How to change coordinates of the center of a radar plot?

Question

Mariam Shahab 2023-3-20

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https://ww2.mathworks.cn/matlabcentral/answers/1931585-how-to-change-coordinates-of-the-center-of-a-radar-plot

回答： Naren 2023-3-30

Hi all,

Im using the radarplot function. You can find the code for this function in the link below:

https://www.mathworks.com/matlabcentral/fileexchange/30305-spider-rader-chart-for-multi-data

Using this function I get the following image:

The center of this plot is at (0,0). I want to know if there is a way to change these coordinates using ginput . Any advice will be appreciated. Thanks.

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Answer 1

Naren 2023-3-30

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在 MATLAB Online 中打开

Hey Shahab,

I understand you are trying to change the centre of the plot using ginput. If an offset is given to the plot, it will just move the plot in some direction, and ginput just stores the point on the plot that is selected. To understand this, open the radarplot function and go through the following code.

R=[R R(:,1)];
[Theta,M]=meshgrid(2*pi/n*(0:n)+pi/n,ones(1,size(R,1)));
X=R.*sin(Theta);
Y=R.*cos(Theta);
A=plot(X',Y','LineWidth',2);
MAXAXIS=max(max(R))*1.1;
axis([-MAXAXIS MAXAXIS -MAXAXIS MAXAXIS]);
axis equal
axis off 