The
command lets you see the layer mask better by turning the image invisible. When you click on the menu entry, a check is displayed next to it and the layer mask's thumbnail in the Layers Dialog is shown with a green border. The layer itself is not modified; you can turn it visible again later.You can access this command from the image menubar through
→ → ,or by holding down the Alt key (Ctrl-Alt on some systems) and single-clicking on the layer mask's thumbnail in the Layers Dialog.
You can undo this action by unchecking the menu entry in the Alt-clicking (or Ctrl-Alt-clicking) again on the layer mask's thumbnail.
submenu or by