fill none last odd line point Picture on which the polygon will be superimposed. Resulting picture. only makes sense in line mode. none: draw complete perimetre of polygon last: omit last edge, so that it makes a "polygonal line" instead of a polygon odd: drawing only even-numbered edges means drawing a set of separate lines instead of a polygon. you should provide an even number of vertices in this case. fill: draw a filled polygon point: draw vertices only (as single pixels) line: draw lines (see option 'omit') of minimal width Vertices of the polygon. default is (0 2 #), the "zerogon", such that nothing will be drawn. Normally, you would use the "put" operator ; but the + and ^ can be interesting for color effects. (default: put) Color of the polygon. default is (1 #). oddeven winding multi