external

• espressopp.external.transformations
• Arcball
  • Arcball.down()
  • Arcball.drag()
  • Arcball.getconstrain()
  • Arcball.matrix()
  • Arcball.next()
  • Arcball.place()
  • Arcball.setaxes()
  • Arcball.setconstrain()
• angle_between_vectors()
• arcball_constrain_to_axis()
• arcball_map_to_sphere()
• arcball_nearest_axis()
• clip_matrix()
• compose_matrix()
• concatenate_matrices()
• decompose_matrix()
• euler_from_matrix()
• euler_from_quaternion()
• euler_matrix()
• identity_matrix()
• inverse_matrix()
• is_same_transform()
• orthogonalization_matrix()
• projection_from_matrix()
• projection_matrix()
• quaternion_about_axis()
• quaternion_conjugate()
• quaternion_from_euler()
• quaternion_from_matrix()
• quaternion_imag()
• quaternion_inverse()
• quaternion_matrix()
• quaternion_multiply()
• quaternion_real()
• quaternion_slerp()
• random_quaternion()
• random_rotation_matrix()
• random_vector()
• reflection_from_matrix()
• reflection_matrix()
• rotation_from_matrix()
• rotation_matrix()
• scale_from_matrix()
• scale_matrix()
• shear_from_matrix()
• shear_matrix()
• superimposition_matrix()
• translation_from_matrix()
• translation_matrix()
• unit_vector()
• vector_norm()
• vector_product()