private static Cluster CreateCluster(IEnumerable <Node> nodes, double margin, string name = "")
{
var cluster = new Cluster(nodes.Where(n => !(n is Cluster)))
{
RectangularBoundary =
new RectangularClusterBoundary {
LeftMargin = margin, RightMargin = margin, BottomMargin = margin, TopMargin = margin
},
BoundaryCurve = CurveFactory.CreateRectangle(1, 1, new Point())
};
cluster.CalculateBoundsFromChildren(0);
cluster.UserData = name;
var nc = nodes.Where(n => n is Cluster);
foreach (var b in nc)
{
cluster.AddCluster((Cluster)b);
}
return(cluster);
}