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Joins lines, lightweight and old-style 2D polylines, 3D polylines, arcs, elliptical arcs, polyarcs, splines, and helices at their common endpoints.
The entity that results from the join depends on the input entities; see Rules, below.
Accessing the Command
command bar: join
menu bar: Modify | Join
toolbar: Modify | Join
ribbon: Change | Modify | Break | Join
Quad cursor menu: Draw | Join
: Join
Prompts you in the command bar:
Select source entity or multiple entities to join at once: (Select one or more entities, or enter all to select all entities in the drawing)
Select entities to join: (Select more entities, or else press Enter to join the selected entities)
2 entities joined into 1 polyline, 1 entity discarded from the operation
Rules
(Collinear means the entities lie in the same imaginary line; coplanar means the entities lie in the same plane.)
Two 2D polylines are joined into a single
- 2D polyline - when they are coplanar.
- 3D polyline - when they are not coplanar and if they are composed only of straight segments
- Spline - when they are not coplanar and if at least one of the polylines has a bulged (arc) segment
A 2D polyline and a 3D polyline are joined into a single
- 2D polyline - when they are coplanar
- 3D polyline - when they are not coplanar and if the 2D polyline only has straight segments
- Spline - when they are not coplanar and if the 2D polyline has at least one arc segment
A line and a circular arc (or a polyline with arcs) are joined into a single
- 2D polyline - when they are coplanar
- Spline - when they are not coplanar
The following pairs of entities are joined into a spline
- Line and an elliptical arc
- Spline and another open entity, such as a elliptical arc or polyline
- Helix and another open entity, such as a line or arc
Even when there are gaps between these entities, the command joins them into a single entity:
-
Collinear lines - joined into a single line
-
Coplaner arcs (with same radii and center points) - joined into an arc or a circle
-
Coplaner elliptical arcs (with same major and minor axes) - joined into an elliptical arc or ellipse,
Circular and elliptical arcs are joined in a counterclockwise direction starting from the source arc.
To join (close) an arc, use the Circle command's turn Arc into circle option.
Command Options
|
Options |
Description |
| Select source entity or multiple entities to join at once | Specifies the entities to be joined; you may enter all to select all entities in the drawing, and the program will filter out invalid ones. |
| Select entities to join | Select more entities, or else press Enter to finish the command and start the joining. |
Procedures
Related Commands
Break - breaks entities.
Explode - reduces complex entities to simpler ones, such as blocks into constituent parts, and polylines into lines and arcs.
Overkill - deletes duplicate entities and overlapping lines, arcs or polylines and unifies partly overlapping or contiguous ones.
PEdit - joins entities into a polyline.
