public void CalculateLayout_ReportsAllProgress()
{
GeometryGraph treeGraph = GraphGenerator.GenerateTree(20);
var settings = new FastIncrementalLayoutSettings();
InitialLayout layout = new InitialLayout(treeGraph, settings);
double progress = 0.0;
EventHandler<ProgressChangedEventArgs> handler = (s, e) => progress = e.RatioComplete;
try
{
layout.ProgressChanged += handler;
layout.Run();
}
finally
{
layout.ProgressChanged -= handler;
}
Assert.AreEqual(0, treeGraph.BoundingBox.Bottom);
Assert.AreEqual(0, treeGraph.BoundingBox.Left);
foreach (var v in treeGraph.Nodes)
{
Assert.IsTrue(treeGraph.BoundingBox.Contains(v.BoundingBox));
}
Assert.AreEqual(1.0, progress, "Progress was never reported as 100%. Last update was at " + progress + "%");
}
/// <summary>
/// Calculates the graph layout
/// </summary>
/// <exception cref="CancelException">Thrown when the layout is canceled.</exception>
#else
/// <summary>
/// Calculates the graph layout
/// </summary>
/// <exception cref="System.OperationCanceledException">Thrown when the layout is canceled.</exception>
#endif
public static void CalculateLayout(GeometryGraph geometryGraph, LayoutAlgorithmSettings settings, CancelToken cancelToken) {
Console.WriteLine("starting CalculateLayout");
if (settings is RankingLayoutSettings) {
var rankingLayoutSettings = settings as RankingLayoutSettings;
var rankingLayout = new RankingLayout(rankingLayoutSettings, geometryGraph);
rankingLayout.Run(cancelToken);
RouteAndLabelEdges(geometryGraph, settings, geometryGraph.Edges);
}
else if (settings is MdsLayoutSettings) {
var mdsLayoutSettings = settings as MdsLayoutSettings;
var mdsLayout = new MdsGraphLayout(mdsLayoutSettings, geometryGraph);
mdsLayout.Run(cancelToken);
if (settings.EdgeRoutingSettings.EdgeRoutingMode != EdgeRoutingMode.None)
RouteAndLabelEdges(geometryGraph, settings, geometryGraph.Edges);
}
else if (settings is FastIncrementalLayoutSettings) {
var incrementalSettings = settings as FastIncrementalLayoutSettings;
incrementalSettings.AvoidOverlaps = true;
var initialLayout = new InitialLayout(geometryGraph, incrementalSettings);
initialLayout.Run(cancelToken);
if (settings.EdgeRoutingSettings.EdgeRoutingMode != EdgeRoutingMode.None)
RouteAndLabelEdges(geometryGraph, settings, geometryGraph.Edges);
//incrementalSettings.IncrementalRun(geometryGraph);
}
else {
var sugiyamaLayoutSettings = settings as SugiyamaLayoutSettings;
if (sugiyamaLayoutSettings != null)
ProcessSugiamaLayout(geometryGraph, sugiyamaLayoutSettings, cancelToken);
else {
Debug.Assert(settings is LgLayoutSettings);
LayoutLargeGraphWithLayers(geometryGraph, settings, cancelToken);
}
}
}
void ForceDirectedLayout(FastIncrementalLayoutSettings settings, GeometryGraph component) {
LayoutAlgorithmHelpers.ComputeDesiredEdgeLengths(settings.IdealEdgeLength, component);
var layout = new InitialLayout(component, settings) { SingleComponent = true };
layout.Run(this.CancelToken);
InitialLayoutHelpers.RouteEdges(component, settings, this.CancelToken);
InitialLayoutHelpers.PlaceLabels(component, this.CancelToken);
InitialLayoutHelpers.FixBoundingBox(component, settings);
}
void ForceDirectedLayout(FastIncrementalLayoutSettings settings, GeometryGraph component) {
LayoutAlgorithmHelpers.ComputeDesiredEdgeLengths(settings.IdealEdgeLength, component);
var layout = new InitialLayout(component, settings) {SingleComponent = true};
layout.Run(this.CancelToken);
InitialLayoutHelpers.RouteEdges(component, settings, this.CancelToken);
InitialLayoutHelpers.PlaceLabels(component, this.CancelToken);
InitialLayoutHelpers.FixBoundingBox(component, settings);
}
static void TestFD() {
GeometryGraph graph = CreateGeometryGraphForFD();
//LayoutAlgorithmSettings.ShowGraph(graph);
