wehub-resource-sync
40 lines
864 B
Python
Executable File
40 lines
864 B
Python
Executable File
#!/usr/bin/env python3
|
|
"""A live plot of a random walk using a scrolling fixed window size."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import time
|
|
|
|
import numpy as np
|
|
|
|
import rerun as rr # pip install rerun-sdk
|
|
import rerun.blueprint as rrb
|
|
|
|
rr.init("rerun_example_fixed_window_plot", spawn=True)
|
|
|
|
rr.send_blueprint(
|
|
rrb.TimeSeriesView(
|
|
origin="random_walk",
|
|
time_ranges=rrb.VisibleTimeRange(
|
|
"time",
|
|
start=rrb.TimeRangeBoundary.cursor_relative(seconds=-5.0),
|
|
end=rrb.TimeRangeBoundary.cursor_relative(),
|
|
),
|
|
),
|
|
)
|
|
|
|
cur_time = time.time()
|
|
value = 0.0
|
|
|
|
while True:
|
|
cur_time += 0.01
|
|
sleep_for = cur_time - time.time()
|
|
if sleep_for > 0:
|
|
time.sleep(sleep_for)
|
|
|
|
value += np.random.normal()
|
|
|
|
rr.set_time("time", timestamp=cur_time)
|
|
|
|
rr.log("random_walk", rr.Scalars(value))
|