Point FigureOutHookLocationForClusterOtherPort(Polyline poly, ClusterBoundaryPort otherEdgeEndPort, EdgeGeometry edgeGeom) {
var shapes = shortestPathRouter.MakeTransparentShapesOfEdgeGeometry(edgeGeom);
//SplineRouter.ShowVisGraph(this.VisibilityGraph, this.LooseHierarchy.GetAllLeaves(),
// shapes.Select(sh => sh.BoundaryCurve), new[] { new LineSegment(edgeGeom.SourcePort.Location, edgeGeom.TargetPort.Location) });
var s = new MultipleSourceMultipleTargetsShortestPathOnVisibilityGraph(otherEdgeEndPort.LoosePolyline.Select(p => VisibilityGraph.FindVertex(p)),
poly.Select(p => VisibilityGraph.FindVertex(p)), VisibilityGraph);
var path = s.GetPath();
foreach (var sh in shapes)
sh.IsTransparent = false;
return path.Last().Point;
}
