Hallo  I get the same answer for postgis_version()I just tells that postgis is 
compiled with geos and proj try postgis_full_version instead, what do you get 
then? /Nicklas

2010-09-28 Rebecca Cooper wrote:

Hi,
>
>I have recently tried installing postgesql 8.4 with PostGIS 1.5 ( now clean 
>installs with v 1.4 instead ) onto to separate machines using the windows 
>installer.  I have only now realised that the buffer function is not 
>available, despite being in the functions list.  I checked the 
>postgis_version() and the result was "1.4 USE_GEOS=1 USE_PROJ=1 USE_STATS=1".
>
>The last time I installed this at work the correct geos module etc were 
>installed.  I have looked around and I can't find anything to say how I can 
>manually change this.  I believe it should be looking at the corrrect library 
>as I found in the bin folder the  libgeos-3-2-0.dll, libgeos_c-1.dll, 
>libproj.dll files, but I don't know anything about them or how they are being 
>referenced, other thatn one says 3.2 on it.  I have tried looking for a 
>postgis_config file, but I don't think that is something available to windows 
>users(?)
>
>Sorry for being so clueless, but I am worried as I have a deadline on friday 
>and need to be able to use this functionality!
>
>many thanks,
>Rebecca
> 
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