nifty8.operators.mask_operator module

class MaskOperator(flags)

Bases: LinearOperator

Implementation of a mask response

Takes a field, applies flags and returns the values of the field in a UnstructuredDomain.

Parameters:

flags (nifty8.field.Field) – Is converted to boolean. Where True, the input field is flagged.

__init__(flags)

apply(x, mode)

Applies the Operator to a given x, in a specified mode.

Parameters:

• x (nifty8.field.Field) – The input Field, defined on the Operator’s domain or target, depending on mode.

• mode (int) –

  • TIMES: normal application

  • ADJOINT_TIMES: adjoint application

  • INVERSE_TIMES: inverse application

  • ADJOINT_INVERSE_TIMES or INVERSE_ADJOINT_TIMES: adjoint inverse application

Returns:

The processed Field defined on the Operator’s target or domain, depending on mode.

Return type:

nifty8.field.Field