That is quite cool Juha, would you like to write up a blog post for
geoserver.org to reach a larger audience? Even just your email with a few
screen snaps would be quite sufficient.
--
Jody
Jody Garnett
On Mon, Mar 3, 2014 at 12:52 AM, Juha Hyvärinen <
juha.hyvari...@cyberlightning.com> wrote:
> Hi all geoserver developers,
>
> As a part of European Comission FI-WARE project (http://www.fi-ware.eu/)
> we, here at Cyberlightning have implemented new XML3D output format for
> Geoserver W3DS community module.
>
> I have just opened new pull request (
> https://github.com/geoserver/geoserver/pull/517 ) for that implementation
> and I would gladly have some feedback.
>
> Current implementation includes only support for GetScene request. Scene
> can be requested as a 3D model in XML3D format or as a octet-stream where
> only elevation information is returned with addidional information from
> grid it was generated from. XML3D part also supports externally referenced
> 3D objects.
>
> We also implemented support for different LOD requests. In our definition
> smallest LOD value is 1 and highest is 10. Smaller value means less
> detailed model.
>
> Due current development state of XML3D there are some restrictions how and
> what can be returned from the server so that it can also be rendered in the
> client side. Therefore we decided to focus our work mainly on terrain
> generating. For example at the moment XML3D doesn't support drawing of
> points and lines and it also lack of support for geological information
> combined to model data.
>
> Still, it is quite impressive how good looking terrain models server can
> generate from simple elevation data (we used open data from National Land
> Survey of Finland) and most critical shortcomings in XML3D are fairly easy
> to overcome with client side logic.
>
> We have demo server up and running at
> http://dev.cyberlightning.com:9091/geoserver/ and also our demo client is
> online at http://dev.cyberlightning.com/~jhyvarinen/GIS/
>
> At the moment our demo client only support XML3D models and terrain, but
> there is also hardcoded test request for octet-stream request, which prints
> returned data from the server to console output.
>
> Terrain data used in that demonstration is 324 square kilometers from
> Pallas-Yllästunturi National park in Finland. There are also two optional
> texture layers available and both of those are also served from the same
> Geoserver instance. We have also added 3 buildings to another layer to
> demonstrate external object referencing.
>
> Client make new terrain request to server when camera moves to new area,
> which is not yet loaded. Orange plane combonent is a visual hint for the
> area that contains information from selected layers.
>
> Camera is in freefly mode and it's controlled with WASD, C and space keys,
> camera can be rotated with left mouse button.
>
> Best regards,
> Juha Hyvärinen / Sami Jylkkä
>
> --
> Juha Hyvärinen
> Software Engineer
> Cyberlightning Ltd.
>
> email. juha.hyvari...@cyberlightning.com
>
> Go to www.cybersli.de and enrich your presentations!
>
> www.cyberlightning.com
>
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