private Solid.Profile CalculateProfile(AcadGeo.Point3d pnt) { Solid.Profile ret_prol = new Solid.Profile(profile); Node sn = FindNode(ret_prol.BasePoint); Node dn = FindNode(pnt); if (sn == dn) { return(ret_prol); } if (null == sn || null == dn) { return(null); } IEnumerable <Connection> routes = null; TryFunc <Node, IEnumerable <Connection> > func = routers.ShortestPathsDijkstra(e => 1, sn); if (func(dn, out routes)) { if (null == routes || 0 == routes.Count()) { return(null); } List <AcadGeo.Point3d> route_pnts = new List <AcadGeo.Point3d>(); route_pnts.Add(sn.Position); for (int i = 0; i < routes.Count(); i++) { if (routes.ElementAt(i).Source.Position.IsEqualTo(route_pnts.Last())) { route_pnts.Add(routes.ElementAt(i).Target.Position); } else { route_pnts.Add(routes.ElementAt(i).Source.Position); } } if (route_pnts.Count > 1) { ret_prol.Rotate(AcadFuncs.GetVec(route_pnts[0], route_pnts[1])); } for (int i = 0; i < route_pnts.Count() - 1; i++) { AcadGeo.Point3d sc = route_pnts.ElementAt(i); AcadGeo.Point3d dc = route_pnts.ElementAt(i + 1); ret_prol.Translate(AcadFuncs.GetVec(dc, sc) * sc.DistanceTo(dc)); if (i > 0) { ret_prol.Rotate(ret_prol.BasePoint.IsEqualTo(dc) ? AcadFuncs.GetVec(dc, sc) : AcadFuncs.GetVec(sc, dc)); } } return(ret_prol); } return(null); }