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Math Help - Convert bearing range

  1. #1
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    Convert bearing range

    Hi, I have a radian measure in the range of (-pi, pi]. But I need it to be in [0,2pi). I have tried doing this -

    NewValue = (((OldValue - OldMin) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin

    But it did not work for me. I'm guessing that is because I'm working with radians. How can I convert these values to the range of [0,2pi)? Any help is appreciated, thanks.
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  2. #2
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    Re: Convert bearing range

    Quote Originally Posted by SterlingM View Post
    Hi, I have a radian measure in the range of (-pi, pi]. But I need it to be in [0,2pi).
    If 0\le\theta\le\pi then \theta\mapsto\theta.

    If =-\pi<\theta<0 then \theta\mapsto\theta+2\pi.
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