input geometriesyr16 labeloffset:=labeloffset*2; figure(-0.5u,0,12.5u,u); trace grille(0.25) withcolor blanc; trace segment(pp(0,1),pp(48,1)) withpen pencircle scaled1.5bp; for k=0 step 8 until 44: trace marquesegment(pp(k,1),pp(k+4,1)); endfor; trace marquedemidroite(pp(48,1),pp(0,1)); label.top(btex $-6$ etex,pp(0,1)); label.top(btex $6$ etex,pp(48,1)); label.top(btex 0 etex,pp(24,1)); fin; figure(-0.5u,0,12.5u,u); trace grille(0.25) withcolor blanc; trace segment(pp(0,1),pp(48,1)) withpen pencircle scaled1.5bp; for k=0 step 8 until 44: trace marquesegment(pp(k,1),pp(k+4,1)); endfor; label.top(btex A etex,pp(16,1)); label.top(btex $-6$ etex,pp(0,1)); label.top(btex $6$ etex,pp(48,1)); label.top(btex 0 etex,pp(24,1)); trace marquedemidroite(pp(48,1),pp(0,1)); fin; end