/// <summary>
/// Gets a directed edge id.
/// </summary>
public static long IdDirected(this GeometricGraph.EdgeEnumerator edge)
{
if (edge.DataInverted)
{
return(-(edge.Id + 1));
}
return(edge.Id + 1);
}
/// <summary>
/// Creates a new geometric edge.
/// </summary>
internal GeometricEdge(GeometricGraph.EdgeEnumerator enumerator)
{
this.Id = enumerator.Id;
this.From = enumerator.From;
this.To = enumerator.To;
this.Data = enumerator.Data;
this.DataInverted = enumerator.DataInverted;
this.Shape = enumerator.Shape;
}
/// <summary>
/// Moves to the given directed edge-id.
/// </summary>
public static void MoveToEdge(this GeometricGraph.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);
}
