DownselectVector

class lsst.analysis.tools.actions.vector.DownselectVector(*args, **kw)

Bases: VectorAction

Get a vector from KeyedData, apply specified selector, return the shorter Vector.

Attributes Summary

selector	Action which returns a selection mask (VectorAction, default <class 'lsst.analysis.tools.actions.vector.selectors.VectorSelector'>)
vectorKey	column key to load from KeyedData (str)

Methods Summary

__call__(data, **kwargs)	Call self as a function.
getInputSchema()	Return the schema an AnalysisAction expects to be present in the arguments supplied to the __call__ method.

Attributes Documentation

selector

Action which returns a selection mask (VectorAction, default <class 'lsst.analysis.tools.actions.vector.selectors.VectorSelector'>)

vectorKey

column key to load from KeyedData (str)

Methods Documentation

__call__(data: MutableMapping[str, ndarray[tuple[Any, ...], dtype[_ScalarT]] | Scalar | HealSparseMap | Tensor | Mapping], **kwargs) → ndarray[tuple[Any, ...], dtype[_ScalarT]]

Call self as a function.

getInputSchema() → Iterable[tuple[str, type[ndarray[tuple[Any, ...], dtype[_ScalarT]]] | type[Scalar] | type[HealSparseMap] | type[Tensor] | type[Mapping]]]

Return the schema an AnalysisAction expects to be present in the arguments supplied to the __call__ method.

Returns

resultKeyedDataSchema

The schema this action requires to be present when calling this action, keys are unformatted.