Gap between X-axis and and imshow 2D plot in matplotlib 2.0.0

These lines produce a gap between the X axis and the image:

    plt.rcParams['figure.figsize'] = [8, 7]
    plt.imshow([[1, 3], [2, 1]])
    plt.savefig('gap.jpg', dpi=50)

Yep, this is reproducible on current master. It is saving to a .jpg file with a low dpi that causes the gap to appear.

The cause is not just the low dpi but more complex.
If I use plt.rcParams['figure.figsize'] = [8, 7.01] or dpi=49 the gab disappears.

This is probably a snapping issue, much akin to the issues we have had with lines appearing in colorbars. This is likely to be extremely difficult to solve.

…

On Fri, Feb 3, 2017 at 5:00 AM, Frank Breitling ***@***.***> wrote: The cause is not just the low dpi but more complex. If I use plt.rcParams['figure.figsize'] = [8, 7.01] or dpi=49 the gab disappears. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#8010 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AARy-NI7Gv5F4sRti_rHM-1NMcaHTOchks5rYvqrgaJpZM4L1nfo> .

I can imagine that it could be hard to fix but also a good thing to do since its an indication of something not running as smoothly as it should which could cause all sorts of trouble later.

This issue has been marked "inactive" because it has been 365 days since the last comment. If this issue is still present in recent Matplotlib releases, or the feature request is still wanted, please leave a comment and this label will be removed. If there are no updates in another 30 days, this issue will be automatically closed, but you are free to re-open or create a new issue if needed. We value issue reports, and this procedure is meant to help us resurface and prioritize issues that have not been addressed yet, not make them disappear. Thanks for your help!

Seems to still be a problem on main, and not specific to jpg:

This issue has been marked "inactive" because it has been 365 days since the last comment. If this issue is still present in recent Matplotlib releases, or the feature request is still wanted, please leave a comment and this label will be removed. If there are no updates in another 30 days, this issue will be automatically closed, but you are free to re-open or create a new issue if needed. We value issue reports, and this procedure is meant to help us resurface and prioritize issues that have not been addressed yet, not make them disappear. Thanks for your help!

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Gap between X-axis and and imshow 2D plot in matplotlib 2.0.0 #8010

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Gap between X-axis and and imshow 2D plot in matplotlib 2.0.0 #8010

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dstansby commented on Feb 2, 2017

fkbreitl commented on Feb 3, 2017

WeatherGod commented on Feb 3, 2017

fkbreitl commented on Feb 3, 2017

github-actions commented on Apr 6, 2023

QuLogic commented on Apr 26, 2023

github-actions commented on Apr 26, 2024

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