Do raster cells in Geoserver have to contain positive values?

When I try to publish a GeoTiff store for a bathymetry grid with negative depth values Geoserver tells me 'Could not list layers for this store, an error occurred retrieving them: Unable to acquire a reader for this coverage with format: GeoTIFF'.

When I change all the values to positive values a store can be generated and publishable.

Seems like Geoserver can't handle negative raster cell values? At least with GeoTiffs.

I'm using Geoserver 2.0.2.


 Richard "Abe" Coughlin

SPATIAL DATA & APPLICATIONS SPECIALIST
*Pacific Islands Ocean Observing System*
*University of Hawaii 1-808-956-0822 *
www.pacioos.org <http://www.pacioos.org>
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