How to add clockwise and anti-clockwise direction arrow in Plotting in Matlab

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NOUFA 2022-10-11

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https://ww2.mathworks.cn/matlabcentral/answers/1821713-how-to-add-clockwise-and-anti-clockwise-direction-arrow-in-plotting-in-matlab

回答： Bjorn Gustavsson 2022-10-11

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Could anyone help me, please,I want to add arrow around the annular shape

out-circle with clockwise direction arrow

plot(X(1:N+1),Y(1:N+1));

and the inner-circle with anti-clockwise direction arrow

plot(X(N+2:2*N+2),Y(N+2:2*N+2));

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dpb 2022-10-11

annotation arrow style is pretty limited in functionality -- you can put one at any specific x,y position, but the orientation is only set by the line coordinates of start-end in each x and y direction. So, you can try making the last segment of the line drawn an arrow in that direction and see what happens....we don't have your X,Y data to work with to see what would happen...

Ghazwan 2022-10-11

can you share your code?

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Answer 1

Bjorn Gustavsson 2022-10-11

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1821713-how-to-add-clockwise-and-anti-clockwise-direction-arrow-in-plotting-in-matlab#answer_1071138

Download these two file exchange arrow-drawing contributions:

arrow3

arrow

They will be useful arrow-drawing functions for all your needs. Depending on "day in the lunar cycle or whatever" I use one or the other interchangeably and with equal quality.

HTH