Re: [fdo-users] GDAL FDO provider with raster performance enhancements

[robert fritz]

Frank,

thank you very much for your reply. In Studio I can create a new "Data Connection" using the GDAL provider listed in the "Select feature provider" dialog box. I put the path to the folder in the "Connection properties" (labeled as DefaultRasterFileLocation), "Test Connection" gives back a "Succesful connection". But I do not get a list of files when I click on "View data" in the "preview" pane. And I do not see any image in the layer or map preview - even if I combine the raster image layer with a sdf based "boundary" layer. The problem is - there isn't any error message - neither in Studio nor in the the server log files.

I'm not sure if I should install MG OS to test it - I think it should work with MGE 2008 too?

Regards, Robert

*Von:* FDO Users Mail List <FDO-USERS at LISTS.OSGEO.ORG>
*Gesendet:* 23.08.07 15:39:06
*An:* FDO Users Mail List <FDO-USERS at LISTS.OSGEO.ORG>
*Betreff:* Re: [fdo-users] GDAL FDO provider with raster performance enhancements


robert fritz wrote:
> Hi,
> 
> I installed the new GDAL FDO provider with raster performance 
> enhancements (http://trac.osgeo.org/fdo/wiki/FdoGdalNotes) on MGE 2008. 
> When I execute the configbuilder.php an "An exception occurred in FDO 
> component. FDO Provider Not Registered Exception occurred in method 
> MgFdoConnectionManager.Open at line 259 in file 
> c:uild_bond_areaBond_NightlyBUILD_41.3EntOSServersrcCommonManagerFdoConnectionManager.cpp 
> " occurs. It seems that the function $tmpSpatialContextReader = 
> $featureService->GetSpatialContexts($tmpResource, false); causes the 
> message.
> I have no idea what is going wrong. I tried different raster datasets 
> (tifs, png) but got the same error.

Robert,

I'm not clear on why you would be getting as far as a GetSpatialContexts()
call before hitting a "provider not registered exception" but I don't
know how the configbuilder.php is setup. Does the provider work with
MGE for displaying raster data?

The first thing I would check is that the provider is properly listed
in the providers.xml file. I believe FDO is very sensitive to getting
version numbers right in this file for instance.

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, http://osgeo.org

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