scipy.spatial.transform.Rotation.
concatenate#
- classmethod Rotation.concatenate(cls, rotations)#
- Concatenate a sequence of - Rotationobjects into a single object.- This is useful if you want to, for example, take the mean of a set of rotations and need to pack them into a single object to do so. - Parameters:
- Returns:
- concatenatedRotationinstance
- The concatenated rotations. 
 
- concatenated
 - Notes - Added in version 1.8.0. - Examples - >>> from scipy.spatial.transform import Rotation as R >>> r1 = R.from_rotvec([0, 0, 1]) >>> r2 = R.from_rotvec([0, 0, 2]) >>> rc = R.concatenate([r1, r2]) >>> rc.as_rotvec() array([[0., 0., 1.], [0., 0., 2.]]) >>> rc.mean().as_rotvec() array([0., 0., 1.5]) - Concatenation of a split rotation recovers the original object. - >>> rs = [r for r in rc] >>> R.concatenate(rs).as_rotvec() array([[0., 0., 1.], [0., 0., 2.]]) - Note that it may be simpler to create the desired rotations by passing in a single list of the data during initialization, rather then by concatenating: - >>> R.from_rotvec([[0, 0, 1], [0, 0, 2]]).as_rotvec() array([[0., 0., 1.], [0., 0., 2.]])