scipy.spatial.transform.RigidTransform.

__len__

RigidTransform.__len__()

Return the number of transforms in this object.

Multiple transforms can be stored in a single instance.

Returns:

lengthint

The number of transforms in this object.

Raises:

TypeError

If the transform is a single transform.

Examples

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>>> from scipy.spatial.transform import RigidTransform as Tf
>>> tf = Tf.identity(3)
>>> len(tf)
3

>>> tf = Tf.from_translation([1, 0, 0])
>>> len(tf)  
Traceback (most recent call last):
    ...
TypeError: Single transform has no len().

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