from Stream import Stream, TimeAndValue from Operators import stream_agent, tf from examples_element_wrapper import print_stream import numpy as np from random import randint from Stream import _no_value """Simple example of the window function wf with window size and step size of 3. Output is the mean of the clipped window with a_min=9, a_max=11. These values are used in this example so that you can check the results easily. """ x = Stream('x') y = Stream('y') z = Stream('z') print_stream(x) print_stream(y) print_stream(z) def h(timed_window, threshold): v = sum([w[1] for w in timed_window]) if v > threshold: return (v, 0) else: return (0, v) tf(x, [y,z], h, 10, 10, threshold=20) x.extend([(2, 10), (6, 11), (12, 12), (14, 13), (19, 12), (22, 13), (49, 23), (51, 33)])
check the results easily. """ class tv(object): def __init__(self, time, value): self.time = time self.value = value def print_stream_tv(stream): def print_element(v, count): print '{0}[{1}] time = {2}, value = {3}'.format(stream.name, count, v.time, v.value) return (count+1) ef(inputs=stream, outputs=None, func=print_element, state=0) x = Stream('x') y = Stream('y') z = Stream('z') print_stream(x) print_stream(y) print_stream(z) def h(list_of_timed_windows, threshold): return sum([sum([w[1] for w in timed_window]) for timed_window in list_of_timed_windows]) tf([x,y], z, h, 10, 10, threshold=20) x.extend([(2, 10), (6, 11), (12, 12), (14, 13), (19, 12), (22, 13), (60, 23)]) y.extend([(3, 11), (4, 15), (14, 12), (16, 13), (21, 12), (22, 13), (50, 23)])
from Stream import Stream, TimeAndValue from Operators import stream_agent, timed_agent, tf from examples_element_wrapper import print_stream x = Stream('x') print_stream(x) y = Stream('y') print_stream(y) def h(window): print 'window', window return sum(v[1] for v in window) tf(inputs=x, outputs=y, func=h, window_size=10, step_size=10) x.extend([(2, 10), (6, 11), (12, 12), (14, 13), (19, 12), (32, 13)])