To add labels to a grid, Hans wrote a macro hlintext (Min, Max, Step, Lenght
, Format). I do not know what to put in "Format".
Best regards,
Fabrice
\definecolor[mycolor][c=.4,m=0,y=0,k=0]
\starttext
\start
\switchtobodyfont[small]
\startMPcode
input tex;
numeric xmin, xmax, ymin, ymax;
xmin := 0; xmax := 22; ymax :=460 ;ymin:=0; u := 0.5cm; v:= 0.025cm;
drawoptions(withpen pencircle scaled 0.5pt withcolor
\MPcolor{mycolor});
draw hlingrid(ymin,ymax,20,11.5cm,11cm);
draw vlingrid(xmin,xmax,2,11cm,11.5cm);
drawoptions(withpen pencircle scaled 1pt) ;
drawarrow (0,0)--(22,0) scaled u ;
drawarrow (0,0)--(0,460) scaled v ;
for i=0 step 2 until 20 :
label.bot(TEX("$"&decimal(i)&"$"),(i,0)*u);
endfor;
for i=0 step 20 until 440:
label.lft(TEX("$"&decimal(i)&"$"),(0,i)*v);
endfor;
label.bot( "$x$",(10.8cm,-0.1cm)) ;
label.rt( "$y$",(0.1cm,11.3cm)) ;
\stopMPcode
\stop
\stoptext