public override bool ProcessLine(byte[] line) { double StartAngle, EndAngle, Radius, Width; Layers Layer; double X1, Y1; Int16 Component; Int16 net; base.ProcessLine(); ArcStruct a = ByteArrayToStructure <ArcStruct>(line); Layer = (Layers)a.Layer; net = a.net; net++; Component = a.Component; X1 = Math.Round((double)a.X1 * 25.4 / 10000000 - originX, Precision); Y1 = Math.Round((double)a.Y1 * 25.4 / 10000000 - originY, Precision); Radius = Math.Round((double)a.Radius * 25.4 / 10000000, Precision); StartAngle = a.StartAngle; EndAngle = a.EndAngle; Width = (double)a.Width * 25.4 / 10000000; bool InComponent = Component != -1; double Angle; if (EndAngle < StartAngle) { EndAngle += 360; } Angle = (EndAngle - StartAngle); double X = X1 + Radius * Math.Cos(StartAngle * Math.PI / 180); double Y = Y1 + Radius * Math.Sin(StartAngle * Math.PI / 180); string layer = Brd.GetLayer(Layer); if (!InComponent) { if (net > 0 && Brd.IsCopperLayer(Layer)) { if (!Globals.PcbnewVersion) { // arcs with nets on copper layers allowed in 5.99 Arc Arc = new Arc(X1, Y1, StartAngle, EndAngle, Radius, Layer, Width, net); ArcsL.Add(Arc); } else { //arcs.Append($" (arc (start {Math.Round(X1, Precision)} {Math.Round(-Y1, Precision)}) (end {Math.Round(X, Precision)} {Math.Round(-Y, Precision)}) (angle {Math.Round(Angle, Precision)}) (layer {L}) (net {Net}) (width {Width}))\n"); // we have an arc/track on a copper layer and it has a net // these aren't supported by KiCad yet so generate a curve out of track segments // first normalise it so that the centre is at 0,0 // save the centre point double XC = X1; double YC = Y1; X = X - XC; Y = Y - YC; double radius = Math.Sqrt(X * X + Y * Y); // start angle in radians double start_angle = Arc.Radians(StartAngle); double end_angle = Arc.Radians(EndAngle); double X2 = Radius * Math.Cos(end_angle); double Y2 = Radius * Math.Sin(end_angle); X = Radius * Math.Cos(start_angle); Y = Radius * Math.Sin(start_angle); // generate arc segments at 5° increments for (double angle = start_angle; angle < end_angle; angle += 2 * Math.PI / 72) { X1 = Radius * Math.Cos(angle); Y1 = Radius * Math.Sin(angle); Line Line = new Line(XC + X, YC + Y, XC + X1, YC + Y1, layer, Width, net); LinesL.Add(Line); X = X1; Y = Y1; } // do last segment if (X != X2 || Y != Y2) { Line Line = new Line(X + XC, Y + YC, X2 + XC, Y2 + YC, layer, Width, net); LinesL.Add(Line); } } } else { // only add if not part of board outline if ((layer != "Edge.Cuts") || !Brd.CheckExistingArc(X1, Y1, X, Y, Angle)) { List <string> Layers = Brd.GetLayers(layer); foreach (var L in Layers) { Arc Arc = new Arc(X1, Y1, StartAngle, EndAngle, Radius, Brd.GetAltiumLayer(L), Width); ArcsL.Add(Arc); } } } } else { Arc Arc = new Arc(X1, Y1, StartAngle, EndAngle, Radius, Layer, Width); ModulesL[Component].Arcs.Add(Arc); } return(true); }