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

2022-12-15 Thread Nyall Dawson via QGIS-User
On Fri, 16 Dec 2022 at 09:18, Even Rouault via QGIS-User
 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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>
> --
> http://www.spatialys.com
> My software is free, but my time generally not.
>
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Re: [Qgis-user] Unable to open some LISTdata open data ESRI File Geodatabases

2022-12-15 Thread Andrea Giudiceandrea via QGIS-User

*JOLLY, Peter*
/Thu Dec 15 14:49:47 PST 2022/

Maybe these are raster gdb datasets? How can I tell if that is the case?


It seems they contain raster as indicated in the metadata [1] and AFAIK 
the GDAL File Geodatabase drivers are not capable of raster reading and 
writing (ESRI File Geodatabase is a proprietary format).



Is there any way the open a raster gdb other than with ESRI software?


You may be able to extract them using ArcRasterRescure [2]. It is the 
result of an effort to reverse engineer the ESRI File Geodatabase raster 
format.




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?


Yes.


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).


You can find more up to date QGIS portable versions at [3]. Just 
download one of the archives, extract it in a folder and launch 
qgis-grass.bat.



Best regards.

Andrea Giudiceandrea


[1] 
https://www.thelist.tas.gov.au/app/content/data/geo-meta-data-record?detailRecordUID=4a1fbc79-3846-4718-9990-c93e7b4f8e4d

[2] https://github.com/r-barnes/ArcRasterRescue
[3] https://github.com/pigreco/QGIS_portable_3x#qgis___
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Re: [Qgis-user] Unable to open some LISTdata open data ESRI File Geodatabases

2022-12-15 Thread Even Rouault via QGIS-User

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


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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My software is free, but my time generally not.

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

2022-12-15 Thread JOLLY, Peter via QGIS-User
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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