Re: [OSM-talk] 3D OSM with terrain

[Tobias Knerr]

Hi Nick,

On 06.03.20 18:13, Nick Whitelegg wrote:
> Anyway, I was wondering if there was any active development on
> open-source 3D OSM renderers with terrain?

among the open source options, at least the Blender plugin blender-osm²
and the OSM2World renderer have terrain support.

As maintainer of the latter, I feel I should point out the current
limitations, though: While OSM2World has support for terrain based on
SRTM, that feature is still very experimental. In particular, there is
no level of detail mechanism for terrain (which makes it not scale well
to wide open terrain in the countryside) and the workflow in the desktop
software is inconvenient (need to download SRTM data manually and update
a config file with the path pointing to the dataset).

Due to these quality and performance issues, the first version of our
still-not-finished WebGL client¹ will most likely not include 3D
terrain. But the goal is to eventually get there, so if you see
potential synergies, please reach out!

Tobias

¹ https://wiki.osm.org/OSM2World/WebGL_client
²
https://wiki.osm.org/Blender#blender-osm:_OpenStreetMap_and_Terrain_for_Blender

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[OSM-talk] 3D OSM with terrain

[Nick Whitelegg]

Hi,

As part of investigating the possibility of developing a web-based version of 
Hikar, I've developed a simple (and with several flaws!) proof-of-concept 3D 
OSM application which overlays OSM highways on Terrarium DEM data using A-Frame 
(aframe.io).

It is only simple, for instance it doesn't show water, doesn't yet show models, 
and doesn't show rivers - and has some rendering artefacts in that OSM ways 
might disappear below ground level if they do not contain enough nodes.
Also it's restricted to Europe and Turkey, as these are the regions my database 
cover.

Anyway, I was wondering if there was any active development on open-source 3D 
OSM renderers with terrain? I'm aware that several years ago we had the OSM-3D 
project but development on this seems to have stopped, and many projects exist 
which do impressive rendering of buildings, but I can't find anything which 
aims to render terrain and countryside areas.

If not, I'm wondering if anyone wanted to collaborate on this and take it 
further? It's unlikely I will personally have the time to fully develop the 
demo into an impressive OSM VR app, but would be interested to hear if anyone 
is keen to work on it.

Demo at: https://hikar.org/aframe/

Repo: https://gitlab.com/nickw1/aframe-expts/

Thanks,
Nick



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