[QGIS-Developer] QGIS 3D Grant

Martin Dobias wonder.sk at gmail.com
Tue May 23 20:40:01 PDT 2017

Hi Syd

The idea is to have support for proper 3D meshes/volumes, not just
2.5D geometries. The initial work should introduce interface for 3D
renderers (somehow similar to 2D renderers we have now) allowing
generation of arbitrary meshes and associated materials from input
data (which could be 2D geometries, 2.5D geometries or 3D geometries)
- to create e.g. buildings extruded from their footprint, tree objects
from points or underground pipes from linestring geometries. In the
initial work we may not have support for reading true 3D geometries
from data sources like PostGIS, but that should not be a problem to
add at some point later when the 3D rendering framework is in place.


On Tue, May 23, 2017 at 10:41 PM, Syd Visser <sydv at sjgeophysics.com> wrote:
> I have a question on the 3D that was proposed in the grant for the use with
> QT 3D. Am i wrong to think this is really oriented towards what some people
> call 2.5D (terrain model as shown in the proposal example) or will there be
> support for 3D that will be able to display 3D meshes or volumes like those
> available in Grass and display in programs such as NVIZ and Paraview or more
> advanced commercial software. As geophysicists we are always trying to look
> at things under the ground not on top.
> thanks
> Syd
> --
> Syd (Sipke) Visser, P.Geo.
> President, Snr. Geophysicist/Geologist
> Tel: 1 (604) 582-1100
> Cell: 1 (604) 813-1440
> sydv at sjgeophysics.com
> www.sjgeophysics.com
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