Le lundi 23 novembre 2015 16:48:48, Andre Vautour a écrit : > Right, thanks, I wasn't thinking of that when I wrote my reply. > > Guess it makes sense for a closed format such as DWG. Might not make as > much sense to use it for DGN which is more open
DGN v8: open ? If you have pointers to a spec, I think that would be much appreciated by a lot of people... > and does not need to be > reverse engineered. > André > > On 2015-11-23 11:41, Ivan Lucena wrote: > > Just a comment on that: In order to build the DWG driver, you or your > > company, need to be part of some kind of alliance to be able to download > > a full version of the Teigha SDK. AFAIK > > > > ________________________________________ > > From: gdal-dev <gdal-dev-boun...@lists.osgeo.org> on behalf of Andre > > Vautour <andre.vaut...@caris.com> Sent: Monday, November 23, 2015 9:58 > > AM > > To: Brad Hards > > Cc: gdal-dev@lists.osgeo.org > > Subject: Re: [gdal-dev] unable to open DGN > > > > On 2015-11-20 17:40, Brad Hards wrote: > >> On Fri, 20 Nov 2015 02:20:55 PM Martin Landa wrote: > >>> I am trying to open sample DGN file, but it fails. I guess that the > >>> reason is unsupported version (man pages says: Microstation DGN files > >>> from Microstation versions predating version 8.0 are supported for > >>> reading.) > >> > >> As I understand it, version 8 is completely different. > >> > >>> Is there any possibility how to read this file using GDAL library? > >> > >> AFAICT, not unless you figure out version 8 format and implement it, or > >> pay someone to do that work for you. > > > > I just want to add that Teigha, which can currently be used to open DWG > > in GDAL, does support DGN version 8. So, if someone wants to add that > > support, I'd suggest looking at the DWG driver. > > > > The DWG driver has: > > class OGRDWGServices : public ExSystemServices, public ExHostAppServices > > > > You'd need to have something like: > > class OGRDGNServices : public OdRxSystemServices, public > > OdDgHostAppServices > > > > I would not be surprised if considerable chunks of the DWG driver could > > be generalized to work for both DWG and DGN, > > André > > > >> Is it possibly to get the originator to > >> > >> provide it in some other format (e.g. DXF, noting that will lose the > >> georeferencing)? > >> > >> Brad > >> _______________________________________________ > >> gdal-dev mailing list > >> gdal-dev@lists.osgeo.org > >> http://lists.osgeo.org/mailman/listinfo/gdal-dev > > > > _______________________________________________ > > gdal-dev mailing list > > gdal-dev@lists.osgeo.org > > http://lists.osgeo.org/mailman/listinfo/gdal-dev > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev
