/// <summary>
/// Does the initial scaling of the layout, could also be avoided.
/// </summary>
/// <param name="nodes"></param>
/// <param name="nodePositions"></param>
/// <param name="nodeSizes"></param>
/// <param name="scalingMethod"></param>
static void DoInitialScaling(Node[] nodes, Point[] nodePositions, Size[] nodeSizes,
InitialScaling scalingMethod)
{
var avgEdgeLength = AvgEdgeLength(nodes);
double goalLength;
if (scalingMethod == InitialScaling.Inch72Pixel)
{
goalLength = 72;
}
else if (scalingMethod == InitialScaling.AvgNodeSize)
{
goalLength = nodeSizes.Average(box => (box.Width + box.Height) / 2);
}
else
{
return;
}
double scaling = goalLength / avgEdgeLength;
#if DEBUG
Console.WriteLine("AvgEdgeLength Scaling Method: {0}, ScaleFactor={1:F2}", scalingMethod, scaling);
#endif
for (int j = 0; j < nodePositions.Length; j++)
{
nodePositions[j] *= scaling;
}
}
static void DoInitialScaling(GeometryGraph Graph, InitialScaling initScaling)
{
if (Graph.Edges.Count == 0)
{
return;
}
var nodePositions = Graph.Nodes.Select(v => v.Center).ToArray();
var nodeBoxes = Graph.Nodes.Select(v => v.BoundingBox).ToArray();
var avgEdgeLength = AvgEdgeLength(Graph);
double goalLength;
if (initScaling == InitialScaling.Inch72Pixel)
{
goalLength = 72;
}
else if (initScaling == InitialScaling.AvgNodeSize)
{
goalLength = nodeBoxes.Average(box => (box.Width + box.Height) / 2);
}
else
{
return;
}
double scaling = goalLength / avgEdgeLength;
for (int j = 0; j < nodePositions.Length; j++)
{
nodePositions[j] *= scaling;
Rectangle rect = nodeBoxes[j];
rect.Center = nodePositions[j];
nodeBoxes[j] = rect;
Graph.Nodes[j].Center = nodePositions[j];
}
}
/// <summary>
/// Does the initial scaling of the layout, could also be avoided.
/// </summary>
/// <param name="nodes"></param>
/// <param name="nodePositions"></param>
/// <param name="nodeSizes"></param>
/// <param name="scalingMethod"></param>
static void DoInitialScaling(Node[] nodes, Point[] nodePositions, Size[] nodeSizes,
InitialScaling scalingMethod) {
var avgEdgeLength = AvgEdgeLength(nodes);
double goalLength;
if (scalingMethod == InitialScaling.Inch72Pixel)
goalLength = 72;
else if (scalingMethod == InitialScaling.AvgNodeSize)
goalLength = nodeSizes.Average(box => (box.Width + box.Height)/2);
else return;
double scaling = goalLength/avgEdgeLength;
#if DEBUG
Console.WriteLine("AvgEdgeLength Scaling Method: {0}, ScaleFactor={1:F2}", scalingMethod, scaling);
#endif
for (int j = 0; j < nodePositions.Length; j++) {
nodePositions[j] *= scaling;
}
}
