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  1. Fahr

    LWPOLYLINE bulge to ARC

    IFRs - I read it and I understand it. However, I need more than just that. For now I am just working on turning it into the full circle and then further. I have the following; double chord = sqrt(pow(abs(P1.x - P2.x), 2) + pow(abs(P1.y - P2.y), 2)); double s = chord / 2 * bulge; double radius =...
  2. Fahr

    LWPOLYLINE bulge to ARC

    I already found that site, borgunit, but it describes all the procedures in LISP using many default AutoCAD functions which I can't just implement in C. The story may provide some mathematical geniuses with enough info on deriving the formula, but I am no such genius... I'm really looking for a...
  3. Fahr

    LWPOLYLINE bulge to ARC

    Hello people, I'm struggling with the following; I built a DXF parser/drawer in C++ which works fine, except for the bulges (42) in LWPOLYLINEs. I tried to convert this bulge to an ARC, but I can't figure it out. All the samples online are in Lisp and I don't quite read Lisp... Can someone...

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