[Qgis-user] Unable to open some LISTdata open data ESRI File Geodatabases

Nyall Dawson nyall.dawson at gmail.com
Thu Dec 15 15:36:20 PST 2022


On Fri, 16 Dec 2022 at 09:18, Even Rouault via QGIS-User
<qgis-user at lists.osgeo.org> wrote:
>
> Hi Peter,
>
> yes I confirm this dataset is a raster gdb. I can sort-of open it with
> my QGIS + GDAL master build using the OpenFileGDB driver, but you'll see
> the raster tables in a raw unusable way. For example layers like
> fras_blk_NCH_ES_WATER_LOGGING_HAZARD which contains the tiles as
> compressed data in a BLOB column.
>
> You could try the https://github.com/r-barnes/ArcRasterRescue utility to
> convert into GeoTIFF

FWIW, I've had more luck with the fork at
https://github.com/justinfisk/ArcRasterRescue

Nyall

>
> You could also kindly or not kindly suggest your administration to not
> use proprietary formats for open data whereas thereare so many open
> alternatives, like GeoTIFF...
>
> Small "advertizing": for those interesting, there's a funding
> opportunity to develop a GDAL open source raster driver to be able to
> read filegdb rasters that QGIS could use to open directly such files.
> Contact me off-list if interested.
>
> Even
>
> Le 15/12/2022 à 23:49, JOLLY, Peter via QGIS-User a écrit :
> > Hello
> >
> > I've downloaded some  datasets from the LISTdata open data repository (https://listdata.thelist.tas.gov.au/opendata/index.html) -  which is a great service.
> > However, I can't open any datasets that are solely an ESRI File Geodatabase, e.g. https://listdata.thelist.tas.gov.au/opendata/data/NCH_ES_WATER_LOGGING_HAZARD_STATEWIDE.zip (279 MB)
> > Maybe these are raster gdb datasets? How can I tell if that is the case?
> > Is there any way the open a raster gdb other than with ESRI software?
> >
> > I can open gdb files in QGIS from LISTdata that are included as part of a set with shapefile and MapInfo tab files (e.g. in the "Tasmanian Irrigation Irrigation District" dataset). I'm guessing that is because these are vector gdb files?
> >
> > I'm running QGIS 3.10.6 ltr on Windows 10 64-bit (yes I know it's not the latest ltr, but it was the most recent "portable" build I have been able to find and run successfully).
> >
> > Thanks
> > Peter
> > Tasmania, Australia
> >
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