wradlib.classify.filter_gabella_b#

wradlib.classify.filter_gabella_b(obj, *, thrs=0.0)[source]#
wradlib.classify.filter_gabella_b(obj: DataArray, **kwargs)

Second part of the Gabella filter comparing area to circumference of contiguous echo regions.

Parameters

  • obj (numpy.ndarray)

  • thrs (float) – Threshold below which the field values will be considered as no rain

Returns

output (numpy.ndarray) – contains in each pixel the ratio between area and circumference of the meteorological echo it is assigned to or 0 for non precipitation pixels.

See also

filter_gabella, filter_gabella_a

Examples

See Clutter detection using the Gabella approach.