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这个theta_err只是把0~360变成-180~180。 动态控制看PID。
但是,line.theta()返回的角度是0~179度呀,为什么会有360度。。还想咨询一下,是不是不变换之前,偏移量是α,变换之后才变成theta,如图。有点不太理解,麻烦您解答一下。。
默认的坐标系为(90,180,0,90)