[gdal-dev] Trouble reading .dgn files

[Roger André]

Oh, and sorry that I didn;t answer your question about the error.  I get the
generic:

FAILURE:
Unable to open datasource `./' with the following drivers.
  -> ESRI Shapefile
  -> MapInfo File
  -> UK .NTF
  -> SDTS
  -> TIGER
  -> S57
  -> DGN
  -> VRT
  -> AVCBin
  -> REC
  -> Memory
  -> CSV
  -> GML
  -> KML
  -> PostgreSQL



On Dec 13, 2007 2:28 PM, Roger André <randre at gmail.com> wrote:

> Ahhh soooo...
>
> Yepp, these are definitely version 8 files.  I don't think I can give you
> one of the files I'm getting the error with, but I'll see if I can get a
> dummy one made with the same tools for you to test with.
>
> Thanks,
>
> Roger
> --
>
>
> On Dec 13, 2007 11:08 AM, Frank Warmerdam <warmerdam at pobox.com> wrote:
>
> > Roger André wrote:
> > > I'm having trouble reading .dgn files using the ogr utilities and
> > can't
> > > figure out what I'm doing wrong.  I've tried to read the data a number
> >
> > > of different ways:
> > >
> > > ogrinfo ./ D3460_PFA_RDNew.dgn
> > > ogrinfo ./ D3460_PFA_RDNew
> > > ogrinfo -all ./ D3460_PFA_RDNew.dgn
> > > ogrinfo -all ./ D3460_PFA_RDNew.dgn elements
> > > ogrinfo ./ D3460_PFA_RDNew.dgn elements
> > > ogrinfo -summary ./D3460_PFA_RDNew.dgn elements
> > > ogr2ogr -f "ESRI Shapefile" test.shp ./D3460_PFA_RDNew.dgn
> > > ogr2ogr -f "ESRI Shapefile" test.shp ./D3460_PFA_RDNew.dgn elements
> > >
> > > The .dgn format is new to me, so if anyone could give me advice on how
> > > best to work with it using the GDAL libs, I'd very much appreciate it.
> >
> > Roger,
> >
> > My first guess would be that these are v8 or newer dgn files.  OGR only
> > supports the older v7 and earlier format.  What error message are you
> > getting?  Can you make one of the dgn files available for review?
> >
> > I'd like to have OGR report a meaningful error for new files if that
> > is the problem.
> >
> > Best regards,
> > --
> >
> > ---------------------------------------+--------------------------------------
> > I set the clouds in motion - turn up   | Frank Warmerdam,
> > warmerdam at pobox.com
> > light and sound - activate the windows | http://pobox.com/~warmerdam<http://pobox.com/%7Ewarmerdam>
> > and watch the world go round - Rush    | President OSGeo,
> > http://osgeo.org
> >
> >
>
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