xsize=15
ysize=19

size xsize ysize

pt=0.0352777778 ! 1 postscript point

! funky LaTeX commands
begin texpreamble
    % set fonts used for text and maths to Palatino
    \usepackage{mathpazo}
    \renewcommand{\familydefault}{ppl}
    \usepackage{upgreek}
    \usepackage{siunitx}
end texpreamble

fs=12*pt  !font size

set lwidth lw
set hei fs
set texscale scale
set just tl

thescale=0.85
spinpicx=13.3*thescale
spinpicy=8*thescale

amove (xsize-spinpicx)/2-1 18.8
text \tex{(a)}
rmove 1 -spinpicy*0.8
postscript "spingrid-single.eps" spinpicx spinpicy

amove (xsize-spinpicx)/2-1 2*spinpicy+0.5
text \tex{(b)}
rmove 1 -spinpicy
postscript "spingrid-fm.eps" spinpicx spinpicy

amove (xsize-spinpicx)/2-1 1*spinpicy
text \tex{(c)}
rmove 1 -spinpicy
postscript "spingrid-afm.eps" spinpicx spinpicy