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  1. #1
    Member
    Join Date
    Jun 2019
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    1

    CNC Circular Interpolation

    Hello everyone,
    I am making my own cnc machine from parts taken from a printer and a scanner. I am using a raspberry pi for driving the stepper motors and have started implementing my own program in python. I have nearly finished it, but the only part missing is how to calculate the circular interpolation. I would like the equations in order to be able to draw arcs from two points.

    I have tried the following so far but none worked as expected:

    Bresenham's circle drawing algorithm: http://www.geeksforgeeks.org/bresenh...ing-algorithm/
    Mid-point circle drawing algorithm: http://www.geeksforgeeks.org/mid-poi...ing-algorithm/
    Circle Generation Algorithm: https://www.tutorialspoint.com/compu..._algorithm.htm

    Could you please help me?
    Thank you.

    Stratos
    Last edited by stratosb; 06-08-2019 at 08:51 PM.

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