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DisconnectedGraphsLayoutCaculator.vb
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DisconnectedGraphsLayoutCaculator.vb
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Imports Microsoft.Msagl.Core.Layout
Imports Microsoft.Msagl.Layout.Layered
Imports Microsoft.Msagl.Core.Geometry.Curves
Imports Microsoft.Msagl.Core.Routing
Imports System
Namespace MsaglHelpers
Public Class DisconnectedGraphsLayoutCalculator
Implements ILayoutCalculator
Public ReadOnly Property LayoutAlgorithmSettings() As LayoutAlgorithmSettings Implements ILayoutCalculator.LayoutAlgorithmSettings
Get
Return New SugiyamaLayoutSettings() With {
.Transformation = PlaneTransformation.Rotation(Math.PI), .EdgeRoutingSettings = New EdgeRoutingSettings() With {.EdgeRoutingMode = EdgeRoutingMode.StraightLine}
}
End Get
End Property
Public Sub CalculateLayout(ByVal geometryGraph As GeometryGraph) Implements ILayoutCalculator.CalculateLayout
Dim geomGraphComponents = GraphConnectedComponents.CreateComponents(geometryGraph.Nodes, geometryGraph.Edges)
Dim settings = TryCast(LayoutAlgorithmSettings, SugiyamaLayoutSettings)
For Each components In geomGraphComponents
Dim layout = New LayeredLayout(components, settings)
components.Margins = 100
layout.Run()
Next components
Microsoft.Msagl.Layout.MDS.MdsGraphLayout.PackGraphs(geomGraphComponents, settings)
geometryGraph.UpdateBoundingBox()
End Sub
End Class
End Namespace