/// <summary>
/// Remembers the PRACluster as a Neighbor. If it already is a neighbor, returns and does nothing.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
internal void AddNeighbor(int key, PRAClusterNode value)
{
if (!neighbors.ContainsKey(key) && key != this.ID)
{
neighbors.Add(key, value);
calculateHDist(value);
}
}
internal void calculateHDist(PRAClusterNode neighbor)
{
//sqrt(2) * min( abs(dx), abs(dy) ) + (abs(dx) - abs(dy))
if (!neighborDist.ContainsKey(neighbor.ID))
{
int dx = Math.Abs(this.X - neighbor.X);
int dy = Math.Abs(this.Y - neighbor.Y);
float dist = 1.4f * Math.Min(dx, dy) + Math.Abs(dx - dy);
//add if doesnt exist
if (!this.neighborDist.ContainsKey(neighbor.ID))
{
this.neighborDist.Add(neighbor.ID, dist);
}
else //update value
{
this.neighborDist[neighbor.ID] = dist;
}
}
}
public void AddClusterNode(PRAClusterNode node)
{
this.ClusterNodes.Add(node.ID, node);
}