Create data tips at multiples points on a figure programatically

Question

aneps 2017-5-27

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/342142-create-data-tips-at-multiples-points-on-a-figure-programatically

回答： Walter Roberson 2017-5-27

I have a matrix "MyData" with size 592 by 1. After plotting I want to place datatips at 2 points. How can I create datatips programatically?

My code is

figure (1)
plot(MyData)
X_r1 = ((l +0.15)*8)/0.05  % X_r1 and X_r2 are calculated from 'l' which I input while running the code
X_r2 = (((l +0.15)*8)/0.05) + ((2*l+0.15)/0.05)

I want to crate datatips at X_r1 and X_r2! How can I create? Thank you.

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Answer 1

Walter Roberson 2017-5-27

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/342142-create-data-tips-at-multiples-points-on-a-figure-programatically#answer_268630

在 MATLAB Online 中打开

h = plot(MyData);
X_r1 = ((l +0.15)*8)/0.05  % X_r1 and X_r2 are calculated from 'l' which I input while running the code
X_r2 = (((l +0.15)*8)/0.05) + ((2*l+0.15)/0.05);
dcm_obj = datacursormode();
createDatatip(dcm_obj, h, [l, X_r1]);
createDatatip(dcm_obj, h, [l, X_r2]);