I sent the original message to the source forge mailing list. Woops.
Thanks for the response anyways.
The span stays highlighted when I set useblit=False. The performance hit
isn't too bad, and I will stay with this option for the moment.
*** Response ***
Have you tried setting "useblit=False"? If that works, I wonder if we
accidentally broke something in the recent widget interactivity work...
*** Original Message ***
I am selecting a region of a color plot with span selector, and I would
like the selected region to stay highlighted. I found the span_stays
flag, but the selection rectangle still disappears after I release the
Any help is appreciated.
My backend is 'TkAgg'
I am running the script from python3.4 at the command line, my version is:
Python 3.4.3 (default, Jun 19 2015, 05:46:30)
[GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux
Type "help", "copyright", "credits" or "license" for more information.
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.widgets import SpanSelector
test_data = np.random.randn(1000, 1000)
fig, ax = plt.subplots()
def selection(x1, x2):
"""This function isn't the point"""
span = SpanSelector(ax, selection, 'horizontal', useblit=True,