nifty7.operators.mask_operator module

class MaskOperator(flags)[source]

Bases: nifty7.operators.linear_operator.LinearOperator

Implementation of a mask response

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

Parameters

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

apply(x, mode)[source]

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

Parameters
  • x (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

Field