def make_animation(order, size, filename):
"""
Render one frame for each step in the algorithm and then
use ImageMagick to convert the images into a gif.
"""
az = aztec.AztecDiamond(0)
for i in range(order):
az.delete()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i))
az = az.slide()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i + 1))
az.create()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i + 2))
command = [
CONVERTER, '-layers', 'Optimize', '-delay', '15',
'_tmp%03d.png[0-{}]'.format(3 * order - 2), '-delay', '500',
'_tmp{:03d}.png'.format(3 * order - 1), filename
]
subprocess.check_call(command)
# do the clean up
for f in glob.glob('_tmp*.png'):
os.remove(f)
def make_animation(order, size, filename):
"""
Begin with the Aztec diamond of order zero, repeat the operations
`delete`, `slide` and `create` until its order reaches `order`.
Render one frame for each operation and call ImageMagick to
convert the images to a gif file.
Parameters
----------
:order: total steps to run the algorithm.
:size: size of the gif image.
:filename: the output .gif filename.
"""
az = aztec.AztecDiamond(0)
for i in trange(order):
az.delete()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i))
az = az.slide()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i + 1))
az.create()
render(az, size, order + 1, '_tmp{:03d}.png'.format(3 * i + 2))
command = [
CONVERTER, '-layers', 'Optimize', '-delay', '15',
'_tmp%03d.png[0-{}]'.format(3 * order - 2), '-delay', '500',
'_tmp{:03d}.png'.format(3 * order - 1), filename
]
subprocess.check_call(command)
# do the clean up
for f in glob.glob('_tmp*.png'):
os.remove(f)
