[Qgis-user] 3D Surfaces in QGIS3

[Martin Dobias]

Hi Adam

On Fri, Mar 9, 2018 at 6:17 PM, Adam Dershowitz <dersh at alum.mit.edu> wrote:
> One of the features that I was most excited about for QGIS3 was 3D views.  One of my projects has 3D polygons above the ground elevation surface, and I was hoping to display them in QGIS.
> I figured out that I need to change the layer properties->3D View and Enable 3D render.  Now, it does display the polygon in space.  But, the polygon is always fully opaque.  If I change the layer opacity, it does change the opacity of the projection of the polygon on the ground, but not of the actual polygon in space.
> Is there anyway to change the opacity of the polygon in 3D space, so I can see the ground through it?

Transparency is currently not supported in 3D view - all objects are
fully opaque. In 3D, rendering of semi-transparent objects is not
trivial and requires some advanced tricks.

Regards
Martin