/// <summary>
/// Create a RectilinearEdgeRouter populated with the passed obstacles.
/// </summary>
/// <returns>The populated RectilinearEdgeRouter</returns>
static RectilinearEdgeRouter FillRouter(double cornerFitRadius, double padding, IEnumerable <Node> obstacleNodes, IEnumerable <Edge> geomEdges
, EdgeRoutingMode edgeRoutingMode, bool useSparseVisibilityGraph, bool useObstacleRectangles, double bendPenaltyAsAPercentageOfDistance)
{
Debug.Assert((EdgeRoutingMode.Rectilinear == edgeRoutingMode) || (EdgeRoutingMode.RectilinearToCenter == edgeRoutingMode)
, "Non-rectilinear edgeRoutingMode");
var nodeShapeMap = new Dictionary <Node, Shape>();
foreach (Node node in obstacleNodes)
{
Shape shape = CreateShapeWithRelativeNodeAtCenter(node);
nodeShapeMap.Add(node, shape);
}
var router = new RectilinearEdgeRouter(nodeShapeMap.Values, padding, cornerFitRadius, useSparseVisibilityGraph, useObstacleRectangles)
{
RouteToCenterOfObstacles = (edgeRoutingMode == EdgeRoutingMode.RectilinearToCenter),
BendPenaltyAsAPercentageOfDistance = bendPenaltyAsAPercentageOfDistance
};
foreach (var geomEdge in geomEdges)
{
var edgeGeom = geomEdge.EdgeGeometry;
edgeGeom.SourcePort = nodeShapeMap[geomEdge.Source].Ports.First();
edgeGeom.TargetPort = nodeShapeMap[geomEdge.Target].Ports.First();
router.AddEdgeGeometryToRoute(edgeGeom);
}
return(router);
}
static void DemoEdgeRouterHelper(GeometryGraph graph)
{
DemoRoutingFromPortToPort(graph);
var router = new SplineRouter(graph, 3, 3, Math.PI / 6, null);
router.Run();
#if TEST
LayoutAlgorithmSettings.ShowGraph(graph);
#endif
var rectRouter = new RectilinearEdgeRouter(graph, 3,3, true);
rectRouter.Run();
#if TEST
LayoutAlgorithmSettings.ShowGraph(graph);
#endif
}
internal static void RouteEdges(GeometryGraph component, LayoutAlgorithmSettings settings, CancelToken cancelToken)
{
EdgeRoutingMode mode = settings.EdgeRoutingSettings.EdgeRoutingMode;
// Use straight line routing on very large graphs otherwise it is too slow
if (component.Nodes.Count >= 2000)
{
mode = EdgeRoutingMode.StraightLine;
}
switch (mode)
{
case EdgeRoutingMode.Spline:
var splineRouter = new SplineRouter(
component,
settings.EdgeRoutingSettings.Padding,
settings.NodeSeparation, settings.EdgeRoutingSettings.ConeAngle, null);
splineRouter.Run(cancelToken);
break;
case EdgeRoutingMode.SplineBundling:
splineRouter = new SplineRouter(
component,
settings.EdgeRoutingSettings.Padding,
settings.NodeSeparation / 20, settings.EdgeRoutingSettings.ConeAngle,
new BundlingSettings());
splineRouter.Run(cancelToken);
break;
case EdgeRoutingMode.Rectilinear:
double edgePadding = settings.EdgeRoutingSettings.Padding;
double cornerRadius = settings.EdgeRoutingSettings.CornerRadius;
var rectilinearEdgeRouter = new RectilinearEdgeRouter(component, edgePadding, cornerRadius,
true);
rectilinearEdgeRouter.Run(cancelToken);
break;
case EdgeRoutingMode.StraightLine:
var router = new StraightLineEdges(component.Edges,
settings.EdgeRoutingSettings.Padding);
router.Run(cancelToken);
break;
}
}
void RunPostLayering() {
#if REPORTING
Timer t = null;
if (sugiyamaSettings.Reporting) {
Report("Calculating edge splines... ");
t = new Timer();
t.Start();
}
#endif
EdgeRoutingSettings routingSettings = sugiyamaSettings.EdgeRoutingSettings;
var mode = routingSettings.EdgeRoutingMode;
if (constrainedOrdering != null) //we switch to splines when there are constraints, since the ordering of virtual nodes sometimes does not do a good job
mode = EdgeRoutingMode.Spline;
switch (mode) {
case EdgeRoutingMode.SugiyamaSplines:
CalculateEdgeSplines();
break;
case EdgeRoutingMode.StraightLine:
StraightLineEdges.SetStraightLineEdgesWithUnderlyingPolylines(originalGraph);
SetLabels();
break;
case EdgeRoutingMode.Spline:
double padding = sugiyamaSettings.NodeSeparation/4;
double loosePadding = SplineRouter.ComputeLooseSplinePadding(sugiyamaSettings.NodeSeparation,
padding);
var router = new SplineRouter(originalGraph, padding, loosePadding, (Math.PI / 6), null);
router.Run();
SetLabels();
break;
case EdgeRoutingMode.SplineBundling:
double coneAngle = routingSettings.ConeAngle;
padding = sugiyamaSettings.NodeSeparation/20;
loosePadding = SplineRouter.ComputeLooseSplinePadding(sugiyamaSettings.NodeSeparation, padding)*2;
if (sugiyamaSettings.EdgeRoutingSettings.BundlingSettings == null)
sugiyamaSettings.EdgeRoutingSettings.BundlingSettings = new BundlingSettings();
var br = new SplineRouter(originalGraph, padding, loosePadding, coneAngle,
sugiyamaSettings.EdgeRoutingSettings.BundlingSettings);
br.Run();
SetLabels();
break;
case EdgeRoutingMode.Rectilinear:
case EdgeRoutingMode.RectilinearToCenter:
//todo: are these good values?
