quaternion

class granoo3.lib.quaternion

Bases: Boost.Python.instance

a quaternion able to model rigid body rotation and rotating frame operation

Attributes Summary

r	r real component
x	x imaginary component
y	y imaginary component
z	z imaginary component

Methods Summary

angle(arg1)	get the angle value
axis(arg1)	get the axis value of the quaternion
axis_angle(arg1, arg2, arg3)	get the axis and the angle
clear(arg1)	clear the quaternion component values
clear_unit(arg1)	make a unit quaternion (0,0,0,1)
conjugate(arg1)	get the conjugate of the current quaternion
get_r(arg1)	get the r real component value
get_x(arg1)	get the x imaginary component value
get_y(arg1)	get the x imaginary component value
get_z(arg1)	get the y imaginary component value
inverse_rotate(arg1, arg2)	inverse rotate a vector
norm(arg1)	get the norm
normalize(arg1)	normalize the current quaternion
rotate(arg1, arg2)	rotate a vector
set_angle(arg1, arg2)	set the angle of the quaternion
set_axis_angle(arg1, arg2, arg3)	set the axis/angle values of the quaternion
set_vec_from_to(arg1, arg2, arg3)	set the quaternion for rotating a unit vector to another one
slerp(arg1, arg2, arg3)	slerp a quaternion (spherical interpolation)
squared_norm(arg1)	get the squared norm
to_rotation_tensor(arg1)	get the corresponding rotation matrix

Attributes Documentation

r

r real component

x

x imaginary component

y

y imaginary component

z

z imaginary component

Methods Documentation

angle((quaternion)arg1) → float[STATIC]

get the angle value

axis((quaternion)arg1) → vector[STATIC]

get the axis value of the quaternion

axis_angle((quaternion)arg1, (vector)arg2, (float)arg3) → None[STATIC]

get the axis and the angle

clear((quaternion)arg1) → None[STATIC]

clear the quaternion component values

clear_unit((quaternion)arg1) → None[STATIC]

make a unit quaternion (0,0,0,1)

conjugate((quaternion)arg1) → quaternion[STATIC]

get the conjugate of the current quaternion

get_r((quaternion)arg1) → float[STATIC]

get the r real component value

get_x((quaternion)arg1) → float[STATIC]

get the x imaginary component value

get_y((quaternion)arg1) → float[STATIC]

get the x imaginary component value

get_z((quaternion)arg1) → float[STATIC]

get the y imaginary component value

inverse_rotate((quaternion)arg1, (vector)arg2) → vector[STATIC]

inverse rotate a vector

norm((quaternion)arg1) → float[STATIC]

get the norm

normalize((quaternion)arg1) → float[STATIC]

normalize the current quaternion

rotate((quaternion)arg1, (vector)arg2) → vector[STATIC]

rotate a vector

set_angle((quaternion)arg1, (float)arg2) → None[STATIC]

set the angle of the quaternion

set_axis_angle((quaternion)arg1, (vector)arg2, (float)arg3) → None[STATIC]

set the axis/angle values of the quaternion

set_vec_from_to((quaternion)arg1, (vector)arg2, (vector)arg3) → None[STATIC]

set the quaternion for rotating a unit vector to another one

slerp((quaternion)arg1, (quaternion)arg2, (float)arg3) → quaternion[STATIC]

slerp a quaternion (spherical interpolation)

squared_norm((quaternion)arg1) → float[STATIC]

get the squared norm

to_rotation_tensor((quaternion)arg1) → tensor[STATIC]

get the corresponding rotation matrix