[gdal-announce] QGIS Loads Black Screen For PostGIS Out-Db Raster Data

[Osahon Oduware]

Ok. I have posted it on the gdal-dev mailing list.

On Tue, Apr 25, 2017 at 4:42 PM, Eli Adam <eadam at co.lincoln.or.us> wrote:

> Hi Osahon,
>
> This email went to the GDAL-announce list which I think is just for
> very occasional announcements from the developers.
>
> Asking GDAL questions is best done on the GDAL-dev email list.
> https://lists.osgeo.org/mailman/listinfo/gdal-dev
>
> Best regards, Eli
>
> On Tue, Apr 25, 2017 at 4:38 AM, Osahon Oduware <osahon.gis at gmail.com>
> wrote:
> > Hi All,
> >
> > I have an out-db raster on PostGIS which I tried to load in QGIS (v
> > 2.14.12-Essen) utilizing the DB Manager to establish a connection. I
> could
> > view the raster table, but when I try to "Add to canvas" it displays a
> black
> > screen instead of the raster image.
> >
> > This raster file exist on the filesystem and when it is loaded directly
> into
> > QGIS it displays the image (aerial photo). Also, when the same file is
> > stored in PostGIS as a raster (IN-DB), it can be viewed in QGIS (using
> the
> > DB Manager tool). However, when I link the same file as an OUT-DB raster
> in
> > PostGIS (in this case only the metadata of the raster and the filepath to
> > the raster file is stored), an attempt to view it in QGIS (using the DB
> > Manager tool) results in a black image being displayed instead of the
> aerial
> > photo.
> >
> > I have been told it has to do with QGIS-GDAL support for PostGIS Out-DB
> > rasters. I would be glad if someone could help me resolve this.
> >
> > _______________________________________________
> > gdal-announce mailing list
> > gdal-announce at lists.osgeo.org
> > https://lists.osgeo.org/mailman/listinfo/gdal-announce
>
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