[postgis-users] Error in raster import with WKTRaster

[Jorge Arévalo]

2011/2/11 Mathieu Basille <basille at ase-research.org>:
> Dear Jorge,
>
> The NoData value seems indeed at the origin of the problem:
>
> $ gdalinfo RoadDensity_2002_2006_CV_UTM19_25m.tif | grep NoData
> NoData Value=nan
>
> In my other density maps, there was no 'NoData value' (the same command
> returns nothing). It thus seems that I have some NAs in my map, which
> are not handled correctly.
>
> After his request, I sent the map to Pierre Racine who is going to have
> a look at it to find the problem.
>
> Thanks a lot,
> Mathieu.
>
>

Hello,

I've created a new ticket for this: http://trac.osgeo.org/postgis/ticket/828

Best regards,

-- 
Jorge Arévalo
Internet & Mobilty Division, DEIMOS
jorge.arevalo at deimos-space.com
http://es.linkedin.com/in/jorgearevalo80
http://mobility.grupodeimos.com/
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http://geohash.org/ezjqgrgzz0g



> Le 2011-02-11 09:02, Jorge Arévalo a écrit :
>> Hi Mathieu
>>
>> 2011/2/11 Mathieu Basille <basille at ase-research.org>:
>>> Hi Jorge,
>>>
>>> Thx for the answer! Seems I did a nice mess with the install, because I did
>>> install it with the --with-raster configure option! I'll try to fix it as
>>> soon as possible (I'm not on the same computer right now, so that it'll have
>>> to wait a bit). Do you think it would be safer to reinstall everything, in
>>> order to have a fresh install?
>>>
>>
>> I think you should recompile PostGIS with PostGIS Raster again (first
>> svn update) and then create a new and clean database and follow the
>> instructions to postgis-raster-enable it
>>
>> ./configure --with-raster
>> make
>> make install
>> createdb <your_database>
>> createlang plpgsql <your_database>
>> psql -f postgis/postgis.sql -d <your_database>
>> psql -f spatial_ref_sys.sql -d <your_database>
>> psql -f raster/rt_pg/rtpostgis.sql -d <your_database>
>>
>>> I will also check the NAs of the map (that's weird, too: there are no NAs on
>>> this map, but I guess they are internally set anyway). What puzzled me is
>>> that it worked for other maps with the same procedure...
>>>
>>> I'll let you know, thx again!
>>> Mathieu.
>>>
>>
>> Check the NODATA with gdalinfo, just in case.
>>
>> Best regards,
>>
>
> --
>
> ~$ whoami
> Mathieu Basille, Post-Doc
>
> ~$ locate
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> + Centre d'Étude de la Forêt
> Département de Biologie
> Université Laval, Québec
>
> ~$ info
> http://ase-research.org/basille
>
> ~$ fortune
> ``If you can't win by reason, go for volume.''
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>