//ELLIPSE, left, top, right, bottom, {fill}
ELLIPSE draws an ellipse within a specified bounding rectangle.
Parameters
left, top, right, bottom
Coordinates of the bounding rectangle, in the current mapping units, within which the ellipse is drawn. Note that if these coordinates describe the special case of a square, then the resulting ellipse will actually be a circle.
fill
If specified, causes the ellipse interior to be filled with various shades of gray or colors. See the table of fill values under RECTANGLE for details.
