prologues := 3;
outputformat := "svg";
defaultfont := "cmr10";
defaultscale := 1.1;
color Blue,Teal,Orange,Green,Grey,Light,Wash;
Blue := (0,84/255,159/255); Teal := (0,177/255,183/255);
Orange := (246/255,168/255,0); Green := (87/255,171/255,39/255);
Grey := (100/255,101/255,103/255); Light := (236/255,236/255,237/255);
Wash := (232/255,241/255,250/255);
% Format displayed numbers to hundredths using integer strings.
vardef numlabel(expr value)=
 save n,whole,frac; numeric n,whole,frac;
 n:=round(100abs value); whole:=floor(n/100); frac:=n mod 100;
 (if value<-.005: "-" & fi decimal whole
  if frac>0: & "." & if frac<10: "0" & fi decimal frac fi)
enddef;
pickup pencircle scaled .9;
outputtemplate := "MPT-17-001.svg";
beginfig(1);
fill unitsquare xscaled 320 yscaled 220 withcolor white;
% BEGIN DRAWING
path disc;
picture hatch;
numeric spacing;
pair c;
for k=0 upto 2:
  c:=(60+100k,116);
  disc:=fullcircle scaled 77 shifted c;
  spacing:=if k=0: 9 else: 6 fi;
  hatch:=image(
    for x=-90 step spacing until 90:
      draw ((x,-55)--(x+110,55)) shifted c
        withpen pencircle scaled .7 withcolor Blue;
      if k=2:
        draw ((x,55)--(x+110,-55)) shifted c
          withpen pencircle scaled .7 withcolor Blue;
      fi;
    endfor;
  );
  clip hatch to disc; draw hatch;
  draw disc withpen pencircle scaled 1.2 withcolor Blue;
endfor;
label("sparse" infont "cmr9",(60,51));
label("dense" infont "cmr9",(160,51));
label("crossed" infont "cmr9",(260,51));
% END DRAWING
label.lft("MPT-17-001" infont "cmr8",(312,210));
setbounds currentpicture to unitsquare xscaled 320 yscaled 220;
endfig;
end.