After performing Summary Calculate, if you do not want the calculation result to change with modifications, you can lock the entities. If locked, the quantities of the entities will not change when performing Summary Calculate again. The Lock function includes Lock and Batch Lock.

Lock

Click Lock, select the entity that you want to lock, and then right-click to confirm.

Batch Lock

Click Batch Lock, select the scope that you want to lock, and then right-click to confirm.

Note

The locked entities are shown with axis grids in 2D view.

Unlock

For locked entities, if you need to modify them, you can unlock them first, and then perform Summary Calculate. The Unlock function includes Unlock and Batch Unlock.

Click Unlock, select the entity that you want to unlock, and then right-click to confirm.
Batch Unlock
Click Batch Unlock, select the scope that you want to unlock, and then right-click to confirm.

Note
The unlocked entities are shown with solid in 2D view.

Download Lock and Unlock