var rer = new RectilinearEdgeRouter(originalGraph, sugiyamaSettings.NodeSeparation/3,
sugiyamaSettings.NodeSeparation/4,
true,
sugiyamaSettings.EdgeRoutingSettings.UseObstacleRectangles);
rer.RouteToCenterOfObstacles = routingSettings.EdgeRoutingMode ==
EdgeRoutingMode.RectilinearToCenter;
rer.BendPenaltyAsAPercentageOfDistance = routingSettings.BendPenalty;
rer.Run();
SetLabels();
break;
}
originalGraph.BoundingBox = originalGraph.PumpTheBoxToTheGraphWithMargins();
#if REPORTING
if (sugiyamaSettings.Reporting) {
t.Stop();
Report(String.Format(CultureInfo.InvariantCulture, "splines done for {0}", t.Duration));
}
#endif
}
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));
}
static void GroupRoutingTestRect() {
LayoutAlgorithmSettings settings;
GeometryGraph graph = GetTestGraphWithClusters(out settings);
var sugiyamaSettings = (SugiyamaLayoutSettings) settings;
var router = new RectilinearEdgeRouter(graph, sugiyamaSettings.NodeSeparation/6,
sugiyamaSettings.NodeSeparation/6,
true,
sugiyamaSettings.EdgeRoutingSettings.UseObstacleRectangles)
{
BendPenaltyAsAPercentageOfDistance = sugiyamaSettings.EdgeRoutingSettings.BendPenalty
};
router.Run();
#if DEBUG
DisplayGeometryGraph.ShowGraph(graph);
#endif
}
static void RectilinearTestOnGeomGraph(EdgeRoutingMode edgeRoutingMode, bool useSparseVisibilityGraph, bool useObstacleRectangles,
double bendPenalty, int reps, Random random, GeometryGraph geomGraph, Point delta) {
Console.WriteLine("shifting nodes and calling RectilinearEdgeRouter {0} times", reps);
for (int i = 0; i < reps; i++) {
Console.WriteLine(i + 1);
ShiftNodes(random, geomGraph, delta);
// if(i<=567)
// continue;
if (i == -1) {
GeometryGraphWriter.Write(geomGraph, "c:/tmp/ch0");
#if TEST_MSAGL
LayoutAlgorithmSettings.ShowDebugCurvesEnumeration(DebugCurvesFromGraph(geomGraph));
#endif
}
var nodeShapeMap = new Dictionary<Node, Shape>();
foreach (Node node in geomGraph.Nodes) {
Shape shape = RectilinearInteractiveEditor.CreateShapeWithRelativeNodeAtCenter(node);
nodeShapeMap[node] = shape;
}
var router = new RectilinearEdgeRouter(nodeShapeMap.Values, RectilinearEdgeRouter.DefaultPadding,
RectilinearEdgeRouter.DefaultCornerFitRadius, useSparseVisibilityGraph, useObstacleRectangles) {
RouteToCenterOfObstacles = edgeRoutingMode == EdgeRoutingMode.RectilinearToCenter,
BendPenaltyAsAPercentageOfDistance = bendPenalty
};
foreach (Edge edge in geomGraph.Edges) {
EdgeGeometry edgeGeom = edge.EdgeGeometry;
edgeGeom.SourcePort = nodeShapeMap[edge.Source].Ports.First();
edgeGeom.TargetPort = nodeShapeMap[edge.Target].Ports.First();
router.AddEdgeGeometryToRoute(edgeGeom);
}
router.UpdateObstacles(geomGraph.Nodes.Select(n => nodeShapeMap[n]));
router.Run();
}
}
static void RouteRectEdgesOfGeomGraph(EdgeRoutingMode edgeRoutingMode, bool useSparseVisibilityGraph, bool useObstacleRectangles,
double bendPenalty, GeometryGraph geomGraph, SugiyamaLayoutSettings settings) {
var nodeShapeMap = new Dictionary<Node, Shape>();
foreach (Node node in geomGraph.Nodes) {
Shape shape = RectilinearInteractiveEditor.CreateShapeWithRelativeNodeAtCenter(node);
nodeShapeMap[node] = shape;
}
var padding = (settings == null) ? 3 : settings.NodeSeparation / 3;
var router = new RectilinearEdgeRouter(nodeShapeMap.Values, padding, 3, useSparseVisibilityGraph, useObstacleRectangles)
{
RouteToCenterOfObstacles = edgeRoutingMode == EdgeRoutingMode.RectilinearToCenter,
BendPenaltyAsAPercentageOfDistance = bendPenalty
};
foreach (Edge edge in geomGraph.Edges) {
EdgeGeometry edgeGeom = edge.EdgeGeometry;
edgeGeom.SourcePort = nodeShapeMap[edge.Source].Ports.First();
edgeGeom.TargetPort = nodeShapeMap[edge.Target].Ports.First();
// Remove any path results retrieved from the geom file.
