wradlib.clutter.filter_gabella_b(img, thrs=0.0)

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

Parameters: img (array_like) – thrs (float) – Threshold below which the field values will be considered as no rain output (array_like) – contains in each pixel the ratio between area and circumference of the meteorological echo it is assigned to or 0 for non precipitation pixels.

filter_gabella - the complete filter
filter_gabella_a - the first part of the filter