input geoana.mp;
%============================================================================
verbatimtex 
%&latex 
\documentclass{article} 
\usepackage{palatino} 
\newcommand{\vect}[1]{\overrightarrow{#1}}
\newcommand{\Vect}[1]{\overrightarrow{\strut #1}}
\begin{document} 
etex 

beginfig(1);
repere(0,0,0,10,-1,4,1.5cm,1cm);
%quad_x(1);
%quad_y(1);
%r_axes;
%r_origine;
%r_unites;
draw r_droitedir(0,0,0);
dotlabel.bot(btex $xmin=1$ etex, r_point(1,0));
dotlabel.bot(btex $Q_{1}=3$ etex, r_point(3,0));
dotlabel.bot(btex $M_{x}=4$ etex, r_point(4,0));
dotlabel.bot(btex $5$ etex, r_point(5,0));
dotlabel.bot(btex $Q_{3}=6$ etex, r_point(6,0));
dotlabel.bot(btex $7$ etex, r_point(7,0));
dotlabel.bot(btex $xmax=9$ etex, r_point(9,0));
draw r_point(1,2)--r_point(3,2);
draw r_point(6,2)--r_point(9,2);

draw r_point(3,1.5)--r_point(3,2.5);
draw r_point(4,1.5)--r_point(4,2.5);
draw r_point(6,1.5)--r_point(6,2.5);

draw r_point(3,1.5)--r_point(6,1.5);
draw r_point(3,2.5)--r_point(6,2.5);

dotlabel.bot(btex $$ etex, r_point(1,2));
dotlabel.bot(btex $$ etex, r_point(9,2));

draw r_point(1,0)--r_point(1,2) dashed evenly;
draw r_point(3,0)--r_point(3,1.5) dashed evenly;
draw r_point(4,0)--r_point(4,1.5) dashed evenly;
draw r_point(6,0)--r_point(6,1.5) dashed evenly;
draw r_point(9,0)--r_point(9,2) dashed evenly;

%r_labelxy;
r_fin;
endfig;

end