[QGIS-Developer] QGIS 3D: looking below the terrain model
nyall.dawson at gmail.com
Wed Dec 13 14:06:28 PST 2017
On 14 December 2017 at 00:31, Andreas Neumann <a.neumann at carto.net> wrote:
> However, one issue I have is that the terrain rendering disappears when I
> look below the terrain model surface - which isn't so nice for a caver or
> geologist. Is this also an issue about culling? Would it be possible to
> enable the rendering of the backside of the terrain surface?
I agree that this is desirable. Geotechs will also very quickly be
demanding this feature in order to visualise boreholes correctly!
> The other issue I have is that tilting is somehow locked at the horizon. I
> can look down on the terrain and then rotate the whole model until I look
> sideway into the model, but than the rotation is blocked. I cannot rotate
> any further so that my camera gets below the surface and that I could move
> below the surface and look up towards the terrain. I guess this makes a lot
> of sense for people who do not need to explore things below the terrain
> surface, but for geologists or cavers, it would be great if this
> rotation/tilting blocking could be disabled somehow.
I'd suggest this should be an option in the 3d view configuration. I
agree it's a valid use case, but for most users it may be unwanted.
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