protected int FindEdge(int currentNode, int nxt, out bool rev)
{
NodeAddress node = m_top.NodeAt(currentNode);
double minDist = double.MaxValue;
int bestEi = -1;
rev = false;
for (int j = 0; j < node.EdgeCount; j++)
{
var ei = node.EdgeIndexAt(j, m_top);
var edge = m_top.EdgeAt(ei);
if (edge.OtherVertex(currentNode) == nxt)
{
if (m_dist[ei] < minDist)
{
rev = node.RevAt(j, m_top);
bestEi = ei;
minDist = m_dist[ei];
}
}
}
if (bestEi == -1)
{
throw new KeyNotFoundException("Vertex currentNode is not linked to nxt");
}
return(bestEi);
}
/// <summary>
/// Retrieves the Topology edge of the Edge at position i at this Node
/// </summary>
/// <param name="i">An edge index smaller than EdgeCount and larger than 0</param>
/// <param name="top">The reference topology</param>
/// <returns>The Topology edge</returns>
public EdgeAddress EdgeAt(int i, CurvesTopology top)
{
if (i < 0 || i >= EdgeCount)
{
throw new ArgumentOutOfRangeException("i", "index must be smaller than EdgeCount and larger than 0");
}
return(top.EdgeAt(EdgeIndexAt(i, top)));
}