On Apr 17, 8:25 pm, joediddley <[email protected]> wrote: > Thanks, > > The URL examples are simple to > find:http://maps.google.com/maps?output=html&q=heathrow+airport%2C+london%... > Give it a click. Its a handy local search. But in this particular case > there is no signed decimal lat/lng anywhere on the page.
http://maps.google.com/maps?output=html&q=heathrow+airport,+london,+UK remove the output=html http://maps.google.com/maps?q=heathrow+airport,+london,+UK click on "Link" and copy that http://maps.google.com/maps?q=heathrow+airport,+london,+UK&ie=UTF8&ll=51.472629,-0.448058&spn=0.006763,0.013111&z=16&iwloc=A The latitude and longitude are in the &ll= parameter... > > I think the interesting question (if I were a map junkie) is that > latitude_e6=51472608, longitude_e6=4294519238 are probably not much to > crack, but not signed coordinates. They appear (at least in this > example), to literally be the coordinates but with the signs and the > decimals removed. (The real coordinates for Heathrow airport are lat: > 51.472608, lng: -0.4294519238.) > > The intriguing thing is how to know where the decimal goes and where > the signs go. For example, lat:51.472608, lng: +0.4294519238 is also > a real world coordinate, but not Heathrow airport. (In 2nd case I > flipped the sign.) The full URL to the image of Heathrow, which > Google can clearly deal with > ishttp://maps.google.com/mapdata?Point=b&Point.latitude_e6=51472608&Poi... > > From a mappers standpoint the e6 I think is significant too - having > something to do with polysomethings or max zoom, but I didn't think > had anything to do with the coordindates. I don't know what the > Point=b and Point=e params mean, maybe they hold the key. Overall, I > just can't seem to figure out what formula determines how to take > those parameters and turn it into a center point like Google does. > > Unless someone happens by this thread who knows exactly what i'm > talking about, don't worry - i'm not meaning to beat a dead horse with > the folks here that have graciously spent the time to reply to me. > Thanks again and if anyone knows the answer on how to read and submit > those kinds of URLs, I'd welcome your post. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" 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/Google-Maps-API?hl=en -~----------~----~----~----~------~----~------~--~---
