public Arc(Nodes.Node fromNode, Nodes.Node toNode, Systems.PlaceTransitionNet housingSystem)
: base()
{
SortNodes();
if (!IsAllowed())
{
throw new System.Exception("Arc " + arcID + " not allowed!");
}
fromNode.AddArc(this);
toNode.AddArc(this);
arcID = housingSystem.AddElement(this);
}
