On Thu, May 16, 2013 at 7:29 PM, Jonathan Moules <
[email protected]> wrote:

> Hi List,
> I'm trying to use an ImageMosaic and I'm getting some really odd behaviour.
> - The Mosiac is made of GeoTiffs (inner tiled and overviews) which
> GeoServer can serve fine as regular files.
>  - There are currently 8 items totalling 11GB (the other 20GB are still
> processing). These items all have different shapes and sizes, but none
> overlap and they're all part of one grid.
>     -I have the "Background Values" set to -9999 for nodata (it had a
> black background before this).
>

A common case is either:
* not having the overviews
* having files with different native resolutions (check them with gdalinfo)
* having files with different overviews, or at least one with none

Cheers
Andrea

-- 
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Ing. Andrea Aime
@geowolf
Technical Lead

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