public float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
if (this.Children != null)
{
var length = this.Children.Count;
var total = 0f;
int alternatives = 0;
for (int i = 0; i < length; i++)
{
if (this.Children[i].Feasible(origin, destination, time))
{
var u = this.Children[i].CalculateV(origin, destination, time);
if (!float.IsNaN(u))
{
alternatives++;
total += (float)Math.Exp(u);
}
}
}
if (alternatives == 0)
{
return(float.NaN);
}
else
{
var thisLevel = this.CalculateCombinedV(origin, destination, time);
return(float.IsNaN(thisLevel) ? float.NaN : ((float)Math.Log(total) * this.Correlation + thisLevel));
}
}
return(float.MinValue);
}
override public float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
if (IsContained(origin, destination))
{
return(this.Aivtt * this.NetworkData.TravelTime(origin, destination, time).ToMinutes());
}
return(0);
}
public override float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
if (this.IsContained(origin, destination))
{
return(this.Factor * (this.Root.ZoneSystem.Distances[origin.ZoneNumber, destination.ZoneNumber] / 1000f));
}
return(0);
}
public override float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
if (this.IsContained(origin, destination))
{
return(this.Constant);
}
return(0f);
}
public override float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
Time ivtt, waitTime, walkTime, boarding;
float cost;
if (this.IsContained(origin, destination))
{
if (this.NetworkData.GetAllData(origin, destination, time, out ivtt, out walkTime, out waitTime, out boarding, out cost))
{
return(this.IVTT * ivtt.ToMinutes() + this.Wait * waitTime.ToMinutes()
+ this.Walk * walkTime.ToMinutes() + this.Boarding * boarding.ToMinutes() + this.Cost * cost);
}
}
return(0f);
}
public abstract float CalculateV(IZone origin, IZone destination, XTMF.Time time);
private float CalculateUtilityComponents(IZone originZone, IZone destinationZone, XTMF.Time time)
{
float total = 0f;
if (this.UtilityComponents != null)
{
foreach (var uc in this.UtilityComponents)
{
total += uc.CalculateV(originZone, destinationZone, time);
}
}
return(total);
}
public override float CalculateV(IZone originZone, IZone destinationZone, XTMF.Time time)
{
return(base.CalculateV(originZone, destinationZone, time) + CalculateUtilityComponents(originZone, destinationZone, time));
}
public float CalculateV(IZone origin, IZone destination, XTMF.Time time)
{
return(Constant);
}
