Fade selected structure(s):
Screen controls: Click on the "Fade" button.
Keyboard: Press the V key to toggle selected structure(s) from showing to faded and back again.
Hide selected structure(s):
Screen controls: Click on the "Hide" button. You can click on the "Show" button to return the structure to the view as long as it is still selected.
Keyboard: Press the H key to toggle selected structure(s) from showing to hidden and back again.
Hide all unselected structures:
Screen controls: Click on the "Hide others" button in the Actions menu with the desired structure(s) selected to make all other structures hidden.
Keyboard: Press the O key with the desired structure(s) selected to make all other structures hidden.
Fade all unselected structures: Click on the "Fade Others" button in the Actions menu with the desired structure(s) selected to make all other structures faded (transparent). If no structure is selected, the "Fade Others" button makes all of the structures on screen transparent.
Show all structures: Show all faded or hidden structures in the original View (along with any others you may have added to it) by clicking the "Show All" button in the Actions menu.