internal static GeometryGraph CreateAndLayoutGraph()
{
double w = 40;
double h = 10;
GeometryGraph graph = new GeometryGraph();
// columns
var col0 = new[] { "a", "b", "c" };
var col1 = new[] { "d", "e", "f", "g" };
var col2 = new[] { "k", "l", "m", "n" };
var col3 = new[] { "w", "y", "z" };
var settings = new SugiyamaLayoutSettings();
foreach (var id in col0)
DrawingUtilsForSamples.AddNode(id, graph, w, h);
foreach (var id in col1)
DrawingUtilsForSamples.AddNode(id, graph, w, h);
foreach (var id in col2)
DrawingUtilsForSamples.AddNode(id, graph, w, h);
foreach (var id in col3)
DrawingUtilsForSamples.AddNode(id, graph, w, h);
//pinning columns
settings.PinNodesToSameLayer(col0.Select(s => graph.FindNodeByUserData(s)).ToArray());
settings.PinNodesToSameLayer(col1.Select(s => graph.FindNodeByUserData(s)).ToArray());
settings.PinNodesToSameLayer(col2.Select(s => graph.FindNodeByUserData(s)).ToArray());
settings.PinNodesToSameLayer(col3.Select(s => graph.FindNodeByUserData(s)).ToArray());
AddEdgesBetweenColumns(col0, col1, graph);
AddEdgesBetweenColumns(col1, col2, graph);
AddEdgesBetweenColumns(col2, col3, graph);
// rotate layer to columns
settings.Transformation = PlaneTransformation.Rotation(Math.PI/2);
settings.NodeSeparation = 5;
settings.LayerSeparation = 100;
var ll = new LayeredLayout(graph, settings);
ll.Run();
return graph;
}
static void TransferVerticalConstraints(VerticalConstraintsForLayeredLayout verticalConstraints,
SugiyamaLayoutSettings sugiyamaLayoutSettings) {
foreach (Node node in verticalConstraints._minLayerOfDrawingGraph)
{
CheckGeomNode(node);
sugiyamaLayoutSettings.PinNodesToMinLayer(node.GeometryNode);
}
foreach (Node node in verticalConstraints._maxLayerOfDrawingGraph)
{
CheckGeomNode(node);
sugiyamaLayoutSettings.PinNodesToMaxLayer(node.GeometryNode);
}
foreach (var couple in verticalConstraints.SameLayerConstraints)
{
CheckGeomNode(couple.Item1); CheckGeomNode(couple.Item2);
sugiyamaLayoutSettings.PinNodesToSameLayer(couple.Item1.GeometryNode,
couple.Item2.GeometryNode);
}
foreach (var couple in verticalConstraints.UpDownConstraints)
{
CheckGeomNode(couple.Item1); CheckGeomNode(couple.Item2);
sugiyamaLayoutSettings.AddUpDownConstraint(couple.Item1.GeometryNode,
couple.Item2.GeometryNode);
}
}
