%@AUTEUR:Guillaume Connan prologues:=2; input courbes; input geo; color vert_e, turquoise, orange, vert_fonce, rose, vert_mer, bleu_ciel, or, rouge_v,bleu_m,bleu,bleu_f; vert_e:=(0,0.790002,0.340007); turquoise:=(0.250999,0.878399,0.815699); orange:=(0.589999,0.269997,0.080004); vert_fonce:=(0,1.4*0.392193,0); rose:=(1.0, 0.752907, 0.796106); bleu_ciel:=(1.2*0.529405,1.2*0.807794,1);%.2*0.921598); or:=(1,0.843104,0); rouge_v:=(0.829997,0.099994,0.119999); bleu_m:=(0.7*0.529405,0.7*0.807794,0.7);%*0.921598); bleu_f:=(0.211762,0.3231176,0.3686392); bleu:=(0.529405,0.807794,1); beginfig(1); numeric u; u:=1cm; pair o,a,b,c,d; o=origin; a=(sqrt(3)*u,-u); b=a rotated 120; c=b rotated 120; d=a scaled -0.5; drawarrow o--a withcolor bleu_f withpen pencircle scaled 1.5bp; drawarrow o--b withcolor bleu_f withpen pencircle scaled 1.5bp; drawarrow o--c withcolor bleu_f withpen pencircle scaled 1.5bp; drawarrow o--d withcolor bleu_f withpen pencircle scaled 1.5bp; drawarrow d--b dashed evenly withcolor bleu_f withpen pencircle scaled 1.5bp; drawarrow d--a dashed evenly withcolor bleu_f withpen pencircle scaled 1.5bp; label.bot(btex $\Omega$ etex,o shifted(0,-0.1*u)); label.rt(btex $A$ etex,a); label.top(btex $B$ etex,b); label.lft(btex $C$ etex,c); label.lft(btex $D$ etex, d); label.bot(btex $\overrightarrow{u}$ etex, o shifted (1.5*u,-2.2*u)); label.rt(btex $\overrightarrow{v}$ etex, o shifted (u,-1.5*u)); vardef axes = drawarrow (ux*xmin,0)shifted (u,-2*u) -- (ux*xmax,0)shifted (u,-2*u); % axe des x drawarrow (0,uy*ymin)shifted (u,-2*u) -- (0,uy*ymax)shifted (u,-2*u) ; % axe des y label.lrt(btex $x$ etex,(xmax*ux,0)shifted (u,-2*u)); % label de l'axe des x label.urt(btex $y$ etex,(0,ymax*uy)shifted (u,-2*u)); % label de l'axe des y enddef; % Déclarations des constantes ux:=1cm; uy:=ux; xmin:=-4.5; xmax:=4.5; ymin:=-.5; ymax:=4.5; coefficient:=1; % coefficient d'échelle %Tracé des axes axes; label.llft(btex $0$ etex,(-.1*ux,-.15*uy)shifted (u,-2*u)); drawarrow o shifted (u,-2*u)--o shifted(2*u,-2*u) withpen pencircle scaled 1.5bp withcolor 0.2white; drawarrow o shifted (u,-2*u)--o shifted(u,-u) withpen pencircle scaled 1.5bp withcolor 0.2white; endfig; end