My organization has been testing using Mapserver as a WMS server to serve up imagery. So far the results have been very encouraging, but we want to do more testing before deploying this solution in a production environment. You'll most likely have to optimize your imagery to obtain maximum performance, which was easily done using the GDAL utilities available in FWTools. There are also some considerations in how you set up your map file that you'll need keep in mind, but overall I didn't find it to be all that difficult once I read some of the documentation. I've included some links below that were very helpful to me in getting Mapserver set up to serve our imagery.

http://mapserver.gis.umn.edu/docs/howto/raster_data
http://mapserver.gis.umn.edu/docs/howto/optimizeraster


Roger Diercks
GIS Manager
County of Kankakee
189 East Court Street
Kankakee, IL 60901

Voice: (815) 937-2986
Fax:   (815) 936-3358
[EMAIL PROTECTED]


Intengu Technologies wrote:
Hello

I understand that most experts are saying it is far better not to load images in a database but rather to serve them from a file based system. There are two commercial products that I know of ER Mapper - Image Web Server and ArcGIS Image Server what OSS products provide comparable functionalities. If these are available are there any bench mark studies done and also I would like to integrate such products with ArcGIS Server.

--
Sindile Bidla
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