/// <summary>
/// positions location nodes
/// </summary>
/// <param name="locationNodes">the nodes represent the labels and originally are positioned at locations</param>
/// <param name="locationRadius">the minimum gap between a location and its label</param>
/// <param name="removeCrossings">If set to true will remove intersections between line segments (location, locationLabel).
/// The result will be better but the calculation will take more time.
/// </param>
public static GeometryGraph PositionLabels(Node[] locationNodes, double locationRadius, bool routeEdges, double labelSeparation)
{
#if TEST_MSAGL
Microsoft.Msagl.GraphViewerGdi.DisplayGeometryGraph.SetShowFunctions();
#endif
var labeler = new LocationLabeler(locationNodes, locationRadius, routeEdges, labelSeparation);
labeler.Work();
return(labeler.graph);
}
/// <summary>
/// positions location nodes
/// </summary>
/// <param name="locationNodes">the nodes represent the labels and originally are positioned at locations</param>
/// <param name="locationRadius">the minimum gap between a location and its label</param>
/// <param name="removeCrossings">If set to true will remove intersections between line segments (location, locationLabel).
/// The result will be better but the calculation will take more time.
/// </param>
public static GeometryGraph PositionLabels(Node[] locationNodes, double locationRadius, bool routeEdges, double labelSeparation)
{
#if MYDEBUG
Microsoft.Msagl.GraphViewerGdi.DisplayGeometryGraph.SetShowFunctions();
#endif
var labeler = new LocationLabeler(locationNodes, locationRadius, routeEdges, labelSeparation);
labeler.Work();
return labeler.graph;
}
public Form1()
{
InitializeComponent();
Node n0 = new Node(CurveFactory.CreateEllipse(10, 10, new Microsoft.Msagl.Core.Geometry.Point()), "a");
Microsoft.Msagl.Core.Geometry.Point n1Center = new Microsoft.Msagl.Core.Geometry.Point(20, 0);
Node n1 = new Node(CurveFactory.CreateEllipse(10, 10, n1Center), "b");
n1.Center = n1Center;
Microsoft.Msagl.Core.Geometry.Point n2Center = new Microsoft.Msagl.Core.Geometry.Point(5, 3);
Node n2 = new Node(CurveFactory.CreateEllipse(10, 10, n2Center), "c");
n2.Center = n2Center;
Microsoft.Msagl.Core.Geometry.Point n3Center = new Microsoft.Msagl.Core.Geometry.Point(8, -1);
Node n3 = new Node(CurveFactory.CreateEllipse(10, 10, n3Center), "d");
n3.Center = n3Center;
Microsoft.Msagl.Core.Geometry.Point n4Center = new Microsoft.Msagl.Core.Geometry.Point(6, -4);
Node n4 = new Node(CurveFactory.CreateEllipse(10, 10, n4Center), "e");
n4.Center = n4Center;
Microsoft.Msagl.Core.Geometry.Point n5Center = new Microsoft.Msagl.Core.Geometry.Point(19, -3);
Node n5 = new Node(CurveFactory.CreateEllipse(10, 10, n5Center), "f");
n5.Center = n5Center;
IncrementalLabeler il = new IncrementalLabeler(6, false, -1);
#if TEST_MSAGL
Microsoft.Msagl.GraphViewerGdi.DisplayGeometryGraph.SetShowFunctions();
#endif
il.AddNode(n0);
il.AddNode(n1);
il.Layout();
il.AddNode(n2);
il.AddNode(n3);
il.Layout();
GeometryGraph graph = LocationLabeler.PositionLabels(new[] { n0, n1, n2, n3, n4, n5 }, 5, false, -1);
// var g=GeometryGraph.CreateFromFile("c:/tmp/graph");
// ChangeShapes(g);
// var graph = LocationLabeler.PositionLabels( g.Nodes , 6, false, -6);
}
