libvips/python/example/try10.py

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#!/usr/bin/python
import sys
import logging
#logging.basicConfig(level = logging.DEBUG)
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import gi
gi.require_version('Vips', '8.0')
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from gi.repository import Vips
a = Vips.Image.black(100, 100)
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a = a.draw_circle(128, 50, 50, 20)
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b = a.hough_circle(scale = 1, min_radius = 15, max_radius = 25)
b.write_to_file("x.v")