def random_instance(size_range, distortion_range):
distortion = uniform(*distortion_range)
if distortion_range[0] < distortion_range[1]:
distortion_ratio = (distortion - distortion_range[0]) / (distortion_range[1] - distortion_range[0])
min_size = size_range[0] + (size_range[1] - size_range[0]) * distortion_ratio * 0.5
size = quadratic_uniform(min_size, size_range[1])
else:
size = quadratic_uniform(*size_range)
return Ellipse(Point(size, size / distortion))
def random_instance(size_range, distortion_range):
return Semicircle(quadratic_uniform(*size_range))
def random_instance(size_range, distortion_range):
return Cross(quadratic_uniform(*size_range))
def random_instance(size_range, distortion_range):
return Pentagon(quadratic_uniform(*size_range)) # for equilateral
