[GRASS-user] How can i open vector files having dgn format

[Frank Warmerdam]

Maciej Sieczka wrote:
> Maciej Sieczka wrote:
>> Nitin wrote:
>>> hello pawan, OGR is not capable of finding geo refrence information
>>> about DGN files.
> 
>> True [1]. However, you could use v.transform to georeference your GRASS
>> vector created by loading DGN into GRASS.
> 
> Thinking and reading more it seems I might be wrong in part. I assumed
> OGR's DGN driver would ignore the georeferencing completely. It might
> be that it does not; it might only ignore the projection metadata,
> while it would recognize the coordinates of DGN vector features
> properly. If the latter would be the case, v.transform after v.in.ogr
> should be not necesary. Please somebody who knows speak up.

Maciej,

The OGR DGN driver generally does not know the coordinate system of the
vectors, but it will generally return the vectors in georeferenced
coordinates.

Best regards,
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