static void doDXF(List<PolylineVertex> vertexes, double[] x)
{
// create a dxf for those who want to "see" the calibration
netDxf.DxfDocument dxf = new netDxf.DxfDocument();
Polyline polyline = new Polyline(vertexes, true);
polyline.Layer = new Layer("polyline");
polyline.Layer.Color.Index = 24;
dxf.AddEntity(polyline);
var pnt = new Point(new netDxf.Vector3(-(float) x[0], -(float) x[1], -(float) x[2]));
pnt.Layer = new Layer("new offset");
pnt.Layer.Color.Index = 21;
dxf.AddEntity(pnt);
dxf.Save(Settings.GetUserDataDirectory() + "magoffset.dxf");
log.Info("dxf Done " + DateTime.Now);
}