To Display: Select a wipe shape in the FX Viewer or in the explorer and press Enter.
In vector paint layers, the FX Viewer Paint menu's Draw > Clear Image command deletes all shapes in the layer and creates a wipe shape. By default, the layer is wiped to black, but you can edit the wipe shape's properties to change the color and other properties.
The paint mask is a matte or grayscale image that defines which areas of an image are paintable, and which areas aren't (sort of like an obey matte for painting). You can set any operator as the paint mask from the operator's contextual menu.
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