Disable MatPlotLib warning when using pyplot.imshow

Question

First time here! I get the following warning when I use the pyplot.imshow function:

"Clipping input data to the valid range for imshow with RGB data ([0..1] for floats or [0..255] for integers)."

I know this is a completely expected behavior, given my data. How do I turn this warning off? I have tried

import warnings
warnings.filterwarnings('ignore')

which should turn off all warnings, but for some reason it doesn't help with this particular warning.

Please let me know if this is a duplicate. Thanks.

Answer 1

Try this:

import warnings

# do all your preprocessing here...

with warnings.catch_warnings():
    # ...do only the stuff that causes warnings here...

# do everything immediately after here...

I am not sure if this will work (I would have liked it as a comment, but you can't do code blocks in comments)

edit: After trawling through the matplotlib code, I think the reason the above doesn't work is that it is not, in fact, a warning, but rather a log message. Accordingly, the correct interface to use is the logging one.

New solution:

import logging

logger = logging.getLogger()
old_level = logger.level
logger.setLevel(100)

# plotting code here

logger.setLevel(old_level)