The AutoLisp Intermediate Tutorial

Entity DXF Group Code Table

Entity Types:  (Group Code 0)

LN = Line      CI = Circle        AR = Arc            TR = Trace            SD = Solid          TX = Text     3DF = 3DFace      AD = AttDef

PT = Point     PL = PolyLine   VT = Vertex      DM = Dimension    AT = Attribute     IN = Insert    SQ = Seqend

                       |---------------------      Entity Type   (Group Code 0)     -----------------------|

CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
-1 Entity Name (Primary) -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
-2 Entity Name (Secondary) -2
1 Primary Text Value 1 1 1 1
2 Name: Shape, Block, Tag 2 2 2 2 2
3 Prompt String 3
5 Handle (Hexadecimal String) 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
6 LineType Name 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
7 Text Style Name 7 7 7
8 Layer Name 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
10 X of Start or Insert Point 10 10 10 10 10 10 10 10
X of Center Point 10 10
X of Corner Point 10 10 10
X of Definition Point 10
X of Elev. Point (2D Poly) 10
11 X of End or Insertion Point 11
X of Corner Point 11 11 11
X of Alignment Point 11 11 11
X of Middle Point of Dimension 11
12 X of Corner Point 12 12 12
X of Insertion Point 12
13 X of Corner Point 13 13 13
X of Definition Point 13
14 X of Definition Point 14
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
15 X of Definition Point 15
16 X of Definition Point 16
20 Y of Start or Insertion Point 20 20 20 20 20 20 20 20
Y of Center Point 20 20
Y of Corner Point 20 20 20
Y of Definition Point 20
Y of Elev. Point (2D Poly) 20
21 Y of End or Insert Point 21
Y of Corner Point 21 21 21
Y of Alignment Point 21 21 21
Y of Middle Point of Dimension 21
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
22 Y of Corner Point 22 22 22
Y of Insert Point 22
23 Y of Corner Point 23 23 23
Y of Definition Point 23
24 Y of Definition Point 24
25 Y of Definition Point 25
26 Y of Definition Point 26
30 Z of Start or Insert Point 30 30 30 30 30 30 30 30
Z of Center Point 30 30
Z of Corner Point 30 30 30
Z of Definition Point 30
Z of Elevation Point (2D Poly) 30
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
31 Z of End Point 31
Z of Corner Point 31 31 31
Z of Alignment Point 31 31 31
Z of Middle Point of Dimension 31
32 Z of Corner Point 32 32 32
Z of Insert Point 32
33 Z of Corner Point 33 33 33
Z of Definition Point 33
34 Z of Definition Point 34
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
35 Z of Definition Point 35
36 Z of Definition Point 36
38 Entity Elevation 38 38 38 38 38 38 38 38 38 38 38 38 38 38
39 Entity Thickness 39 39 39 39 39 39 39 39 39 39 39 39 39 39
40 Radius 40 40
Height, Size, or Width 40 40 40 40 40
Leader Length 40
41 X Scale Factor or Width 41 41 41 41 41 41
42 Y Scale Factor or Bulge 42 42
43 Z Scale Factor 43
44 Column Spacing 44
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
45 Row Spacing 45
50 Rotation Angle 50 50 50 50 50 50 50
Start Angle 50
Curve Fit Tangent 50
51 End Angle 51
Obliquing Angle 51 51 51 51
Angle from Horizontal 51
62 Color 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62
66 Entities Follow Flag 66 66
70 Dimension Type 70
Vertex or Polyline Flag 70 70
Attribute Flag 70 70
Column Count 70
Invisible Edges Flag 70
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ
71 Text Generation Flag 71 71 71
Row Count 71
Mesh M Vertex Count 71
72 Text Justification 72 72 72
Mesh N Vertex Count 72
73 Field Length 73 73
Smooth Surface M Density 73
74 Smooth Surface N Denstiy 74
75 Smooth Surface Type 75
210 X of Extrusion Point 210 210 210 210 210 210 210 210 210 210 210 210 210
220 Y of Extrusion Point 210 210 210 210 210 210 210 210 210 210 210 210 210
230 Z of Extrusion Point 210 210 210 210 210 210 210 210 210 210 210 210 210
CODE

                             DESCRIPTION              

LN PT CI AR TR SD TX SH IN AD AT PL VT DM 3DF SQ

The idea for this table was from the book "Inside AutoLisp - Using AutoLisp to Customize AutoCAD" by Joseph Smith and Rusty Gesner.

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