Cannot Modify y-axis Limits for evoked.plot_joint function

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  • MNE version: 1.7.1
  • operating system: Windows 10

Hi,

I am trying to use the evoked.plot_joint function to make some plots of my data. I want to be able to manually scale the y-axis of the butterfly plot but changing the ylim parameters doesn’t seem to have any effect on the y-axis range. Has anyone had this problem before? Here is the code I am using:

ts_args = dict(time_unit="ms", units=dict(eeg='µV'), ylim=(-10,10))
topomap_args = dict(time_unit="ms")
fig = diff1_evoked.plot_joint(times=[0.1,0.2,0.3], ts_args=ts_args, topomap_args=topomap_args);
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The documentation states:

ylim : dict | None
    Y limits for plots (after scaling has been applied). e.g. 
    ylim = dict(eeg=[-20, 20]) Valid keys are eeg, mag, grad, 
    misc. If None, the ylim parameter for each channel equals 
    the pyplot default.

You are providing a tuple, I’m actually surprised this is not raising an error.
Try providing dict(eeg=(-10, 10) (in case of EEG data, change the type to what you need, note that CSD transformed data has the type csd).

Mathieu

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That worked, thanks so much!

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