mantidimaging.core.operations.divide.divide module

class mantidimaging.core.operations.divide.divide.DivideFilter

Bases: BaseFilter

Divides a stack of images by a value. That value can be the pixel size, and can be specified in either microns or cms, to obtain attenuation values.

Intended to be used on: Reconstructed slices

When: To calculate attenuation values by dividing by the pixel size in microns

Caution: Check preview values before applying divide

static compute_function(i: int, array: ndarray, params: dict)

static execute_wrapper(value_widget: QDoubleSpinBox, unit_widget: QComboBox) → partial

Should construct a partial call to _filter_func using values taken from the widgets passed to this function as kwargs. :param kwargs: widgets which contain values required for _filter_func. :return: a partial call to _filter_func using parameters taken from the input widgets.

static filter_func(images: ImageStack, value: int | float = 0, unit='micron', progress=None) → ImageStack

Parameters:

• value – The division value.

• unit – The unit of the divisor.

Returns:

The ImageStack object which has been divided by a value.

filter_name = 'Divide'

link_histograms = True

static register_gui(form: QFormLayout, on_change: Callable, view: BasePresenter) → dict[str, Any]

Adds any required input widgets to the given form and returns references to them.

The return values should be in a dict which can be unpacked as kwargs for a call to the operations execute_wrapper.

Parameters:

• view –

• form – the layout to create input widgets in

• on_change – the filter view action to be bound to all created inputs

Returns:

the widgets bound as kwargs which are needed to call execute_wrapper