public static bool IsInTownRange(this List <TownBoundary> coors, IGeoPoint <double> point)
{
return(coors.Any(coor => point.IsInPolygon(coor.CoorList())));
}
public static bool IsInTownRange(this TownBoundary coor, IGeoPoint <double> point)
{
return(point.IsInPolygon(coor.CoorList()));
}