Updated on 12/24/2019
DoubleCAD User Manual Publication
DoubleCAD User Manual : Join Polyline
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Connects two or more separate objects, connected at their endpoints, into a single-object polyline. Objects that overlap cannot be joined.

Note: If you want to create a polyline from a partial chain of segments, or if you have overlapping objects, see Chain Polyline.

  1. Select the first object you wish to include in the polyline. Selection order is not important.

  2. One by one, select the remaining objects to include.

  3. Select Finish from the local menu or Inspector Bar.

The objects now comprise one object, as you can see in Select mode.

You can also first select the objects, then activate Join Polyline and immediately select Finish.
Local menu options: 
Delete Original Objects: Removes the original segments, leaving only the polyline.

Auto joining: Automatically selects all objects connected to the selected object. This option must be active before selecting any segments. You can select any object in the chain, not only the first or last object. If more than one segment branches from an endpoint, the chain will stop.

3D Polyline: Enables you to include objects located on different workplanes.