[Qgis-developer] QGIS standalone app - layer tree, legend and co.

Germán Carrillo carrillo.german at gmail.com
Sat Jul 5 18:42:15 PDT 2014


have a look at the Layer list widget for PyQGIS applications [1], perhaps
it could fit your needs.

Not sure if it works on recent QGIS versions, though.



2014-07-04 10:07 GMT-05:00 Martin Dobias <wonder.sk at gmail.com>:

> Hi Matthias
> On Wed, Jul 2, 2014 at 4:17 PM, Matthias Ludwig <kaotika at gmx.de> wrote:
> >
> > Hi,
> >
> > I'am writing a data viewer as python qgis standalone application. Is it
> possible to use the QgisInterface and other classes (like
> QgsLegendInterface) for layer handling (adding, removing, activation, etc.)?
> > Cause I didn't found a way I have written my own layer model based on
> qts QAbstractListModel. It's working more or less, but I would prever a
> nativ solution if available.
> QgisInterface and QgsLegendInterface will not work if you are
> developing a standalone application. As Andreas suggested, if you base
> your application on QGIS 2.4, you can use new layer tree classes:
> QgsLayerTreeView + QgsLayerTreeModel for Qt model/view and
> QgsLayerTreeGroup + QgsLayerTreeLayer classes for the actual hierarchy
> that will be used by the model and view classes. There is some doxygen
> documentation in the header files, but I am in the process of
> preparing some blog posts about the new classes... stay tuned!
> Regards
> Martin
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Soluciones Geoinformáticas Libres
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