[QGIS-Developer] QGIS 3D: Move away from Qt 3D?

[Jean-Roc Morreale]

Le jeudi 12 février 2026 à 23:34 +0100, Even Rouault via QGIS-Developer
a écrit :
>  Hi, 
> >  
> > High level 3D engines are certainly something to consider as well,
> > and I have evaluated a couple of them. Overall my impression was
> > that those are generally massive pieces of software with lots of
> > new dependencies, that are generally not built for being embedded
> > in existing applications. (e.g. Godot, O3DE) I would be happy to
> > hear any recommendations for higher level 3D engines that would be
> > easy to embed!
> >  
>  
> Not necessarily a recommendation, but there's also Ogre3D
> (https://www.ogre3d.org/). In a project in a previous life (~15 years
> ago) we used it for flight preview.  If I remember well, there was no
> terrain tile loader shipped with the engine, but we plugged one. We
> didn't have lots of objects, a few OBJs, so not sure how that would
> behave with big models. At the time we used it through a GTK
> integration, but there's apparently a Qt
> one:https://ogrecave.github.io/ogre/api/latest/class_ogre_bites_1_1_a
> pplication_context_qt.html
>  
> Even
>  

Hi, may I suggest having a look at Kiware's VTK ? It's C++ with 
JS/WASM ports, been for 3 decades, not tied to the Qt Company but used
with Qt-enabled softwares covering GIS/point cloud/volumetric usecases.