Lock to GeomCir

Lock the cursor to the circumference of a geometry circle.

This function allows you to lock the cursor onto an indicated geometry circle. The cursor is locked to the circumference of the geometry circle.

Procedure

To lock the cursor onto an indicated geometry circle:

1. Select Tools ► Lock Cursor ► Lock to GeomCir. Alternatively, press [K] and select the Lock to GeomCircle option; or press [K]+[C].

2. You are prompted to:

Select geometry circle to lock onto

3. Position the cursor near the geometry circle entity you would like to lock to, and then press [Enter] or click to indicate the geometry circle.

4. LOCK ARC appears in the Status Bar.

If the cursor lock is indicated in black text, it is not active.

Press [+] on the numeric keypad to activate the lock. The cursor lock is indicated in red text when the lock is active.

A red diamond is indicated on the screen when the cursor is locked. The diamond will only move in the geometry circles circumference whilst the cursor is free to move anywhere.

5. You can now select the line function and press [Enter] over the required start point.

6. Press [+] on the numeric keypad to activate the lock. The line will now be drawn from the indicated point on the circumference and will rubberband to a point on the circumference as the cursor is moved .

7. Press [Enter] or click to set the line in place. Alternatively, press [+] on the numeric keypad to deactivate the cursor lock and draw the end point away from the circle. The locked cursor can also be unlocked by pressing [Ctrl+U] or [K]+[U]; or selecting Tools ► Lock Cursor ► Unlock.