private void Process()
{
foreach(TestCase tc in _lstTestCases)
{
foreach(Atrraction attraction in _lstAttractions)
{
PointD p1 = new PointD(tc.Longitude, tc.Latitude);
PointD p2 = new PointD(attraction.Longitude, attraction.Latitude);
double distance = Math.Round(DistanceBetween(p1,p2), 2);
double speed = 0;
switch(tc.PreferredTransport)
{
case __METRO:
speed = _METROSPEED_;
break;
case __BIKE:
speed = _BIKESPEED_;
break;
case __FOOT:
speed = _FOOTSPEED_;
break;
}
if(distance/speed <= tc.Minutes)
{
_dictSelectedAttractions.Add(attraction.Id, distance);
}
}
var sortedDict = from entry in _dictSelectedAttractions orderby entry.Value ascending select entry.Key;
Console.WriteLine(string.Join(" ", sortedDict.ToArray()));
_dictSelectedAttractions.Clear();
}
}
protected double DistanceBetween(PointD p1, PointD p2)
{
int EARTH_RADIUS = 6371;//in km
double point1_lat_in_radians = Degree2Radians(p1.Y);
double point2_lat_in_radians = Degree2Radians(p2.Y);
double point1_long_in_radians = Degree2Radians(p1.X);
double point2_long_in_radians = Degree2Radians(p2.X);
return Math.Acos( Math.Sin( point1_lat_in_radians ) * Math.Sin( point2_lat_in_radians ) +
Math.Cos(point1_lat_in_radians) * Math.Cos(point2_lat_in_radians) *
Math.Cos(point2_long_in_radians - point1_long_in_radians)) * EARTH_RADIUS;
}
