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LEADTOOLS
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DGN (also RDL) is a file format common to Intergraph's MicroStation and Interactive Graphics Design System (IGDS) CAD applications running on Intergraph workstations and PCs.
This file format is not supported in the Imaging Pro toolkits. Read and write support for this format is provided in the Document and Medical Imaging toolkits.
LEADTOOLS supports DGN versions 1, 2 and 3.
LEADTOOLS supports loading this format as a raster image, vector image, or SVG (Scalable Vector Graphics) document.
The file constants associated with this file format are:
| Constant | Read Support | Write Support | Description |
| IntergraphVector | Yes | Yes | Intergraph MicroStation and Interactive Graphics Design (DGN). |
When DGN files are rasterized, they are 24 BPP.
The following table indicates which objects LEAD can load and which objects it can save:
| Object: | Load: | Save: |
| Arc | Supported | Not Supported. Saved as polyline. |
| Ellipse | Supported | Not Supported. Saved as polyline. |
| Lines | Supported | Not Supported. Saved as polyline. |
| Polygons | Supported | Supported |
| Polyline | Supported | Supported |
| Raster | Supported | Supported |
| Text | Supported | Not Supported. |
| Elliptical Arc | Supported | Not Supported. Saved as polyline. |
| Circle | Supported | Not Supported. Saved as ellipse. |
Required DLL: Leadtools.Vector.dll and Leadtools.Codecs.Dgn.dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .
Related Formats: CGM - Computer Graphics Metafile, CMX - Corel Presentation Exchange Format, DRW - Micrografx Designer DRaWing, DWF - DWF Format, DWG - DWG Format, DXF - Drawing Interchange Format, EMF - Windows Metafile Formats, GBR - Gerber Format, PCL - Printer Command Language Format, PCT - Macintosh Pict Format, PDF - Portable Document Format, PLT - PLT / HPGL Format, PS - PostScript Document Format, RTF - Rich Text Format, SHP - ESRI Shape Format, SVG - Scalable Vector Graphics Format, WPG - WordPerfect Vector Format, WMF - Windows Metafile Formats, WMZ - Compressed Windows Metafile Format, NAP - North American Presentation Layer Protocol Syntax (NAPLPS), E00 - ArcInfo Interchange File Format, MIF - MapInfo Interchange File Format.
Platforms: .NET 2/3, .NET 4