public static List <Line> UnconnectedEdges(this BuildingElement element, List <BuildingElement> space)
{
List <Line> edges = element.Edges();
List <Line> unconnected = new List <Line>();
List <Line> allEdges = space.Edges();
foreach (Line l in edges)
{
if (allEdges.Where(x => x.BooleanIntersection(l) != null).ToList().Count < 2)
{
unconnected.Add(l);
}
}
return(unconnected);
}