var settings = new FastIncrementalLayoutSettings {
AvoidOverlaps = true,
ApplyForces = false,
RungeKuttaIntegration = true
};
var ir = new InitialLayout(graph, settings);
ir.Run();
RouteEdges(graph, settings);
//LayoutAlgorithmSettings.ShowGraph(graph);
// AddNodeFd(graph);
var n = new Node(CurveFactory.CreateDiamond(200, 200, new Point(350, 230)));
var e = new Edge(n, graph.Nodes[42]);
graph.Edges.Add(e);
e = new Edge(n, graph.Nodes[6]);
graph.Edges.Add(e);
e = new Edge(n, graph.Nodes[12]);
graph.Edges.Add(e);
graph.Nodes.Add(n);
graph.RootCluster.AddChild(n);
settings.algorithm=new FastIncrementalLayout(graph, settings, settings.MaxConstraintLevel, f=>settings);
settings.Unconverge();
settings.CreateLock(n, new Rectangle(200, 400, 500, 100));
do {
settings.IncrementalRun(graph);
} while (!settings.Converged);
RouteEdges(graph, settings);
#if DEBUG
LayoutAlgorithmSettings.ShowGraph(graph);
#endif
Environment.Exit(0);
}
public void SimpleClusterGraphRectilinear()
{
var g = new GeometryGraph();
var node0 = new Node(CurveFactory.CreateRectangle(10, 10, new Point()), 0);
var node1 = new Node(CurveFactory.CreateRectangle(10, 10, new Point()), 1);
var cluster = new Cluster(new[] { node1 });
cluster.UserData = 2;
cluster.BoundaryCurve = CurveFactory.CreateRectangle(10, 10, new Point());
var edge = new Edge(node0, node1) { Length = 100 };
g.Nodes.Add(node0);
g.Nodes.Add(node1);
g.Edges.Add(edge);
var cluster2 = new Cluster(new[] { node0 }, new[] { cluster });
cluster2.UserData = 3;
cluster2.BoundaryCurve = CurveFactory.CreateRectangle(10, 10, new Point());
g.RootCluster = cluster2;
InitialLayout initialLayout = new InitialLayout(g, new FastIncrementalLayoutSettings() { AvoidOverlaps = true });
initialLayout.Run();
RectilinearEdgeRouter router = new RectilinearEdgeRouter(g, 1, 1, false);
router.Run();
EnableDebugViewer();
ShowGraphInDebugViewer(g);
var bb0 = node0.BoundingBox;
bb0.Pad(1);
Assert.IsTrue(bb0.Contains(edge.EdgeGeometry.Curve.Start));
var bb1 = node1.BoundingBox;
bb1.Pad(1);
Assert.IsTrue(bb1.Contains(edge.EdgeGeometry.Curve.End));
}
private void LayoutAndValidate(bool defaultSticky, double separation, double minSeparation, double maxSeparation)
{
InitialLayout initialLayout = new InitialLayout(graph, settings);
initialLayout.Run();
// Apply incremental layout to satisfy constraints.
settings.IncrementalRun(graph);
//ShowGraphInDebugViewer(graph);
// stick constraints have a little slack in their projection
const double StickDelta = 1;
double distance = (constrainedNodes[0].Center - constrainedNodes[1].Center).Length;
if (defaultSticky)
{
Assert.AreEqual(separation, distance, StickDelta, string.Format("Distance {3} between node {0} to node {1} not approximately equal to stickConstraint separation {2}", constrainedNodes[0].UserData, constrainedNodes[1].UserData, separation, distance));
}
else
{
Assert.IsTrue(distance >= minSeparation && distance <= maxSeparation, string.Format("Distance {4} between node {0} to node {1} not between min {2} and max {3}", constrainedNodes[0].UserData, constrainedNodes[1].UserData, minSeparation, maxSeparation, distance));
}
}
private static void LayoutAndValidate(GeometryGraph graph, double separationRatio, ISet<Node> validationExcludedNodes)
{
const double downwardEdgeSeparation = 70;
FastIncrementalLayoutSettings settings = new FastIncrementalLayoutSettings();
settings.IdealEdgeLength = new IdealEdgeLengthSettings
{
ConstrainedEdgeSeparation = downwardEdgeSeparation,
EdgeDirectionConstraints = Directions.South
};
settings.AvoidOverlaps = true;
InitialLayout initialLayout = new InitialLayout(graph, settings);
initialLayout.Run();
ShowGraphInDebugViewer(graph);
ValidateDownwardEdgeConstraints(graph, downwardEdgeSeparation, validationExcludedNodes);
}
