DXF Group Codes
TABLES Section
VPORT

The following group codes apply to VPORT symbol table entries.

VPORT group codes
Group codes Description

100

Subclass marker (AcDbViewportTableRecord)

2

Viewport name

70

Standard flag values (See "Common Group Codes for Symbol Table Entries.")

10

Lower-left corner of viewport.
DXF: X value; APP: 2D point

20

DXF: Y value of lower-left corner of viewport

11

Upper-right corner of viewport
DXF: X value; APP: 2D point

21

DXF: Y value of upper-right corner of viewport

12

View center point (in DCS). DXF: X value; APP: 2D point

22

DXF: Y value of view center point (in DCS)

13

Snap base point. DXF: X value; APP: 2D point

23

DXF: Y value of snap base point

14

Snap spacing X and Y. DXF: X value; APP: 2D point

24

DXF: Y value of snap spacing X and Y

15

Grid spacing X and Y. DXF: X value; APP: 2D point

25

DXF: Y value of grid spacing X and Y

16

View direction from target point (in WCS)
DXF: X value; APP: 3D point

26, 36

DXF: Y and Z values of view direction from target point
(in WCS)

17

View target point (in WCS). DXF: X value; APP: 3D point

27, 37

DXF: Y and Z values of view target point (in WCS)

40

View height

41

Viewport aspect ratio

42

Lens length

43

Front clipping plane (offset from target point)

44

Back clipping plane (offset from target point)

50

Snap rotation angle

51

View twist angle

68

APP: Status field (never saved in DXF)

69

APP: ID (never saved in DXF)

71

View mode (see VIEWMODE system variable)

72

Circle zoom percent

73

Fast zoom setting

74

UCSICON setting

75

Snap on/off

76

Grid on/off

77

Snap style

78

Snap isopair

The VPORT table is unique: it may contain several entries with the same name (indicating a multiple-viewport configuration). The entries corresponding to the active viewport configuration all have the name *ACTIVE. The first such entry describes the current viewport.