public static List <ICurve> GetXzCrossSectionCurves(this IBody2 body)
{
var modeler = SwAddinBase.Active.Modeler;
var yZPlane = ((ISurface)modeler.CreatePlanarSurface2(new[] { 0, 0, 0.0 }, new[] { 1.0, 0, 0 }, new[] { 0, 0, 1.0 })).ToSheetBody();
var cutBody = body
.CutBySheets(new[] { yZPlane })
.First(b => b.GetBodyBoxTs().XMax > 1e-5);
var zXPlane = ((ISurface)modeler.CreatePlanarSurface2(new[] { 0, 0, 0.0 }, new[] { 0, 1.0, 0 }, new[] { 0, 0, 1.0 })).ToSheetBody();
var edges = cutBody.GetIntersectionEdgesNonDestructive(zXPlane)
//GetIntersectionEdges always returns the edges on the target and on the tool!
.Where((p, i) => i % 2 == 0)
.ToList();
return(edges
.Select(e => e.GetCurveTs())
.Where(c => !(Math.Abs(c.StartPoint().X) < 1e-6 && Math.Abs(c.EndPoint().X) < 1e-6))
.Distinct()
.ToList());
}