Wipeout objects cover existing objects with a blank area to make room for notes or to mask details.
A wipeout object is a polygonal area that masks underlying objects with the current background color. This area is bounded by the wipeout frame, which you can turn on for editing and turn off for plotting.
You can create a wipeout object by specifying a polygonal area with a series of points, or you can convert a closed polyline into a wipeout object.
If a polyline is used to create a wipeout object, the polyline must be closed, contain line segments only, and have zero width.
You can create wipeout objects on a layout in paper space to mask objects in model space; however, on the Plot Settings tab of the Plot dialog box, the Plot Paper Space Last option must be cleared before you plot to ensure that the wipeout object is plotted correctly.
Because a wipeout object is similar to a raster image, it has the same requirements for plotting: you need a raster-capable plotter with either an ADI 4.3 raster-capable driver or the system printer driver.