It is a bit hard to say what it actually should do as there is no doc-string, but I am not sure this is the right fix.

1. Passing toggle_label(True) should switch them back on.
2. This only covers half of the possible cases.

(It is a bit strange that orientation is actually what one would think is location.)

I think a better solution is to make a dict that picks the "opposite" axis name and then uses that. (If that is now the solution.)

Looking at https://matplotlib.org/3.3.4/gallery/axes_grid1/demo_axes_grid.html#sphx-glr-gallery-axes-grid1-demo-axes-grid-py (which probably shows the "correct" behaviour), it seems that maybe the solution is to put the ticks and the labels on the top when "orientation" is "top" etc. In this way toggle_label will work as expected.

Hi @oscargus, I updated the code as you suggested, and It looks like the correct result now :
image

edit: Should the colorbar show ticks when set_labels is set to False. It is visible in this example, But this PR currently removes the ticks as well is set_labels is False.

edit: Should the colorbar show ticks when set_labels is set to False. It is visible in this example, But this PR currently removes the ticks as well is set_labels is False.

If there are no tick labels, ticks don't have a meaning. So, whether or not to remove them is a purely aesthetic decision. IMHO it's fine to remove them.

If there are no tick labels, ticks don't have a meaning. So, whether or not to remove them is a purely aesthetic decision. IMHO it's fine to remove them.

Thanks for confirming @timhoffm, Is there any additional changes needed?

Gentle ping @oscargus - would you mind taking a look again?

Hi @xtanion, thank you for your work on this and sorry it has taken a while to get back to you.

It’s great that you have confirmed locally that the method now has the correct behaviour. Could you simplify the code you checked with and make it an image comparison test? Simplify because it just needs enough to prove the desired behaviour is happening with the ticks (so e.g. no need for the annotations).

The documentation build check has failed due to a problem that I think has been fixed on main. So could you also rebase your branch to pick up that fix? That would allow us to see how your change affects the original example from the issue.

Will that work if the colorbars are on the bottom or the left side? I'm not so sure...

Edit: I think this is not the right approach at all, see #25884 instead.

Superseded by #25884. Thanks for the PR!