Translation of a plot line

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HWIK
HWIK 2021-4-20
评论： Walter Roberson 2021-4-20
Considering an existing figure, would it be possible to vertically translate one of the lines of the plot by a certain amount?

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Walter Roberson
Walter Roberson 2021-4-20
The easiest way is to find the line handle, extract the YData, add the shift to it, and store the result back in the YData property.
  2 个评论
HWIK
HWIK 2021-4-20
I'll have a look into that, thanks!
Walter Roberson
Walter Roberson 2021-4-20
Ran in:
plot(rand(1,50));
h = findobj(gcf, 'type', 'line');
h.YData = h.YData + 5;
Notice that rand() is strictly in the range 0 to 1, but the plot output is in the range 5 to 6, because the line has been moved up by 5

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