Is there a groot default for xlabel and ylabel HorizontalAlignment and VerticalAlignment?
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Etaoin Shrdlu
le 28 Jan 2020
Modifié(e) : Walter Roberson
le 28 Jan 2020
I'm trying to do something global like
set(groot, 'DefaultXLabelVerticalAlignment', 'middle').
I looked through the entire groot 'factory' and saw nothing appropriate. I expressly don't want to have to set this everytime I call xlabel. Any ideas?
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Jakob B. Nielsen
le 28 Jan 2020
Cant you just define your own xlabel function e.g. Myxlabel, in which you call xlabel as you would but also hardset the alignment that you want? That way you just need to call Myxlabel instead of xlabel, and otherwise do things as normal.
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Walter Roberson
le 28 Jan 2020
There does not appear to be a way to specify it down that far.
You can get as far as specifying DefaultAxesXLabel which you would set to a text() object, but the entire object would get overwritten if you used xlabel() rather than the property being copied from the default.
You can set the axes or figure DefaultTextVerticalAlignment property, but that would apply to all text() objects under the container.
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Walter Roberson
le 28 Jan 2020
I just looked at the code for xlabel, and I see that it does not itself set the VerticalAlignment: it inherits whatever VerticalAlignment was associated with the default XLabel from when the object was created.
Your test posted, in the form posted, does not establish positively, as default properties only apply to objects created after that point. xlabel() does not create an an XLabel, only sets the String property (and, typically, also FontSizeMode auto, FontUnitsMode auto, and copies FontWeight and FontAngle and FontName from the axes.) You would need to not have a current axes for xlabel() to be applied to in order to make the test fair. That said, I do replicate your results when no graphics objects exist yet.
Setting the groot DefaultAxesXLabel to a text() object does work for axes created after that point. But you do have to be careful that the text object is not deleted, which is a bit of a nuisance.
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