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-08-004.svg";
beginfig(1);
fill unitsquare xscaled 320 yscaled 220 withcolor white;
% BEGIN DRAWING
pair a,b,c; path na,nb,nc;
a:=(60,140); b:=(260,140); c:=(160,50);
na:=fullcircle scaled 48 shifted a;
nb:=fullcircle scaled 48 shifted b;
nc:=fullcircle scaled 48 shifted c;
for p=na,nb,nc: fill p withcolor Wash; draw p withcolor Blue; endfor
ahlength:=5;
drawarrow ((a--b) cutbefore na cutafter nb) withcolor Blue;
drawarrow ((b--c) cutbefore nb cutafter nc) withcolor Blue;
drawarrow ((c--a) cutbefore nc cutafter na) withcolor Blue;
drawarrow (60,164)..(160,195)..(260,164) withcolor Teal;
label("observe",a); label("model",b); label("test",c);
% END DRAWING
label.lft("MPT-08-004" infont "cmr8",(312,210));
setbounds currentpicture to unitsquare xscaled 320 yscaled 220;
endfig;
end.