ctapipe is not stable yet, so expect large and rapid changes to structure and functionality as we explore various design choices before the 1.0 release.

number_of_island_sizes#

ctapipe.image.number_of_island_sizes(island_labels)[source]#

Return number of small, medium and large islands

Parameters:
island_labels: array[int]

Array with island labels, (second return value of number_of_islands)

Returns:
n_small: int

number of islands with less than 3 pixels

n_medium: int

number of islands with 3 <= n_pixels <= 50

n_large: int

number of islands with more than 50 pixels