/// <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);
}
}
}
/// <summary>
/// Executes the algorithm.
/// </summary>
/// <summary>
/// Executes the actual algorithm.
/// </summary>
protected override void RunInternal()
{
var g = new GeometryGraph();
foreach (var v in graph.Nodes)
{
Debug.Assert(!(v is Cluster));
var u = new Node(v.BoundaryCurve.Clone())
{
UserData = v
};
v.AlgorithmData = new PivotMDSNodeWrap(u);
g.Nodes.Add(u);
}
double avgLength = 0;
foreach (var e in graph.Edges)
{
avgLength += e.Length;
if (e.Source is Cluster || e.Target is Cluster)
{
continue;
}
var u = e.Source.AlgorithmData as PivotMDSNodeWrap;
var v = e.Target.AlgorithmData as PivotMDSNodeWrap;
var ee = new Edge(u.node, v.node)
{
Length = e.Length
};
g.Edges.Add(ee);
}
if (graph.Edges.Count != 0)
{
avgLength /= graph.Edges.Count;
}
else
{
avgLength = 100;
}
// create edges from the children of each parent cluster to the parent cluster node
foreach (var c in graph.RootCluster.AllClustersDepthFirst())
{
if (c == graph.RootCluster)
{
continue;
}
var u = new Node(CurveFactory.CreateRectangle(10, 10, new Point()));
u.UserData = c;
c.AlgorithmData = new PivotMDSNodeWrap(u);
g.Nodes.Add(u);
foreach (var v in c.Nodes.Concat(from cc in c.Clusters select(Node) cc))
{
var vv = v.AlgorithmData as PivotMDSNodeWrap;
g.Edges.Add(new Edge(u, vv.node)
{
Length = avgLength
});
}
}
// create edges between clusters
foreach (var e in graph.Edges)
{
if (e.Source is Cluster || e.Target is Cluster)
{
var u = e.Source.AlgorithmData as PivotMDSNodeWrap;
var v = e.Target.AlgorithmData as PivotMDSNodeWrap;
var ee = new Edge(u.node, v.node)
{
Length = e.Length
};
g.Edges.Add(ee);
}
}
// with 0 majorization iterations we just do PivotMDS
MdsLayoutSettings settings = new MdsLayoutSettings
{
ScaleX = this.Scale,
ScaleY = this.Scale,
IterationsWithMajorization = 0,
RemoveOverlaps = false,
AdjustScale = false
};
MdsGraphLayout mdsLayout = new MdsGraphLayout(settings, g);
this.RunChildAlgorithm(mdsLayout, 1.0);
g.UpdateBoundingBox();
foreach (var v in graph.Nodes)
{
var m = v.AlgorithmData as PivotMDSNodeWrap;
v.Center = m.node.Center;
}
}
void MDSLayout(MdsLayoutSettings settings, GeometryGraph component) {
LayoutAlgorithmHelpers.ComputeDesiredEdgeLengths(settings.IdealEdgeLength, component);
var layout = new MdsGraphLayout(settings, component);
layout.Run(this.CancelToken);
InitialLayoutHelpers.RouteEdges(component, settings, this.CancelToken);
InitialLayoutHelpers.PlaceLabels(component, this.CancelToken);
InitialLayoutHelpers.FixBoundingBox(component, settings);
}
static void Main(string[] args) {
#if DEBUG
DisplayGeometryGraph.SetShowFunctions();
#endif
ArgsParser.ArgsParser argsParser = SetArgsParser(args);
if (argsParser.OptionIsUsed(PolygonDistanceTestOption))
TestPolygonDistance();
else if (argsParser.OptionIsUsed(TestCdtThreaderOption))
TestCdtThreader();
else if (argsParser.OptionIsUsed(RandomBundlingTest))
RandomBundlingTests.RsmContent();
bundling = argsParser.OptionIsUsed(BundlingOption);
var gviewer = new GViewer();
gviewer.MouseMove += Draw.GviewerMouseMove;
if(argsParser.OptionIsUsed(FdOption)) {
TestFD();
gviewer.CurrentLayoutMethod = LayoutMethod.IcrementalLayout;
}
Form form = CreateForm(null, gviewer);
if (argsParser.OptionIsUsed(AsyncLayoutOption))
gviewer.AsyncLayout = true;
string listOfFilesFile = argsParser.GetValueOfOptionWithAfterString(ListOfFilesOption);
if (listOfFilesFile != null) {
