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Cosmologist/scale.py

Created January 31, 2014 12:57
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Convert image to black and white colors - http://pickbox.ru/edit/309
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scale.py
def blackwhitescale(im):
"""
Convert image to black and white colors
Each pixel to be either fully black (0, 0, 0) or fully white (255, 255, 255)
"""
# Convert to grayscale
gray = im.convert('L')
# Scale to white or black (whichever is closest).
bw = gray.point(lambda x: 0 if x < 128 else 255, '1')
return bw
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ghost commented Apr 10, 2018

bw = gray.point(lambda x: 0 if x < 128 else 255, '1')

what does the '1' signify at the end of the function?

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