DGN Elements Available for Import to .dwg Files

The following table lists objects that are:

• fully supported,
• mainly supported,
• not supported.

Unsupported graphic elements are imported via rendering, similar to OdDbEntity::explodeGeometry.

Support Level	DGN element	DWG entity	Import Method	Comment
Fully Supported	Annotation Cell 2D / 3D	OdDbBlockTableRecord, OdDbBlockReference	OdDgnImportPE	Used Cell Header PE.
	Detail Symbols 2D / 3D	OdDbBlockTableRecord, OdDbBlockReference	OdDgnImportPE	Used Cell Header PE.
	OdDgArc2d, OdDgArc3d	OdDbCircle, OdDbEllipse, OdDbArc	OdDgnImportPE
	OdDgBSplineCurve2d, OdDgBSplineCurve3d (non filled)	OdDbSpline	OdDgnImportPE
	OdDgCellHeader2D / OdDgCellHeader3D	OdDbBlockTableRecord, OdDbBlockReference	OdDgnImportPE
	OdDgConic2d, OdDgConic2d	OdDbPolyline	Explode
	OdDgEllipse2d, OdDgEllipse3d (non filled)	OdDbEllipse	OdDgnImportPE
	OdDgLevelTableRecord	OdDbLayerTableRecord	OdDgnImportPE
	OdDgLine2d, OdDgLine3d	OdDbLine	OdDgnImportPE
	OdDgLineString2d, OdDgLineString3d	OdDbPolyline	OdDgnImportPE
	OdDgLineStyleTableRecord	OdDbLinetypeTableRecord	OdDgnImportPE
	OdDgMeshQuadGrid	OdDbPolyFaceMesh	OdDgnImportPE
	OdDgMeshQuadList	OdDbPolyFaceMesh	OdDgnImportPE
	OdDgMeshTriangleGrid	OdDbPolyFaceMesh	OdDgnImportPE
	OdDgMeshTriangleList	OdDbPolyFaceMesh	OdDgnImportPE
	OdDgOle2Frame2D / OdDgOle2Frame3D	OdDbOle2Frame	OdDgnImportPE
	OdDgRasterAttachmentHeader	OdDbRaster	OdDgnImportPE
	OdDgSharedCellDefinition	OdDbBlockTableRecord	OdDgnImportPE
	OdDgSharedCellReference	OdDbBlockReference	OdDgnImportPE
	OdDgView	OdDbViewportTableRecord	OdDgnImportPE
Mainly Supported	Cross Pattern	OdDbHatch	OdDgnImportPE
	DWG Based Pattern	OdDbHatch	OdDgnImportPE
	Gradient Pattern	OdDbPolyline + OdDbHatch	OdDgnImportPE
	Grouped Hole 2D and 3D	OdDbBlockTableRecord + (OdDbBlockReference or OdDbHatch)	OdDgnImportPE	Used Cell Header PE. Bentley® MicroStation can convert to PolyfaceMesh or Regions.
	Linear Pattern	OdDbHatch	OdDgnImportPE
	OdDgBSplineCurve2d, OdDgBSplineCurve3d (closed and filled)	OdDbSpline + OdDbHatch	OdDgnImportPE	MicroStation optionally converts to Polyline, Region or Hatch.
	OdDgComplexShape  (filled)	OdDbPolyline + OdDbHatch	OdDgnImportPE	MicroStation optionally converts to Polyline, Region or Hatch.
	OdDgComplexShape (non filled)	OdDbRegion	OdDgnImportPE	MicroStation optionally converts to Polyline, PolyfaceMesh or Region.
	OdDgDimAngleSize, OdDgDimArcSize, OdDgDimAngleLocation, OdDgDimArcLocation, OdDgDimAngleLines, OdDgDimAngleAxisX, OdDgDimAngleAxisY	OdDb3PointAngularDimension or OdDbArcDimension	OdDgnImportPE	Associativity is not supported.
	OdDgDimCenter	OdDbBlockTableReference	OdDgnImportPE	Associativity is not supported.
	OdDgDimLabelLine	OdDbMText	OdDgnImportPE
	OdDgDimNote	OdDbMLeader	OdDgnImportPE	MicroStation creates OdDbLeader.
	OdDgDimNote	OdDbOrdinate	OdDgnImportPE	Associativity is not supported.
	OdDgDimRadius, OdDgDimRadiusExtended, OdDgDimDiameter, OdDgDimDiameterExtended, OdDgDimDiameterParallel, OdDgDimDiameterPerpendicular	OdDbDiametricDimension or OdDbRadialDimension or  OdDbRotatedDimension	OdDgnImportPE	Associativity is not supported.
	OdDgDimSizeArrow, OdDgDimSizeStroke, OdDgDimSingleLocation, OdDgDimStackedLocation, OdDgDimCustomLinear	OdDbRotatedDimension	OdDgnImportPE	Associativity is not supported.
	OdDgEllipse2d, OdDgEllipse3d (filled)	OdDbEllipse + OdDbHatch	OdDgnImportPE	MicroStation optionally converts to Face, Polyline, PolyfaceMesh or Region. Conversion to PolyfaceMesh is too slowly.
	OdDgShape2d, OdDgShape3d (non filled)	OdDbRegion or OdDbFace	OdDgnImportPE	MicroStation optionally converts to Solid, Polyline, PolyfaceMesh, Region or Hatch. Conversion to PolyfaceMesh is too slowly.
	OdDgShape2d, OdDgShape3d (filled)	OdDbPolyline + OdDbHatch	OdDgnImportPE	MicroStation optionally converts to Solid, Polyline, PolyfaceMesh, Region or Hatch. Conversion to PolyfaceMesh is too slowly.
	Symbol Pattern	OdDbBlockTableRecord + OdDbBlockReference	OdDgnImportPE	MicroStation optionally converts to Solid, Polyline, PolyfaceMesh, Region or Hatch. Conversion to PolyfaceMesh is too slowly.
NOT Supported	Element Template		Not Implemented
	Level Symbology Overrides
	Link Set		Not Implemented
	OdDgACS		Not Implemented	Sets UCS from current ACS.
	OdDgApplicationData		Not Implemented
	OdDgColorBook		Not Implemented
	OdDgDictionaryTableRecord		Not Implemented
	OdDgDimStyleTableRecord		Not Implemented
	OdDgFontTableRecord		Supports conversion from .rsc font to .shx
	OdDgLevelFilterTableRecord
	OdDgLevelMask		Not Required	Uses data from Level Tables.
	OdDgLightDistant, OdDgLightPoint, OdDgLightSpot, OdDgLightArea, OdDgLightOpenSky		Not Implemented
	OdDgMaterialTableRecord		Not Implemented
	OdDgMeshPointCloud		Not Required
	OdDgMultilineStyleTableRecord		Not Implemented
	OdDgNamedGroupHeader		Not Implemented	Converts to OdDbBlockTableRecord (optionally).
	OdDgRasterFrame		Not Required
	OdDgRasterHeader2d, OdDgRasterHeader3d		Not Implemented	MicroStation doesn't export embedded rasters.
	OdDgReferenceOrder		Not Required
	OdDgRegAppTableRecord		Not Implemented

See Also

DGN Import Parameters

Importing .dgn Files to .dwg Files

Working with Other File Formats