QtLocation map updates

[Dirk Hohndel]

> On Jul 27, 2017, at 9:26 AM, Lubomir I. Ivanov <neolit123 at gmail.com> wrote:
> 
> On 23 July 2017 at 04:13, Lubomir I. Ivanov <neolit123 at gmail.com> wrote:
>> On 23 July 2017 at 03:58, Dirk Hohndel <dirk at hohndel.org> wrote:
>>> I don't know if I asked before... can the flags be labeled? Dive site name?
>>> 
>> 
>> yes, i will add the labels soon.
>> 
> 
> so, everything is pretty much in place including editing. i just need
> an answer for the bellow question and to rebase my few last patches.
> 
> the question is for Dirk and Linus about this particular logic here:
> https://github.com/neolit123/subsurface/blob/master/desktop-widgets/globe.cpp#L220
> maybe Tomaz is interested in this too.
> 
> the Q is - shouldn't this skipping of dive sites which are too close
> to already added dives sites (as markers) with the same name happen at
> the backend?
> - i.e. when parsing / creating the dive site list such can be merged?
> there is already the infrastructure for that e.g.
> divesite.h:get_distance(), divesite.h:merge_dive_sites()/
> 
> in my opinion the number of map marks should match the number of dive
> sites on the frontend side.

We cannot (really) stop people from having 20 different markers right next
to each other (after all, they could manually edit the XML data). That doesn't
mean that we should try to visualize a situation like that.

/D