Use hatch patterns, a solid fills, or gradient fills to cover an area. Use wipeout objects to blank out areas.
Define boundaries for hatches and fills from existing objects or from specified boundary points.
Specify a hatch pattern or fill, and control its alignment and scale.
Modify hatch properties and boundaries, or re-create the boundaries hatch objects.
Create a polygonal area, called a wipeout to mask underlying objects with the current background color.
Overview of Hatch Pattern Definitions in the Customization Guide
