Share Email Facebook Twitter LinkedIn About Advanced DXF Issues (DXF) Several advanced concepts are related to DXF™ group codes. Related Reference About Database Objects (DXF)Persistent Inter-Object Reference Handles (DXF)Subclass Markers (DXF)About Extension Dictionary and Persistent Reactors (DXF)About Extended Data (DXF)Object Coordinate Systems (OCS) in DXFAbout Arbitrary Axis Algorithm (DXF)
