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Polarplot axis label: how to edit the value?

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Can anyone tell me how is it possible to change the radial axis label in polarplot function? I want the original label to be subtracted by certain value, e.g. 1.0
I just to manipulate the axis label, without changing the value of the data or result. Thus, the plot will essential remain the same, just the label is "manipulated".
Suppose I have the following data:
x = linspace(0,2*pi);
y = cos(x)+ sin(x);
The results of that function is
Now, what I want is to change the original axis label [0 0.5 1.0 1.5] into [-1 -0.5 0 0.5].
How can we do that?
This is what I expect

Accepted Answer

dpb on 21 Dec 2018
hPP=polarplot(x,y); % plot, save handle
hPA=hPP.Parent; % retrieve polar axes handle (parent of polar plot)
hPA.RTickLabel=hPA.RTick-1; % rewrite radius tick labels as desired
hPA.RColor='r'; % change color
Cesim Dumlu
Cesim Dumlu on 25 May 2022
@dpb Thanks for the answer. Is it possible to modify the fontsize of rticks only ?
dpb on 25 May 2022
No, 'FontSize' is only one property for the polar axes object -- follow the links from the "See Also" link to the section on properties for the object -- or save the axes handle and click on the "show all properties" link that shows up in the command window if you display the handle value interactively.

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