[GRASS-stats] Incompatible library version for module SOLVED but new problem with plugin=TRUE has emerged

[Roger Bivand]

On Sun, 11 Jan 2009, Markus Neteler wrote:

> On Sun, Jan 11, 2009 at 4:48 PM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
>> On Sat, 10 Jan 2009, Markus Neteler wrote:
>>> On Sat, Jan 10, 2009 at 9:20 PM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
>>>> On Sat, 10 Jan 2009, Markus Neteler wrote:
>>>>> On Sat, Jan 3, 2009 at 11:09 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
> ...
>>> This message *is* confusing as it is a warning only. It comes from GDAL:
>>> gdal/frmts/gtiff/geotiff.cpp:                  "SetColorTable() only
>>> supportedfor Byte or UInt16 bands in TIFF format." );
>>>
>>>   if( eDataType != GDT_Byte && eDataType != GDT_UInt16 )
>>>   {
>>>       CPLError( CE_Failure, CPLE_NotSupported,
>>>                 "SetColorTable() only supported for Byte or UInt16
>>> bands in TIFF format." );
>>>       return CE_Failure;
>>>   }
>>>
>>> I suppose there is some trick to suppress it (since it uses the
>>> CPLError function).
>>> I don't know too much about it but found
>>>
>>> http://www.gdal.org/ogr/cpl__error_8h.html#ad2b98dd58e4de706a245faddac90403
>>>
>>> Just throw stderr stuff to /dev/null (of course problematic with Windows)?
>>
>> I've "handled" this for some definition of handle by setting -c in the
>> r.out.gdal call - this was controlling whether colour table writing was
>> attempted.
>
> ah fine, I didn't think of this possibility.
>
>>>> WARNING: Input raster map contains cells with NULL-value (no-data). The
>>>>        value 999 was used to represent no-data values in the input map.
>>>>        You can specify nodata value by nodata parameter.
> ...
>>> http://trac.osgeo.org/grass/changeset/35321
>>>
>>> It is in 6.4SVN and 7 SVN and will appear on Monday in 6.4.0RC2.
>>> GRASS 6.3 and older are not affected as r.out.gdal wasn't there.
>>>
>>
>> With 6.4SVN I now get:
>>
>>> library(spgrass6)
>>
>> Loading required package: sp
>> Loading required package: rgdal
>> Geospatial Data Abstraction Library extensions to R successfully loaded
>> Loaded GDAL runtime: GDAL 1.6.0, released 2008/12/04
>> GDAL_DATA: /home/rsb/lib/r_libs/rgdal/gdal
>> Loaded PROJ.4 runtime: Rel. 4.6.1, 21 August 2008
>> PROJ_LIB: /home/rsb/lib/r_libs/rgdal/proj
>> GRASS GIS interface loaded with GRASS version: 6.4.0svn
>> and location: nc_spm_08
>>>
>>> elev <- readRAST6("elev_state_500m")
>>
>> raster/current region mismatch detected in components:
>
> may I suggest cosmetics:
> raster map/current region mismatch detected in components:
> ?

Committed - so you'll see this when you get to it, thanks.

I'll worry about the 6.4 - 7.0 plugin issue when it becomes more pressing 
for me - for now I'll avoid 7.0.

Best wishes,

Roger

>
>>           cols            rows origin.northing  origin.easting
>>          FALSE           FALSE           FALSE           FALSE
>> set plugin=TRUE to override; continuing with plugin=FALSE
>> /home/rsb/topics/grassdata/nc_spm_08/rsb/.tmp/reclus2/elev_state_500m has
>> GDAL driver GTiff
>> and has 620 rows and 1630 columns
>>>
>>> elev <- readRAST6("elev_state_500m", ignore.stderr=TRUE)
>>>
>>
>> I've committed to sourceforge CVS, could you confirm that this is OK?
>
> I'll do (tonight I won't manage and I got the mail only now due to
> osgeo mail reflector stuck for some hours).
> Hope tomorrow morning as first thing.
>
>> How does one manage the plugin links in a mixed 6.4/7.0 setting? I tried 7.0
>> first, but I think there was a problem:
>>
>> ERROR: Incompatible library version for module
>>
>> which crashed R/rgdal. The plugin was built against 6.4RC1, so probably two
>> different library versions had a disagreement.
>
> Oh, this is really a problem and needs to be discussed on grass-dev
> or via trac ticket. Glynn had added this test which will cause troubles
> here. Maybe there is a workaround possible.
>
> Thanks for your efforts.
>
> Best wishes,
> Markus
>

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no