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JOIN (Command)
Joins the endpoints of linear and curved objects to create a single object.
Combines a series of finite linear and open curved objects at their common endpoints
to create a single 2D or 3D object. The type of object that results depends on the
types of objects selected, the type of object selected first, and whether the objects
are coplanar.
The following prompts are displayed.
- Select source object or multiple objects to join at once:
-
Select lines, polylines, 3D polylines, arcs, elliptical arcs, helixes, or splines.
Source object
Specifies a single source object to which you can join other objects. Press Enter
after selecting the source object to begin selecting the objects to join. The following
rules apply for each type of source object:
- Line
-
Only line objects can be joined to the source line. The line objects must all be collinear,
but can have gaps between them. - Polyline
-
Lines, polylines, and arcs can be joined to the source polyline. All objects must
be contiguous and coplanar. The resulting object is a single polyline. - 3D Polyline
-
Any linear or curved object can be joined to the source 3D polyline. All the objects
must be contiguous, but can be noncoplanar. The resulting object is either a single
3D polyline or a single spline, depending on whether you are joining to a linear or
a curved object respectively. - Arc
-
Only arcs can be joined to the source arc. All the arc objects must have the same
radius and center point, but can have gaps between them. The arcs are joined in a
counterclockwise direction starting from the source arc.The Close option converts the source arc into a circle.
- Elliptical Arc
-
Only elliptical arcs can be joined to the source elliptical arc. The elliptical arcs
must be coplanar and have the same major and minor axes, but can have gaps between
them. The elliptical arcs are joined counterclockwise starting from the source elliptical
arc.The Close option converts the source elliptical arc into an ellipse.
- Helix
-
Any linear or curved object can be joined to the source helix. All objects must be
contiguous, but can be noncoplanar. The resulting object is a single spline. - Spline
-
Any linear or curved object can be joined to the source spline. All objects must be
contiguous, but can be noncoplanar. The resulting object is a single spline.
Multiple objects to join at once
Joins multiple objects without specifying a source object. The rules and resulting
object types are as follows:
- A line object results from joining collinear lines. The lines can have gaps between
their endpoints. - An arc or circle object results from joining coplanar arcs with the same center point
and radius. The arcs can have gaps between their endpoints. Lengthening occurs in
a counterclockwise direction. A circle object results if the joined arcs form a complete
circle. - A spline object results from joining splines, elliptical arcs, or helixes together,
or to other objects. The objects can be noncoplanar. - A polyline object results from joining coplanar lines, arcs, polylines, or 3D polylines.
- A 3D polyline results from joining noncoplanar objects other than curved objects.
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