The circle and arc render extensions provide a quick way to draw filled or outlined circles and ellipses in addition to arc segments. Thedemonstrates how the properties of this render extension can be configured.
The circle render extension uses many standard options but also includes:
This is the style of the circle or arc and can be filled or stroked. If it is stroked then the line width option can be set to determine the arc fill size
Color to use to stroke or fill the circle or arc.
This option is available only for arcs and determines the start and end angle in degrees that the arc should sweep through.