[QGIS-Developer] What are best graph possibilities in QGIS

[Matthias Kuhn]

Hi Richard,

If you target QGIS 3, you might also go with a plain QML approach which
is available as of Qt 5.3 which should be available on any distro where
QGIS 3 is shipped.

http://doc.qt.io/qt-5/qquickwidget.html#details

QtCharts is built on the same foundation, so you can get to the same
results. It just needs a bit more boilerplate code.

Matthias

On 5/9/17 1:31 PM, G. Allegri wrote:
> I agree that (Py)QtChart is the way to go. Recently I did some proof
> of concepts starting from this simple
> example: https://github.com/PierreRaybaut/plotpy/wiki/Using-Qt-Charts-(PyQtChart)-to-plot-curves-efficiently-in-Python
> <https://github.com/PierreRaybaut/plotpy/wiki/Using-Qt-Charts-%28PyQtChart%29-to-plot-curves-efficiently-in-Python>!
>
>
> giovanni
>
> Il 9 mag 2017 12:52, "Richard Duivenvoorde" <rdmailings at duif.net
> <mailto:rdmailings at duif.net>> ha scritto:
>
>     On 09-05-17 12:44, Martin Dobias wrote:
>     > Hi Richard
>     >
>     > On Mon, May 8, 2017 at 10:47 PM, Richard Duivenvoorde
>     > <rdmailings at duif.net <mailto:rdmailings at duif.net>> wrote:
>     >>
>     >> Do 'we' (as the community) have a stand in this?
>     >> Is one option more future proof (for QGIS) then others?
>     >
>     > Aprart from the libraries mentioned above, I believe for a future
>     > proof code (QGIS >= 3) the choice should be the Qt Charts
>     library. It
>     > used to be distributed separately under commercial license, but
>     since
>     > Qt 5.8 (IIRC) it is included in standard Qt5 distribution with open
>     > source license. This library has the advantage of being native
>     to the
>     > Qt ecosystem and it seems to be quite powerful as well.
>
>
>     Thanks all for the libs and tips :-)
>
>     @Martin: I will have a look at Qt-graph, I think it is best to keep
>     close to our core libs. But not sure if it will soon be available in
>     repo's/distro's including the python bindings.
>
>     Besides this I'm doing this as part of a larger QGIS 2.x plugin,
>     so will
>     eventually probably have to use both ways.
>
>     Regards,
>
>     Richard Duivenvoorde
>
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