SPATIAL_INDEX

The following group codes are used by SPATIAL_INDEX objects. In addition to the group codes described here, see Common Group Codes for Objects. For information about abbreviations and formatting used in this table, see Formatting Conventions in This Reference.

SPATIAL_INDEX group codes
Group code	Description
0	Object name (SPATIAL_INDEX)
5	Handle
102	Start of persistent reactors group; always “{ACAD_REACTORS”
330	Soft-pointer ID/handle to owner dictionary
102	End of persistent reactors group, always “}”
100	Subclass marker (AcDbIndex)
40	Timestamp (Julian date)
100	Subclass marker (AcDbSpatialIndex)

The SPATIAL_INDEX is always written out empty to a DXF file. This object can be ignored.