EmptyTransform

class abtem.transform.EmptyTransform

Bases: abtem.core.ensemble.EmptyEnsemble, abtem.transform.ArrayObjectTransform

__init__()

Methods

__init__()
apply(array_object)	Apply the transform to the given waves.
copy()	Make a copy.
ensemble_blocks([chunks])	Split the ensemble into an array of smaller ensembles.
generate_blocks([chunks])	Generate chunks of the ensemble.
select_block(index, chunks)	Select a block from the ensemble.

Attributes

axes_metadata	List of AxisMetadata.
base_axes_metadata	List of AxisMetadata of the base axes.
base_shape	Shape of the base axes.
ensemble_axes_metadata	Axes metadata describing the ensemble axes added to the waves when applying the transform.
ensemble_shape	The shape of the ensemble axes added to the waves when applying the transform.
metadata	Metadata added to the waves when applying the transform.
shape	Shape of the ensemble.

apply(array_object)

Apply the transform to the given waves.

Parameters

array_object (ArrayObject) – The array object to transform.

Returns

transformed_array_object

Return type

ArrayObject

property axes_metadata: abtem.core.axes.AxesMetadataList

List of AxisMetadata.

Return type

AxesMetadataList

property base_axes_metadata: list[abtem.core.axes.AxisMetadata]

List of AxisMetadata of the base axes.

Return type

list[AxisMetadata]

property base_shape: tuple[int, ...]

Shape of the base axes.

Return type

tuple[int, ...]

copy()

Make a copy.

property ensemble_axes_metadata

Axes metadata describing the ensemble axes added to the waves when applying the transform.

ensemble_blocks(chunks=None)

Split the ensemble into an array of smaller ensembles.

Parameters

chunks (iterable of tuples) – Block sizes along each dimension.

Return type

Array

property ensemble_shape

The shape of the ensemble axes added to the waves when applying the transform.

generate_blocks(chunks=1)

Generate chunks of the ensemble.

Parameters

chunks (iterable of tuples) – Block sizes along each dimension.

property metadata: dict

Metadata added to the waves when applying the transform.

Return type

dict

select_block(index, chunks)

Select a block from the ensemble.

Parameters

• index (tuple of ints) – Index of selected block.

• chunks (iterable of tuples) – Block sizes along each dimension.

property shape

Shape of the ensemble.