How to find the angle of a line with respect to plot window
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This is a little hard to explain. I am not looking for the angle of the line with respect to the cartesian coordinates, I am looking for the angle with respect to the plot window itself.
For context, I am trying to use this angle to produce some text that has the same angle as the line
For Example:
plot([0:10], [0:10])
text( 0, 0, "----------------------some text", Rotation = 45)
p = subplot(1,1,1);
disp(p.Position(3:4))
See how the text angle doesn't match the line angle, and the plot itself is not a square
i- I'd imagine some calculations are in order, and it would need the size of the window as an input.
ii- I also thought that ths cannot be that complex, surely there's a way to write text on the plot at an angle relative to the plot's coordiates, right?
If anyone has someinsight on (i) or (ii), that would be highly appriociated!
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採用された回答
Joe Vinciguerra
2023 年 3 月 23 日
plot([0:10], [0:10])
ar = get(gca, "PlotBoxAspectRatio")
r = atand(ar(2)/ar(1)) % This will give you the angle of the diagonal of the axes in degrees
text( 0, 0, "----------------------some text", Rotation = r)
Then compare it to the slope of the line you are plotting.
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