[postgis-devel] WKT Raster: GDAL or World fileupper leftcoordinates

Pierre Racine Pierre.Racine at sbf.ulaval.ca
Thu Mar 5 15:12:44 PST 2009


Sure!

By the way: We'll have to find a way to store a NULL nodatavalue when
GDAL can not find a nodatavalue in the raster. Is it possible? Otherwise
we'll have to add a HasNoDataValue() with a corresponding flag in the
WKB.

Pierre

>-----Original Message-----
>From: postgis-devel-bounces at postgis.refractions.net
[mailto:postgis-devel-
>bounces at postgis.refractions.net] On Behalf Of Mateusz Loskot
>Sent: 5 mars 2009 17:58
>To: PostGIS Development Discussion
>Subject: Re: [postgis-devel] WKT Raster: GDAL or World fileupper
leftcoordinates
>
>Pierre Racine wrote:
>> Thanks Frank,
>>
>> So I would suggest that we stick to World file when storing and in
the
>> numerous Get functions. If we want to get the equivalent of what GDAL
>> use we can derive it from rt_raster_envelope().
>
>Pierre,
>
>Does it mean I should fix gdal2wktraster.py script?
>
>Best regards,
>--
>Mateusz Loskot, http://mateusz.loskot.net
>Charter Member of OSGeo, http://osgeo.org
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