[gdal-dev] ogrmerge running very slow on merging GML to GPGK

[Vedran Stojnović]

Thank you very much!
I'll report the unreachable server link to the data provider.

ned, 20. lis 2024. u 00:13 Even Rouault <even.rouault at spatialys.com>
napisao je:

>
> Le 20/10/2024 à 00:06, Even Rouault via gdal-dev a écrit :
>
> Vedran,
>
> the issue is that your GML files reference a
> http://cap115:8101/geoserver/oss/wfs?service=WFS&version=1.0.0&request=DescribeFeatureType&typeName=oss%3AKATASTARSKE_OPCINE
> XML schema, and if the cap115:8101 server is not reachable, GDAL spends
> some time waiting for it before giving up.
>
> If all your .gml files share the same schema, you can actually use the
> generated .gfs file (which is a OGR GML specific schema format) for all of
> them, which will skip the step trying to download the XML schema
>
> Just add " --config GML_GFS_TEMPLATE katastarske_opcine.gfs" (without the
> double quotes) to your ogrmerge command line (cf
> https://gdal.org/en/latest/drivers/vector/gml.html#configuration-options),
> and this should run in one second total.
>
> and to avoid any warning, before running ogrmerge, manually edit
> katastarske_opcine.gfs to modify  <Width>12</Width> to  <Width>15</Width>
>
> Even
> Le 19/10/2024 à 22:58, Vedran Stojnović via gdal-dev a écrit :
>
> Hi all,
>
> not sure if this is a bug report so I want to check here if someone has
> experience with this.
> I need to merge 98 GML files, each having one MultiLineString feature into
> one layer so I'm using:
> ogrmerge -single -f GPKG -o merged.gpkg *.gml
>
> But it takes very long time (few seconds per file), and in the meantime
> gfs files are created every few seconds. I'm running ogrmerge from OSGeo4W
> Shell on Windows 11 PC, GDAL 3.9.2, released 2024/08/13.
>
> My dataset  is available here (1 MB ZIP with all 98 files):
> https://we.tl/t-V8Azs8WokU
>
> --
> Kind regards,
> Vedran Stojnović.
>
> _______________________________________________
> gdal-dev mailing listgdal-dev at lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev
>
> -- http://www.spatialys.com
> My software is free, but my time generally not.
> Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.
>
>
> _______________________________________________
> gdal-dev mailing listgdal-dev at lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev
>
> -- http://www.spatialys.com
> My software is free, but my time generally not.
> Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.
>
>

-- 
Srdačan pozdrav / Kind regards,
Vedran Stojnović.
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