3 """Generate random data for testing plotpick.py
7 $ random-data.py | plotpick.py
10 import random as _random
12 import numpy as _numpy
18 class Linear (object):
19 def __init__(self, a=1, b=1):
23 def __call__(self, x):
24 return self.a*x + self.b
26 def random_data(xmin=0, xmax=1, n=2**15, dx=0.1, dy=0.1, model=Linear()):
27 for x in _numpy.linspace(xmin, xmax, n):
29 rx = _random.gauss(mu=x, sigma=dx)
30 ry = _random.gauss(mu=y, sigma=dy)
34 if __name__ == '__main__':
35 from argparse import ArgumentParser as _ArgumentParser
37 parser = _ArgumentParser(
38 description=__doc__, version=__version__)
40 '-n', type=int, default=100,
41 help='Number of random points to generate')
43 args = parser.parse_args()
45 for data in random_data(n=args.n):
46 print('\t'.join(str(x) for x in data))