[mapguide-users] MrSID files through GDAL FDO provider

Martin Morrison martin.morrison at edsi.com
Thu Jun 14 10:19:31 EDT 2007

If the mapguide tries each provider in order to open an image, how much
performance gain is there by only using one raster format and compiling
only that driver?  Or can you specify the order in which the drivers are


-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Frank
Sent: Thursday, June 14, 2007 10:05 AM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] MrSID files through GDAL FDO provider

Andy Morsell wrote:
> I have seen the ECW and MrSID providers trying to access the same
> files as well.  Doesn't make sense to me either.


I'm not sure what you mean about this.  The GDAL architecture is such
each format driver, in order, is offered a file until one determines
it belongs to them and the open proceeds.

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo,

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