meshlib.mrmeshpy.Matrix3d Class Reference

Public Member Functions
Matrix3d	__iadd__ (self, Matrix3d b)
Matrix3d	__imatmul__ (self, float b)
None	__init__ (self)
None	__init__ (self, Vector3d x, Vector3d y, Vector3d z)
None	__init__ (self, Matrix3d m)
None	__init__ (self, Matrix3d arg0)
Matrix3d	__isub__ (self, Matrix3d b)
Matrix3d	__itruediv__ (self, float b)
Vector3d	__mul__ (self, Vector3d b)
Matrix3d	__rmul__ (self, float b)
Vector3d	col (self, int i)
float	det (self)
Matrix3d	inverse (self)
float	norm (self)
float	normSq (self)
Matrix3_double_QR	qr (self)
Vector3d	toEulerAngles (self)
float	trace (self)
Matrix3d	transposed (self)
Vector3d	x (self)
None	x (self, Vector3d arg1)

Static Public Member Functions
Matrix3d	approximateLinearRotationMatrixFromEuler (Vector3d eulerAngles)
Matrix3d	fromColumns (Vector3d x, Vector3d y, Vector3d z)
Matrix3d	fromRows (Vector3d x, Vector3d y, Vector3d z)
Matrix3d	identity ()
Matrix3d	rotation (Vector3d axis, float angle)
Matrix3d	rotation (Vector3d from_, Vector3d to)
Matrix3d	rotationFromEuler (Vector3d eulerAngles)
Matrix3d	scale (float s)
Matrix3d	scale (float sx, float sy, float sz)
Matrix3d	scale (Vector3d s)
Matrix3d	zero ()

Protected Member Functions
Vector3d	_Subscript (self, int row)
Vector3d	_Subscript (self, int row)

Detailed Description

Generated from:  MR::Matrix3d
Aliases:  AffineXf_Vector3d_M, Matrix3_double, AffineXf_Vector3d_M, Matrix3_double, Matrix3_double, Vector3_double_MatrixType

arbitrary 3x3 matrix
\\ingroup MatrixGroup

Constructor & Destructor Documentation

__init__() [1/4]

None meshlib.mrmeshpy.Matrix3d.__init__

(

self

)

__init__() [2/4]

None meshlib.mrmeshpy.Matrix3d.__init__	(		self,
		Vector3d	x,
		Vector3d	y,
		Vector3d	z )

initializes matrix from its 3 rows

__init__() [3/4]

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

__init__() [4/4]

None meshlib.mrmeshpy.Matrix3d.__init__	(		self,
		Matrix3d	arg0 )

Implicit copy constructor.

Member Function Documentation

__iadd__()

Matrix3d meshlib.mrmeshpy.Matrix3d.__iadd__	(		self,
		Matrix3d	b )

__imatmul__()

Matrix3d meshlib.mrmeshpy.Matrix3d.__imatmul__	(		self,
		float	b )

__isub__()

Matrix3d meshlib.mrmeshpy.Matrix3d.__isub__	(		self,
		Matrix3d	b )

__itruediv__()

Matrix3d meshlib.mrmeshpy.Matrix3d.__itruediv__	(		self,
		float	b )

__mul__()

Vector3d meshlib.mrmeshpy.Matrix3d.__mul__	(		self,
		Vector3d	b )

x = a * b

__rmul__()

Matrix3d meshlib.mrmeshpy.Matrix3d.__rmul__	(		self,
		float	b )

_Subscript() [1/2]

Vector3d meshlib.mrmeshpy.Matrix3d._Subscript ( self, int row )

protected

row access

_Subscript() [2/2]

Vector3d meshlib.mrmeshpy.Matrix3d._Subscript ( self, int row )

protected

approximateLinearRotationMatrixFromEuler()

Matrix3d meshlib.mrmeshpy.Matrix3d.approximateLinearRotationMatrixFromEuler ( Vector3d eulerAngles )

static

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

col()

Vector3d meshlib.mrmeshpy.Matrix3d.col	(		self,
		int	i )

column access

det()

float meshlib.mrmeshpy.Matrix3d.det

(

self

)

computes determinant of the matrix

fromColumns()

Matrix3d meshlib.mrmeshpy.Matrix3d.fromColumns ( Vector3d x, Vector3d y, Vector3d 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()

Matrix3d meshlib.mrmeshpy.Matrix3d.fromRows ( Vector3d x, Vector3d y, Vector3d z )

static

constructs a matrix from its 3 rows

identity()

Matrix3d meshlib.mrmeshpy.Matrix3d.identity ( )

static

inverse()

Matrix3d meshlib.mrmeshpy.Matrix3d.inverse

(

self

)

computes inverse matrix

norm()

float meshlib.mrmeshpy.Matrix3d.norm

(

self

)

normSq()

float meshlib.mrmeshpy.Matrix3d.normSq

(

self

)

compute sum of squared matrix elements

qr()

Matrix3_double_QR meshlib.mrmeshpy.Matrix3d.qr

(

self

)

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

rotation() [1/2]

Matrix3d meshlib.mrmeshpy.Matrix3d.rotation ( Vector3d axis, float angle )

static

creates matrix representing rotation around given axis on given angle

rotation() [2/2]

Matrix3d meshlib.mrmeshpy.Matrix3d.rotation ( Vector3d from_, Vector3d to )

static

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

rotationFromEuler()

Matrix3d meshlib.mrmeshpy.Matrix3d.rotationFromEuler ( Vector3d 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]

Matrix3d meshlib.mrmeshpy.Matrix3d.scale ( float s )

static

returns a matrix that scales uniformly

scale() [2/3]

Matrix3d meshlib.mrmeshpy.Matrix3d.scale ( float sx, float sy, float sz )

static

returns a matrix that has its own scale along each axis

scale() [3/3]

Matrix3d meshlib.mrmeshpy.Matrix3d.scale ( Vector3d s )

static

toEulerAngles()

Vector3d meshlib.mrmeshpy.Matrix3d.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.Matrix3d.trace

(

self

)

computes trace of the matrix

transposed()

Matrix3d meshlib.mrmeshpy.Matrix3d.transposed

(

self

)

computes transposed matrix

x() [1/2]

Vector3d meshlib.mrmeshpy.Matrix3d.x

(

self

)

rows, identity matrix by default

x() [2/2]

None meshlib.mrmeshpy.Matrix3d.x	(		self,
		Vector3d	arg1 )

zero()

Matrix3d meshlib.mrmeshpy.Matrix3d.zero ( )

static

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

• mrmeshpy.pyi