Hi Clay

We are using VPB terain build from a 40 cm raster and 10 m elevation
covering roughly a 400 by 400 km area. this results in a database that is
about 500 GB depending on build options. This dataset runs fine on a gaming
rig.

We are using UTM projected terrains so far though, cant say if whole world
stuff will add problems.

brgs.

Ralf Stokholm
www.arenalogic.com



2009/12/11 Clay, Bruce <[email protected]>

>  This is probably a dumb question but is there any rule of thumb or logic
> to use when creating terrain databases of differing resolutions that will
> reduce edge differences.
>
>
>
> For example if I create a full world database from the Blue Marble images
> and higher resolution local area database from NAIP 1 or 2 meter images how
> should we decide the number of tile layers to limit the transition effects?
>
>
>
> Second question – has anyone used VirtualPlanetBuilder with 6in/pixel
> rasters?  Will it work with a 1.8G SID file without choking?  I would like
> to create a terrain dataset to support driving separate from the flying
> dataset.
>
>
>
> Bruce
>
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