[gdal-dev] Help with OGDI vector driver usage

[Even Rouault]

Le 02/12/2021 à 05:18, Carl Godkin a écrit :
> 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 
> <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

try:

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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