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-17-005.svg";
beginfig(1);
fill unitsquare xscaled 320 yscaled 220 withcolor white;
% BEGIN DRAWING
picture waves;
path swatch;
pair c;
swatch:=unitsquare xscaled 272 yscaled 150 shifted (24,34);
waves:=image(
  for row=7 downto -1:
    for col=-1 upto 4:
      c:=(24+80col+40(row mod 2),34+24row);
      fill (halfcircle scaled 80--cycle) shifted c withcolor Wash;
      for diameter=20 step 20 until 80:
        draw halfcircle scaled diameter shifted c
          withpen pencircle scaled 1.2 withcolor Blue;
      endfor;
    endfor;
  endfor;
);
clip waves to swatch; draw waves;
draw swatch withpen pencircle scaled 1.3 withcolor Blue;
% END DRAWING
label.lft("MPT-17-005" infont "cmr8",(312,210));
setbounds currentpicture to unitsquare xscaled 320 yscaled 220;
endfig;
end.