On Wednesday 15 February 2006 14:57, Allan Doyle wrote:
> On 2/14/06, Jørn Vegard Røsnes <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > just want to send you a hint about this 3D tool.
> > http://globe.sintef.no/
> >
> > It's almost like Google Earth, but with WMS support.
>
> Very nice! Based on the email thread, I think you are fetching
> predefined areas from existing WMS servers and are caching them
> locally, then feeding them to the viewers. 

True. There are caching in the VG server, and also some cache prediction about 
the next "view" the user will request. A view consists typical of area, angle 
and zoomlevel.
The VG server also has a internal datamodel for faster retrieval and 
visualization.

cheers
Jørn

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