Introduction.

This is a collection of classes values that can appear in DXF CLASSES section.
This collection may not be complete, because it depends on the application being used by the CAD program that writes the DXF file

Table: Default class values.

DXF Record Name
Code 1
C++ Class Name
Code 2
Code
90
Code
280
Code
281
Version
introduction
ACDBDICTIONARYWDFLT AcDbDictionaryWithDefault 0 0 0 DXF R15/2000
ACDBPLACEHOLDER AcDbPlaceHolder 0 0 0 DXF R15/2000
ARCALIGNEDTEXT AcDbArcAlignedText 0 0 1 DXF R15/2000
DICTIONARYVAR AcDbDictionaryVar 0 0 0 DXF R13
HATCH AcDbHatch 0 0 1 DXF R13
IDBUFFER AcDbIdBuffer 0 0 0 DXF R13
IMAGE AcDbRasterImage 127 0 1 DXF R13
IMAGEDEF AcDbRasterImageDef 0 0 0 DXF R13
IMAGEDEF_REACTOR AcDbRasterImageDefReactor 1 0 0 DXF R13
LAYER_INDEX AcDbLayerIndex 0 0 0 DXF R13
LAYOUT AcDbLayout 0 0 0 DXF R15/2000
LWPOLYLINE AcDbPolyline 0 0 1 DXF R13
OBJECT_PTR CAseDLPNTableRecord 1 0 0 DXF R13
OLE2FRAME AcDbOle2Frame 0 0 1 DXF R13
PLOTSETTINGS AcDbPlotSettings 0 0 0 DXF R15/2000
RASTERVARIABLES AcDbRasterVariables 0 0 0 DXF R13
RTEXT RText 0 0 1 DXF R15/2000
SORTENTSTABLE AcDbSortentsTable 0 0 0 DXF R13
SPATIAL_INDEX AcDbSpatialIndex 0 0 0 DXF R13
SPATIAL_FILTER AcDbSpatialFilter 0 0 0 DXF R13
WIPEOUT AcDbWipeout 127 0 1 DXF R15/2000
WIPEOUTVARIABLES AcDbWipeoutVariables 0 0 0 DXF R15/2000