Common Group Codes for Entities. For information about abbreviations and formatting used in this table, see Formatting Conventions in This Reference.
The following group codes apply to underlays. In addition to the group codes described here, seeUnderlay group codes |
|
---|---|
Group code |
Description |
100 |
Subclass marker (AcDbUnderlayReference) |
340 |
The ID of the AcDbUnderlayDefinition object |
10,20,30 |
The X,Y, and Z coordinates of the insertion point of the underlay. These are OCS/ECS coordinates |
41,42,43 |
DXF: X, Y, and Z scale factors |
50 |
Rotation Angle (in OCS/ECS. CCW from the coordinate system X axis and around the Z axis) |
210,220,230 |
Normal vector (in WCS) |
280 |
Flags 1 = Clipping is on 2 = Underlay is on 4 = Monochrome 8 = Adjust for background |
281 |
Contrast (value between 20 and 100) |
282 |
Fade (value between 0 and 80) |
11, 21 |
Repeating: 2d points in OCS/ECS. If only two, then they are the lower left and upper right corner points of a clip rectangle. If more than two, then they are the vertices of a clipping polygon |