private void ComputeWeight()
{
HTModelNode child = null;
for (IEnumerator i = Children(); i.MoveNext();)
{
child = (HTModelNode)i.Current;
globalWeight += child.GetWeight();
}
if (globalWeight != 0.0)
{
weight += Math.Log(globalWeight);
}
}
override public void Layout(double angle, double width, double length)
{
base.Layout(angle, width, length);
if (parent != null)
{
HTCoordE a = new HTCoordE(Math.Cos(angle), Math.Sin(angle));
HTCoordE nz = new HTCoordE(-z.X, -z.Y);
a.Translate(parent.GetCoordinates());
a.Translate(nz);
angle = a.Arg();
double c = Math.Cos(width);
double A = 1 + length * length;
double B = 2 * length;
width = Math.Acos((A * c - B) / (A - B * c));
}
HTModelNode child = null;
HTCoordE dump = new HTCoordE();
int nbrChild = children.Count;
double l1 = (0.95 - model.GetLength());
double l2 = Math.Cos((20.0 * Math.PI) / (2.0 * nbrChild + 38.0));
length = model.GetLength() + (l1 * l2);
double startAngle = angle - width;
for (IEnumerator i = Children(); i.MoveNext();)
{
child = (HTModelNode)i.Current;
double percent = child.GetWeight() / globalWeight;
double childWidth = width * percent;
double childAngle = startAngle + childWidth;
child.Layout(childAngle, childWidth, length);
startAngle += 2.0 * childWidth;
}
}