/// <summary>
/// Find single stop nearest to multiple location
/// </summary>
/// <param name="location"></param>
/// <param name="radius"></param>
public static Stop CloestToMultipleLocation(List<double[]> locations, decimal radius = 500)
{
List<Stop> list = new List<Stop>();
using (ATDataContext context = new ATDataContext())
{
list = context.Stops.ToList();
}
GeoCoordinate endpoint = new GeoCoordinate();
GeoCoordinate startpoint = new GeoCoordinate();
double distance = 0;
double new_distance = 0;
Stop result = new Stop();
foreach (Stop s in list)
{
new_distance = 0;
startpoint = new GeoCoordinate(s.Latitude.GetValueOrDefault(), s.Longitude.GetValueOrDefault());
foreach(var location in locations)
{
endpoint = new GeoCoordinate(location[0], location[1]);
new_distance += startpoint.GetDistanceTo(endpoint);
}
if (list.IndexOf(s) == 0 || new_distance < distance)
{
distance = new_distance;
result = s;
}
}
return result;
}
/// <summary>
/// Find single stop nearest to single location
/// </summary>
/// <param name="location"></param>
/// <param name="radius"></param>
public static Stop CloestToSingleLocation(double[] location)
{
List<Stop> list = new List<Stop>();
using (ATDataContext context = new ATDataContext())
{
list = context.Stops.ToList();
}
GeoCoordinate endpoint = new GeoCoordinate(location[0], location[1]);
GeoCoordinate startpoint = new GeoCoordinate();
double distance = 0;
double new_distance = 0;
Stop result = new Stop();
foreach (Stop s in list)
{
startpoint = new GeoCoordinate(s.Latitude.GetValueOrDefault(), s.Longitude.GetValueOrDefault());
new_distance = startpoint.GetDistanceTo(endpoint);
if (list.IndexOf(s) == 0 || new_distance < distance)
{
distance = new_distance;
result = s;
}
}
return result;
}