1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
import numpy as np
from wxmplot.interactive import plot, set_data_generator
# generator of datasets
npts = 501
x = np.linspace(0, 50, npts)
datasets = ((np.cos(1.3*x) + np.sin(0.8*(x+nx/7)),
np.cos(1.1*x) - np.sin(0.6*(x+nx/43)))
for nx in range(npts))
def more_data():
"""yield next pair of datasets from data generator"""
while True:
try:
ds = next(datasets)
yield [(x, ds[0]), (x, ds[1])]
except StopIteration:
break
# set up an initial plot
plot(x, np.zeros(len(x)))
# now set data generator and wait
set_data_generator(more_data, polltime=30)
print("consuming data from generator...")
|
