so high level code
-- ----------------------------- Regards By Killian Tel : 13764839658 Mail & Msn : [email protected] 在2009-12-28，"Andrew Hedges" <[email protected]> 写道： >Here is a simple example page you can use as a starting point for >browser-based geolocation: > >http://segdeha.com/w/geolocation.html > >To track speed, you would need to track your location over time. >Easiest might be to set up a setInterval call to get the location >every few seconds and save it to an array. Something like the >following (untested): > >var readings = []; >setTimeout(function () { > navigator.geolocation.getCurrentPosition(function(position) { > readings.push(position.coords); > }); >}, 10000); // repeat every 10 seconds > >Once you have your readings, here is a script that may be helpful for >finding distances based on Latitude/Longitude: > >http://segdeha.com/e/haversine/ > >Good luck! > >On Dec 27, 11:27?pm, tzenobite <[email protected]> wrote: >> many thanks! i will try asap (now i'm in trouble with a 'if' loop) > >-- > >You received this message because you are subscribed to the Google Groups >"iPhoneWebDev" 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/iphonewebdev?hl=en. > > -- You received this message because you are subscribed to the Google Groups "iPhoneWebDev" 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/iphonewebdev?hl=en.
