#!/usr/bin/env python

from    pylab           import scatter, show, cm, colorbar, axes, savefig

from    itertools       import izip

from    sys             import argv, exit

import  os.path         as     osp

def plot(val1_fn, val2_fn, outfn = None):

    values1 = []

    with open(val1_fn) as fp:

        for line in fp.xreadlines():

            values1.append(float(line.split()[1]))

    values2 = []

    with open(val2_fn) as fp:

        for line in fp.xreadlines():

            values2.append(float(line.split()[1]))

    values1 = [v % 1. for v in values1]

    values2 = [v % 1. for v in values2]

    print min(values1), max(values2), min(values1), min(values2)

    scatter(values1, values2, s=10)

    axes().set_aspect('equal')

    if not outfn:

        show()

    else:

        savefig(outfn)

if __name__ == '__main__':

    if len(argv) < 3:

        print "Usage: %s VALUES1 VALUES2 [OUTPUT]" % argv[0]

        exit()

    val1_fn = argv[1]

    val2_fn  = argv[2]

    outfn = None

    if len(argv) > 3: 

        outfn = argv[3]

    plot(val1_fn, val2_fn, outfn)