[OSGeo-Discuss] Raster data on a DBMS

Lester Caine lester at lsces.co.uk
Tue Nov 4 08:11:06 PST 2008

Lucena, Ivan wrote:
> That would reduce the complexity a lot. It would be *just* 80 files. I probably don't even need a separate then in folder. I 
> could also generate pyramids overlay on those. That would increase the data storage a little:
> 80 files
> 80x720x360x250x2x2=20736000000
> Does anybody advocate Geoserver, Mapserver, ArcServer, Imageserver, tile cache, openlayers or others? Or should I use raster 
> or database for that?

I think the subject of this thread is the real problem?
Raster DATA. Raster information is only images. They require some sort of 
processing to extract any data from them?
Data overlays for raster images will help to provide methods of searching for 
features and then displaying the correct area of the raster image? Timestamp 
data to identify a sequence of images would also be best stored in a database, 
with features and locations extracted from particular images stored along with 
  links to the correct raster image.
So the raster images are stored as files, and the data relating to them in a 

Lester Caine - G8HFL
Contact - http://lsces.co.uk/lsces/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

More information about the Discuss mailing list