[SailfishDevel] About applications presenting a map interface

[Martin Kolman]

Sat, 12 Sep 2015 22:33:31 +0200 David Van Rijn:
> Hi Guys,
>
> I definitely agree that there should be an easy way to add a map in 
> any application. This would make things so much more efficient. I 
> believe there were some mails earlier in this group about storing all 
> the cached tiles in the same place, so apps can share them.
Yeah, I made the "Well known map data path" proposal a while ago but 
unfortunately there were not many reactions or feedback since then. But 
everybody is of course welcome to use or extend the specification. :)

Also on a related note - I have been recently working on a rewrite of 
modRanas tile storage code to make it much more flexible & robust. The 
result should be that in the future modRana should be able to look for tiles
at multiple places simultaneously - for example in its own tile storage 
location, in a well known/shared tile storage location or even possibly 
in the tile storage locations of other apps (if compatible). :)

>
> A while ago i started with bulding my own 
> <https://github.com/unsanded/harbour-mapp> slippy-map application to 
> do just this. It uses Qt scene graph, so it should be really quick and 
> efficient. It is not finished yet (rotating and zooming are hard to 
> combine), but it might be interesting nontheless.
Any idea if you can make some use of the mapbox-gl-native vector map 
renderer[2) ? Maybe as a special tile provider ? The output looks 
marvelous and it's also C++ and they even have some initial Qt 5 
support[3] (QWidget only at the moment though).

[1] https://lists.sailfishos.org/pipermail/devel/2014-March/003731.html
[2] https://github.com/mapbox/mapbox-gl-native/
[3] https://www.mapbox.com/blog/qmapboxgl/

>
> Cheers,
>
> David
>
> 2015-09-10 20:30 GMT+02:00 Kim Foder <Kim at foder.dk <mailto:Kim at foder.dk>>:
>
>     Hi Juice
>
>     I'm using Pinchmap from Foursail, it's a qml/javascript
>     implementation of a
>     slippery map, and works great, at least for my use ;)
>
>     /Kim
>
>     On Thursday 03 September 2015 08:14:27 juice wrote:
>     > Morning.
>     >
>     > This might well be a FAQ but I could not find the answer
>     browsing thru
>     > the mailing list archives.
>     >
>     > I see that currently QtLocation and QtPositioning are still not
>     allowed
>     > in Harbour.
>     > This seems to me that I cannot use a Map object in QML.
>     >
>     > What is approved the method to present a map interface (openmaps for
>     > example) in an application and still have it possible to submit the
>     > application to the store?
>
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