[SailfishDevel] (no subject)
martin.kolman at gmail.com
Wed Dec 17 23:16:26 UTC 2014
Wed, 17 Dec 2014 16:04:31 +0100 David van rijn <davidvanrijn at gmail.com>:
> I am writing a qml component to display a slippy map (eg. google maps).
> (You can look at the code at https://github.com/unsanded/harbour-mapp.)
> The idea is to be able to add maps in qml by just typing something like:
> apiKey: "blabla"
> I have a few questions about this:
> - Can it, at some point, become a library for others to use?
Could be certainly interesting and useful! :)
> - What is the best way to implement offline maps/routing?
For offline routing the routino routing utility currently looks like
the best bet for Sailfish.
I have already managed to build it's package for Sailfish and it
appears to be working fine. :)
Another candidate could be the Monav routing daemon, but it's
upstream is dead, it depends on Qt 4 and its source
code has been bit-rotting rather badly.
As for offline map rendering, the Mapbox GL native widget looks like
the best bet, if it could be wrapped in a QML element! :)
I even suggested the QML integration to the Mapbox people, but they
unfortunately replied that they are not interested in doing that
themselves (most probably not to canobalize their iOS & Android SDKs
with a superio solution ;-) ).
> - Is anyone eager to join the project?
> - any other feedback?
Many current Sailfish OS applications are using the QML-only PinchMap
QML element, originally from AGTL, for example:
On the other hand the Poor Maps application has a custom solution based
on enhanced QtLocation Map element.
So maybe have a look how these work and what features these applications
expect as inspiration work on your project. :)
(main modRana developer)
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