[Qgis-user] Error when running a simple raster filter

[Jill Campbell]

Hi, I am a new starter on QGIS and would like some instructions to resolve
a problem.

I am following a tutorial (QGIS for Archaeologists - a basic guide) and
trying to 'de-trend' a LIDAR map.

When I run the sequence:
*Processing: toolbox, geoalgorithms, filter tools, simple filter.... run*

I get an error message: 'Can't load requested DLL
c:\progr~1\QGIS2~1.18\apps\saga\dll\gdal_MrSID.dll

I am running QGIS 2.18 Las Palmas which I downloaded from the QGIS website
about 3 weeks ago (64-bit version). When I look at my programme files I
have the file and pathway 'apps\saga\dll\gdal_MrSID.dll'. I.e the required
file seems to be there but not running for this procedure.

Guidance would be appreciated.

Jill
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