public void addNeighbor(Knoten k, double dist)
{
Tuple <Knoten, double> t = Tuple.Create(k, dist);
Neighbors.Add(t);
if (t.Item2 < next.Item2)
{
next = t;
}
}
private static void Main(string[] args)
{
//importieren der csv
var reader = new StreamReader("A:\\Programmieren\\C#\\msg_reise\\msg_standorte_deutschland.csv");
var csv = new CsvReader(reader, CultureInfo.InvariantCulture);
var records = csv.GetRecords <msg>();
//variablen für Algorithmus
double dist = 0;
Knoten k;
List <Knoten> knotenliste = new List <Knoten>();
List <double[]> kantenliste = new List <double[]>();
List <Knoten> path = new List <Knoten>();
//Knotenlist erstellen
foreach (msg i in records)
{
k = new Knoten(i.Nummer, i.Breitengrad, i.Längengrad);
knotenliste.Add(k);
}
//Nachbarn der knoten setzen
foreach (Knoten i in knotenliste)
{
foreach (Knoten j in knotenliste)
{
if (i == j)
{
continue;
}
dist = GetDistance(i.getBreitengrad(), j.getBreitengrad(), i.getLängengrad(), j.getLängengrad());
i.addNeighbor(j, dist);
}
i.sortNeighbors();
}
//Kantenliste erstellen
int help1 = 0, help2;
while (help1 < knotenliste.Count)
{
help2 = help1 + 1;
while (help2 < knotenliste.Count)
{
double[] kante = new double[3];
kante[0] = help1 + 1;
kante[1] = help2 + 1;
kante[2] = GetDistance(knotenliste[help1].getBreitengrad(), knotenliste[help2].getBreitengrad(), knotenliste[help1].getLängengrad(), knotenliste[help2].getLängengrad());
kantenliste.Add(kante);
help2++;
}
help1++;
}
//temp Variablen
help1 = help2 = 0;
Knoten helper;
double[] distances = new double[knotenliste.Count + 1];
//Algorithmus:
path.Add(knotenliste[0]);
while (true)
{
helper = path[help1].getClosest(help2).Item1; //set helper to closest Neighbor
distances[help1 + 1] = path[help1].getClosest(help2).Item2; //add Distance to Array
while (path.Contains(helper)) //If this Neighbor is already in the pathlist try the next one
{
help2++;
helper = path[help1].getClosest(help2).Item1;
distances[help1 + 1] = path[help1].getClosest(help2).Item2;
}
path.Add(helper); //Adding helper to pathlist
help2 = 0; //Resetting Helpers
help1++;
if (path.Count == knotenliste.Count) //Break Loop if Length of Path = Length of Locationslist
{
break;
}
}
path.Add(knotenliste[0]); //Add Destination to path
distances[help1 + 1] = GetDistance(path[help1 + 1].getBreitengrad(), path[help1].getBreitengrad(), path[help1 + 1].getLängengrad(), path[help1].getLängengrad());
//Ausgabe des Ergebisses
help1 = 0;
foreach (Knoten n in path)
{
Console.WriteLine(n.getNummer() + ", " + distances[help1++]);
}
for (int i = 0; i < distances.Length; i++)
{
dist += distances[i];
}
Console.WriteLine("Insgesamt: " + dist + "km");
for (int i = 0; i < kantenliste.Count; i++)
{
dist += kantenliste[i][2];
}
dist = dist / kantenliste.Count * distances.Length;
Console.WriteLine("Durchschnitt: " + dist + "km");
}
