public static Polyline GetProjectedPolyline(this Polyline pline, [NotNull] Plane plane, Vector3d direction)
{
var tol = new Tolerance(1e-9, 1e-9);
if (plane.Normal.IsPerpendicularTo(direction, tol))
{
return(null);
}
if (pline.Normal.IsPerpendicularTo(direction, tol))
{
var dirPlane = new Plane(Point3d.Origin, direction);
if (!pline.IsWriteEnabled)
{
pline = pline.UpgradeOpenTr();
}
pline.TransformBy(Matrix3d.WorldToPlane(dirPlane));
var extents = pline.GeometricExtents;
pline.TransformBy(Matrix3d.PlaneToWorld(dirPlane));
return(GeomExt.ProjectExtents(extents, plane, direction, dirPlane));
}
return(GeomExt.ProjectPolyline(pline, plane, direction));
}
public static Polyline GetProjectedPolyline(this Polyline3d pline, [NotNull] Plane plane, Vector3d direction)
{
return(plane.Normal.IsPerpendicularTo(direction, new Tolerance(1e-9, 1e-9))
? null
: GeomExt.ProjectPolyline(pline, plane, direction));
}