/// <summary>
/// Gets the target vertex.
/// </summary>
public static uint GetTargetVertex(this Graph.EdgeEnumerator enumerator, long directedEdgeId)
{
enumerator.MoveToEdge(directedEdgeId);
if (directedEdgeId > 0)
{
if (!enumerator.DataInverted)
{
return(enumerator.To);
}
else
{
return(enumerator.From);
}
}
else
{
if (enumerator.DataInverted)
{
return(enumerator.To);
}
else
{
return(enumerator.From);
}
}
}
/// <summary>
/// Gets the weight for the given edge.
/// </summary>
public static float GetWeight(this Graph.EdgeEnumerator enumerator, long directedEdgeId, Func <ushort, Factor> getFactor, out short direction)
{
enumerator.MoveToEdge(directedEdgeId);
float distance;
ushort edgeProfile;
Data.Edges.EdgeDataSerializer.Deserialize(enumerator.Data0, out distance, out edgeProfile);
var factor = getFactor(edgeProfile);
direction = factor.Direction;
return(factor.Value * distance);
}
/// <summary>
/// Moves to the given directed edge-id.
/// </summary>
public static void MoveToEdge(this Graph.EdgeEnumerator enumerator, long directedEdgeId)
{
if (directedEdgeId == 0)
{
throw new ArgumentOutOfRangeException("directedEdgeId");
}
uint edgeId;
if (directedEdgeId > 0)
{
edgeId = (uint)directedEdgeId - 1;
}
else
{
edgeId = (uint)((-directedEdgeId) - 1);
}
enumerator.MoveToEdge(edgeId);
}