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display_result.py
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display_result.py
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import argparse
import matplotlib.pylab as plt
from knit_portrait.IO import load_string_order, load_config
from knit_portrait.image_processing import pre_proc_img, make_circle, \
make_rectangle
def sign(number):
return ((number > 0) + 0) - ((number < 0) + 0)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-st', '--strings', default=-1, type=int,
help='number of precomputed strings - set to -1 to '
'show all precomputed strings (default=-1)')
parser.add_argument('-r', '--radius', default=250, type=int,
help='radius in mm (default=250)')
parser.add_argument('-d', '--dpi', default=300, type=int,
help='resolution of output image (default=300)')
parser.add_argument('-l', '--line', default=0.05, type=float,
help='line thickness (default=0.05)')
parser.add_argument('-c', '--color', default='black', type=str,
help='line color (default=black)')
parser.add_argument('-b', '--background', default='white', type=str,
help='background color (default=white)')
parser.add_argument('config_file')
args = parser.parse_args()
config = load_config(filename=args.config_file)
string_order = load_string_order(
filename=config['settings']['save_file'] + '.csv')[:, 1:]
if args.strings == -1:
num_strings = config['settings']['strings']
else:
num_strings = args.strings
ref_img = pre_proc_img(config['image']['file'],
config['image']['size'], 1,
rectangle=config['settings']['rectangle'])
if config['settings']['rectangle']:
shape, num_hooks = make_rectangle(
tuple([val - 1 for val in ref_img.shape]),
num_hooks=config['settings']['hooks'])
config['settings']['hooks'] = num_hooks
else:
shape = make_circle(
ref_img.shape, num_hooks=config['settings']['hooks'])
plt.figure(figsize=(16, 9), facecolor=args.background)
plt.subplot(121)
plt.imshow(ref_img, 'gray')
plt.axis('off')
plt.subplot(122)
string_length = 0
for string_pair in string_order[:num_strings, :]:
plt.plot([shape[string_pair[0], 1], shape[string_pair[1], 1]],
[shape[string_pair[0], 0], shape[string_pair[1], 0]],
args.color, LineWidth=args.line)
plt.gca()
string_length += ((shape[string_pair[0], 1] - shape[
string_pair[1], 1]) ** 2 + (
shape[string_pair[0], 0] - shape[string_pair[1], 0]) ** 2
) ** 0.5 / config['image']['size'] * 2 * args.radius
plt.axis('equal')
plt.axis('off')
plt.gca().invert_yaxis()
plt.savefig(
config['settings']['save_file'] + '_result_{}.jpg'.format(num_strings),
dpi=args.dpi, facecolor=args.background)
plt.show()
print('A radius of {} mm, using {} strings, '
'will require {} m string'.format(args.radius,
num_strings, string_length / 1000))
plt.figure(figsize=(16, 9))
for number, hook in enumerate(shape):
plt.scatter(hook[0] - config['image']['size'] / 2,
hook[1] - config['image']['size'] / 2,
c='black', marker='x')
textx = hook[0] - config['image']['size'] / 2
texty = hook[1] - config['image']['size'] / 2
rotation = 0
if config['settings']['rectangle']:
checked = False
threshold = 1 - 1 / config['settings']['hooks'] * 4
if (texty >= (config['image']['size'] / 2 * threshold)) | (
texty <= (-config['image']['size'] / 2 * threshold)):
texty *= 1.05
rotation = 90
checked = True
if ((textx >= (config['image']['size'] / 2 * threshold)) | (
textx <= (-config['image']['size'] / 2 * threshold))) & (
not checked):
textx *= 1.05
rotation = 0
else:
textx *= 1.05
texty *= 1.05
plt.text(textx, texty, number, fontsize='xx-small', ha='center',
va='center', rotation=rotation)
plt.axis('equal')
plt.axis('off')
plt.gca().invert_yaxis()
plt.savefig(
config['settings']['save_file'] + '_result_{}_drill_'
'template.jpg'.format(num_strings),
dpi=args.dpi, facecolor=args.background)
plt.show()
if __name__ == '__main__':
main()