Function Description

The Auto-close Lines command is used to automatically close objects when drawing polylines, curves, polyline segments, and free curves.

A drawn line object must have at least 3 nodes. Therefore, polylines, elliptical arcs, three-point arcs, Cardinal curves, Bezier curves, B-spline curves, etc., support the auto-close lines object feature, while straight lines do not support the auto-close function.

Function Entry

• Edit Data tab -> Edit the settings group -> Drawing Settings drop-down menu -> Auto-close Lines Object.

Operation Instructions

1. In the Edit Data tab, in the Edit the settings group, click the Drawing Settings drop-down button, and select the Auto-close Lines option from the drop-down menu; or use the Shift+C shortcut key to enable the auto-close lines object function. To cancel the auto-close lines object function, click the option again.
2. During the line drawing feature process, right-click to end the drawing action, and the currently drawn line will be automatically closed, i.e., the first node and the last node of the auto-close lines object are connected to form a closed object.