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% --- start of displayed preamble in the book ---
input metaobj
% --- end of displayed preamble in the book ---
defaultfont:="ptmr8r";
warningcheck:=0;
beginfig(1)
newPolygon.a(btex apples\strut etex,5);
newPolygon.b(btex oranges\strut etex,6);
newPolygon.c(btex bananas\strut etex,7);
newPolygon.f(btex fruits\strut etex,8);
newEllipse.d(btex potatoes\strut etex);
newDEllipse.e(btex peas\strut etex);
newDBox.v(btex vegetables\strut etex);
newPolygon.fo(btex food\strut etex,12);
newTree.fruits(f)(a,b,c)
"Lalign(left)", "hideleaves(true)",
"treemode(L)", "vsep(3mm)";
newTree.vegetables(v)(d,e)
"Ralign(center)", "hideleaves(true)",
"treemode(R)";
newTree.food(fo)(fruits,vegetables)
"hsep(1cm)";
scaleObj(food,.7);
food.c=origin;drawObj(food);
endfig;
end;
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