5.4.4.1 Polylines Plotting

• xsegs : draws a set of unconnected segments
• xrect : draws a single rectangle
• xfrect : fills a single rectangle
• xrects : fills or draws a set of rectangles
• xpoly : draws a polyline
• xpolys : draws a set of polylines
• xfpoly : fills a polygon
• xfpolys : fills a set of polygons
• xarrows : draws a set of unconnected arrows
• xfrect : fills a single rectangle
• xclea : erases a rectangle on a graphic window