MatcherSourceSelectorTask

MatcherSourceSelectorTask selects sources that are useful for matching, without checking footprints or bad flags.

Python API summary

from lsst.meas.algorithms.matcherSourceSelector import MatcherSourceSelectorTask

classMatcherSourceSelectorTask(*args, **kwargs)

Select sources that are useful for matching...

attributeconfig

Access configuration fields and retargetable subtasks.

methodrun(sourceCat, sourceSelectedField=None, matches=None, exposure=None)

Select sources and return them...

See also

See the MatcherSourceSelectorTask API reference for complete details.

Retargetable subtasks

No subtasks.

Configuration fields

excludePixelFlags

Default

True

Field type

bool Field

Exclude objects that have saturated, interpolated, or edge pixels using PixelFlags. For matchOptimisticB set this to False to recover previous matcher selector behavior.

minSnr

Default

40

Field type

float Field

Minimum allowed signal-to-noise ratio for sources used for matching (in the flux specified by sourceFluxType); <= 0 for no limit

sourceFluxType

Default

'Ap'

Field type

str Field

Type of source flux; typically one of Ap or Psf