Projects / DGNLib


DGNLib is a small C/C++ library for reading and writing Microstation DGN files (also known as ISFF format). Microstation DGN files are CAD files similar to AutoCAD's DWG.

Operating Systems

Recent releases

  •  27 Mar 2006 18:47

    Release Notes: This release adds support for Bsplines, shared cell definitions, and text nodes. 3d solids and surfaces have been fixed.

    •  23 Mar 2004 19:19

      Release Notes: Various bugfixes for reading unusual elements, and especially for writing elements properly.

      •  20 Aug 2003 18:00

        Release Notes: This release adds support for reading 3D cone (23), 3D surface (18), and 3D solid (19) elements.

        •  15 May 2003 15:57

          Release Notes: This release includes 2D and 3D write support.

          •  13 Nov 2002 23:03

            Release Notes: This release implements 2D write support, fixes bugs (color tables, spatial queries, DGNFreeElement()for tags), adds support for ViewInfo from TCB, and associates IDs in attribute linkages.


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