|   | Edit Offset Lets you modify the offset between selected  reference planes. | 
            |  | Flip Orientation Lets you flip the orientation of selected reference planes. | 
|  | Align Orientation Lets you align the orientation of selected reference planes with the orientation of reference plane system. | 
|  | Edit Category Lets you modify the category for selected reference planes. | 
|  | Set as CenterLine Lets you set a selected reference plane as CenterLine. | 
|  | Set as MidShip Lets you set a selected reference plane as Midship. | 
|  | Remove Category Lets you remove the applied category for selected reference planes. | 
|  | Insert/Delete planes in between Lets you insert or delete specific reference planes between  two reference planes. | 
|  | Delete planes Lets you delete selected reference planes. | 
              |  | Edit GridSet Lets you modify  the prefix and orientation for the selected direction of the reference plane system. |