ProcessListOfFiles(listOfFilesFile, argsParser);
return;
}
string fileName = argsParser.GetValueOfOptionWithAfterString(FileOption);
string ext = Path.GetExtension(fileName);
if (ext != null) {
ext = ext.ToLower();
if (ext == ".dot") {
ProcessDotFile(gviewer, argsParser, fileName);
}
else {
if (ext == ".geom") {
GeometryGraph geometryGraph = GeometryGraphReader.CreateFromFile(fileName);
geometryGraph.Margins = 10;
FixHookPorts(geometryGraph);
// if (argsParser.OptionIsUsed(BundlingOption)) {
for (int i = 0; i < 1; i++) {
#if DEBUG
/*DisplayGeometryGraph.ShowGraph(geometryGraph);
var l = new List<DebugCurve>(); l.AddRange(geometryGraph.Nodes.Select(n=>new DebugCurve(100,1,"black",n.BoundaryCurve)));
l.AddRange(geometryGraph.Edges.Select(e=>new DebugCurve(100,1,"black", new LineSegment(e.Source.Center,e.Target.Center))));
foreach (var cl in geometryGraph.RootCluster.AllClustersDepthFirst()) {
l.Add(new DebugCurve(100,2,"blue",cl.BoundaryCurve));
foreach (var node in cl.Nodes)
l.Add(new DebugCurve(100, 2, "brown", node.BoundaryCurve));
foreach (var e in cl.Edges)
l.Add(new DebugCurve(100, 2, "pink", new LineSegment(e.Source.Center, e.Target.Center)));
}
DisplayGeometryGraph.ShowDebugCurves(l.ToArray());*/
#endif
BundlingSettings bs = GetBundlingSettings(argsParser);
double loosePadding;
double tightPadding = GetPaddings(argsParser, out loosePadding);
if (argsParser.OptionIsUsed(MdsOption)) {
var mdsLayoutSettings = new MdsLayoutSettings
{RemoveOverlaps = true, NodeSeparation = loosePadding*3};
var mdsLayout = new MdsGraphLayout(mdsLayoutSettings, geometryGraph);
mdsLayout.Run();
}
else {
if (argsParser.OptionIsUsed(FdOption)) {
var settings = new FastIncrementalLayoutSettings {AvoidOverlaps = true};
(new InitialLayout(geometryGraph, settings)).Run();
}
}
var splineRouter = new SplineRouter(geometryGraph, geometryGraph.Edges, tightPadding,
loosePadding,
Math.PI/6, bs);
splineRouter.Run();
}
#if DEBUG
DisplayGeometryGraph.ShowGraph(geometryGraph);
#endif
return;
}
else {
if (ext == ".msagl") {
Graph graph = Graph.Read(fileName);
// DisplayGeometryGraph.ShowGraph(graph.GeometryGraph);
if (graph != null) {
if (argsParser.OptionIsUsed(BundlingOption)) {
BundlingSettings bs = GetBundlingSettings(argsParser);
double loosePadding;
double tightPadding = GetPaddings(argsParser, out loosePadding);
var br = new SplineRouter(graph.GeometryGraph, tightPadding, loosePadding, Math.PI/6,
bs);
br.Run();
// DisplayGeometryGraph.ShowGraph(graph.GeometryGraph);
}
}
gviewer.NeedToCalculateLayout = false;
gviewer.Graph = graph;
gviewer.NeedToCalculateLayout = true;
}
}
}
}
else if (argsParser.OptionIsUsed(TestCdtOption)) {
Triangulation(argsParser.OptionIsUsed(ReverseXOption));
Environment.Exit(0);
}
else if (argsParser.OptionIsUsed(TestCdtOption0)) {
TestTriangulationOnSmallGraph(argsParser);
Environment.Exit(0);
}
else if (argsParser.OptionIsUsed(TestCdtOption2)) {
TestTriangulationOnPolys();
Environment.Exit(0);
}
else if (argsParser.OptionIsUsed(TestCdtOption1)) {
ThreadThroughCdt();
Environment.Exit(0);
}
else if (argsParser.OptionIsUsed(ConstraintsTestOption))
TestGraphWithConstraints();
Application.Run(form);
}
static void LoadGeomFile(string s, EdgeRoutingSettings edgeRoutingSettings, bool show) {
LayoutAlgorithmSettings settings;
GeometryGraph geomGraph = GeometryGraphReader.CreateFromFile(s, out settings);
if (geomGraph == null) {
//Opens file "data.xml" and deserializes the object from it.
