public double length(CityNode c1, CityNode c2)
{
return (Math.Sqrt(((c1.latitude - c2.latitude)*2) + ((c1.longitude - c2.longitude)*2)));
}
/// <summary>
/// Private method used to import the city name, latitude, and longitude.
/// </summary>
public void importCities()
{
int index = 0;
try
{
System.IO.StreamReader file = new StreamReader(filepath);
while ((lines = file.ReadLine()) != null)
{
string[] line = lines.Split(',');
CityNode addCityNode = new CityNode(line[0],Convert.ToDouble(line[2]) , Convert.ToDouble(line[1]), index);
Citieslist.Add(addCityNode);
index++;
}
}
catch (Exception)
{
}
}
