Dashing is a two-dimensional graphics directive specifying that lines that follow are to be drawn dashed, with successive segments of lengths , , ... (repeated cyclically). The are given as a fraction of the total width of the graph.
The following symbolic forms for r can be used: Tiny, Small, Medium, and Large. These specify absolute segment lengths independent of the total width of the graphic. »
If a segment has a length specified as , it is drawn as a dot whose diameter is the thickness of the line. »