We actually use the google apis to fetch the images
On Mon 10. Jul 2017 at 17:05, Lubomir I. Ivanov <neolit...@gmail.com> wrote: > On 10 July 2017 at 17:29, Hartley Horwitz <hhr...@gmail.com> wrote: > >> > >> ---------- Forwarded message ---------- > >> From: "Lubomir I. Ivanov" <neolit...@gmail.com> > >> To: Subsurface Mailing List <subsurface@subsurface-divelog.org> > >> Cc: > >> Bcc: > >> Date: Mon, 10 Jul 2017 00:25:38 +0300 > >> Subject: the marble (map) replacement dilemma > >> > >> ......... > >> you can pick between Google Maps and Qt Location > > > > > > My pick is to use Google Maps and accept that access to the maps when > > offline isn't supported. Obviously that only makes sense if Subsurface > > suppresses the viewport update to prevent the software from hanging or > > producing error messages. > > in my current tests, if the internet drops, the google maps widget in > subsurface would not feedback any errors to the user frontend. > what happens is that it would cache the current zoom level and perhaps > some tiles form the neighbor zoom level, but if the user zooms out too > much the viewport just turns grey even if it has already cached the > tiles from that zoom level previously to disk. > > we can potentially install a more user friendly error handling. for > instance - filling the google map widget with an overlay message > saying: "no internet connection" and once the internet is back (e.g. > via ICMP echo) the message can be hidden. > > > > > The reason I lean towards Google maps is that I like to see the reefs > using > > satellite images, and thus I'm already looking at Google to help set the > > dive location (if I don't have the exact GPS coordinates). > > the Qt Location solution (see the animated GIF in first post) also has > satellite imagery. however, i would consider that imagery lower > quality than that of google maps. > (e.g. some tiles with drastically different colors are stitched > together at places) > > > Actually sometimes I still use Google maps because I may have the > coordinates in > > sexagesimal degrees coordinates and its easier to type in coordinates in > > decimal and google is an easy source for that translation. > > > > i don't think we support sexagesimal coordinates yet, but we can > certainly add support for that. > > lubomir > -- > _______________________________________________ > subsurface mailing list > subsurface@subsurface-divelog.org > http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface >
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