# Epoch figure

**URL:** <https://mne.discourse.group/t/epoch-figure/1957>\
**Category:** Mailing List Archive (read-only)\
**Tags:** list-archive\
**Created:** [September 24, 2019, 12:07pm UTC](https://mne.discourse.group/t/epoch-figure/1957 "2019-09-24T12:07:04Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [September 24, 2019, 12:07pm UTC](https://mne.discourse.group/t/epoch-figure/1957/1 "2019-09-24T12:07:04Z")

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Hi

I am new to the list, thank you for this fantastic tool, mne really help us  
for ECoG analysis.

How do we add vertical axis ticks and values (to indicate the scale) in  
plot\_epochs figure (mne.viz) ?

I tried to get the matplotlib figure object but could not change any  
property.

Thank you in advance

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [September 24, 2019, 1:10pm UTC](https://mne.discourse.group/t/epoch-figure/1957/2 "2019-09-24T13:10:49Z")

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hi,

you mean the purple vertical scale bar in the first figure of  
[https://mne.tools/dev/auto\_tutorials/raw/plot\_40\_visualize\_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py](https://mne.tools/dev/auto_tutorials/raw/plot_40_visualize_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py)  
?

but for epochs  
[https://mne.tools/dev/auto\_tutorials/epochs/plot\_visualize\_epochs.html#sphx-glr-auto-tutorials-epochs-plot-visualize-epochs-py](https://mne.tools/dev/auto_tutorials/epochs/plot_visualize_epochs.html#sphx-glr-auto-tutorials-epochs-plot-visualize-epochs-py)  
?

I don't think it's implemented for Epochs.plot yet.

Alex  
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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [September 24, 2019, 2:30pm UTC](https://mne.discourse.group/t/epoch-figure/1957/3 "2019-09-24T14:30:37Z")

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Hi

Thanks for your answer, yes like the purple bar or just values like in the second figure of your example (0, 25, 50) :

\<[https://mne.tools/dev/auto\_tutorials/raw/plot\_40\_visualize\_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py](https://mne.tools/dev/auto_tutorials/raw/plot_40_visualize_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py)\> [https://mne.tools/dev/auto\_tutorials/raw/plot\_40\_visualize\_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py](https://mne.tools/dev/auto_tutorials/raw/plot_40_visualize_raw.html#sphx-glr-auto-tutorials-raw-plot-40-visualize-raw-py)

This is very interesting and much more visible when few channels are displayed (unlike first figure)

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [September 24, 2019, 2:41pm UTC](https://mne.discourse.group/t/epoch-figure/1957/4 "2019-09-24T14:41:49Z")

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second figure is not channel values but power spectrum densities.

I guess we'll need to add the purple bars on epochs.plot

Alex

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [September 25, 2019, 3:28pm UTC](https://mne.discourse.group/t/epoch-figure/1957/5 "2019-09-25T15:28:16Z")

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OK

Thank you