The Integer Mask is used with Render ID , and Object ID, and Material ID Render Elements.
+/- Pick – Adds/removes items by picking them from the Render View. When activated and the mouse is inside the Render View, a red square indicates where the value is exactly picked.
Value – Shows the mask ID on hover over the rendered frame. If you click on a selection in the Render View, the current ID is added/removed from the list below, depending on the Pick mode.
New item – A field to type a mask ID manually and then add it to the current selection with the + button.
+ – Adds IDs to the list.
- – Removes IDs from the list.
UI Text Box
type
tip
Each item in the list has a color icon. The color corresponds to the one saved in the respective render element.
Separate items in the list can be changed by double-clicking on them and editing their names.