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带有 2 个部件集标签、 中心位置和 中心位置的 pie 图表
原标题:Pie chart with 2 portion set label with center position

我对在中间边缘将 uilabel 设置为饼图圆有问题。

In my Pie chart there are 2 portion. Both portion change dynamically. How can i get center position in both portion so i can set my label in the center edge of the particular section.

谢谢

Regards, Keyur Bhalodiya

问题回答

使用carteasian 方程式。

(x,y) = (rcos@,rsin@).

R 是馅饼切片的半径 。 @ 是您需要找到点的角度 。 在您的情况中, 您的馅饼切片中间 。





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