public void CircleGraphTests()
{
GeometryGraph graph = GraphGenerator.GenerateCircle(10);
SugiyamaLayoutSettings settings = new SugiyamaLayoutSettings();
GraphGenerator.SetRandomNodeShapes(graph, random);
WriteLine("Trying Circle Graph with Top to Down layer direction");
LayoutAndValidate(graph, settings, 18, 10);
}
public void CircleGraphDownwardConstraintTests()
{
GeometryGraph graph = GraphGenerator.GenerateCircle(6);
ISet <Node> avoidNodes = new HashSet <Node>(graph.Nodes);
Node firstNode = graph.Nodes.First();
Node lastNode = graph.Nodes.Last();
//add some non-cyclic nodes
Node node1 = GraphGenerator.CreateNode(graph.Nodes.Count);
Node node2 = GraphGenerator.CreateNode(graph.Nodes.Count + 1);
graph.Nodes.Add(node1);
graph.Nodes.Add(node2);
graph.Edges.Add(GraphGenerator.CreateEdge(firstNode, node1));
graph.Edges.Add(GraphGenerator.CreateEdge(node2, lastNode));
GraphGenerator.SetRandomNodeShapes(graph, random);
LayoutAndValidate(graph, 2.5, avoidNodes);
}
