I called mine Previous, Current, and Next and used a notation like V(n-1), V(n), & V(n+1) for shorthand. I found the rotation angle using vector math. I have been recently working on the same problem. I've tried to attach a screenshot of the rotation angle I'm trying to get. I hope I described the problem well enough. This value must be equal to the angle of rotation (in degrees) necessary for each line. However - i"m really struggling (completely clueless) on how to get the rotation value. I've figured out the length and angle values, as those are easy to arrive to using the Cartesian distance formula, and the law of cosines for the deltas of the related points. Given the following XYZ points (Px) coordinates: The XYZ coordinates are coming from a list of XYZ values given to me from a CAD application. The application of this problem is to be used for a recently procured bending machine, which takes a long pipe, and bends it according to these values. I've received an assignment to convert a series of XYZ coordinates to relative LRA (or YBC - depending on your industry) Length Rotation Angle values. I'm not sure this is the right place to post this question, but I'm hoping it is!
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