[gdal-dev] Help with OGDI vector driver usage

[Carl Godkin]

Hi,
I've got some data that is in VPF (Vector Product Format) format and it
appears that the OGDI vector should be able to consume it.

I have GDAL 3.4.0 (the OSGeo4W build) and cannot figure out how to even run
"ogrinfo" on the data set.

>From this page (https://gdal.org/drivers/vector/ogdi.html), it appears that
the syntax should be

ogrinfo
gltp:[//<hostname>]/<driver_name>/<dataset_name>:<layer_name>:<family>

but in all of the examples, the "driver_name" is "vrf" so I tried that (as
well as "vpf" out of desperation) but I'm on Windows so I'm puzzled about
the exact syntax.

My data is in d:\users\carl\vvod (which contains the dht and lat files).

>ogrinfo gltp:/vrf/d/users/carl/vvod
ERROR 1: OGDI DataSource Open Failed: Can't open CAT file, invalid VRF
database

ERROR 1: OGDI DataSource Open Failed: Can't open CAT file, invalid VRF
database

FAILURE:
Unable to open datasource `gltp:/vrf/d/users/carl/vvod' with the following
drivers.
<long list of drivers>

There are indeed "cat" files in every sub-directory of vvod, by the way.

And I won't bore you with the 50 variations I tried.

If anyone has experience with this driver and can provide some guidance, it
would be very helpful.

Thanks very much,

carl
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