[Qgis-user] Re: QGIS intallation, Windows XP, TIFFUnsetField, libtiff.dll

[Agustin Lobo]

Patrick,

Yours seems to be a different problem. I had libtiff.dll in both 
C:\windows\system32 and C:\OSGeo4W\bin. Deleting the in
C:\windows\system32 solved the problem. So you should not
move libtiff.dll into C:/WINDOWS/system32

Have you tried gdalinfo -version on the osgeo console?
In any case, you should send your question to osgeo4w-dev at lists.osgeo.org
also.

I'm now reviewing the osgeo4w installation, which I do for students
only as I prefer ubuntu for my own work. I think that
the best is using the automatic installation for GDAL and GRASS
(not for QGIS, as this installs a very old version) first (which takes
a looong time) and the use the Advenced installation to select QGIS 1.3.0.1
under the desktop section, plus the libraries I mentioned in step 6 in
http://sites.google.com/site/eospansite/qsig-for-windows
(but note that the rest of those directions are outdated)
It seems we are getting good results with this procedure, but we are really
looking into it now. My main OS is not windows.

Agus





Patrick Giraudoux wrote:
>> Hi Patrick,
>>
>> On Sun, 29. Nov 2009 at 12:06:45 +0100, Patrick Giraudoux wrote:
>> > I have seen on the list that Agustin Lobo had a quite similar trouble:
>>  
>> > <http://n2.nabble.com/Problem-with-TIFFSetField-in-*libtiff*-*dll*-td2271128.html 
>> <http://n2.nabble.com/Problem-with-TIFFSetField-in-libtiff-dll-td2271128.html>>, 
>>
>>
>> > but I cannot find out if whether it was solved or not and if so how...
>>
>> In that thread Frank suspected that there is a *libtiff*.*dll* in Agus 
>> system32
>> directory.  That was the case and Agus removed it.  That helped.
> 
> 
> Yes, but I found that libtiff.dll was NOT in C:/WINDOWS/system32, but is 
> well present in C:\OSGeo4W\bin
> 
>>
>> Unfortunately it's not possible to have *Windows* find OSGeo4W's 
>> *libtiff*.*dll*
>> before the one in system32 and removing it or replacing it with the 
>> OSGeo4W
>> version might break the software that originally put it there.
>>
>> But in that case it might help to put the original *libtiff*.*dll* 
>> into the same
>> directory as the .EXE of the other software.
> This is not clear to me. libtiff.dll is currently in C:\OSGeo4W\bin 
> where I can find qgis.bat but not qgis.exe. Do you mean that I should 
> move libtiff.dll into C:/WINDOWS/system32 ?
> 
> Thanks for the hint,
> 
> Patrick
> 
> 
> 
>>
>>
>> Jürgen
>>
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