Comparing Latitude and Longitude

Question

In my iPad application i am drawing one rectangle on map using overlay. I have lat/long of one edge as well as length and width of rectangle.
I have some other lat/longs coming from database.

Now how can i get which lat-long from database is inside rectangle?

Thanks,

Answer 1

Solved.

first of all convert four latlons to point using this method :

CGPoint point = [mapView convertCoordinate:location toPointToView:overlayView];

then you have to apply method of point in poly.