void SetupConstraints()
{
AddConstraintLevel(0);
if (settings.AvoidOverlaps)
{
AddConstraintLevel(2);
}
foreach (IConstraint c in settings.StructuralConstraints)
{
AddConstraintLevel(c.Level);
if (c is VerticalSeparationConstraint)
{
verticalSolver.AddStructuralConstraint(c);
}
else if (c is HorizontalSeparationConstraint)
{
horizontalSolver.AddStructuralConstraint(c);
}
else
{
AddConstraint(c);
}
}
EdgeConstraintGenerator.GenerateEdgeConstraints(graph.Edges, settings.IdealEdgeLength, horizontalSolver,
verticalSolver);
}
/// <summary>
/// Creates a VerticalSeparationConstraint for each edge in the given set to structural constraints,
/// to require these edges to be downward pointing. Also checks for cycles, and edges involved
/// in a cycle receive no VerticalSeparationConstraint, but can optionally receive a circle constraint.
/// </summary>
/// <param name="edges"></param>
/// <param name="settings"></param>
/// <param name="horizontalSolver"></param>
/// <param name="verticalSolver"></param>
internal static void GenerateEdgeConstraints(
IEnumerable <Edge> edges,
IdealEdgeLengthSettings settings,
AxisSolver horizontalSolver,
AxisSolver verticalSolver)
{
if (settings.EdgeDirectionConstraints == Directions.None)
{
return;
}
EdgeConstraintGenerator g = new EdgeConstraintGenerator(edges, settings, horizontalSolver, verticalSolver);
g.GenerateSeparationConstraints();
}
/// <summary>
/// Creates a VerticalSeparationConstraint for each edge in the given set to structural constraints,
/// to require these edges to be downward pointing. Also checks for cycles, and edges involved
/// in a cycle receive no VerticalSeparationConstraint, but can optionally receive a circle constraint.
/// </summary>
/// <param name="edges"></param>
/// <param name="settings"></param>
/// <param name="horizontalSolver"></param>
/// <param name="verticalSolver"></param>
internal static void GenerateEdgeConstraints(
IEnumerable<Edge> edges,
IdealEdgeLengthSettings settings,
AxisSolver horizontalSolver,
AxisSolver verticalSolver)
{
if (settings.EdgeDirectionConstraints == Directions.None)
{
return;
}
EdgeConstraintGenerator g = new EdgeConstraintGenerator(edges, settings, horizontalSolver, verticalSolver);
g.GenerateSeparationConstraints();
// we have in the past used Circular constraints to better show cycles... it's a little experimental though
// so it's not currently enabled
//foreach (var c in g.CyclicComponents) {
// constraints.Add(new ProcrustesCircleConstraint(c));
//}
}
/// <summary>
/// Creates a VerticalSeparationConstraint for each edge in the given set to structural constraints,
/// to require these edges to be downward pointing. Also checks for cycles, and edges involved
/// in a cycle receive no VerticalSeparationConstraint, but can optionally receive a circle constraint.
/// </summary>
/// <param name="edges"></param>
/// <param name="settings"></param>
/// <param name="horizontalSolver"></param>
/// <param name="verticalSolver"></param>
internal static void GenerateEdgeConstraints(
IEnumerable <Edge> edges,
IdealEdgeLengthSettings settings,
AxisSolver horizontalSolver,
AxisSolver verticalSolver)
{
if (settings.EdgeDirectionConstraints == Directions.None)
{
return;
}
EdgeConstraintGenerator g = new EdgeConstraintGenerator(edges, settings, horizontalSolver, verticalSolver);
g.GenerateSeparationConstraints();
// we have in the past used Circular constraints to better show cycles... it's a little experimental though
// so it's not currently enabled
//foreach (var c in g.CyclicComponents) {
// constraints.Add(new ProcrustesCircleConstraint(c));
//}
}