

Vector3f meshlib.mrmeshpy.Matrix3f._Subscript ( self, int row )

protected

row access

_Subscript() [2/2]

Vector3f meshlib.mrmeshpy.Matrix3f._Subscript ( self, int row )

protected

approximateLinearRotationMatrixFromEuler()

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

column access

det()

float meshlib.mrmeshpy.Matrix3f.det

(

self

)

computes determinant of the matrix

fromColumns()

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

static

constructs a matrix from its 3 rows

identity()

Matrix3f meshlib.mrmeshpy.Matrix3f.identity ( )

static

inverse()

Matrix3f meshlib.mrmeshpy.Matrix3f.inverse

(

self

)

computes inverse matrix

norm()

float meshlib.mrmeshpy.Matrix3f.norm

(

self

)

normSq()

float meshlib.mrmeshpy.Matrix3f.normSq

(

self

)

compute sum of squared matrix elements

qr()

Matrix3_float_QR meshlib.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 meshlib.mrmeshpy.Matrix3f.rotation ( Vector3f axis, float angle )

static

creates matrix representing rotation around given axis on given angle

rotation() [2/2]

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

static

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

rotationFromEuler()

Matrix3f meshlib.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 meshlib.mrmeshpy.Matrix3f.scale ( float s )

static

returns a matrix that scales uniformly

scale() [2/3]

Matrix3f meshlib.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 meshlib.mrmeshpy.Matrix3f.scale ( Vector3f s )

static

toEulerAngles()

Vector3f meshlib.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 meshlib.mrmeshpy.Matrix3f.trace

(

self

)

computes trace of the matrix

transposed()

Matrix3f meshlib.mrmeshpy.Matrix3f.transposed

(

self

)

computes transposed matrix

x() [1/2]

Vector3f meshlib.mrmeshpy.Matrix3f.x

(

self

)

rows, identity matrix by default

x() [2/2]

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

zero()

Matrix3f meshlib.mrmeshpy.Matrix3f.zero ( )

static

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

• mrmeshpy.pyi