/// <summary>
/// Simple unconstrained layout of graph used by multiscale layout
/// </summary>
/// <param name="graph"></param>
/// <param name="edgeLengthMultiplier"></param>
/// <param name="level">double in range [0,1] indicates how far down the multiscale stack we are
/// 1 is at the top, 0 at the bottom, controls repulsive force strength and ideal edge length</param>
private void SimpleLayout(GeometryGraph graph, double level, double edgeLengthMultiplier)
{
var settings = new FastIncrementalLayoutSettings
{
MaxIterations = 10,
MinorIterations = 3,
GravityConstant = 1.0 - level,
RepulsiveForceConstant =
Math.Log(edgeLengthMultiplier * level * 500 + Math.E),
InitialStepSize = 0.6
};
foreach (var e in graph.Edges)
e.Length *= Math.Log(level * 500 + Math.E);
settings.InitializeLayout(graph, settings.MinConstraintLevel);
do
{
#pragma warning disable 618
LayoutHelpers.CalculateLayout(graph, settings, null);
#pragma warning restore 618
} while (settings.Iterations < settings.MaxIterations);
}
