3DOSMODE system variable

Function Description:

The 3DOSMODE system variable is used to control 3D object snap settings.

Type : Integer
Saved in : Registry
Initial value : 11
Range : 0 ~ 256

System Variable Value:

1: all 3D object snaps are disabled. Shortcut key: ZNON
2 : snap a vertex or a control point. Shortcut key: ZVER
4 : snap a middle point on a face edge. Shortcut key: ZMID
8 : snap the center point on a face. Shortcut key: ZCEN
16 : snap a knot of a spline or surface. Shortcut key: ZKNO
32  snap a vertical face(planar faces only). Shortcut key: ZPER
64 : snap an object nearest to a face. Shortcut key: ZNEA
128 : snap the nearest point on planar segment of point cloud. Shortcut key: PNOD
256 : all 3D object snaps are disabled. Shortcut key: PNEA

Note: This system variable could control which 3D object snap enabled. The setting is stored as a bitcode using the sum of listed system variable values. Users could specify more than one object snap by entering the sum of their values. Taking 6 for example, it means to specify the vertex and middle point object snaps.