Thanks Andrew
but is there a way that i can do with geo code kit ? any idea ? Andrew Porter wrote: > Cyrus Dev wrote: >> >> I want to find distance in miles between 2 points , I have lattitude and >> longitude of both points , > > I do this (inside a model what has latitude and longitude attributes) > > RadConv=(Math::PI/180) > R=3958 > > def get_distance_to(to_lat, to_lon) > lat1=self.latitude * RadConv > lon1=self.longitude * RadConv > lat2=to_lat * RadConv > lon2=to_lon * RadConv > > diff_lon = (lon2 - lon1).abs > diff_lat = (lat2 - lat1).abs > > a = Math.sin(diff_lat/2) * Math.sin(diff_lat/2) + Math.cos(lat1) * > Math.cos(lat2) * Math.sin(diff_lon/2) * Math.sin(diff_lon/2); > c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); > d = R * c; > > return d; > end -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
