Extracting information from a webservice

Pierre-Yves pingou at pingoured.fr
Thu Jan 17 20:39:54 PST 2013

On Thu, Jan 17, 2013 at 02:20:16PM -0800, Linus Torvalds wrote:
> On Thu, Jan 17, 2013 at 1:33 PM, Aurélien PRALONG
> <aurelien.pralong at gmail.com> wrote:
> So at least judging by how I use my phone while diving, I can very
> honestly say "I avoid using it". I've used it to write notes for the
> dive site name, and to manually get the GPS information, but there
> have also been many dives where I simply haven't bothered, because
> it's been too inconvenient to go dig out my phone from my drybag.
> Which leads me to believe that at least *one* usage model for the
> companion app would be the "totally hands-off" one.
> For that kind of model, I think the best interface would be to just
> log the GPS location by date every fifteen minutes. Nothing else. No
> name, no nothing. Just GPS location and local time/date.
> If subsurface could then just look up the GPS information by that date
> (which it has from the dive computer), that would be very convenient.
> You could start the subsurface companion app in the morning as you
> prepare to go diving, and just leave it running the whole day. No need
> to ever even input any dive data at all.
> So I think it would be lovely to have "anonoymous" data too, ie dives
> without any name information (because the user never gave one).

I just changed our current webservice to allow upload of dives for which we have
only the minimal set of information:
 - a user
 - a date
 - a time
 - the GPS coordinates


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