13. OPTIMIZATION

CHAPTER 13 'OPTIMISATION' 17 or by selecting compared cross-sections by holding down the Ctrl key. Finally, the following commands apply to all modules and apply to all sections: • The "Delete All" command deletes all groups that have already been entered. • The "Delete" command deletes the specific group you have selected. • The "Initialize" command restores the limits to their original values as specified in the General Parameters. • Finally, the "Show" command displays the selected items in red. Finally, it is worth noting that by using the "Pick-Select" command, if you select a different item type from the one in the section you are in, the application will automatically go to the corresponding item type. 1.3.2 Members The next command to define a group or groups of members in order to set restrictions at the level and individual member level. By selecting the " Members " button the following dialog box appears where you can create groups of elements for which you want to impose specific design limits or lock dimensions. The structure of the dialog box is the same as that of the cross-sections, i.e. divided into sections according to the type of element.