var stream = File.Open(s, FileMode.Open);
var formatter = new BinaryFormatter();
geomGraph = (GeometryGraph) formatter.Deserialize(stream);
geomGraph.RootCluster = new Cluster();
stream.Close();
}
geomGraph.UpdateBoundingBox();
if (FormStuff.initialLayout) {
var l = new List<Cluster>();
l.Add(geomGraph.RootCluster);
var il = new InitialLayoutByCluster(geomGraph, new FastIncrementalLayoutSettings());
il.Run();
}
else if (mds) {
var mdsSettings = new MdsLayoutSettings
{ IterationsWithMajorization = 21,ScaleX = 1, ScaleY=1, RemoveOverlaps = true
};
var mdslayout = new MdsGraphLayout(mdsSettings, geomGraph);
mdslayout.Run();
var router = new SplineRouter(geomGraph, 1, 20, Math.PI / 6, edgeRoutingSettings.BundlingSettings);
router.Run();
}
else {
var sugiyamaSettings = (SugiyamaLayoutSettings) settings;
if (edgeRoutingSettings.EdgeRoutingMode == EdgeRoutingMode.Rectilinear ||
edgeRoutingSettings.EdgeRoutingMode == EdgeRoutingMode.RectilinearToCenter) {
RouteRectEdgesOfGeomGraph(edgeRoutingSettings.EdgeRoutingMode, true,
edgeRoutingSettings.UseObstacleRectangles, edgeRoutingSettings.BendPenalty, geomGraph, sugiyamaSettings);
} else {
const double angle = 30*Math.PI/180;
var router = new SplineRouter(geomGraph, 1, 20, angle, edgeRoutingSettings.BundlingSettings);
router.Run();
TestPadding(geomGraph);
}
}
#if DEBUG
if (show) {
geomGraph.UpdateBoundingBox();
var b = geomGraph.BoundingBox;
b.Pad(40);
geomGraph.BoundingBox = b;
DisplayGeometryGraph.ShowGraph(geomGraph);
}
#endif
}
/// <summary>
/// Executes the algorithm.
/// </summary>
/// <summary>
/// Executes the actual algorithm.
/// </summary>
protected override void RunInternal()
{
var g = new GeometryGraph();
foreach (var v in graph.Nodes)
{
Debug.Assert(!(v is Cluster));
var u = new Node(v.BoundaryCurve.Clone())
{
UserData = v
};
v.AlgorithmData = new PivotMDSNodeWrap(u);
g.Nodes.Add(u);
}
double avgLength = 0;
foreach (var e in graph.Edges)
{
avgLength += e.Length;
if (e.Source is Cluster || e.Target is Cluster) continue;
var u = e.Source.AlgorithmData as PivotMDSNodeWrap;
var v = e.Target.AlgorithmData as PivotMDSNodeWrap;
var ee = new Edge(u.node, v.node)
{
Length = e.Length
};
g.Edges.Add(ee);
}
if (graph.Edges.Count != 0)
{
avgLength /= graph.Edges.Count;
}
else
{
avgLength = 100;
}
// create edges from the children of each parent cluster to the parent cluster node
foreach (var c in graph.RootCluster.AllClustersDepthFirst())
{
if (c == graph.RootCluster) continue;
var u = new Node(CurveFactory.CreateRectangle(10, 10, new Point()));
u.UserData = c;
c.AlgorithmData = new PivotMDSNodeWrap(u);
g.Nodes.Add(u);
foreach (var v in c.Nodes.Concat(from cc in c.Clusters select (Node)cc))
{
var vv = v.AlgorithmData as PivotMDSNodeWrap;
g.Edges.Add(new Edge(u, vv.node)
{
Length = avgLength
});
}
}
// create edges between clusters
foreach (var e in graph.Edges)
{
if (e.Source is Cluster || e.Target is Cluster)
{
var u = e.Source.AlgorithmData as PivotMDSNodeWrap;
var v = e.Target.AlgorithmData as PivotMDSNodeWrap;
var ee = new Edge(u.node, v.node)
{
Length = e.Length
};
g.Edges.Add(ee);
}
}
// with 0 majorization iterations we just do PivotMDS
MdsLayoutSettings settings = new MdsLayoutSettings
{
ScaleX = this.Scale,
ScaleY = this.Scale,
IterationsWithMajorization = 0,
RemoveOverlaps = false,
AdjustScale = false
};
MdsGraphLayout mdsLayout = new MdsGraphLayout(settings, g);
this.RunChildAlgorithm(mdsLayout, 1.0);
g.UpdateBoundingBox();
foreach (var v in graph.Nodes)
{
var m = v.AlgorithmData as PivotMDSNodeWrap;
v.Center = m.node.Center;
}
}
