How can I change the spacing between gridlines on a polar plot?

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Rose
Rose 2013-11-12
回答： Walter Roberson 2013-11-12
When I draw a polar plot the spacing between the two circular grid line is 2. But I want to have 2.5 spacing

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Walter Roberson
Walter Roberson 2013-11-12
polar() makes no provision for changing this.
If you want to do it then you will need to read through polar.m and see how it constructs multiple axes, and how it constructs the circles as lines on the plot. Then either copy the source to polar into a new function and modify it for your needs, or else use polar as always but afterwards find the hidden axes and remove the drawn circles and draw new ones.

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