edgeGeom.Curve = null;
if (edgeGeom.SourceArrowhead != null)
{
edgeGeom.SourceArrowhead.TipPosition = new Point();
}
if (edgeGeom.TargetArrowhead != null)
{
edgeGeom.TargetArrowhead.TipPosition = new Point();
}
router.AddEdgeGeometryToRoute(edgeGeom);
}
router.Run();
}
/// <summary>
/// Create a RectilinearEdgeRouter populated with the passed obstacles.
/// </summary>
/// <returns>The populated RectilinearEdgeRouter</returns>
static RectilinearEdgeRouter FillRouter(double cornerFitRadius, double padding, IEnumerable<Node> obstacleNodes, IEnumerable<Edge> geomEdges
, EdgeRoutingMode edgeRoutingMode, bool useSparseVisibilityGraph, bool useObstacleRectangles, double bendPenaltyAsAPercentageOfDistance) {
Debug.Assert((EdgeRoutingMode.Rectilinear == edgeRoutingMode) || (EdgeRoutingMode.RectilinearToCenter == edgeRoutingMode)
, "Non-rectilinear edgeRoutingMode");
var nodeShapeMap = new Dictionary<Node, Shape>();
foreach (Node node in obstacleNodes)
{
Shape shape = CreateShapeWithRelativeNodeAtCenter(node);
nodeShapeMap.Add(node, shape);
}
var router = new RectilinearEdgeRouter(nodeShapeMap.Values, padding, cornerFitRadius, useSparseVisibilityGraph, useObstacleRectangles)
{
RouteToCenterOfObstacles = (edgeRoutingMode == EdgeRoutingMode.RectilinearToCenter),
BendPenaltyAsAPercentageOfDistance = bendPenaltyAsAPercentageOfDistance
};
foreach (var geomEdge in geomEdges) {
var edgeGeom = geomEdge.EdgeGeometry;
edgeGeom.SourcePort = nodeShapeMap[geomEdge.Source].Ports.First();
edgeGeom.TargetPort = nodeShapeMap[geomEdge.Target].Ports.First();
router.AddEdgeGeometryToRoute(edgeGeom);
}
return router;
}
protected FloatingPort MakeMultiRelativeObstaclePort(RectilinearEdgeRouter router, Shape obstacle, List<Point> offsets)
{
var port = MakeMultiRelativeObstaclePort(obstacle, offsets);
router.UpdateObstacle(obstacle); // Port changes are now auto-detected
return port;
}
protected FloatingPort MakeAbsoluteObstaclePort(RectilinearEdgeRouter router, Shape obstacle, Point location)
{
Validate.IsNotNull(router, "Router should not be null");
var port = MakeAbsoluteObstaclePort(obstacle, location);
router.UpdateObstacle(obstacle); // Port changes are now auto-detected
return port;
}
protected EdgeGeometry AddRoutingPorts(RectilinearEdgeRouter router, IList<Shape> obstacles, int source, int target,
IEnumerable<Point> waypoints = null)
{
Validate.IsNotNull(router, "Router should not be null");
Validate.IsNotNull(obstacles, "Obstacles should not be null");
var eg = CreateRouting(obstacles[source].Ports.First(), obstacles[target].Ports.First());
eg.Waypoints = waypoints;
router.AddEdgeGeometryToRoute(eg);
return eg;
}
protected EdgeGeometry AddRoutingPorts(RectilinearEdgeRouter router, Port sourcePort, Port targetPort,
IEnumerable<Point> waypoints = null)
{
Validate.IsNotNull(router, "Router should not be null");
var eg = CreateRouting(sourcePort, targetPort);
eg.Waypoints = waypoints;
router.AddEdgeGeometryToRoute(eg);
return eg;
}
internal Port GetPort(RectilinearEdgeRouter router, IDictionary<Shape, Port> ports, Shape shape)
{
// Because of freeOports, we can't just use the shape.Ports collection.
Port port;
if (!ports.TryGetValue(shape, out port))
{
port = MakeAbsoluteObstaclePort(router, shape, shape.BoundingBox.Center);
ports[shape] = port;
}
return port;
}