I don't know if there is something already in the SDK to work this out for you but if not you need to research Greate Circle algorithms. Note that if your points are only a few 10s of km (or miles) apart then you can approximate using pythagoras.
http://en.wikipedia.org/wiki/Great-circle_distance -- RichardC On Oct 10, 10:54 am, Neilz <[email protected]> wrote: > Here's a tricky one. Or maybe it isn't... > > I am trying to find a way to tell the difference in degrees between > two GeoPoints. I've been playing around with GoogleMaps for a while, > and can't see an obvious relationship between points. > > For example, if I mark two points on the map which are clearly 45 > degrees from each other, I would expect the differences in latitude > and longitude to be equal, but they're not, nothing like it. So I > don't have an obvious ratio to work with to help me find the degrees > between the two. I need an algorithm... > > Anyone have any ideas how I might achieve this? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
