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The Washington GIS Community • View topic - Problem with MrSID Images

Problem with MrSID Images

Moderator: WA URISA Board

Problem with MrSID Images

Postby Matt_Stull on Thu Mar 09, 2006 12:24 pm

Hi GIS Users,

I was hoping to get feedback from other users about how their MrSID imagery performs in their organization. We recently purchased the GeoExpress 6.0 and created MrSID Generation 3 files. To our disappointment the images don't display at an acceptable speed on our network at the county government. In fact our TIFF images, which are over 500 MB, display faster than the MrSID images do (after we built pyramids for them in ArcCatalog). The MrSID images are displaying 3 to 5 times slower than the TIFF's. This doesn't seem to make any sense but maybe it does. I am actively working with ESRI and LizardTech support but I was hoping to get some more feedback from "real world" users. We compressed the MrSID images at 20:1 ratio and we only compress single images, we didn't tile them.

We have a Novell Network running at 1 Gigabit. Our file server (where the MrSID and TIFF files are coming) from is a Suse Linux server with Samba. Our desktop machines are running Windows 2000 Service Pack 4. We are running ArcGIS 9.1 with service pack 1.

Any thoughts out there?

Thanks
Matt Stull
Mason County
Matt Stull
GIS Coordinator
City of Tumwater
WAURISA Tech Cmte Member
Matt_Stull
Site Admin
 
Posts: 93
Joined: Mon Oct 11, 2004 1:26 pm
Location: Tumwater, WA

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