unitsize(1cm,0); // TYPE 1 par défaut. draw((0,1)--(5,0),BeginArrow); draw((0,.5)--(5,-.5),MidArrow); draw((0,0)--(5,-1),EndArrow); draw((0,-.5)--(5,-1.5),Arrow); draw((0,-1)--(5,-2),Arrows); draw((0,-1.5)--(5,-2.5),Arrow(Relative(.25))); DefaultHead=SimpleHead; // TYPE 2 draw((0,-3)--(5,-4),BeginArrow()); draw((0,-3.5)--(5,-4.5),MidArrow()); draw((0,-4)--(5,-5),EndArrow()); draw((0,-4.5)--(5,-5.5),Arrow()); draw((0,-5)--(5,-6),Arrows()); draw((0,-5.5)--(5,-6.5),Arrow(Relative(.75))); shipout(bbox(5mm,white));