Python Matrix33.from_quaternion示例

示例#1

文件： Affine3d.py 项目： csra/rct-python

 def __apply_transformation_vec3(self, a_point):
     '''
     Applies the transformation to a given Verctor3.
     :param a_point: Vector3
     '''
     return (Matrix33.from_quaternion(self.__rotation_quaternion).T *
             a_point) + Vector3.from_vector4(self.__translation)[0]

示例#2

文件： test_equivalence.py 项目： adamlwgriffiths/Pyrr

 def test_euler_equivalence(self):
     eulers = euler.create_from_x_rotation(np.pi / 2.)
     m = Matrix33.from_x_rotation(np.pi / 2.)
     q = Quaternion.from_x_rotation(np.pi / 2.)
     qm = Matrix33.from_quaternion(q)
     em = Matrix33.from_eulers(eulers)
     self.assertTrue(np.allclose(qm, m))
     self.assertTrue(np.allclose(qm, em))
     self.assertTrue(np.allclose(m, em))

示例#3

 def test_euler_equivalence(self):
     eulers = euler.create_from_x_rotation(np.pi / 2.)
     m = Matrix33.from_x_rotation(np.pi / 2.)
     q = Quaternion.from_x_rotation(np.pi / 2.)
     qm = Matrix33.from_quaternion(q)
     em = Matrix33.from_eulers(eulers)
     self.assertTrue(np.allclose(qm, m))
     self.assertTrue(np.allclose(qm, em))
     self.assertTrue(np.allclose(m, em))