Dates beside the axis when plotting datetime

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Hiroyuki Kubota
Hiroyuki Kubota 2020-9-22
编辑： Benjamin Kraus 2024-4-26
I'm trying to plot changes on a specific date of a long intraday data, and want to show (1) only the time and erase the date which appears beside the axis, or (2) change the language of the date beside the axis.
  2 个评论
Walter Roberson
Walter Roberson 2020-9-22
There is a private property named ScaleFormat_I that is under the XAxis property of the axes.
Unfortunately, it does not appear to be possible to set the property, and the details of constructing datetime rulers is hidden inside a .p file toolbox/matlab/graphics/axis/+matlab/+graphics/+axis/+decorator/DatetimeRuler.p
Benjamin Kraus
Benjamin Kraus 2024-4-26
编辑：Benjamin Kraus 2024-4-26
@Walter Roberson: Starting in R2024a, the ScaleFormat_I property has been replaced by a documented (and wirtable) SecondaryLabelFormat property.

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采纳的回答

Abby Skofield
Abby Skofield 2023-9-20
编辑：Adam Danz 2023-10-18
Ran in:
Starting in R2023b, you can use the new family of secondary label functions (e.g. xsecondarylabel) to toggle the visiblity of the secondary label off.
t = datetime('September 1, 2023'):days(1):(datetime('now')+days(90));
y = cumsum(randn(size(t)));
plot(t,y)
title('Fall 2023')
xsecondarylabel('Visible','off')
You can also use the new functions to add custom secondary labels.
ysecondarylabel('USD, millions')
For more info and demos on secondary labels, see the Graphics and App Building blog article below.
https://blogs.mathworks.com/graphics-and-apps/2023/10/18/exploring-secondary-axis-labels-in-matlab/

更多回答（1 个）

Seth Furman
Seth Furman 2020-10-21
1) The date information can be hidden by setting the TickLabelsMode to 'manual' on the DatetimeRuler.
ax = gca;
ax.XAxis.TickLabelsMode = 'manual';
https://www.mathworks.com/matlabcentral/answers/607856-how-to-hide-representative-duration-at-datetime-x-axis-plot
2) The default input locale for datetimes can be changed in the Preferences dialog box (i.e. Preferences > Command Window > Datetime format > Locale).
https://www.mathworks.com/help/matlab/matlab_env/command-window-preferences.html

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